A new method to determine regional evapotranspiration

Mordeckai Magaritz; Aaron Kaufman; Michael Paul; Elisabetta Boaretto; George Hollos

doi:10.1029/WR026i008p01759

A new method to determine regional evapotranspiration

Mordeckai Magaritz^*
, Aaron Kaufman
, Michael Paul
, Elisabetta Boaretto
, George Hollos

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

A method is described whereby the chloride concentration and the ratio of ³⁶Cl to total chloride of a given water body are compared with those of precipitation to determine the fraction of the original precipitation which was lost by evapotranspiration before it reached that water body. This method was applied to 11 water sources in the upper Jordan River basin, and the evapotranspirative loss was generally found to be in the range 40–90%. This method, which is much simpler than the other methods for determining regional evapotranspiration, will enable us to monitor the changes in the hydrological cycle which are expected to result from the greenhouse effect.

Original language	English
Pages (from-to)	1759-1762
Number of pages	4
Journal	Water Resources Research
Volume	26
Issue number	8
DOIs	https://doi.org/10.1029/WR026i008p01759
State	Published - Aug 1990

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abstract = "A method is described whereby the chloride concentration and the ratio of 36Cl to total chloride of a given water body are compared with those of precipitation to determine the fraction of the original precipitation which was lost by evapotranspiration before it reached that water body. This method was applied to 11 water sources in the upper Jordan River basin, and the evapotranspirative loss was generally found to be in the range 40–90\%. This method, which is much simpler than the other methods for determining regional evapotranspiration, will enable us to monitor the changes in the hydrological cycle which are expected to result from the greenhouse effect.",

author = "Mordeckai Magaritz and Aaron Kaufman and Michael Paul and Elisabetta Boaretto and George Hollos",

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AU - Paul, Michael

AU - Boaretto, Elisabetta

AU - Hollos, George

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AB - A method is described whereby the chloride concentration and the ratio of 36Cl to total chloride of a given water body are compared with those of precipitation to determine the fraction of the original precipitation which was lost by evapotranspiration before it reached that water body. This method was applied to 11 water sources in the upper Jordan River basin, and the evapotranspirative loss was generally found to be in the range 40–90%. This method, which is much simpler than the other methods for determining regional evapotranspiration, will enable us to monitor the changes in the hydrological cycle which are expected to result from the greenhouse effect.

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A new method to determine regional evapotranspiration

Abstract

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