TRMM and Other Sources Rainfall Product (TRMM Product 3B43)
Entry ID:
GES_DISC_TRMM_3B43_V7
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Summary
Abstract:
The Tropical Rainfall Measuring Mission (TRMM) is a joint U.S.-Japan satellite mission to monitor tropical and subtropical precipitation and to estimate its associated latent heating. TRMM was successfully launched on November 27, at 4:27 PM (EST) from the Tanegashima Space Center in Japan. The rainfall measuring instruments on the TRMM satellite include the Precipitation Radar (PR), an ... electronically scanning radar operating at 13.8 GHz; TRMM Microwave Image (TMI), a nine-channel passive microwave radiometer; and Visible and Infrared Scanner (VIRS), a five-channel visible/infrared radiometer. The purpose of 3B43 algorithm is to produce the best-estimate precipitation rate (in mm/hr) and root-mean-square (RMS) precipitation-error estimates from TRMM and other data sources. The algorithm combines multiple independent precipitation estimates from the TMI, Advanced Microwave Scanning Radiometer for Earth Observing Systems (AMSR-E), Special Sensor Microwave Imager (SSMI), Special Sensor Microwave Imager/Sounder (SSMIS), Advanced Microwave Sounding Unit (AMSU), Microwave Humidity Sounder (MHS), microwave-adjusted merged geo-infrared (IR), and monthly accumulated Global Precipitation Climatology Centre (GPCC) rain gauge analysis. All input microwave data are intercalibrated to TRMM Combined Instrument (TCI) precipitation estimates (TRMM product 3B31); the iIR estimates are computed using monthly matched microwave-IR histogram matching; then missing data in individual 3-hourly merged-microwave fields are filled with the IR estimates. After the preprocessing is complete, the 3-hourly multi-satellite fields are summed for the month and combined with the monthly gauge analysis using inverse-error-variance weighting to form the best-estimate precipitation rate and RMS precipitation-error estimates. These gridded estimates have a calendar month temporal resolution and a 0.25-degree by 0.25-degree spatial resolution. Spatial coverage extends from 50 degrees south to 50 degrees north latitude. The data are stored in the Hierarchical Data Format (HDF), which includes both core and product specific metadata. The file size is about 5 MB. Important Changes: After the initial Version 7 processing, it was discovered that AMSU data were neglected in the first retrospective processing of both the Version 7 TMPA (3B42/43) and TMPA-RT (3B40/41/42RT) data series, which created an important shortcoming in the inventory of microwave precipitation estimates used during 2000-2010. In addition, a coding error in the TMPA-RT replaced the occasional missings in product 3B42RT with zeros. Accordingly, both product series were retrospectively processed again. The main impact in both series was to improve the fine-scale patterns of precipitation during 2000-2010 (and for 3B4xRT into late 2012). Averages over progressively larger time/space scales should be progressively less affected. [This is the reason the lack of AMSU went undiscovered; the merger system copes very reasonably with missing data.] Nonetheless, users are urged to switch to the newest Version 7 data sets. The newest runs may be identified by the file names: V.7 3B42/43 suffix of "7A.HDF" for January 2000 - September 2010; V.7 3B4xRT suffix of "7R2.bin" for 1 March 2000 - 6 November 2012. It continues to be the case that the Version 7 3B42/43 is some 4% higher than the calibrating data set (2B31) over oceans, which is still under study. However, the initial conclusion is that it results from the sampling mismatch between the (very sparse) TCI and the (much denser) microwave constellation. At the large scales this offset seems to be nearly a proportional constant. TRMM Product FAQ: http://disc.sci.gsfc.nasa.gov/additional/faq/precipitation_faq.shtml Sign up to receive announcements on the latest data information, tools and services that become available, data announcements from PPS and more! Contact the GES DISC User Services (gsfc-help-disc@lists.nasa.gov) to be added to the list.
