+ Visit NASA.gov + Contact NASA   + Home Select Search Field * All Report - Patent Number Abstract *Accession Number *NASA Center *Author NameDocument IDKeywordsPublication Date *Title * Find Results With All of the words At least one of the words Enter Search Term  within returned results    Search Tips: Use only the fields with * to search NIX collection. Enclose terms in double quotation marks (") to search for exact phrases, ie: "space shuttle". NOTE: Commas and dashes are removed from search term by search engine. Select Reset Search button to start a new search. See Help for more tips. + NASA Center + Publication Year + Subject + Availability Options + Item/Media Type Selected Navigations: Author > Sheffner, Edwin J. [x] Sort results by: NASA Center | Date Added to NTRS | Publication Year There are a total of 4 record(s) matching your query. Sorted by: Date Added To NTRS in Descending order NASA Overview Author(s): Sheffner, Edwin J. Abstract: The Earth Science Division supports research projects that exploit the observations and measurements acquired by NASA Earth Observing missions and Applied Sciences projects that extend NASA research to the broader user ... NASA Center: Stennis Space Center Publication Year: 2007 Added to NTRS: 2007-12-27 Document ID: 20070038220 Using Satellite Data To Map Crops Author(s): Hlavka, Christine A.; Sheffner, Edwin J. Abstract: Report describes 4-year cooperative project to develop procedures for mapping land used to grow major crops in California. Participants used images and data from Landsat Earth-observing satellite as well as ground survey ... NASA Center: Ames Research Center Publication Year: 1992 Added to NTRS: 2005-09-30 Accession Number: 92B10198; Document ID: 19920000198; Report Number: ARC-12580 The California Cooperative Remote Sensing Project Author(s): Hlavka, Christine A.; Sheffner, Edwin J. Abstract: The USDA, the California Department of Water Resources (CDWR), the Remote Sensing Research Program of the University of California (UCB) and NASA have completed a 4-yr cooperative project on the use of remote sensing in ... NASA Center: Ames Research Center Publication Year: 1988 Added to NTRS: 2005-08-25 Accession Number: 89N13824; Document ID: 19890004453; Report Number: A-88105, NAS 1.15:100073, NASA-TM-100073 A Military Database and its Applicability to Earth Science Research Author(s): Angelici, Gary L.; Sheffner, Edwin J. Abstract: In the 1980's, the United States Air Force developed a database of collected and generated data for the conterminous United States, with emphasis on the western portion of the country. The 180 gigabyte GMIS (Geographical ... NASA Center: Ames Research Center, Johnson Space Center Publication Year: 1993 Added to NTRS: 2005-08-25 Accession Number: 97N71793; Document ID: 19970019002; Report Number: NAS 1.15:112396, NASA-TM-112396 + Back to Top + Sponsored by the NASA Scientific and Technical    Information Program + 2004 Vision for Space Exploration + Freedom of Information Act + NASA Web Privacy Policy and Important Notices + NASA Disclaimers, Copyright Notice,    and Terms and Conditions of Use NASA Official: Calvin Mackey Page Curator: NASA Center for AeroSpace Information (help@sti.nasa.gov) Last Updated: July 5, 2007