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1. Gravity Data for the National Petroleum Reserve-Alaska [GRAVCD-npra]
This data set is part of a 2 CD-ROM set from NOAA's National Geophysical Data Center entitled Land and Marine Gravity Data - 1999 Edition. The gravity station data (53,520 records) were gathered ...


2. Long-Term Ecological Research (LTER)/HFR001: Meteorological Data [LTER_HFR001]
HFR001: Minimum temperature, maximum temperature, and 24-hour precipitation amounts are recorded daily. The Harvard Forest LTER site (HFR) is primarily Eastern deciduous forest. Research topics include: ...


3. Long-Term Ecological Research (LTER)/HFR002: Forest Inventory [LTER_HFR002]
HFR002: Three forested tracts, comprising a total of 1,200 ha, are sampled every 10-30 years. Stand boundaries are located by ground survey (1936) or aerial photography (1946 and later). Each stand ...


4. Long-Term Ecological Research (LTER)/HFR003: Tree Maps [LTER_HFR003]
HFR003: Two sites are sampled every 5-15 years: (1) 4 ha, mixed hardwoods, since 1962; (2) 0.7 ha, hemlock, since 1990. Standing trees (> 5 cm) are mapped, and species type, DBH, canopy class, and ...


5. Long-Term Ecological Research (LTER)/HFR004: Ecosystem Response to Chronic Nitrogen Additions [LTER_HFR004]
HFR004: Nitrogen is being added as ammonium nitrate at rates of 50 and 150 kg/ha-yr in oak-maple and red pine stands. Measurements include nitrogen mineralization, litter decomposition, tree growth, ...


6. Long-Term Ecological Research (LTER)/HFR005: Post Hurricane Vegetation Response [LTER_HFR005]
HFR005: Plot level regeneration following the 1938 hurricane is measured at Harvard Forest (since 1938) and at Pisgah (Winchester, New Hampshire, since 1984). Measurements include tree species, DBH, ...


7. Long-Term Ecological Research (LTER)/HFR006: Hurricane Simulation [LTER_HFR006]
HFR006: Trees will be pulled down to simulate hurricane damage in two mixed hardwood plots: (1) 0.35 ha, September 1989; (2) 0.6 ha, September 1990. In the first plot, the extent of damage, changes ...


8. Long-Term Ecological Research (LTER)/KBS003: Kellogg Biological Station Baseline Variability Study [LTER_KBS003]
LTER - Long-Term Ecological Research Program/Kellogg Biological Station (KBS) LTER/KBS003 [Summary adapted from the LTER Core Data Set Catalog]: Results from a study of spatial variability conducted ...


9. Long-Term Ecological Research (LTER)/KBS006: Distribution and Composition of Seed Bank in Crop and Successional Communities [LTER_KBS006]
LTER - Long-Term Ecological Research Program/Kellogg Biological Station (KBS) LTER/KBS006 (Summary adapted from the LTER Core Data Set Catalog): The distribution and composition of the weed seed ...


10. Long-Term Ecological Research (LTER)/KBS011: Microbial Biomass Dynamics in Crop and Successional Communities [LTER_KBS011]
LTER - Long-Term Ecological Research Program/Kellogg Biological Station (KBS) LTER/KBS011 (Summary adapted from the LTER Core Data Set Catalog): Measurements of soil microbial biomass C and N by ...


11. Long-Term Ecological Research (LTER)/KBS013: Nitrous Oxide (N2O) and CO2 Fluxes from Cropped and Early Successional Communities [LTER_KBS013]
LTER - Long-Term Ecological Research Program/Kellogg Biological Station (KBS) LTER/KBS013 (Summary adapted from the LTER Core Data Set Catalog): Results from a study of N2O and CO2 fluxes from soybean/corn ...


