Global Change Master Directory gsfc-gcmduso@mail.nasa.gov 50 2013-05-24T08:29:38Z http://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 43 0 http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]ASAC_1163_pyrosequencing 110.0,-67.0,111.0,-66.0158.861,-54.621,158.862,-54.62 2005-01-01T00:00:00Z 2011-12-31T00:00:00Z 2012-09-27T04:00:00Z

This dataset contains information obtained by pyrosequencing genomic DNA extracts from soil with PCR primers targeting the bacterial 16S gene (27F/519R) and fungal ITS region (ITS1/ITS4-B). The data ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ECA072 1997-01-01T00:00:00Z 1997-12-30T00:00:00Z 2012-07-30T04:00:00Z

Soil samples taken from excavated pits on traverses across New Zealand's Scott Base, Antarctica, were analysed for Ag, Al, As, Cd, Cr, Cu, Fe, Mn, Ni, Pb and Zn. The soils had high conductivity 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]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]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?[AADC]TVcleanup_2002-2004 110.532,-66.284,110.534,-66.282 2003-01-13T00:00:00Z 2004-02-05T00:00:00Z 2010-07-28T04:00:00Z

Chemical assessment data for selected heavy metals determined for the abandoned waste disposal site at Thala Valley, Casey Station, over two seasons (pre- and during cleanup). 2002-03 ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NSF-ANT03-38224 161.0,-78.0,164.0,-77.0 2004-12-01T00:00:00Z 2005-01-31T00:00:00Z 2005-12-01T00:00:00Z 2006-01-31T00:00:00Z 2010-07-09T04:00:00Z

This work will study cosmogenic isotope profiles of rock and sediment in the Dry Valleys of Antarctica to understand their origin. The results will provide important constraints on the history of ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]BO-318-O_mcmurdo 162.0,-78.0,167.0,-77.0 1999-10-15T00:00:00Z 2002-10-15T00:00:00Z 2010-07-07T04:00:00Z

This report summarizes the results of a study of the temporal and spatial scales of human disturbance at McMurdo Station, Antarctica. It represents the culmination of a series of international ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]Salt_Nd_and_Sr -180.0,-90.0,180.0,-62.83 2010-07-02T04:00:00Z

This dataset contains Neodymium (Nd) and Strontium (Sr) isotopic data from water soluble salts and associated host soils, cobbles, and surface volcanic deposits in the Dry Valleys of Antarctica ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ECA024 1998-01-01T00:00:00Z 1998-07-30T00:00:00Z 2010-06-30T04:00:00Z

This dataset reports the concentration of hexachlorobenzene (HCB), ?-, ?- and ?- 41 hexachlorocyclohexane (HCH) isomers, o,p'- and p,p'-isomers of DDT and 28 PCB congeners in eleven soil samples and ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ECA020 2010-06-30T04:00:00Z

Antarctic exploration and research have led to some significant although localized impacts on the environment. Human impacts Occur around current or past scientific research stations, typically located ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ECA025 1999-01-01T00:00:00Z 2001-12-30T00:00:00Z 2010-06-30T04:00:00Z

In this study were analyzed samples from McMurdo Station for PAH molecular and stable carbon isotopic compositions to discern the origins of contaminants in the area. Total PAH concentrations ranged ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ECA019 1997-01-01T00:00:00Z 1997-01-30T00:00:00Z 2010-06-30T04:00:00Z

Polycyclic aromatic hydrocarbons (PAHs) are a group of compounds that have attracted much attention over the past several years. The United States Environmental Protection Agency (USEPA) has identified ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ECA022 1998-11-01T00:00:00Z 1999-03-30T00:00:00Z 2010-06-22T04:00:00Z

This data set reports the measures of organo-chlorine pollutants in soils and mosses from Victoria Land. Total PCB concentration in mosses ranges between 23 and 34 ng g-1 dry wt. Previously reported ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ECA008 2005-01-01T00:00:00Z 2005-01-30T00:00:00Z 2010-05-10T04:00:00Z

PCBs, OC pesticides and PAHs in sediment samples were determined from James Ross Island. Sediment PCB concentrations ranged from 0.32 to 0.83 ng g-1, while they ranged from 0.14 to 0.76 ng g-1 for ...

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]K150_1959_2009_NZ_1 159.0,-90.0,170.0,-70.0 1959-01-01T00:00:00Z 2009-01-01T00:00:00Z 2010-02-23T05:00:00Z

Antarctic soils have been investigated in the Ross Sea Region for 50 years. The cumulative studies have resulted in a large literature base of knowledge on various subjects on the soils from various ...

