Global Change Master Directory gsfc-gcmduso@mail.nasa.gov 50 2013-06-19T06:28:56Z http://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 1594 0 http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_2500 77.9,-68.6,78.0,-68.562.75,-67.6,62.85,-67.5 2004-12-01T00:00:00Z T00:00:00Z 2013-06-18T04:00:00Z

Metadata record for data from ASAC Project 2500 See the link below for public details on this project. Public Weekly fast-ice and snow thicknesses from an ongoing long-term time-series together ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]PODAAC-SEABY-ANBIM 180.0,-89.6,180.0,-70.0 2003-04-10T00:00:00Z 2003-10-24T00:00:00Z 2013-06-16T04:00:00Z

This dataset contains GIF images of polar-stereographic-gridded, daily averaged Sigma-0 retrievals over the Antarctic Polar from the SeaWinds L1B retrievals, which are generated using a Scatterometer ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]PODAAC-SEABY-ANBMF -180.0,-89.6,180.0,-70.0 2003-04-10T00:00:00Z 2003-10-24T00:00:00Z 2013-06-16T04:00:00Z

This dataset contains polar-stereographic-gridded Sigma-0 retrieval statistics over the Antarctic Polar region from the SeaWinds L1B retrievals, which are generated using a Scatterometer Image Reconstruction ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]PODAAC-SEABY-ANBML -180.0,-89.6,180.0,-70.0 2003-04-10T00:00:00Z 2003-10-24T00:00:00Z 2013-06-16T04:00:00Z

This dataset polar-stereographic-gridded, daily averaged Sigma-0 retrievals over the Antarctic Polar region from the SeaWinds L1B retrievals, which are generated using a Scatterometer Image Reconstruction ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]PODAAC-SEABY-ANILT -180.0,-89.6,180.0,-70.0 2003-04-10T00:00:00Z 2003-10-24T00:00:00Z 2013-06-16T04:00:00Z

This dataset contains GIF images of polar-stereographic-gridded Sigma-0 retrievals over the Antarctic Polar region from SeaWinds on ADEOS-II subsetted and averaged twice daily at the local time-of-day ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]PODAAC-SEABY-ANBLT -180.0,-89.6,180.0,-70.0 2003-04-10T00:00:00Z 2003-10-24T00:00:00Z 2013-06-16T04:00:00Z

This dataset contains polar-stereographic-gridded Sigma-0 retrievals over the Antarctic Polar region from SeaWinds on ADEOS-II retrievals subsetted and averaged twice daily at the local time-of-day ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]org.polarresearch-549 0.0,-90.0,56.0,-70.0 2007-11-15T00:00:00Z 2009-02-21T00:00:00Z 2013-06-12T04:00:00Z

Complete, kinematic GPS profile along the route of the Norwegian-U.S. IPY traverse of East Antarctica, from Troll Station to 'Camp Winter' at -86,8S, 54,4E, from the South Pole (-90, 0) back to Troll ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MOD10L2C -180.0,-90.0,180.0,90.0 2000-02-24T00:00:00Z T00:00:00Z 2013-06-10T04:00:00Z

The MODIS/Terra Coarse Snow Cover 5-Min L2 Swath 5km (MOD10L2C) data set contains snow cover and Quality Assessment (QA) data, latitudes and longitudes in compressed Hierarchical Data Format-Earth ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MOD10L2C_C5_NRT -180.0,-90.0,180.0,90.0 2013-06-12T00:00:00Z 2013-06-19T00:00:00Z 2013-06-10T04:00:00Z

The MODIS/Terra Near Real Time (NRT) Coarse Snow Cover 5-Min L2 Swath 5km (MOD10L2C) data set contains snow cover and Quality Assessment (QA) data, latitudes and longitudes in compressed Hierarchical ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MOD10_L2_C5_NRT -180.0,-90.0,180.0,90.0 2013-06-11T00:00:00Z 2013-06-18T00:00:00Z 2013-06-10T04:00:00Z

MODIS/Terra Near Real Time (NRT) Snow Cover 5-Min L2 Swath 500m (MOD10_L2) contains snow cover and quality assurance (QA) data, latitudes, and longitudes in HDF-EOS format, along with corresponding ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MOD10_L2 -180.0,-90.0,180.0,90.0 2000-02-24T00:00:00Z 2006-12-31T00:00:00Z 2013-06-10T04:00:00Z

MODIS/Terra Snow Cover 5-Min L2 Swath 500m (MOD10_L2) contains snow cover and quality assurance (QA) data, latitudes, and longitudes in HDF-EOS format, along with corresponding metadata. Latitude ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]SIPEX_II_Ice_Floe_Survey 113.0,-66.0,147.0,-42.0 2012-09-26T00:00:00Z 2012-11-08T00:00:00Z 2013-05-08T04:00:00Z

