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The Enigma of Drought-A Challenge for Terrestrial and Extra Terrestrial Research

  • Jerome Namias

Abstract

The term drought has never been given a quantitative definition acceptable to everyone. In loose terms it is an extended period characterized by lack of precipitation, the consequence of which is generally reflected in some important phase of the changing economy. Under this definition dry spells in areas at times when little or no rain normally falls are not considered drought periods, and the anomalous character of precipitation is an important part of the definition. It is this phase of the subject which shall be discussed in this article with particular emphasis on the departures of precipitation from long-term normals (the climatic anomalies of precipitation) as they relate to the atmosphere’s broad-scale or general circulation.

Keywords

Climatic Fluctuation Climatic Anomaly Irregular Variation Dust Bowl Drought Area 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© D. Reidel Publishing Company, Dordrecht, Holland 1979

Authors and Affiliations

  • Jerome Namias
    • 1
  1. 1.Scripps Institution of OceanographyUniversity of California, San DiegoLa JollaUSA

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