yield: (1) Specific yield of aquifers, an estimation. The volume of water that can be drained by gravity from the pores of sand, gravel, soil, or rock divided by the total volume of material and expressed as a fraction or percent. GWAC. There are different ways to estimate specific yield. This is the method to be used accepted by the Colorado legislature in Senate Bill 5. See Senate Bill 5, capillarity, buoyancy, drainage and recovery factor. See also equity and equity determination.
(2)The volume of water diverted by a water right. Yield may be expressed as an average for a period of years (average yield) or as the yield of one selected year representing the lowest or critical amount of water provided (critical year yield). Yield also may refer to diversion at the headgate (headgate yield) or at the farm turnout where it is applied to irrigation (farm yield). The difference between headgate yield and farm yield is the amount of water lost to seepage and other causes related to the conveyance of water through the ditch.
(3) See also safe yield.
Compiled and Edited by Robert C. Ransom
Terms Beginning With:
Please click on the bold text to follow related terms and expressions. Use your browser's "back" button to return to your previous page.
