Global Change Master Directory gsfc-gcmduso@mail.nasa.gov 50 2013-05-20T01:27:24Z http://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 82 0 http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS095 -179.836,84.923,179.808,89.952 2000-04-21T00:00:00Z 2000-04-28T00:00:00Z 2001-04-09T00:00:00Z 2001-04-14T00:00:00Z 2002-04-23T00:00:00Z 2002-04-28T00:00:00Z 2003-05-06T00:00:00Z 2003-05-09T00:00:00Z 2004-04-26T00:00:00Z 2004-04-29T00:00:00Z 2005-04-25T00:00:00Z 2005-04-28T00:00:00Z 2012-05-15T04:00:00Z

This data set includes diverse measurements of seawater chemistry along with supplementary conductivity, temperature, depth (CTD); pressure; salinity; potential temperature; and density data from ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS903 -164.7611,64.9194,-148.6,70.4389 1998-05-01T00:00:00Z 2001-10-31T00:00:00Z 2012-05-13T04:00:00Z

This data set contains air and ground temperature measurements collected from three different regions, each with multiple sites. The regions sampled are North Slope, Council, and Ivotuk. Measurements ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS905 156.62,71.32,156.62,71.32 1999-06-01T00:00:00Z 2001-09-30T00:00:00Z 2012-05-13T04:00:00Z

This data set contains elevated soil temperature and water table manipulation measurements taken at a tundra site near Barrow, Alaska, USA. Eighteen 60-cm diameter polycarbonate cylinders were installed ...

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]ARCSS907 -164.0,64.0,-148.0,74.0 1995-05-31T00:00:00Z 2001-06-20T00:00:00Z 2012-05-11T04:00:00Z

This data set consists of air and soil temperatures from various sites in Alaska between 1995 and 2001. Data loggers recorded soil temperatures at 1 cm below the ground or snow surface, and 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]ARCSS079 2012-05-11T04:00:00Z

These data are water column and sediment data tabulated in Microsoft Excel spreadsheets. They were largely collected in the Bering and Chukchi Seas, with some coverage for the Beaufort and East Siberian ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS011 1996-08-31T00:00:00Z 1996-09-27T00:00:00Z 2012-05-11T04:00:00Z

In an international collaborative effort, Japanese, Russian, and U.S. scientists collected hydrographic CTD (conductivity, temperature, density) samples in the Chukchi Sea north of the Bering Strait ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS904 163.644,64.727,164.73,65.2 1998-06-27T00:00:00Z 2000-08-30T00:00:00Z 2012-05-11T04:00:00Z

This data set contains climate, flux, and bulk density data from Ivotuk and Council (Seward Peninsula), Alaska, collected from 1998 through 2000. Surface energy and trace gas exchange measurements ...

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]ARCSS902 116.55,55.58,145.21,71.59 1882-09-01T00:00:00Z 1998-09-30T00:00:00Z 2012-05-11T04:00:00Z

This data set contains historical data for 35 Russian stations located between approximately 117-145 E and 55-72 N. Data were collected between 1882-1994, but the time period covered by each station ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS017 -150.0,69.0,-150.0,69.0 2012-05-11T04:00:00Z

This data set includes ArcInfo-formatted maps of the Kuparuk River Basin Region of the Alaskan North Slope (at 1:250,000 scale) and five subset study areas: the Upper Kuparuk River Basin Subregion ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS059 -180.0,-90.0,180.0,90.0 2012-05-11T04:00:00Z

Information on soils, vegetation types, cultivated areas, wetlands and inundated areal fraction at 1- x 1-degree resolution for the Earth are available. Global FAO soil units data distinguish 27 ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS045 -180.0,-90.0,180.0,90.0 1993-07-19T00:00:00Z 1993-08-16T00:00:00Z 2012-05-11T04:00:00Z

The data file defines a global seasonal snow classification system. Based on the physical properties of the snow (depth, density, thermal conductivity, number of layers, degree of wetting, etc.), ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS138 -180.0,-90.0,180.0,90.0 1994-01-01T00:00:00Z 2004-01-01T00:00:00Z 2012-05-11T04:00:00Z

This data set provides a global distribution of nine subgrid snow-depth-variability categories and a coefficient of variation applicable to each category, as the result of the Subgrid SNOW Distribution ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS105 -36.0,65.0,15.0,80.0 1998-08-01T00:00:00Z 1998-10-30T00:00:00Z 2012-05-11T04:00:00Z

This data set includes data for the following parameters: dissolved barium; bottom depth; pressure; temperature; salinity; dissolved oxygen; phosphate; siliceous acid; nitrate; nitrite; and oxygen ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS069 2012-05-11T04:00:00Z

'Into the Arctic' contains educational materials about climate and climate history in the Arctic that use real data and questions from the Greenland Ice Sheet Project Two (GISP2). Beginning in 1993, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS051 -148.0,69.0,152.0,70.0 1994-06-01T00:00:00Z 1996-08-31T00:00:00Z 2012-05-11T04:00:00Z

