Global Change Master Directory gsfc-gcmduso@mail.nasa.gov 50 2013-06-19T12:26:35Z http://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 82 0 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]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?[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?[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?[GCMD]CDA_AR-ANTARCTICPERMAFROSTANDCLIMATECHANGUE-PICTO36155-2005 2012-07-10T04:00:00Z

ENGLISH The project is aimed at enhanced knowledge of the present morphology and structure of Antarctic permafrost and the interpretation of the permafrost evolution and the cryogenic processes and ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K020_2008_2012_NZ_1 163.6076,-78.1605,164.4656,-77.9976163.73714,-78.17003,163.80022,-78.117645163.57486,-78.1555,164.0503,-78.13208163.73714,-78.17003,163.82254,-78.10072163.57486,-78.16053,163.88843,-78.13208163.67592,-78.09698,163.91064,-78.02384161.87634,-78.14442,163.76472,-77.49868161.38937,-78.0955,163.83333,-77.33517160.49257,-78.09498,163.78983,-77.4178 2008-11-07T00:00:00Z 2009-01-28T00:00:00Z 2010-02-01T00:00:00Z 2011-01-14T00:00:00Z 2011-01-08T00:00:00Z 2011-01-20T00:00:00Z 2011-02-01T00:00:00Z 2012-01-15T00:00:00Z 2012-01-14T00:00:00Z 2012-01-24T00:00:00Z 2012-06-15T04:00:00Z

The McMurdo Dry Valleys are the largest area of snow-free land in Antarctica. Managers ability to promote and protect these areas would benefit if we knew the biodiversity present and what controls ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K064_2010_2012_NZ_1 167.21272,78.19859,166.00351,78.30408 2010-11-08T00:00:00Z 2010-12-05T00:00:00Z 2011-11-08T00:00:00Z 2011-11-19T00:00:00Z 2012-06-08T04:00:00Z

The research is giving us an understanding of the entrainment, transfer and deposition of sediment by ice shelves. The investigation of the structure, composition and motion of the Southern McMurdo ...

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]G02201 -180.0,-90.0,180.0,90.0 1882-01-01T00:00:00Z 2007-12-31T00:00:00Z 2012-05-13T04:00:00Z

The International Polar Year Historical Data and Literature collection (formerly known as the Discovery and Access of Historic Literature from the IPYs (DAHLI) project) is an online data collection ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]AIS_GEOM 66.0,-73.6,79.0,-66.0 1950-01-01T00:00:00Z 2006-04-01T00:00:00Z 2012-05-04T04:00:00Z

Ocean circulation beneath ice shelves and associated rates of melting and freezing are influenced strongly by water column thickness and depth. The shape of the cavity beneath the Amery Ice Shelf ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CIESIN_SEDAC_IPCC_OBSERVED -180.0,-90.0,180.0,90.0 1970-01-01T00:00:00Z 2004-01-01T00:00:00Z 2012-04-09T04:00:00Z

The Intergovernmental Panel on Climate Change (IPCC) Fourth Assessement Report (AR4) Observed Climate Change Impacts Database contains observed responses to climate change across a wide range of systems ...

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]NSF-ANT08-40979 165.35155,-85.49725,173.26738,-83.71592 2009-07-15T00:00:00Z 2011-06-30T00:00:00Z 2011-11-02T04:00:00Z

Ice sheet models of the Last Glacial Maximum, and previous glaciation events in the Miocene, suggest that current low altitude, ice-free surfaces in Antarctica were completely covered with ice. If ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSF-ANT08-40705 165.35155,-85.49725,173.26738,-83.71592 2009-07-15T00:00:00Z 2011-06-30T00:00:00Z 2011-10-06T04:00:00Z

Ice sheet models of the Last Glacial Maximum, and previous glaciation events in the Miocene, suggest that current low altitude, ice-free surfaces in Antarctica were completely covered with ice. If ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]BU-054-005 160.48705,-77.909454,160.63568,-77.84513 2011-02-10T05:00:00Z

This project studies ancient ice buried in the Dry Valleys of Antarctica. The ice, which may approach ten million years in age, will be dated using argon and uranium radioisotope techniques. High-risk ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd484 38.05,-47.1306,37.7306,-46.8194 1996-05-01T00:00:00Z 2005-06-30T00:00:00Z 2011-01-24T05:00:00Z

This study assessed the environmental controls, active processes, and resulting landforms of geomorphological phenomena on Marian Island that have a high paleoclimatic indicator value as relict landforms ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd626 161.8806,-77.9806,166.7806,-77.45 1999-01-21T00:00:00Z 2001-12-31T00:00:00Z 2011-01-24T05:00:00Z

To determine the effects of oil spills on soil temperature and moisture, soil climate stations were built at existing contamination sites -- Scott Base, Marble Point, Bull Pass, and nearby control ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd308 -68.433,-71.833,-36.5,-54.233 1976-12-01T00:00:00Z 1995-01-31T00:00:00Z 2010-12-30T05:00:00Z

This data set consists of soil temperatures collected by the British Antarctic Survey (BAS) at Signy Island, Alexander Island, and South Georgia Island between 1976 and 1995.