12. Long-Term Ecological Research (LTER)/KBS018: Kellogg Biological Station Herbarium [LTER_KBS018]
LTER - Long-Term Ecological Research Program/Kellogg Biological Station (KBS) LTER/KBS018 (Summary adapted from the LTER Core Data Set Catalog): The KBS Herbarium contains over 6,000 specimens, ...


13. Long-Term Ecological Research (LTER)/NTL001: Physical Limnology of North Temperate Lakes Primary Study Lakes [LTER_NTL001]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL001 [Summary adapted from the LTER Core Data Set Catalog]: Parameters characterizing the physical limnology of the ...


14. Long-Term Ecological Research (LTER)/NTL002: Chemical Limnology of North Temperate Lakes Primary Study Lakes [LTER_NTL002]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL002 [Summary adapted from the LTER Core Data Set Catalog]: Parameters characterizing the chemical limnology of the ...


15. Long-Term Ecological Research (LTER)/NTL003: Plankton in North Temperate Lakes Primary Study Lakes [LTER_NTL003]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL003 [Summary adapted from the LTER Core Data Set Catalog]: Planktonic data include chlorophyll a, phytoplanktonic ...


16. Long-Term Ecological Research (LTER)/NTL004: Sediment Deposition in North Temperate Lakes Primary Study Lakes [LTER_NTL004]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL004 [Summary adapted from the LTER Core Data Set Catalog]: Settling particulate matter is collected using ...


17. Long-Term Ecological Research (LTER)/NTL005: Aquatic Macroflora Composition and Biomass in Trout Lake, Wisconsin [LTER_NTL005]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL005 [Summary adapted from the LTER Core Data Set Catalog]: These data were collected to document and characterize ...


18. Long-Term Ecological Research (LTER)/NTL006: Pelagic Macroinvertebrates in North Temperate Lakes Primary Study Lakes [LTER_NTL006]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL006 [Summary adapted from the LTER Core Data Set Catalog]: Five vertical tows are done at the deepest point of each ...


19. Long-Term Ecological Research (LTER)/NTL007: Crayfish in North Temperate Lakes Primary Study Lakes [LTER_NTL007]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL007 [Summary adapted from the LTER Core Data Set Catalog]: LTER core data include catch in cylindrical traps baited ...


20. Long-Term Ecological Research (LTER)/NTL008: Benthic Macroinvertebrates in North Temperate Lakes Primary Study Lakes [LTER_NTL008]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL008 [Summary adapted from the LTER Core Data Set Catalog]: Macroinvertebrates are collected from selected shoreline ...


21. Long-Term Ecological Research (LTER)/NTL009: Fish in North Temperate Lakes Primary Study Lakes [LTER_NTL009]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL009 [Summary adapted from the LTER Core Data Set Catalog]: Data are collected annually to enable us to track the ...


22. Long-Term Ecological Research (LTER)/NTL010: Determination of Pelagic Fish Abundance in North Temperate Lakes Primary Study Lakes [LTER_NTL010]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL010 [Summary adapted from the LTER Core Data Set Catalog]: Data are collected along a set of transects in each of ...


23. Long-Term Ecological Research (LTER)/NTL011: Groundwater Flow in the Area Surrounding the North Temperate Lakes Primary Study Lakes [LTER_NTL011]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL011 [Summary adapted from the LTER Core Data Set Catalog]: Monthly head measurements from a network of ...


24. Long-Term Ecological Research (LTER)/NTL012: Chemistry of the Groundwater in the Area Surrounding the North Temperate Lakes Primary Study Lakes [LTER_NTL012]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL012 [Summary adapted from the LTER Core Data Set Catalog]: A network of 11 monitoring wells is used to characterize ...


25. Long-Term Ecological Research (LTER)/NTL013: Lake Evaporation from Sparkling Lake, Wisconsin [LTER_NTL013]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL013 [Summary adapted from the LTER Core Data Set Catalog]: Questions relating to the flux of solute elements to and ...


