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Systems analysis of irrigation water management in Eastern Idaho. Research technical completion report, project B-018-IDA Item Info

A water management study on a 96, 000 acre irrigated tract in eastern Idaho was performed to develop techniques for regional water management studies and investigate alternatives for alleviating a high water table problem in the area. A complete water budget including irrigation diversions, system losses and wastes and crop consumptive use was determined. On farm water management practices, crop and property damage was determined. A finite difference digital aquifer model was developed to evaluate the response of the aquifer to changes in water management. The model which accommodates any type of aquifer boundary includes an automated calibration routine to adjust aquifer parameters to fit historical water table elevations. This routine is especially useful on aquifers with limited hydrogeological data. Results indicate that canal seepage and above average irrigation application rates are the main causes of the rise of up to 40 feet in water tables during the irrigation season. Alleviation of the problem could be achieved with a 20% or greater reduction in irrigation diversions or by lining of selected reaches of canals.

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Title:
Systems analysis of irrigation water management in Eastern Idaho. Research technical completion report, project B-018-IDA
Authors:
Brockway, C. E.; de Sonneville Jos
Date Created (ISO Standard):
1973-10
Description:
A water management study on a 96, 000 acre irrigated tract in eastern Idaho was performed to develop techniques for regional water management studies and investigate alternatives for alleviating a high water table problem in the area. A complete water budget including irrigation diversions, system losses and wastes and crop consumptive use was determined. On farm water management practices, crop and property damage was determined. A finite difference digital aquifer model was developed to evaluate the response of the aquifer to changes in water management. The model which accommodates any type of aquifer boundary includes an automated calibration routine to adjust aquifer parameters to fit historical water table elevations. This routine is especially useful on aquifers with limited hydrogeological data. Results indicate that canal seepage and above average irrigation application rates are the main causes of the rise of up to 40 feet in water tables during the irrigation season. Alleviation of the problem could be achieved with a 20% or greater reduction in irrigation diversions or by lining of selected reaches of canals.
Subjects:
water management water budget canal seepage
Location:
Snake River Fan
Latitude:
43.71
Longitude:
-111.82
Collection:
IWRRI
Series:
Water for Idaho
IWRRI number:
197306
Rights:
In copyright, educational use permitted. Educational use includes non-commercial reproduction of text and images in materials for teaching and research purposes. For other contexts beyond fair use, including digital reproduction, please contact the University of Idaho Library Special Collections and Archives Department at libspec@uidaho.edu. The University of Idaho Library is not liable for any violations of the law by users.
Publisher:
University of Idaho
Contributing Institution:
University of Idaho
Type:
Text
Format:
application/pdf
Cataloger:
wbv
Date Digitized:
2012

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Preferred Citation:
"Systems analysis of irrigation water management in Eastern Idaho. Research technical completion report, project B-018-IDA", Idaho Waters Digital Library, University of Idaho Library Digital Collections, https://www.lib.uidaho.edu/digital/iwdl/items/iwdl-197306.html
Rights
Rights:
In copyright, educational use permitted. Educational use includes non-commercial reproduction of text and images in materials for teaching and research purposes. For other contexts beyond fair use, including digital reproduction, please contact the University of Idaho Library Special Collections and Archives Department at libspec@uidaho.edu. The University of Idaho Library is not liable for any violations of the law by users.
Standardized Rights:
http://rightsstatements.org/vocab/InC-EDU/1.0/
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