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]ggd6 161.083,-77.6,161.083,-77.6 1994-01-01T00:00:00Z 1994-12-31T00:00:00Z 2010-12-29T05:00:00Z

Soil temperatures were measured with Campbell 107 soil thermistors. Thermistors were placed at 0, 17, 23 (just above the ice-cemented permafrost) and 40 cm depth. To emplace the sensors, first a soil ...

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]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 ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd279 -62.75,-63.667,-57.667,-61.983 1994-01-01T00:00:00Z 1997-12-31T00:00:00Z 2010-12-28T05:00:00Z

In the South Shetland Islands the investigators found eight active rock glaciers, no relict or fossil examples, and seven protalus ramparts. The rock glaciers are located on peninsulas and capes of ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ggd221 160.0,-78.0,164.0,-77.2 1975-01-01T00:00:00Z 1987-12-31T00:00:00Z 2010-12-28T05:00:00Z

The University of Wisconsin Antarctic Soils Database contains data collected by Dr. James G. Bockheim and his colleagues from 1975 through 1987. Data include site information, air and soil temperature ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]G01175 -180.0,-90.0,180.0,90.0 2010-12-23T05:00:00Z

The Circumpolar Active-Layer Permafrost System (CAPS) CD-ROM contains data sets and information products pertaining to permafrost and frozen ground topics. CAPS was originally compiled by the International ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]sletten_0541054 162.2335,-77.7391,163.7015,-77.5047 2010-10-08T04:00:00Z

The is a summary of soils sampled in Taylor Valley, Antarctica. The soils are described and analyzed for salt content and texture. Some soils are dated by OSL.

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K064_2008_2010_NZ_1 163.9167,-78.0833,163.0,-78.0164.4474,-77.9054,164.4474,-77.9054 2008-11-08T00:00:00Z 2010-02-04T00:00:00Z 2010-09-20T04:00:00Z

The aim of this study was to develop an understanding of the interactions between glaciers and their permafrost beds that will permit models of glaciers to realistically parameterise ice motion. Improvement ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K072_2008_2010_NZ_1 156.7814,-79.9172,163.1293,-77.6566162.4093,-77.73227,163.12521,-77.65465 2008-12-17T00:00:00Z 2009-01-27T00:00:00Z 2009-12-16T00:00:00Z 2010-01-25T00:00:00Z 2010-09-20T04:00:00Z

This study aimed to understand the origin and dynamics of pedogenic carbonate in Antarctic soils, with a long-term view to understanding the formation of carbonate and the storage and turnover of ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K066_2009_2010_NZ_1 162.5254,-77.0163,162.467,-77.0065 2010-01-15T00:00:00Z 2010-01-27T00:00:00Z 2010-09-20T04:00:00Z

The aim of this study was to determine aspects of the environmental physiology and phylogeography of Antarctic terrestrial invertebrates. Soil samples were collected from Granite Harbour for geochemical ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]UW_Dry_Valley_Datalogging 2010-07-09T04:00:00Z

The data set contains microclimate and soil temperature data at 5 sites in the MCM Dry Valleys.

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]B268_hydrol_margins_dvs_proj 161.6,-77.75,163.33,-77.4 2005-01-05T00:00:00Z 2007-06-30T00:00:00Z 2010-07-07T04:00:00Z

In this field research project, we investigated the soil hydrology, biogeochemistry, and microbial ecology along hydrologic gradients in soils adjacent to streams and lakes in Wright and Taylor Valleys. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]McMurdo_Ice_Temps -168.0,-78.0,-164.0,-77.0 1996-06-01T00:00:00Z 2004-02-01T00:00:00Z 2010-07-07T04:00:00Z

Metadata for ice temperatures and ice core properties collected in McMurdo Sound, Antarctica as part of the project "Measurements and Improved Parameterization of the Thermal ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]Bao-Marchant_MDV_high-resolution_soil_ions 160.0,-78.0,164.0,-77.3333 2010-07-02T04:00:00Z

The Bao-Marchant data set is a high-resolution (vertical) concentrations and stable isotope compositions for water-soluble anions and cations form various soils in the MDV. Each soil samples ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ANT-0739700_BU-054-004 160.0,-78.5,164.5,-76.5 2010-07-02T04:00:00Z

