Global Change Master Directory gsfc-gcmduso@mail.nasa.gov 50 2013-05-22T08:15:46Z http://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 88 0 http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K123_1999_2012_NZ_1 166.75,-77.85,166.75,-77.85163.83,-77.43,163.83,-77.43160.1,-77.55,160.1,-77.55161.7,-77.4667,161.7,-77.4667162.7333,-76.8833,162.7333,-76.8833166.4162,-78.5167,166.4162,-78.5167161.75,-77.416664,161.75,-77.416664160.17412,-78.30691,166.45972,-77.0396161.51556,-77.31062,161.51556,-77.31062 1999-01-04T00:00:00Z T00:00:00Z 2012-06-01T04:00:00Z

In collaboration with the United States Department of Agriculture (USDA) climate stations were installed at six locations in the Ross Sea Region including Scott Base, Marble Point and Bull Pass all ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K123_2010_2012_NZ_3 162.40018,-77.44644,160.937,-77.32796157.38,-85.25,171.55,-83.14162.68245,-77.56752,160.72768,-77.41661160.7291,-77.57142,162.5993,-77.44523 2011-12-25T00:00:00Z 2012-01-23T00:00:00Z 2010-12-21T00:00:00Z 2011-01-10T00:00:00Z 2012-05-31T04:00:00Z

Soil samples from a diverse range of soil types have been collected from the Wright and Victoria Valley Systems, to determine whether soil distribution patterns aid prediction of microbial abundance ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]G02190 -180.0,-78.0,180.0,-33.0-180.0,31.0,180.0,82.5 2007-01-01T00:00:00Z 2009-12-31T00:00:00Z 2012-05-13T04:00:00Z

During the planning and implementation of the International Polar Year (IPY) 2007 - 2009, the International Permafrost Association (IPA) coordinated the acquisition of permafrost temperature data ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS158 -180.0,45.3498,180.0,83.6166 1979-01-01T00:00:00Z 2001-12-31T00:00:00Z 2012-05-13T04:00:00Z

Investigators applied the Frozen Ground Model to the entire Arctic Drainage Basin to create this data set of active layer depth (ALD), recorded in centimeters. This model has been shown to provide ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS040 -151.189,68.382,-148.089,70.539 1995-07-07T00:00:00Z 1997-08-20T00:00:00Z 2012-05-11T04:00:00Z

This data product contains field data measurements of air temperatures and thaw depth (active-layer thickness) measured at locations in north-central Alaska, and modelled values of air temperatures ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS034 -165.0,68.0,-140.0,72.0 1977-01-01T00:00:00Z 2002-01-01T00:00:00Z 2012-05-11T04:00:00Z

This data set contains temperatures collected from boreholes on the North Slope of Alaska at 23 sites between 1977 and 2003. Most data fall into a date range of 1983-2003. The data consist of manually ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS106 -165.0,68.0,-140.0,72.0 1977-01-01T00:00:00Z 2002-01-01T00:00:00Z 2012-05-11T04:00:00Z

This data set contains air and soil temperatures collected from eight sites in Alaska between 1986 and 2001. The data were obtained by remote, battery-powered, computer-controlled automatic temperature ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS089 -157.1418,70.9055,-155.5474,71.3136 2000-08-01T00:00:00Z 2001-12-31T00:00:00Z 2012-05-11T04:00:00Z

This data set contains measurements taken from 78 drained thaw-lake basins on the Arctic Coastal Plain between Barrow and Atqasuk, Alaska. Investigators collected and analyzed sediment cores to determine ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS103 -148.863,69.141,-148.84,69.149 1994-06-06T00:00:00Z 1994-07-17T00:00:00Z 2012-05-11T04:00:00Z

This data set contains measurements for permafrost active layer thaw depth and vegetation reflectance (red and near-infrared bandwidths) at the Happy Valley Flux Study Site in northern Alaska during ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS160 88.3,60.9,178.9,70.75 1930-01-01T00:00:00Z 1990-12-31T00:00:00Z 2012-05-11T04:00:00Z

This data set consists of active layer thickness (ALT) measurements based on soil temperatures in the Russian Arctic. The active layer is the top layer of ground that freezes in the winter and thaws ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS900 -149.599,68.62,-149.596,68.623 1994-08-11T00:00:00Z 2002-08-22T00:00:00Z 2012-05-11T04:00:00Z

