Drought Tip: Fog Contribution to Crop Water Use

Publication Number: 8532

Length: 4 pp.

Language: English

ISBN-13: 978-1-60107-928-2

DOI: 10.3733/ucanr.8532

Author: RICHARD L. SNYDER

Inventory Type: PDF File

As fog passes through a crop, some of the water is intercepted by and coats the plant, much like light rainfall. This publication will show you how to make an estimate fog contribution to crop water use using daily evapotransipration data.

Drought Tip: Fog Contribution to Crop Water Use

As fog passes through a crop, some of the water is intercepted by and coats the plant, much like light rainfall. In fact, the fog contribution to crop water use should be considered effective rainfall. In some regions, fog interception by crops can be appreciable and should be taken into account in determining how much irrigation water is needed for a crop.

No known scientifically based method exists to measure fog contribution to crop water use, but this publication shows how an estimate of fog contribution can be made from the daily evapotranspiration rate and from the time of day that fog interception dries from the crop.

This free publication is available by download.

Part of a series of Drought Tips written and produced by the University of California Division of Agriculture and Natural Resources under an agreement with the California Department of Water Resources.

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Drought Tip: Fog Contribution to Crop Water Use

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