Chapter
Apr 26, 2012
Converting KC Values between ETo and ETr
Authors: Atef Ghandour [email protected], Richard L. Snyder [email protected], Kent Frame [email protected], Simon Eching [email protected], Bekele Temesgen [email protected], and Baryohay Davidoff [email protected]Author Affiliations
Publication: World Environmental and Water Resource Congress 2006: Examining the Confluence of Environmental and Water Concerns
Abstract
The ASCE-EWRI recently published a report on the estimation of reference evapotranspiration for short canopies (ETo) and tall canopies (ETr) using a modified Penman-Monteith equation. Currently, another EWRI committee is developing crop coefficient (Kc) values to estimate crop evapotranspiration by multiplying by either ETo or ETr. Most crop coefficients were developed using either ETo or ETr, and, because the relationship between ETo and ETr varies with microclimate, it is difficult to convert crop coefficients from one reference surface to the other. In this paper, a simple method to convert between ETo and ETr and between the corresponding Kco and Kcr factors is discussed.
Get full access to this chapter
View all available purchase options and get full access to this chapter.
Information & Authors
Information
Published In
Copyright
© 2006 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
Permissions
Request permissions for this article.
ASCE Technical Topics:
Authors
Affiliations
Agricultural Engineering Research Institute, Giza, Egypt. E-mail: [email protected]
University of California, Department of Land, Air and Water Resources, Davis, California. E-mail: [email protected]
California Department of Water Resources, Office of Water Use Efficiency, Sacramento, California. E-mail: [email protected]
California Department of Water Resources, Office of Water Use Efficiency, Sacramento, California. E-mail: [email protected]
California Department of Water Resources, Office of Water Use Efficiency, Sacramento, California. E-mail: [email protected]
California Department of Water Resources, Office of Water Use Efficiency, Sacramento, California. E-mail: [email protected]
Metrics & Citations
Metrics
Citations
Download citation
If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download.
View Options
Get Access
Access content
Please select your options to get access
Log in/Register
Log in via your institution (Shibboleth)
ASCE Members:
Please log in to see member pricing
Purchase
Save for later Item saved, go to cart Information on ASCE Library Cards
ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Get Access
Access content
Please select your options to get access
Log in/Register
Log in via your institution (Shibboleth)
ASCE Members:
Please log in to see member pricing
Purchase
Save for later Item saved, go to cart Information on ASCE Library Cards
ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.