This data set contains active layer data collected for the Toolik Snowfence Experiment from 1994 to 2002. The Toolik Snowfence Experiment (part of the International Tundra Experiment network) examines ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_867 78.0,-68.0,78.0,-68.0 1995-07-01T00:00:00Z 1996-06-30T00:00:00Z 2011-12-19T05:00:00Z

Metadata record for data from ASAC Project 867 See the link below for public details on this project. Dataset Sea-ice bacteria data are associated with ASAC_1012 and included there Data for bacteria ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd353 -134.95,61.883,-121.6,69.717 1991-01-01T00:00:00Z 2007-12-31T00:00:00Z 2011-01-24T05:00:00Z

This project involves measuring regional and site variability in maximum annual active layer development and vertical surface movement over permafrost, and monitoring sites over time in order to observe ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd622 27.17,69.82,27.17,69.82 1993-09-08T00:00:00Z 2002-10-14T00:00:00Z 2011-01-24T05:00:00Z

This data set contains 76 active-layer depth measurements (cm) of the Vaisje??ggi palsa bog, Finland, from 08 September 1993 to 14 October 2002. Data were collected from a single location at 69 deg ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd642 134.5333,69.5,134.5333,69.5 1979-08-21T00:00:00Z 1999-08-18T00:00:00Z 2011-01-24T05:00:00Z

Thaw-depth data were collected annually in August from 21 August 1979 to 18 August 1999, from 400-m, 600-m, and tundra transects at Illisarvik lake, Richards Island, Northwest Territories, Canada. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd651 -180.0,50.0,180.0,90.0 1901-01-01T00:00:00Z 2002-12-31T00:00:00Z 2011-01-24T05:00:00Z

This data set contains mean, median, minimum and maximum freeze and thaw depths for each year from 1901 to 2002 on the 25 km resolution Equal-Area Scalable Earth Grid (EASE-Grid) for areas north ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd499 77.817,41.65,78.233,41.933 1986-01-01T00:00:00Z 1992-01-31T00:00:00Z 2011-01-24T05:00:00Z

This dataset includes observations of the permafrost temperatures in the Inner Tien Shan were started in 1986 by Kazakhstan Alpine Permafrost Laboratory. Observations are carried out on more than ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd648 87.00179,40.607674,121.35476,52.229263 1990-01-01T00:00:00Z 1990-12-31T00:00:00Z 2011-01-24T05:00:00Z

The map of Geocryology and Geocryological Zonation of Mongolia was derived from the National Atlas of Mongolia (Sodnom and Yanshin, 1990). The data set depicts the distribution and general properties ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd633 180.0,90.0,180.0,90.0 2011-01-24T05:00:00Z

The Global Terrestrial Network for Permafrost (GTN-P) was established in 1999 by the International Permafrost Association to provide long-term field observations of active layer and permafrost thermal ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd617 -180.0,-90.0,180.0,90.0 1999-04-01T00:00:00Z 1999-04-30T00:00:00Z 2011-01-24T05:00:00Z

The Ground Water Atlas of the United States includes summary information on permafrost in Alaska, and the relation of permafrost and ground water. The Atlas includes figures showing permafrost zones ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd603 73.45,18.19,135.09,53.48 2011-01-24T05:00:00Z

This data set includes digital versions of 'The Map of Geocryological Regionalization and Classification in China' from Geocryology in China by Y. Zhou, D. Guo, G. Qiu, G. Cheng, and S. Li. Included ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd631 -51.0,69.0,-51.0,69.0 1911-04-01T00:00:00Z 2006-04-30T00:00:00Z 2011-01-24T05:00:00Z

This data set contains borehole temperatures from Ilulissat, west Greenland (69°N, 51°N, 44 m asl), recorded from 21 thermistors at depths of 0.25 m, 0.5 m, 0.75 m, 1 m, 1.25 m, 1.5 m, 1.75 ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd249 16.683,77.9,16.683,77.9 1987-07-01T00:00:00Z 1996-05-31T00:00:00Z 2010-12-30T05:00:00Z

Snow and soil temperature records for January 1988 - May 1996 are presented. Included are snow depth and weight measurements, snow density (calculated), active layer depth in the frost tubes, weight ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS161 -180.0,50.0,180.0,85.0 1960-01-01T00:00:00Z 2005-12-31T00:00:00Z 2010-12-30T05:00:00Z