The data in the aircraft portion of the Land Atmosphere Ice Interaction (LAII) Alaska Landscape Flux Survey (ALFS) were collected in June 1994, June 1995, August 1995, and June 1996. The object of ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS020 -149.0,68.0,-149.0,68.0 2012-05-11T04:00:00Z

This ARC/INFO map provides a spatially explicit representation of the nature and distribution of land cover and tundra types on the North Slope of Alaska. This was done in support of extrapolating ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS010 -150.0,69.0,-150.0,69.0 1975-01-01T00:00:00Z T00:00:00Z 2012-05-11T04:00:00Z

As part of the Arctic Long Term Ecological Research (ARC LTER) project, numerous investigators have collected diverse environmental data from sites in the northern foothills of Alaska's Brooks Range. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS108 -148.852,69.167,-148.852,69.167 1994-07-19T00:00:00Z 1994-07-24T00:00:00Z 2012-05-11T04:00:00Z

This data set contains CH4 (methane) flux and related measurements taken at the Happy Valley Flux Study Site in northern Alaska during the summer of 1994. Sampling was conducted to test use of a laser ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS052 -150.0,68.0,-148.0,69.0-149.0,69.0,-148.0,70.0 1921-01-01T00:00:00Z 2144-12-31T00:00:00Z 1995-05-01T00:00:00Z 1995-08-31T00:00:00Z 2012-05-11T04:00:00Z

This data set contains model input and output data for four simulations of varying time periods and spatial coverage. The first two simulations are for acidic tussock tundra in the Toolik Lake region ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS077 -180.0,70.0,180.0,90.0 1950-01-01T00:00:00Z T00:00:00Z 2012-05-11T04:00:00Z

This data collection includes measurements of temperature, salinity, conductivity, pH, and concentrations of silicate, oxygen, nitrate, nitrite, and phosphorus in the Arctic Ocean. The data were ...

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]ARCSS078 35.0,45.0,140.0,70.0 1882-01-01T00:00:00Z 1990-12-31T00:00:00Z 2012-05-11T04:00:00Z

This data set is a collection of monthly and annual average soil temperatures measured at Russian meteorological stations. Data were recovered from many sources and compiled by staff at the University ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS070 -180.0,60.0,180.0,90.0 1995-03-27T00:00:00Z 1997-10-20T00:00:00Z 2012-05-11T04:00:00Z

Dissolved barium data were compiled from water samples collected between 26 August 1993 and 2 October 1997 from nuclear submarines in the interior basins of the Arctic Ocean. Water samples were collected ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS072 2012-05-11T04:00:00Z

During the SCICEX 1993 cruise, the USS Pargo sampled hydrographic data while surfaced. The data collected were conductivity, temperature, and depth (CTD), using a Sea-Bird CTD, expendable CTD probes, ...

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]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?[GCMD]ARCSS100 -38.38361,72.53361,-38.38361,72.53361 2000-06-04T00:00:00Z 2000-06-21T00:00:00Z 2012-05-11T04:00:00Z

This data set contains ozone surface data and 133 meteorological and 82 ozone vertical profile measurements collected from the surface to a maximum altitude of 1400 meters above the ground surface ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS054 -159.0,71.0,-159.0,71.0 1992-09-24T00:00:00Z 1995-09-11T00:00:00Z 2012-05-11T04:00:00Z

This data set contains temperature, salinity, and current meter data collected from instrument moorings set at various depths in the Barrow Canyon of the northeast Chukchi Sea. The collection period ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS091 -149.717,68.628,-148.85,68.767 1995-01-01T00:00:00Z T00:00:00Z 2011-03-16T04:00:00Z

The investigator has undertaken long-term field experiments and monitoring at the Arctic Long Term Ecological Research (LTER) station, Toolik Lake, Alaska, exploring the effects of climate change ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS046 -60.0,70.0,-60.0,70.0 1988-01-01T00:00:00Z 1988-12-31T00:00:00Z 2011-03-16T04:00:00Z

Information from two 2-meter snow pits, five 4-meter snow pits, and two 6-meter snow pits, all dug in 1988 from selected sites in Greenland, includes chemistry (H+), stable isotopes (Ca, Cl, Na, K, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS049 -60.0,70.0,-60.0,70.0 1989-01-01T00:00:00Z 1993-12-31T00:00:00Z 2011-03-16T04:00:00Z

Chemistry and isotope information from snow pits dug at the Summit area of Greenland, 1989-1993 includes major ions (Na, K, Mg, Ca, Cl, NO3, SO4), oxygen isotopes (18O) and H2O2. Four snow pits were ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS102 -179.23,57.54,178.6,82.76 1993-06-11T00:00:00Z 1993-10-10T00:00:00Z 2010-12-30T05:00:00Z

This data set includes measurements of barium concentrations in samples collected during five oceanographic cruises in the Arctic Ocean in 1993. Investigators collected water samples with Niskin, ...

