Global Change Master Directory gsfc-gcmduso@mail.nasa.gov 50 2013-05-20T12:41:01Z http://mddemo.gsfc.nasa.gov/KeywordSearch/OpenSearch.do 4 0 http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]CIESIN_SEDAC_ENTRI_TEXTS_COL -180.0,-90.0,180.0,90.0 1940-10-12T00:00:00Z 2000-09-05T00:00:00Z 2012-09-28T04:00:00Z

The Socioeconomic Data and Applications Center (SEDAC) Collection of Treaty Texts consists of environmental treaty texts that are compiled in collaboration with the Columbia University Center for ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]USDA0187 -180.0,17.0,-66.0,72.0 1984-01-01T00:00:00Z 1993-12-31T00:00:00Z 2006-08-28T04:00:00Z

The purpose of this dataset is to provide the most up-to-date tillage information available. It is a database that contains 3,092 records that include information on common tillage practices (i.e. ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]USDA0374 -172.0,19.0,-67.0,76.0 1995-12-31T00:00:00Z 1999-01-01T00:00:00Z 2006-02-09T05:00:00Z

The National Soil Survey Center Databases support the National Cooperative Soil Survey. The primary purpose of these datasets is to support land use decisions, conservation planning activities, and ...

http://gcmd.gsfc.nasa.gov/getdif.htm?[GCMD]USDA0547 -177.1,13.71,-61.48,76.63 2005-09-19T04:00:00Z

The purpose of "Management of Soil, Water, and Nitrogen Resources to Protect Ground Water Quality" is to aid in the development of soil, water, and crop management practices to more effectively use ...