The Arctic Rapid Integrated Monitoring System (ArcticRIMS) uses products from numerical weather prediction models (NCEP/NCAR, ERA-40, station records, satellite remote sensing, and other data sets) ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd1 -69.0,-32.0,-69.0,-32.0 1995-01-01T00:00:00Z 2005-12-31T00:00:00Z 2010-12-30T05:00:00Z

This data set includes air and soil temperatures from the East Andean Range. The goals of the project were 1) to understand air and ground temperature variations as a function of elevation in seasonally ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd193 66.5,66.5,73.5,73.5 1983-01-01T00:00:00Z 1989-12-31T00:00:00Z 2010-12-30T05:00:00Z

This data set consists of a classification of the geological environment of Yamal, based on a map of natural complexes of North West Siberia. 52 separate regions were identified, distinguished by ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd240 -148.167,64.25,147.5,64.75 1989-01-01T00:00:00Z 1989-12-31T00:00:00Z 1992-01-01T00:00:00Z T00:00:00Z 2010-12-29T05:00:00Z

This data set consists of active layer thickness from forested uplands (islands and benches) bordering the interconnected wetlands of Tanana Flats, near Fairbanks, Alaska. CRREL permafrost cores were ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd307 156.0,59.85,162.0,63.2 1959-01-01T00:00:00Z 1984-12-31T00:00:00Z 2010-12-29T05:00:00Z

This data set includes measurements of ground temperature, active-layer and permafrost thickness, and soil properties in the Gijiga Lowland, Russia. Massive ground ice and periglacial processes are ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd23 -53.64,66.94,-53.64,66.94 1967-09-01T00:00:00Z 1982-08-31T00:00:00Z 2010-12-29T05:00:00Z

This data set contains active-layer and permafrost temperatures from Sisimiut, west Greenland, recorded from 18 sensors at depths of 0.25 m, 0.5 m, 0.75 m, 1 m, 1.25 m, 1.5 m, 1.75 m, 2 m, 2.5 m, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd313 160.6,-78.51667,166.76666,-74.03333-180.0,31.816668,180.0,81.816666 1991-01-01T00:00:00Z T00:00:00Z 2010-12-29T05:00:00Z

The CALM network currently includes 130 active sites in both hemispheres, with 15 participating countries. An additional 20 or more secondary sites are co-located with these primary sites, resulting ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd303 65.833,65.0,75.0,67.0 1967-01-01T00:00:00Z 2002-12-31T00:00:00Z 2010-12-29T05:00:00Z

This project collected information on snow cover, geocryology, soil properties, and ground temperature, in western Siberia, Russia. Ground temperature was measured every 0.5 m to a depth of 3 m; every ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd305 81.0,69.0,88.833,69.833 1968-01-01T00:00:00Z 1988-12-31T00:00:00Z 2010-12-29T05:00:00Z

This data set includes geocryological data from boreholes in the Messoyakha-Norilsk Pipeline Area, Russia. Parameters include ground temperature and soil properties. Ground temperature was measured ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd304 55.0,64.0,67.5,68.0 1967-01-01T00:00:00Z 1988-12-31T00:00:00Z 2010-12-29T05:00:00Z

This data set includes geocryological data from northwest Russia. Parameters include soil properties, ground temperature, ground water properties, and geophysical properties. Data were collected during ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd299 149.167,62.083,159.0,66.0 1949-01-01T00:00:00Z 1979-12-31T00:00:00Z 2010-12-29T05:00:00Z

This data set provides description of permafrost extent, measurements of temperature regime and water inflow in mines, measurements of active-layer depth, and descriptions of periglacial processes ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd302 57.0,65.0,84.0,70.833 1969-01-01T00:00:00Z 1990-12-31T00:00:00Z 2010-12-29T05:00:00Z

This project collected information on snow cover, geocryology, geophysics, soil properties, ground temperature, and active layer depth in the area of the Yamal Peninsula gas fields and pipelines in ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd306 73.0,67.0,76.0,68.0 1972-01-01T00:00:00Z 2000-12-31T00:00:00Z 2010-12-29T05:00:00Z

This data set includes geocryological data from boreholes in the in the Yamburg and Medvezhje gas fields of western Siberia, Russia. Parameters include ground temperature, active layer depth, ground ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd244 -157.417,68.617,-148.567,71.333 2010-12-29T05:00:00Z

