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What Is A Desert?
Approximately one-third of the Earth's land surface is desert, arid land with meager rainfall that supports only sparse vegetation and a limited population of people and animals. Deserts are also fragile environments. The misuse of these lands is a serious and growing problem in parts of our world. This web page, produced by the U.S. Geological Survey, describes how deserts are defined and classified. It features text, photographs, and a map showing the distribution of non-polar arid land.
Intended for grade levels:
  • High (9-12)
Type of resource:
  • Text:
    • Ref. material
Subject:
  • Climatology
  • Environmental science
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
Information presented on this website is considered public information (unless otherwise noted) and may be distributed or copied. Use of appropriate byline/photo/image credit is requested. We strongly recommend that USGS data be acquired directly from a USGS server and not through other sources that may change the data in some way. While USGS makes every effort to provide accurate and complete information, various data such as names, telephone numbers, etc. may change prior to updating. USGS welcomes suggestions on how to improve our home page and correct errors. USGS provides no warranty, expressed or implied, as to the accuracy, reliability or completeness of furnished data.
DLESE Catalog ID: NASA-Edmall-2488
Resource contact / Creator / Publisher:
Contributor: Kathie Watson
USGS