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Evaporation from Irrigated Agricultural Land in California

 Date: 2002
 Location: California
 Sponsors: CALFED and Agricultural Research Initiative-California University System
 Reports Available:   ITRC Report No. 02-001

 

ETo Zone Map

Evaporation Map

A 1 1/2-year research study addressed the question of the approximate magnitude of three forms of evaporation:

  • soil evaporation
  • wet foliage evaporation
  • spray loss from sprinklers

 

The stated intent of this research was to:

  1. Consolidate existing information on evaporation through literature reviews and interviews.
  2. Compute evaporation amounts for representative conditions in California and use those amounts to extrapolate information for the complete irrigation agricultural area of California.

 

This answers gained in this study represent a key piece of knowledge when defining the level of resources that should be committed to solving any problem.