26. Long-Term Ecological Research (LTER)/NTL014: Meteorological Data for Trout Lake Area [LTER_NTL014]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL014 [Summary adapted from the LTER Core Data Set Catalog]: Meteorological measurements are being gathered at a site ...


27. Long-Term Ecological Research (LTER)/NTL015: Ice Duration in North Temperate Lake Primary Study Lakes [LTER_NTL015]
LTER - Long-Term Ecological Research Program/North Temperate Lakes (NTL) LTER/NTL015 [Summary adapted from the LTER Core Data Set Catalog]: Data include day of freeze-up and thaw of seven primary ...


28. Soil Survey Map of Study Area for the Forest Ecosystem Dynamics Project Spatial Data Archive [FED_SITE_SOIL]
Forest Ecosystem Dynamics (FED) Project Spatial Data Archive: Soil Survey Map for Northern Part of Study Site The Biospheric Sciences Branch (formerly Earth Resources Branch) within the Laboratory ...


29. Continuous Fields Tree Cover Project [GLCF_TREE_COVER_AVHRR]
Characterization of terrestrial vegetation from the Advanced Very High Resolution Radiometer (AVHRR) on the global to regional scale has traditionally been accomplished using classification schemes ...


30. High Resolution Lidar Digital Elevation Models and Low Resolution Shaded Relief Maps of Antarctica from USGS [ANTARCTIC_DEM]
Lidar high-resolution elevation digital elevation model data and low-resolution shaded relief maps of Antarctica are available for download from the U.S. Antarctic Resource Center. These are interim ...


31. The Influenza Sequence Database - LANL_FLU_DB [LANL_FLU_DB]
[From ISD home page: "http://www.flu.lanl.gov/"] The Influenza Sequence Database - LANL_FLU_DB (ISD) contains all published influenza viral sequences, which have been curated by domain experts to ...


32. CO2 Emission Estimates from Fossil-Fuel Burning, Hydraulic Cement Production, and Gas Flaring for 1995 on a 1 Degree Grid, CDIAC/NDP058A [CDIAC_NDP058A]
The Numeric Data Package (NDP-058A) presents the gridded (one degree latitude by one degree longitude) summed emissions from fossil-fuel burning, hydraulic cement production and gas flaring for 1995. ...


33. 18 Second Gridded Digital Elevation Model (DEM), Australian Survey and Land Information Group (AUSLIG) [auslig_m9]
The AUSLIG 18 Second Gridded DEM data are based on spot data from the TOPO-250K Relief data set and covers areas of Australia, including: Queensland New South Wales ...


34. 1988 Brooks Range Seismic Survey [PASSCAL_BROOKS]
This survey was designed to gather a reversed wide-angle reflection/refraction profile in the northern Brooks Range. Data are useful in the investigation of the crustal structure of the Brooks Range ...


35. 1989 Archean-Proterozoic transition Experiment [PASSCAL_APT]
Twenty-five 3-component stations installed along a 1500 km transect from western Ontario to eastern Wyoming recorded a total of 324 teleseismic and regional events with body wave magnitude greater ...


36. 1989 Greenland Seismic Survey [PASSCAL_GREENLAND_SURVEY]
The 1989 seismic survey was part of a large cooperative project mounted in Greenland to carry out geophysical studies of the Earth's oldest crust. The targets included possible oceanic crust under ...


37. 1990 Beaufort Ambient Seismo-Acoustics Beneath Ice Cover [PASSCAL_BASIC]
This experiment was part of an ONR (Office of Naval Research) sponsored effort to look at seismic noise propogating under an ice sheet. A set of 1 Hz and a set of 5 second seismometers were recorded ...


38. 1990 Census Transportation Planning Package (CTPP) CD-ROM: Bureau of Transportation Statistics (BTS) [BTS_CTPP]
The 1990 Census Transportation Planning Package (CTPP) CD-ROM may be ordered via the World Wide Web from the Bureau of Transportation Statistics Web Server: "http://www.bts.gov' The following information ...