These data were collected to provide a spatial context for activities on SIPEX-2. Please see the document 'SIPEX II ice floe surveying report' for more detail. Files generated and stored in this dataset ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSF-ANT08-39053 -89.866,-77.583,165.7,-67.05 2010-01-01T00:00:00Z 2012-12-31T00:00:00Z 2013-05-06T04:00:00Z

Several aspect of the seasonal melting and reformation cycle of Antarctic sea ice appear to be divergent from those occurring in the Arctic. This is most clearly demonstrated by the dramatic diminishing ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]joughin_0631973 -124.8,-80.8,-86.7,-73.9 1980-01-01T00:00:00Z 2009-12-31T00:00:00Z 2013-05-02T04:00:00Z

This data set includes radar-derived annual accumulation rates over Thwaites Glacier between 1980 and 2009 and a gridded climatology (1985-2009) of snow accumulation over Pine Island and Thwaites ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]KPDC_AEBASSC_2011 2011-07-10T00:00:00Z 2011-11-01T00:00:00Z 2013-05-01T04:00:00Z

Understanding snowmelt movement to the watershed is crucial for both climate change and hydrological studies because the snowmelt is a significant component of groundwater and surface runoff in temperature ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]KPDC_EIWPFG_KGI_2006 2013-05-01T04:00:00Z

The distribution of small fractures and water content of the Fourcade glacier on King George Island, Antarctica, was investi- gated in November 2006 and December 2007 by two ground-based (470- and ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]KPDC_GPRIGL_ANTARCTIC_1997 2013-05-01T04:00:00Z

With the aim of global environmental monitoring we carried out GPR (Ground Penetrating Radar) surveys at the Livingston Island in Antarctica. Research area is near the Mt. Charra (340 m) in Livingston ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]KPDC_HBGTR_ANTARCTIC_2006 2006-11-01T00:00:00Z 2006-11-30T00:00:00Z 2013-05-01T04:00:00Z

To determine subglacial topography and internal features of the Fourcade Glacier on King George Island in Antarctica, helicopter-borne and ground-towed ground-penetrating radar (GPR) data were recorded ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]KPDC_STGEMC_KSJ_2006 2013-05-01T04:00:00Z

Glacier changes in Marian Cove, King George Island (KGI) were investigated on the basis of observed and modeled data. Air temperature observations for the past 51 years recorded at the Russian Bellingshausen ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]KPDC_DMMSIES_2012 2012-06-01T00:00:00Z 2012-10-26T00:00:00Z 2013-04-19T04:00:00Z

Chemical and isotopic variations of snowmelt provide important clues for understanding snowmelt processes and the timing and contribution of snowmelt to catchment or watershed in spring. The newly ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]KPDC_VNMST_2012 2012-08-01T00:00:00Z 2012-11-13T00:00:00Z 2013-04-19T04:00:00Z

Snowmelt from seasonal snow covers can be significant in many environments of northern and alpine areas. Water flow and chemical transport resulting from snowmelt have been studied for an understanding ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GB-NERC-BAS-PDC-00526 2013-04-05T04:00:00Z

LTMS will build on and extend BAS's past collection of long-term time-series of key environmental variables. Examples include the ongoing collection of the temperature record which shows that the ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GB-NERC-BAS-PDC-00510 2013-04-05T04:00:00Z

To determine how the climate of the Antarctic Peninsula during the Holocene (last 10,000 years) is related to global scale patterns and trends, in order to understand the significance of current environmental ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ANARE-98 77.962,-68.581,78.062,-68.542 1993-09-30T00:00:00Z 1994-03-31T00:00:00Z 2013-04-05T04:00:00Z

From the abstract of the referenced publication: Five possible runway sites have been proposed within 4 km of Davis on the northwestern part of Broad Peninsula, Vestfold Hills. Most are on on thin, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]MOD29E1DV5 -180.0,-90.0,180.0,90.0 2000-02-24T00:00:00Z T00:00:00Z 2013-04-04T04:00:00Z

MODIS/Terra Sea Ice Extent and IST Daily L3 Global 4km EASE-Grid Day (MOD29E1D) data set contains fields for sea ice by reflectance and Ice Surface Temperature (IST). Each data granule covers the ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]bell_0636883 20.0,-90.0,50.0,-75.0 2008-12-01T00:00:00Z 2009-01-20T00:00:00Z 2013-04-04T04:00:00Z

This award support a project to study the role that subglacial water plays in the overall stability of major ice sheets.

