SAHEL_NAFR
The SAHEL_NAFR was a program developed between the U.S. Geological Survey and U.S. Agency for International Development. This project aims to develope and test a near-real time monitoring procedure using satellite remote sensing and geographic information system technologies in grasshopper and locust control programs in West Africa. Inherent in this goal was the need to design and present information for use by decision makers responsible for grasshopper control. The underlying philosophy was to develop techniques that could be transferred to African institutions. The resulting data base is referred to as the Sahelian and NW Africa 14-Day NDVI Composites (SAHEL_NAFR)Center was identified as the appropriate organization for this process. AGRHYMET serves nine West African countries by providing data on agricultural, meteorological and hydrological conditions. As of May 1990, greenness map production at AGRHYMET has been operational. The extend of coverage is between 10 and 38 degrees North latitude and from 18 degrees West to 40 degrees East longitude. For more information, link to "http://edc.usgs.gov/glis/hyper/guide/sahel_nafr" [Summary provided by USGS]
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