39. 1990 Census Transportation Planning Package (CTPP)- Urban Element CD-ROM [1990_BTS_CTPP_CD]
The Census Transportation Planning Package (CTPP)- Urban Element CD-ROMs have been released by the Bureau of Transportation Statistics (BTS, &http://www.bts.gov/&) of the U.S. Department of Transportation ...


40. 1990 EDGE Experiment off of Virginia Coast [PASSCAL_EDGE_EXPT_VA]
The EDGE seismic experiment shot on the M/V GECO Searcher in September 1990 recorded seismic reflection profiles to 16 sec. in a 560 km grid off the coast of Virginia. Shots of a 10,000 cu. inch, ...


41. 1990 PASSCAL/USGS/GSC Brooks Range Seismic Survey [PASSCAL_BROOKS2]
In the summer of 1990, the U.S. Geological Survey, Rice University and the Geological Survey of Canada conducted a seismic experiment across the Brooks Range, Alaska. The goal of the experiment ...


42. 1991 Fogo Island On-Shore Off-Shore Experiment [PASSCAL_FOGO]
The data were acquired during July 1991 in conjunction with LITHOPROBE East. Three marine airgun lines were shot on the northeast Newfoundland shelf and recorded on Fogo Island off the north coast ...


43. 1994 Krafla Undershooting Experiment [PASSCAL_KRAFLA]
Thirty-eight instruments were used to shoot two perpendicular refraction profiles across the Krafla central volcano. The North/South profile is 20 km long while the East/West profile is 55 km long. ...


44. 1997 Seismic Hazard Assessment, Onondaga County, New York [NYSM_SEISMIC_HAZARD]
From the SEISMIC HAZARD ASSESSMENT, ONONDAGA COUNTY, NEW YORK Authors: Donald H. Cadwell, Ph.D. and Gary N. Nottis ABSTRACT Seismic shear-wave data collection is expanding ...


45. 40Ar/39Ar Dating of the Eruptive History of Mount Erebus, Antarctica: Summit Flows and Caldera Collapse [NMGRL_EREBUS_FLOWS]
This data set consists of 40Ar/39Ar furnace step-heating data on eruptive samples from Mount Erebus, Antarctica. The data was gathered to better understand the volcano's eruptive history, specifically, ...


46. 40Ar/39Ar Dating of the Eruptive History of Mount Erebus, Antarctica: Volcano Evolution [NMGRL_EREBUS_EVOLUTION]
This data set consists of 40Ar/39Ar analytical data and loction on samples from Mount Erebus, Antarctica. The data was gathered to better understand the volcano's evolution collapse and summit ...


47. 8 Kilometer Land Cover Product from the University of Maryland [GLCF_GLC_8km]   CHILD METADATA
This summary is adapted from the Eight Kilometer Global Land Cover Project Document-Data Set Description web page, which may be found at the following URL: "http://glcf.umiacs.umd.edu/data/landcover/data.shtml". ...


48. A Coastal Hazards Data Base for the U.S. Gulf Coast, CDIAC NDP-043B [CDIAC_NDP43B]
This Numeric Data Package (NDP) contains a digital database that describes the U.S. Gulf Coast. The database integrates point, line, and polygon data for the U.S. Gulf Coast into 0.25 latitude by ...


49. A Coastal Hazards Data Base for the U.S. West Coast, CDIAC/NDP043C [CDIAC_NDP043C]
[Adapted from the online documentation] The Numeric Data Package (NDP-043C) consists of a digital data base that may be used to identify coastlines along the U.S. West Coast that are at risk to sea-level ...


50. A Computer-Based Atlas of Global Instrumental Climate Data, CDIAC/DB-1003 [CLIMATE_IMAGE_ATLAS]
Color-shaded and contoured images of global gridded instrumental data have been produced as a computer-based atlas and is available via ftp and as a CD-ROM. The data consists of images ...


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