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]ARCSS107 -137.4,68.46,170.49,77.71 1993-09-15T00:00:00Z 1996-08-31T00:00:00Z 2010-12-30T05:00:00Z

This data set includes measurements of barium concentrations and salinity in samples collected from the estuaries of major Arctic rivers and adjacent shelf areas during 1993 to 1996. Investigators ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]G02180 -180.0,74.0,180.0,90.0 1997-08-25T00:00:00Z 1998-10-03T00:00:00Z 2010-12-22T05:00:00Z

This data set consists of optical band reconnaissance imagery of the Surface Heat Balance of the Arctic (SHEBA) site acquired between August 1997 and September 1998. The images cover a variable area ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS110 -149.37,68.59,-149.26,68.63 1984-08-01T00:00:00Z 1985-09-04T00:00:00Z 2010-12-22T05:00:00Z

This data report is a summary of environmental, soil, and vegetation information collected from 73 study plots at the Department of Energy R4D research site, located near Imnavait Creek in northern ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS081 -112.0,64.0,-85.0,80.0 1999-07-19T00:00:00Z 1999-09-11T00:00:00Z 2010-12-20T05:00:00Z

This report summarizes environmental, vegetation, and soil data collected from 116 releves along a 2000-km transect from Amund Ringnes, Axel Heiberg, and Ellesmere Islands in the northern Canadian ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS075 -180.0,50.0,180.0,90.0-150.0,68.0,-148.0,69.0 1920-01-01T00:00:00Z 2100-12-31T00:00:00Z 2010-12-20T05:00:00Z

This data set contains the model output data of Terrestrial Ecosystem Model (TEM) simulations from 1920-2100 for both moist tundra and polar desert/alpine tundra for the Pan-arctic, compared to output ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS093 -174.0,75.0,179.0,89.0 1994-07-26T00:00:00Z 1994-09-01T00:00:00Z 2010-12-20T05:00:00Z

This data set includes spectral and broadband measurements of downwelling shortwave and longwave radiation made aboard the U.S. Coast Guard Cutter 'Polar Sea' during the 1994 Arctic Ocean Section ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS084 -157.451,68.4705,-155.7357,71.3234 1999-06-27T00:00:00Z 1999-07-18T00:00:00Z 2010-12-20T05:00:00Z

This data set comprises the text and data presented in the data report 'A western Alaskan transect to examine interactions of climate, substrate, vegetation, and spectral reflectance: ATLAS grids ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS058 -148.0,68.0,-148.0,68.0 1995-05-01T00:00:00Z 1996-09-30T00:00:00Z 2010-12-17T05:00:00Z

Leaf Area Index (LAI) was measured for tundra plots at the Toolik Lake Field Station during the summers of 1995 and 1996. Measurements were made on control plots, plots from which snow was removed, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS092 38.5,63.8,161.2,72.0 1938-01-01T00:00:00Z 2000-12-31T00:00:00Z 2010-12-17T05:00:00Z

The Russian Federal Service for Hydrometeorology and Environmental Monitoring (Roshydromet) measured sediment fluxes and nutrient concentrations of sixteen Russian rivers between 1938 and 2000. This ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS097 -150.6,68.55,-148.4,70.44 1921-01-01T00:00:00Z 2100-12-31T00:00:00Z 2010-12-17T05:00:00Z

This data set includes output data from the MBL-GEM III model for tussock tundra in the Kuparuk River watershed of Alaska. The model outputs 154 different variables for 123 10 km x 10 km grid cells, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS096 -149.5,68.5,-149.5,68.5 1921-01-01T00:00:00Z 2100-12-31T00:00:00Z 2010-12-17T05:00:00Z

This data set includes output data from the MBL-GEM III model for a typical tussock-tundra hillslope. The model outputs 154 different variables for 20 modeled square-meter plots. Modeled plots ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS087 -149.618,68.611,-148.593,70.284 1995-06-20T00:00:00Z 1997-08-31T00:00:00Z 2010-12-17T05:00:00Z

This data set includes ground surface temperatures and air temperatures measured at ten study plots within the Kuparuk River basin of north-central Alaska. Computed thaw-season 'n-factor' values are ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS037 -156.0,71.0,-156.0,71.0 1993-08-10T00:00:00Z 1994-08-19T00:00:00Z 2010-12-17T05:00:00Z

This data set contains snow depth measurements (cm) taken at the ARCSS 1-m grid near Barrow, Alaska, on May 8, 1994. A grid spacing of 100 m was marked with wooden stakes. Snow pack depth was then ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ARCSS074 -164.632,64.726,-155.733,71.321 1992-08-19T00:00:00Z 2000-08-01T00:00:00Z 2010-12-17T05:00:00Z

Soil profiles at 27 sites in northern Alaska were described and classified in order to provide baseline soils data for ARCSS/LAII/ATLAS (Arctic Transitions in the Land-Atmosphere System) Winter Carbon ...