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?[GCMD]NSF-ANT07-39702 -180.0,-90.0,180.0,-60.0 2008-06-01T00:00:00Z 2009-05-31T00:00:00Z 2009-06-02T04:00:00Z

This project uses Aster and Hyperion remote sensing data combined with field observations and laboratory analysis to map soils in the McMurdo Dry Valleys of Antarctica. The goal is to use mineral ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K009_1972_1973_NZ_1 160.0,-77.75,164.0,-77.25 1972-12-02T00:00:00Z 1973-01-19T00:00:00Z 2009-04-20T04:00:00Z

A geochemical reconnaisance of the salts in the Victoria Valley was undertaken in the 1972/73 season. A field camp was set up at Lake Vida and the area from Lake Vida to Lake Vaska, Lake Clarke and ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K009_1971_1972_NZ_2 161.5,-77.5333,161.5,-77.5333 1971-11-13T00:00:00Z 1972-01-07T00:00:00Z 2009-04-20T04:00:00Z

Two weeks were spent in the Wright Valley to survey suitable sites for boreholes to be put down as part of the International Drilling Programme. It was proposed to core the entire thickness of bottom ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K009_1973_1974_NZ_1 160.5,-77.8333,163.5,-77.25 1973-11-01T00:00:00Z 1974-02-01T00:00:00Z 2009-04-20T04:00:00Z

35 holes were drilled through the ice in the smaller western lobe of Lake Bonney and the bathymetry of the lake was determined. A further 52 holes were used for the eastern lobe bathymetry. Sediment ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K009_1974_1975_NZ_1 160.0,-80.5,160.0,-80.5 1974-11-01T00:00:00Z 1974-12-17T00:00:00Z 2009-04-20T04:00:00Z

Lake Wilson was examined to see if it contained permanent water. The thickness of the ice was described. 36 holes were drilled and the bathymetry was mapped. Surface sediment samples were collected ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K009_1973_1974_NZ_3 162.4167,-77.7167,162.4167,-77.7167161.6666,-77.5166,161.6666,-77.5166 1973-11-01T00:00:00Z 1974-02-01T00:00:00Z 2009-04-20T04:00:00Z

In the belief that geochemical techniques may assist to unravel the complexities of the Antarctic glacial moraine, a project was undertaken to investigate the concentrations of salts in the soils ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K009_1972_1973_NZ_4 161.6167,-77.7167,161.6167,-77.7167 1972-12-02T00:00:00Z 1973-01-19T00:00:00Z 2009-04-20T04:00:00Z

18 holes were drilled through the floating ice of Lake Joyce. The position of the holes were surveyed, the ice thickness and water depths were measured and the coring of the bottom sediments was ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K009_1972_1973_NZ_2 160.5,-77.5833,163.0,-77.4166 1972-12-02T00:00:00Z 1973-01-19T00:00:00Z 2009-04-20T04:00:00Z

Soil samples were collected and analysed from three profiles across the Wright Valley, to determine the abundance of sodium, magnesium, calcium, potassium, chloride and some minor elements in the ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K094_1995_1997_NZ_1 161.6666,-77.5166,161.6666,-77.5166 1995-11-27T00:00:00Z 1997-01-11T00:00:00Z 2009-03-27T04:00:00Z

Samples of water, phytoplankton, sediment, soil and bacterial mat were sampled from Lake Vanda and the old Vanda station site, in order to determine the fate of trace metal contaminants and their ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K150_1978_1979_NZ_1 158.0,-80.0,160.0,-79.0 1978-11-11T00:00:00Z 1978-11-24T00:00:00Z 2009-03-25T04:00:00Z

The soil on old surfaces (those exposed to weathering for long periods of time) and in particular the salt deposits expected to occur within these soils was investigated in the Darwin Glacier region ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K150_1982_1983_NZ_2 161.5,-77.6167,161.5,-77.6167 1983-01-22T00:00:00Z 1983-01-26T00:00:00Z 2009-03-25T04:00:00Z

Moraines in the Asgard Range were cored to look for buried soils and other evidence of ice movement at an earlier period in the history of the valley system. A posthole borer was used to drill holes ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K150_1972_1973_NZ_1 160.0,-85.0,175.0,-70.0 1988-01-04T00:00:00Z 1988-01-25T00:00:00Z 2009-03-25T04:00:00Z

The soils of the McMurdo Dry Valleys were examined by the NZ Soil Bureau as early as 1959 with an extensive survey of the Taylor Valley. Further areas of the Victoria Land Coast from as far south ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K150_1982_1983_NZ_1 159.0,-77.0,161.16,-76.5 1983-01-05T00:00:00Z 1983-01-26T00:00:00Z 1988-01-04T00:00:00Z 1988-01-25T00:00:00Z 2009-03-25T04:00:00Z