This project studies the last vestiges of life in Antarctica from exceptionally well-preserved fossils of tundra life--mosses, diatoms, ostracods, Nothofagus leaves, wood, and insect remains recently ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ANT-0440711_BU-054-003 160.0,-78.5,164.5,-76.5 2010-07-02T04:00:00Z

The data set includes fossil images,trace-element geochemical analyses of volcanic tephra, geochronologic data for Dry Valleys ashfall deposits, locations and description of soil pits in the Antarctic ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_1071_Loewe 65.0,-71.0,69.0,-68.0 2001-12-01T00:00:00Z 2004-03-01T00:00:00Z 2010-06-08T04:00:00Z

At Loewe Massif and Amery Oasis, samples were taken; --> for sediment analysis (XRF geochemistry and grain size) --> for geochronology (cosmogenic isotope analysis). ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[BAS_AEDC]GB-NERC-BAS-AEDC-00260 -68.35,-67.6,-36.48333,-54.28333 2002-01-01T00:00:00Z 2003-12-31T00:00:00Z 2010-04-27T04:00:00Z

Three plant species, the leafy liverwort Cephaloziella varians and the angiosperms Deschampsia antarctica and Colobanthus quitensis, were sampled from 12 islands across a 1480 km latitudinal gradient ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[BAS_AEDC]GB-NERC-BAS-AEDC-00262 -68.35,-67.6,-36.48333,-54.28333 2002-07-01T00:00:00Z 2005-06-30T00:00:00Z 2010-04-27T04:00:00Z

This study investigated the status of dark septate ("DS") fungi in Antarctic plant and soil communities, with the aim of determining the abundance of DS fungi in plant roots and rhizoids, their taxonomic ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[BAS_AEDC]GB-NERC-BAS-AEDC-00002 -70.0,-74.25,165.0,-54.333 1976-01-01T00:00:00Z T00:00:00Z 2010-04-27T04:00:00Z

Automatic data loggers are often used to monitor environmental variables such as temperature (of air and soil), humidity, wind speed and radiation in microclimates where experimental or ecological ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K020_2008_2009_NZ_1 163.6076,-78.1605,164.4656,-77.9976 2008-11-07T00:00:00Z 2009-01-28T00:00:00Z 2010-02-23T05:00:00Z

The McMurdo Dry Valleys are the largest area of snow-free land in Antarctica. Managers ability to promote and protect these areas would benefit if we knew the biodiversity present and what controls ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K123_1999_2008_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,-77.416664 1999-01-04T00:00:00Z T00:00:00Z 2010-02-23T05:00:00Z

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]CNDP-ESP_GEOANT-UAM -83.3,-68.7,-44.3,-60.5 1991-12-30T00:00:00Z 2008-02-20T00:00:00Z 2009-09-23T04:00:00Z

In English: This dataset contains registered data on studies carried out by the research group on Geology from the University Autonoma of Madrid (GEOANT). Data about geomorphology, neotectonics, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CNDP-ESP_GEOANT-UAM_Geomorphology-Soils-Permafrost -68.1,-67.6,-44.3,-60.5 1991-12-30T00:00:00Z 2008-02-20T00:00:00Z 2009-09-23T04:00:00Z

In English: Data on geomorphology, soils and permafrost in the Antarctic Peninsula region from projects of the research group on geology of the University Autonoma of Madrid (GEOANT). General geomorphology, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_1071_Geomorphic_Map 66.0,-71.0,70.0,-70.0 2001-12-01T00:00:00Z 2004-01-11T00:00:00Z 2009-08-14T04:00:00Z

The data include a 1:10,000 scale map of the surfical glacial and periglacial features of the Amery Oasis, East Antarctica. Features currently include: areas covered by exposed bedrock, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K140_1997_2000_NZ_1 166.405,-77.142,166.405,-77.142 1997-11-03T00:00:00Z 2000-02-05T00:00:00Z 2009-05-11T04:00:00Z

The effect of temperature on the terrestrial arthropod fauna at Cape Bird was investigated. The work was carried out over three field season and the site was visited for three periods during each ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSF-ANT06-36629 160.7,-78.4,164.3,-77.8 2007-10-01T00:00:00Z 2008-09-30T00:00:00Z 2009-04-24T04:00:00Z

This project uses cosmogenic nuclide dating and LIDAR studies of surface roughness to understand weathering and landscape evolution in the Dry Valleys of Antarctica. The work focuses on two processes: ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[CANADA-CGDI]GTN-P_boreholes -180.0,-90.0,180.0,-62.83 2009-04-20T04:00:00Z

The Global Terrestrial Network for Permafrost (GTN-P) was initiated by the International Permafrost Association (IPA) to organize and manage ...