This study is developing a GIS at multiple scales for the Kuparuk River Basin and other sites in Alaska. The project includes geobotanical sampling of 1 x 1 km grids at 100 m intervals for vegetation, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd25 83.0,-85.5,156.0,-72.25 1960-01-01T00:00:00Z T00:00:00Z 2010-12-29T05:00:00Z

This data set includes the New Zealand National soils database, a comprehensive collection of data relating to Antarctic soils, permafrost, and frozen ground conditions. Data are from about 800 sites ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd245 -148.0,40.0,-105.0,68.0 2010-12-29T05:00:00Z

This study investigated the effects of field manipulations of winter precipitation and summer temperature on species performance, community structure, and ecosystem C and N dynamics. Parameters include ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd280 -69.45,-32.983,-69.25,-32.9 1980-01-01T00:00:00Z 1993-12-31T00:00:00Z 2010-12-29T05:00:00Z

Primary rock glaciers are fed by avalanche chutes. At the El Salto rock glacier, surveys have been undertaken in order to determine the creep rate. Between 1981 and 1986 temperatures at elevations ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd9 -18.667,64.5,-18.667,64.5 1983-01-01T00:00:00Z 1991-12-31T00:00:00Z 2010-12-29T05:00:00Z

This dataset documents a nine-year study to investigate the seasonal and annual dynamics of frozen ground and explore the relationship with environmental factors. The presence/absence of frozen ground ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd222 -156.6,71.316666,-156.58333,71.316666 1962-01-01T00:00:00Z 1968-12-31T00:00:00Z 1991-01-01T00:00:00Z 1993-12-31T00:00:00Z 2010-12-28T05:00:00Z

This data set contains soil temperature, soil moisture, thaw depth, and snow depth data collected at test sites near Barrow, Alaska, during the following years. Soil temperature data - 1963-1966, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd239 12.462,78.958,12.462,78.958 1985-07-01T00:00:00Z 1986-06-30T00:00:00Z 2010-12-28T05:00:00Z

These data have been collected from an Arctic desert site (latitude 78o57'29N, longitude 12o27'42E), Broeggerhalvoya in western Spitsbergen, 10 km NW from Ny Alesund, 45 m above sea level, 2 km ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd298 145.75,59.433,152.267,60.25 1933-01-01T00:00:00Z 1989-12-31T00:00:00Z 2010-12-28T05:00:00Z

This study investigated periglacial processes in the area around Magadan City, Russia. Polygons containing observation sites were established in both natural and disturbed conditions. Permafrost temperature, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd301 113.833,52.5,129.0,58.833 1964-01-01T00:00:00Z 1988-12-31T00:00:00Z 2010-12-28T05:00:00Z

This data set includes geocryological data from boreholes in the Baikal-Amur mainline area of Russia. Parameters include soil properties, ground temperature, ground water properties, geophysical properties, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd300 148.367,59.35,150.0,60.0 1945-01-01T00:00:00Z 1989-12-31T00:00:00Z 2010-12-28T05:00:00Z

This data set includes active layer depth and groundwater data from boreholes in the Yana River Area, Russia. Boreholes ranged in depth from 5 to 200 m. The project also measured permafrost extent ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd192 76.0,66.0,76.0,68.0 1972-01-01T00:00:00Z 1980-12-31T00:00:00Z 2010-12-28T05:00:00Z

This data set consists of data from approximately 1,200 engineering-geocryological boreholes, of approximate 12 m depth. The following parameters are collected for each borehole: ground type, cryotextures, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd194 79.0,66.833,80.0,67.0 1981-01-01T00:00:00Z 1982-12-31T00:00:00Z 2010-12-28T05:00:00Z

This data set includes data from approximately 400 engineering-geocryological boreholes in western Siberia (approximate depth of 12 m). The data include soil type, cryotexture, soil moisture at 0.5 ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd236 -148.0,64.95,-148.0,64.95 2010-12-28T05:00:00Z

This study used ground-penetrating radar to map groundwater (sub- and supra-permafrost) and bedrock and permafrost constraints to water flow at Fort Wainright, Alaska. Active layer parameters, depth ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd205 -60.389,-60.657,-60.389,-60.657 1992-01-01T00:00:00Z 2002-12-31T00:00:00Z 2010-12-28T05:00:00Z

This data set consists of micrometeorological tower data from Livingston Island in the South Shetland Islands (periantarctic). Parameters include summer heat flux balance, soil heat flux, and active ...