The soils north of the Mackay Glacier were investigated for their age and relationship to the glacial history of Antarctica. The main areas of field work were to the west of the Fry Glacier in the ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K150_1977_1978_NZ_1 160.5,-77.75,164.0,-77.25166.4,-77.6333,166.4,-77.6333166.15,-77.55,166.15,-77.55 1977-11-10T00:00:00Z 1977-12-12T00:00:00Z 2009-03-25T04:00:00Z

The soils on high level surfaces in Victoria Land were examined for evidence of deposition origin. The areas visited include New Harbour, the Wright Valley, several valleys in the Western Asgard Range, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K150_1979_1980_NZ_1 -90.0,-78.75,-75.0,-78.0 1979-12-12T00:00:00Z 1980-12-19T00:00:00Z 2009-03-25T04:00:00Z

The soil development in the Ellsworth Mountains was studied to investigate the distribution and chemistry of the salts within the soil, the nature of the chemical weathering processes in the soils, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K150_1987_1988_NZ_2 163.6167,-78.2333,163.6167,-78.2333165.4167,-78.1,165.4167,-78.1 1988-01-04T00:00:00Z 1988-01-25T00:00:00Z 2009-03-25T04:00:00Z

The properties of the soils in the Walcott Bay/Brown Peninsula area was investigated (i.e. degree of soil weathering, nutrient contents, etc) to help determine if this is a source area for materials ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]K105_1992_1993_NZ_2 163.2,-77.0333,163.2,-77.0333 1992-12-18T00:00:00Z 1993-01-07T00:00:00Z 2009-02-27T05:00:00Z

An assessment of the soils and vegetation patterns of the Cape Roberts area was conducted to determine existing conditions as reference sites for later determination of environmental impacts from ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]IHAT_CASEY05_06_MPH_SOIL_ECOTOX 110.0,-67.0,111.0,-66.0 2005-10-25T00:00:00Z 2006-03-27T00:00:00Z 2009-01-21T05:00:00Z

During the 2005-2006 austral summer, an extensive field season was conducted at the MPH site. Soil from the contaminated site was sampled at regular intervals over the course of the summer and an ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]151-92_01 -58.26,-62.08,-58.26,-62.08-58.54,-62.11,-58.54,-62.11-68.23,-67.11,-68.23,-67.11-59.4,-62.32,-59.4,-62.32-59.41,-62.3,-59.41,-62.3-61.21,-62.47,-61.21,-62.47 1993-01-14T00:00:00Z 1993-01-23T00:00:00Z 1994-02-03T00:00:00Z 1994-02-04T00:00:00Z 1995-01-06T00:00:00Z 1995-01-11T00:00:00Z 2009-01-21T05:00:00Z

In 21 places on the South Shetland Islands, that experience similar annual precipitation, the superficial concentration of Cs-137 was determined. For the determination of the distribution, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CDA_AR_PICTA-22-2004-GEOLOGY-LIVINGSTON-HALF_MOON -180.0,-90.0,180.0,-62.83 2008-12-22T05:00:00Z

ENGLISH Most of the geological features described for the South Shetlands are sustained on isolated and scattered information (except for King George Island). The goal expected in this project is ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]MI03_resp_nutrients_GC1 158.0,-54.0,159.0,-54.0 2003-01-01T00:00:00Z 2003-12-31T00:00:00Z 2008-04-10T04:00:00Z

Field samples were collected from the Main Power House at Macquarie Island - coordinates.... The soil sample used for the respirometer trial was made up as a composite of 8 cores, namely: MPH1, MPH3, ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[AADC]CRCnetBASE2000 62.0,-70.0,159.0,-54.0 2000-01-01T00:00:00Z T00:00:00Z 2008-04-10T04:00:00Z

Taken from the preface to the CD. &Physical-Chemical Properties and Environmental Fate& Handbook CRCnetBASE 2000 includes over 600 chemicals, a 20 percent increase from the previous version, which ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]KPDC-MD-2006-010 -59.0,-63.0,-58.0,-62.0 2006-08-29T04:00:00Z

This dataset contains geochemical information of soil samples from the Barton Peninsula, King George Islands. A total of 30 surface soil samples were collected from the uppermost active layer. Major ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CDA_AR-IPY-132_POLAR_BIOREM 2006-12-06T00:00:00Z 2008-04-30T00:00:00Z 2007-06-01T00:00:00Z 2008-08-30T00:00:00Z 2006-05-29T04:00:00Z

PROJECT CANADA #186 FOR IPY: WITH THE COLLABORATION OF FRANCE AND ARGENTINE SCIENTIST Arctic: June 2007 to August 2008 Antarctic: December 2006 to April 2008 Scientific ...