Related URL
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Description:
Data access URL for TRMM product 3B43
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Multimedia Sample
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Caption:
3B43 TRMM and others combined surface rainfall, 2005/10/01-2005/11/01
Description:
Sample image of the TRMM 3B43 and others combined surface rainfall
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Geographic Coverage
(Click for Interactive Map)
Spatial coordinates
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N: 50.0
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S: -50.0
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E: 180.0
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W: -180.0
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Data Resolution
Latitude Resolution:
0.25 degree
Longitude Resolution:
0.25 degree
Horizontal Resolution Range:
10 km - < 50 km or approximately .09 degree - < .5 degree
Vertical Resolution:
Surface
Temporal Resolution:
Monthly
Temporal Resolution Range:
Monthly - < Annual
Quality
LOGICAL CONSISTENCY REPORT: Datasets were visually compared internally and externally (with other overlapping datasets and satellite images and maps) in ESRI ArcGIS for identification of anomalous elevations or data inconsistencies. Where elevation inconsistencies occurred, the most recent and/or highest resolution data set was selected for use in that region. Elevations in the older and/or ... lower-resolution datasets were deleted prior to building the DEM. COMPLETENESS REPORT: NGDC made every effort to obtain all available digital topographic and bathymetric datasets in the region for use in building the DEM. HORIZONTAL POSITIONAL ACCURACY REPORT: The horizontal accuracy of bathymetric and topographic features in the DEM is dependent upon cell size and the accuracy of the input datasets used to determine corresponding cell values. Positional accuracy of input topographic datasets limits accuracy of corresponding cell values in DEM. USGS SRTM DEM: 15 to 30 meters. DEM cell-value relative-contribution factors: NED: 100, SRTM: 10. Bathymetry: several hundred meters. Positional accuracy of input bathymetric datasets limits accuracy of corresponding cell values in DEM. NOS, NOS hydrographic LiDAR and USACE surveys (primarily in dredged shipping channels): about 1 meter. Early 20th-century NOS hydrographic soundings are limited by sparseness of deep-water soundings, and potentially large position accuracy of pre-satellite (i.e., GPS) navigation: tens to several hundreds of meters. Morphologic change in inland rivers and along the coast also degrades the positional accuracy of NOS soundings. Where present, hydrographic LiDAR and USACE survey data supplant NOS hydrographic sounding data values in the DEM. DEM cell-value relative-contribution factors: ENC soundings: 100, USACE surveys: 100, NOS hydrographic soundings: 10, NGDC multibeam sonar surveys: 10, Trackline soundings: 0.1. VERTICAL POSITIONAL ACCURACY REPORT: The vertical accuracy of bathymetric and topographic features in the DEM is dependent upon the accuracy of the input datasets used to determine corresponding cell values. Topography: 10 to 15 meters. Vertical accuracy of input topographic datasets limits accuracy of corresponding cells in DEM. USGS NED DEM: 7 and 15 meters. SRTM DEM: 16 meters. DEM cell relative-contribution factors: SRTM: 10 NED: 100. Bathymetry: 2 meters to 5% of water depth. Vertical accuracy of input bathymetric datasets limits accuracy of corresponding cells in DEM. GPS-navigated NOS, NOS hydrographic LiDAR and USACE surveys (primarily in dredged shipping channels): about 0.1 meter. Early 20th-century NOS hydrographic soundings are limited by sparseness of deep-water soundings, and potentially