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Irrigation Water Balance Fundamentals





ITRC Report No.

P 99-001



14 pages



Charles M. Burt



March 10, 1999 USCID conference on Benchmarking Irrigation System Performance Using Water Measurement and Water Balances. San Luis Obispo, CA.






Water balances are essential for making wise decisions regarding water conservation and water management.  The paper defines the essential ingredients of water balances, and distinguishes between farm and district-level balances.  An example of a hypothetical district-level balance is provided.  The importance of listing confidence intervals is highlighted.  Classic errors in water balance determination are noted.



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