Global Change Master Directory gsfc-gcmduso@mail.nasa.gov 50 2013-05-24T09:53:30Z GCMD Search: [Keyword='trace metal'] http://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 3 0 http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ECA080 Contamination in sediment, bivalves and sponges of McMurdo Sound, Antarctica 2001-11-01T00:00:00Z 2002-02-29T00:00:00Z 2012-07-30T04:00:00Z This study examined the concentrations of total hydrocarbons (THC), polychlorinated biphenyls (PCB), polyaromatic hydrocarbons (PAH), and trace metals (Cu, Zn, Cd, Pb, Hg and As) in marine sediments ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]ECA062 Antarctic Ecosystem: environmental contamination 1990-01-01T00:00:00Z 2007-12-31T00:00:00Z 2012-07-12T04:00:00Z Although the remote continent of Antarctica is perceived as the symbol of the last great wilderness, the human presence in the Southern Ocean and the continent began in the early 1900s for hunting, ... http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]NIPR_JASE_10 Chemistry data of surface snow collected during the JASE traverse 2007/2008 25.0,-78.0,45.0,-69.0 2007-11-14T00:00:00Z 2008-01-29T00:00:00Z 2010-09-27T04:00:00Z Snow samples for chemistry purposes were collected every 10-km. Samples are for major ion analysis, stable isotope analysis and trace metal elements. Sampling was done from top 10-20 cm of the snow. ...