large position accuracy of pre-satellite (i.e., GPS) navigation: several meters. Where present, USACE survey data supersede NOS hydrographic sounding data values in DEM. DEM cell-value relative-contribution factors: ENC soundings: 100, USACE surveys: 100, NOS hydrographic soundings: 10, NGDC multibeam sonar surveys: 10, Trackline soundings: 0.1. Gridding interpolation to determine cell values between sparse NOS hydrographic soundings in deep water degrades the vertical accuracy of deep-water elevations. LINEAGE/PROCESS STEP: PROCESS DESCRIPTION: All datasets obtained by NGDC were converted to common horizontal and vertical datums of WGS84 geographic and Mean Higher High Water, respectively, using FME. They were also converted to common file format, ESRI point shapefiles, for visualization and inspection. LINEAGE/PROCESS STEP: PROCESS DESCRIPTION: Datasets were visually inspected with ArcGIS for identification and editing of data anomalies. Datasets were then compared with overlapping datasets to ensure data consistency. LINEAGE/PROCESS STEP: PROCESS DESCRIPTION: xyz files of the bathymetric data were surfaced using GMT's 'surface' tool onto a 8/3 arc-second grid that interpolated to fill empty cells. Points extracted every 10 meters along the coastline were also included to ensure that the bathymetric grid reached zero at the coast. The resulting Arc ASCII grid was imported into ArcGIS and clipped to the coastline to remove values over land. LINEAGE/PROCESS STEP: PROCESS DESCRIPTION: xyz files for each input dataset were gridded using MB-System's 'mbgrid' tool, which utilizes a high-tension spline interpolation method to fill grid cells with no input elevation values. Preferential weighting was given to more recent, higher-accuracy datasets. Gridding was performed with a 5% data buffer. The grid was imported in ArcGIS to create the final DEM. LINEAGE/PROCESS STEP: PROCESS DESCRIPTION: The DEM was quantitatively evaluated by comparing with source datasets. It was visually evaluated by converting to UTM-zone coordinates (units of meters horizontally and vertically) and then creating a slope grid to identify gridding artifacts in the DEM. PROCESS DATE: 20090115 PROCESS DATE: 20090129 PROCESS DATE: 20090212 PROCESS DATE: 20090226 PROCESS DATE: 20090312 LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . TYPE OF SOURCE MEDIA: online . SOURCE TIME PERIOD OF CONTENT/BEGINNING TIME: 1896 . SOURCE TIME PERIOD OF CONTENT/BEGINNING TIME: 1999 . SOURCE TIME PERIOD OF CONTENT/BEGINNING TIME: 1913 . SOURCE TIME PERIOD OF CONTENT/ENDING TIME: 2002 . SOURCE TIME PERIOD OF CONTENT/ENDING TIME: 2004 . SOURCE TIME PERIOD OF CONTENT/ENDING TIME: 1991 . SOURCE CURRENTNESS REFERENCE: ground condition . SOURCE CITATION ABBREVIATION: NOS Hydrographic Surveys . SOURCE CONTRIBUTION: hydrographic surveys downloaded from web site. LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . TYPE OF SOURCE MEDIA: online . SOURCE TIME PERIOD OF CONTENT/BEGINNING TIME: 1896 . SOURCE TIME PERIOD OF CONTENT/BEGINNING TIME: 1999 . SOURCE TIME PERIOD OF CONTENT/BEGINNING TIME: 1913 . SOURCE TIME PERIOD OF CONTENT/ENDING TIME: 2002 . SOURCE TIME PERIOD OF CONTENT/ENDING TIME: 2004 . SOURCE TIME PERIOD OF CONTENT/ENDING TIME: 1991 . SOURCE CURRENTNESS REFERENCE: publication date . SOURCE CITATION ABBREVIATION: ENCs . SOURCE CONTRIBUTION: downloaded from web site. LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . TYPE OF SOURCE MEDIA: online . SOURCE TIME PERIOD OF CONTENT/BEGINNING TIME: 1896 . SOURCE TIME PERIOD OF CONTENT/BEGINNING TIME: 1999 . SOURCE TIME PERIOD OF CONTENT/BEGINNING TIME: 1913 . SOURCE TIME PERIOD OF CONTENT/ENDING TIME: 2002 . SOURCE TIME PERIOD OF CONTENT/ENDING TIME: 2004 . SOURCE TIME PERIOD OF CONTENT/ENDING TIME: 1991 . SOURCE CURRENTNESS REFERENCE: