A method of computing daily values of soil moisture from climatic data is described and comparisons with measured soil moisture values are given. Because the soil moisture values are obtained from climatic data only, past values of soil moisture content, unavailable otherwise, can be determined for any place for which climatic data are available. A long record of soil moisture is computed for one locality and estimates of the probabilities of occurrence of different levels of soil moisture are made. Such estimates are essential in any realistic long range planning.

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Footnotes

* The research reported in this document has been made possible through support and sponsorship extended by the Geophysics Research Division of the Air Force Cambridge Research Center, under Contract No. AF19(604)-193. It is published for technical information only, and does not necessarily represent recommendations or conclusions of the sponsoring agency.