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GB-NERC-BAS-PDC-00518 2013-03-29T04:00:00Z

GEACEP will investigate the relationship between the evolution of Antarctic ice and the changing global environment over the last ~30 million years (My). We will do so through collecting and combining ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GB-NERC-BAS-AEDC-00521 2013-03-29T04:00:00Z

Current predictions of sea level rise do not correctly quantify contributions from Antarctica. Some sectors of the Antarctic ice sheet are showing considerable rates of change; are these changes a ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]gis283 77.45,-68.97,78.4,-68.31110.14,-66.57,110.71,-65.97 2003-01-13T00:00:00Z 2012-09-11T00:00:00Z 2013-03-26T04:00:00Z

The Australian Antarctic Data Centre digitises on-screen fast ice features from satellite images as required for Australian Antarctic division scientists Dr Jonny Stark and Dr Martin Riddle and will ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]gis309 58.01,-74.591,146.34,-57.11 2009-12-16T00:00:00Z 2011-02-20T00:00:00Z 2013-03-26T04:00:00Z

The Australian Antarctic Data Centre digitises on-screen topographic features from satellite images as required for various projects and applications. Features digitised include the ice shelves, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GB-NERC-BAS-PDC-00508 2013-03-25T04:00:00Z

We will conduct year-round atmospheric chemistry measurements at Halley of key oxidants (OH, HO2, NO, O3, CO, Js), to study the role of the snowpack in determining the oxidant system. This will be ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_3026_SIPEX 116.83,-65.55,127.95,-64.22 2007-09-11T00:00:00Z 2007-10-07T00:00:00Z 2013-03-25T04:00:00Z

This work was completed as part of the SIPEX - Sea Ice Physics and Ecosystem eXperiment - voyage. Adapted from the SPIEX website: During SIPEX we investigated the biogeochemistry of iron (Fe), including ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_3026_Casey 110.6,-66.3,110.7,-66.2 2009-11-10T00:00:00Z 2009-12-02T00:00:00Z 2013-03-25T04:00:00Z

Public Description of the Project This project will assess the importance of the trace micro-nutrient element iron to Antarctic sea-ice algal communities during the International Polar Year (2007-2009). ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]GB-NERC-BAS-PDC-00511 2013-03-22T04:00:00Z

COMPLEXITY will apply new mathematical methods to data sets drawn from across the GSAC programme to reveal previously hidden underlying patterns and laws, and to develop new mathematical models to ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]SIPEX_II_Diurnal_Snow 120.1128,-64.4443,120.1128,-64.4443121.0323,-64.9519,121.0323,-64.9519120.8228,-65.131,120.8228,-65.131120.0175,-65.2558,120.0175,-65.2558 2012-09-27T00:00:00Z 2012-09-28T00:00:00Z 2012-10-03T00:00:00Z 2012-10-04T00:00:00Z 2012-10-06T00:00:00Z 2012-10-08T00:00:00Z 2012-10-13T00:00:00Z 2012-10-14T00:00:00Z 2013-03-12T04:00:00Z

Motivation: One of the characteristics of this voyage is that we have long ice stations which last for a few days. Taking this opportunity, we decided to examine the diurnal change of snow properties ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]SIPEX_II_Ice_Snowpits 120.1128,-64.4443,120.1128,-64.4443121.0323,-64.9519,121.0323,-64.9519120.8228,-65.131,120.8228,-65.131120.0175,-65.2558,120.0175,-65.2558119.0,-65.25,119.0,-65.25 2012-09-27T00:00:00Z 2012-09-28T00:00:00Z 2012-10-03T00:00:00Z 2012-10-04T00:00:00Z 2012-10-06T00:00:00Z 2012-10-08T00:00:00Z 2012-10-13T00:00:00Z 2012-10-14T00:00:00Z 2012-10-19T00:00:00Z 2012-10-23T00:00:00Z 2013-03-12T04:00:00Z

This dataset contains routine measurements of snow and ice thickness, and snow-ice interface temperature, at 1m intervals along standard transects; snow property characterisation in snow pits measured ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]SIPEX_II_Snow_Buoys 116.4,-64.7,120.1,-64.4 2012-10-13T00:00:00Z 2012-10-29T00:00:00Z 2013-03-08T05:00:00Z

This document describes the deployment of five Ice Mass Balance Buoys (IMBs) and two automatic weather stations. These were primarily deployed on floes 2012103 and 20121029, as well as on helicopter ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]SIPEX_II_Underway_Snowfall 113.0,-65.0,147.0,-42.0 2012-09-17T00:00:00Z 2012-11-09T00:00:00Z 2013-03-07T05:00:00Z

Matlab file containing raw data snowfall data collected aboard the RV Aurora Australis using Campbell Scientific dataloggers. Two Wenglor brand YHO3NCT8 photoelectric sensors were mounted on the ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]SIPEX_II_Snowpits 120.8998,-64.9586,121.0287,-64.8769 2012-10-04T00:00:00Z 2012-11-04T00:00:00Z 2013-03-05T05:00:00Z