ground condition . SOURCE CITATION ABBREVIATION: NGDC Multibeam Surveys . SOURCE CONTRIBUTION: multibeam surveys downloaded from web site. LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . TYPE OF SOURCE MEDIA: online . SOURCE TIME PERIOD OF CONTENT/BEGINNING TIME: 1896 . SOURCE TIME PERIOD OF CONTENT/BEGINNING TIME: 1999 . SOURCE TIME PERIOD OF CONTENT/BEGINNING TIME: 1913 . SOURCE TIME PERIOD OF CONTENT/ENDING TIME: 2002 . SOURCE TIME PERIOD OF CONTENT/ENDING TIME: 2004 . SOURCE TIME PERIOD OF CONTENT/ENDING TIME: 1991 . SOURCE CURRENTNESS REFERENCE: ground condition . SOURCE CITATION ABBREVIATION: NGDC Trackline Surveys . SOURCE CONTRIBUTION: Trackline surveys downloaded from web site. LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . TYPE OF SOURCE MEDIA: online . SOURCE TIME PERIOD OF CONTENT/BEGINNING TIME: 1896 . SOURCE TIME PERIOD OF CONTENT/BEGINNING TIME: 1999 . SOURCE TIME PERIOD OF CONTENT/BEGINNING TIME: 1913 . SOURCE TIME PERIOD OF CONTENT/ENDING TIME: 2002 . SOURCE TIME PERIOD OF CONTENT/ENDING TIME: 2004 . SOURCE TIME PERIOD OF CONTENT/ENDING TIME: 1991 . SOURCE CURRENTNESS REFERENCE: publication date . SOURCE CITATION ABBREVIATION: USGS NED topography . SOURCE CONTRIBUTION: gridded topographic data LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NOS/OCS > Office of Coast Survey, National Ocean Service, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce . LINEAGE/SOURCE INFORMATION: ORIGINATOR: DOI/USGS > U.S. Geological Survey, Department of the Interior . LINEAGE/SOURCE INFORMATION: ORIGINATOR: NASA > National Aeronautics and Space Administration . TITLE: NOS Hydrographic Surveys . TITLE: Electronic Navigational Charts . TITLE: NGDC Multibeam Surveys . TITLE: NGDC Trackline Surveys . TITLE: USGS NED topography . TITLE: Shuttle Radar Topography Mission (SRTM) . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . PUBLICATION DATE: 2009 . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/hydro.html . ONLINE LINKAGE: http://www.nauticalcharts.noaa.gov/mcd/enc/index.htm . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html . ONLINE LINKAGE: http://www.ngdc.noaa.gov/mgg/bathymetry/geodas/trackline.html . ONLINE LINKAGE: http://ned.usgs.gov/ . ONLINE LINKAGE: http://srtm.usgs.gov/ . TYPE OF SOURCE MEDIA: on web . SOURCE TIME PERIOD OF CONTENT/BEGINNING TIME: 1896 . SOURCE TIME PERIOD OF CONTENT/BEGINNING TIME: 1999 . SOURCE TIME PERIOD OF CONTENT/BEGINNING TIME: 1913 . SOURCE TIME PERIOD OF CONTENT/ENDING TIME: 2002 . SOURCE TIME PERIOD OF CONTENT/ENDING TIME: 2004 . SOURCE TIME PERIOD OF CONTENT/ENDING TIME: 1991 . SOURCE CURRENTNESS REFERENCE: ground condition . SOURCE CITATION ABBREVIATION: NASA SRTM topography . SOURCE CONTRIBUTION: gridded topographic data downloaded from web site. 
Access Constraints
ACCESS CONSTRAINTS: None. DISTRIBUTION LIABILITY: While every effort has been made to ensure that these data are accurate and reliable within the limits of the current state of the art, NOAA cannot assume liability for any damages caused by any errors or omissions in the data, nor as a result of the failure of the data to function on a particular system. NOAA makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty.
Use Constraints
Not to be used for navigational purposes.
Data Set Progress
COMPLETE
Distribution
Distribution Size:
25561
Distribution Format:
netCDF 1
Fees:
None
Personnel
Role:
TECHNICAL CONTACT
Role:
DIF AUTHOR
Phone:
303-497-6505
Fax:
303-497-6513
Email:
Barry.Eakins at noaa.gov
Contact Address:
NOAA/NESDIS/NGDC
325 Broadway, E/GC3
City:
Boulder
Province or State:
Colorado
Postal Code:
80305-3328
Country:
USA
Creation and Review Dates
DIF Creation Date:
2011-08-26
Last DIF Revision Date:
2011-12-29
Future DIF Review Date:
2012-08-26
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