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Title: Defining Desertification
Url: https://earthobservatory.nasa.gov/Features/Desertification/
Creator: Riebeek, Holli
Publisher: Goddard Space Flight Center
Description: This feature article from the National Aeronautics and Space Administration's Earth Observatory discusses the use of satellite imagery to evaluate desertification which is occurring in the Sahel, a region of central African savannah that forms the boundary between the Sahara Desert to the north and the wetter, more fertile regions to the south. Topics include the use of Very High Resolution Radiometer (VHRR) data, obtained from National Oceanic and Atmospheric Administration (NOAA) meteorological satellites, to develop a vegetation index, and exactly how the term 'desertification' should be defined in order to distinguish temporarily degraded land from that which has permanently lost productivity.
LC Classification: Geography. Anthropology. Recreation -- Atlases -- By region or country -- Eastern Hemisphere. Eurasia, Africa, etc. -- Africa -- General
Geography. Anthropology. Recreation -- Geography (General) -- Philosophy. Relation to other topics. Methodology -- Special methods -- Remote sensing
Geography. Anthropology. Recreation -- Physical geography -- Geomorphology. Landforms. Terrain -- Other natural landforms -- Deserts. Arid regions
History (General) -- Africa -- History of Africa -- Botswana. Bechuanaland -- Local history and description -- Provinces, regions, etc., A-Z -- Kalahari Desert
GEM Subject: Science -- Ecology
Science -- Earth science
Science -- Instructional issues
Social studies -- Geography
Key Concept: Geography -- Remote sensing
Ecology -- Deserts
Geography -- Desertification
Date Issued: 2010-11-08
Resource Type: Instructional Materials
Reading Materials
Science Materials
Text (DCMI Type Vocabulary)
Format: html
Audience: College/University Instructors
General Public
Higher Education
Professional Formation
Secondary Education
University First Cycle
Language: English
Access Rights: Free access
Source: DLESE
Full Record Views: 44
Resource URL Clicks: 2
Cumulative Rating: NOT YET RATED
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