In addition to snow pits dug by other groups, several snow pits were dug at IMB/AWS deployment sites and at snow mast sites. Dates, locations, personnel, and purpose are listed in Table 1. Many ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]SIPEX_II_RAPPLS 113.0,-66.5,123.0,-63.5 2012-09-25T00:00:00Z 2012-11-06T00:00:00Z 2013-03-01T05:00:00Z

This dataset contains the data collected during the RAPPLS (Radar, Aerial Photography, Pyrometer, and Laser Scanning system) flights that were undertaken as a part of the SIPEX II (Sea Ice Physics ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]SIPEX_II_Phytoplankton 119.9,-63.88,119.9,-63.88120.1128,-64.4443,120.1128,-64.4443121.0323,-64.9519,121.0323,-64.9519120.8228,-65.131,120.8228,-65.131120.22,-65.23,120.22,-65.23120.0175,-65.2558,120.0175,-65.2558119.0,-65.25,119.0,-65.25116.85,-64.87,116.85,-64.87 2012-09-26T00:00:00Z 2012-11-10T00:00:00Z 2013-03-01T05:00:00Z

Five (out of a possible 7) ice stations were sampled for the Main Biology Site, collected from -63.88S 119.9E off East Antarctic in September to November 2012 during the Sea Ice Physics and Ecosystems ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]AAD_Ant_LG-AIS_vel_strain 60.0,-76.0,75.0,-69.0 1998-02-01T00:00:00Z T00:00:00Z 2013-02-19T05:00:00Z

Measurements of ice velocity and strain rate have been derived by analysis of satellite images for the Lambert Glacier and Amery Ice Shelf system. Two techniques have been applied in the production ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]SIPEX_II_Brine_Permittivity 120.63,-65.1336,121.672,-65.0779118.3249,-65.2643,119.0013,-65.1421116.8338,-64.8729,116.8338,-64.8729 2012-09-26T00:00:00Z 2012-11-08T00:00:00Z 2013-02-19T05:00:00Z

This dataset contains data resulting from the measurement of brine samples extracted from the sea-ice during the 2012 SIPEX 2 (Sea Ice Physics and Ecosystems Experiment) marine science voyage. The ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]SIPEX_II_Waveguide 119.9274,-65.2904,120.0815,-65.2585118.3249,-65.2643,119.0013,-65.1421115.7111,-64.8722,116.8338,-64.6789 2012-10-14T00:00:00Z 2012-10-31T00:00:00Z 2013-02-19T05:00:00Z

This dataset contains data relating to an experimental method in which sea-ice samples were measured in an S-band microwave waveguide. This was conducted as a part of the 2012 SIPEX 2 (Sea Ice Physics ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]SIPEX_Pyrometer 110.0,-68.0,130.0,-64.0 2007-09-04T00:00:00Z 2007-10-17T00:00:00Z 2013-02-19T05:00:00Z

Skin temperature data over the East Antarctic pack ice zone were recorded by the RAPPLS airborne instrument package using a KT-19II infrared pyrometer. The KT-19II infrared pyrometer was manufactured ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASPeCt-Bio -180.0,-76.0,180.0,-60.0 1983-11-14T00:00:00Z 2008-12-16T00:00:00Z 2013-02-06T05:00:00Z

The ASPeCt - Bio dataset is a compilation of currently available sea ice chlorophyll a (chl-a) data from pack ice (i.e., excluding fast ice) cores collected during 32 cruises to the Southern Ocean ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]APIS 48.88,-69.2256,150.43,-58.93 1984-11-11T00:00:00Z 2000-01-10T00:00:00Z 2013-02-05T05:00:00Z

APIS data were collected between 1994 and 1999. This dataset also includes some historical data collected between 1985 and 1987. Both aerial and ship-board surveys were conducted. Studies on the behaviour ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_1164_AM03 70.332,-70.561,70.333,-70.56 2005-12-13T00:00:00Z T00:00:00Z 2013-02-05T05:00:00Z

Amery Ice Shelf AM03 borehole drilled mid-December 2005. Sub-shelf water profiling measurements conducted over a period of a few days. Partial video recording of borehole walls and sea floor benthos. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_1164_AM03_video 70.332,-70.561,70.333,-70.56 2005-12-13T00:00:00Z T00:00:00Z 2013-02-05T05:00:00Z

Amery Ice Shelf AM03 borehole drilled mid-December 2005. Sub-shelf water profiling measurements conducted over a period of a few days. Partial video recording of borehole walls and sea floor benthos. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_1164_AM04 70.29,-69.9,70.3,-69.89 2006-01-10T00:00:00Z T00:00:00Z 2013-02-05T05:00:00Z

Amery Ice Shelf AM04 borehole drilled mid-January 2006. Sub-shelf water profiling measurements conducted over a period of a few days. Partial video recording of borehole walls and sea floor benthos. ...