safe yield

safe yield

[′sāf ′yēld]
(civil engineering)
The maximum dependable draft that can be made continuously upon a source of water supply over a given period of time during which the probable driest period, and therefore period of greatest deficiency in water supply, is likely to occur.
References in periodicals archive ?
If we look at the history of groundwater exploitation in Bahrain, we have exceeded the safe yield level - the amount of water that can be withdrawn from an aquifer without significant ecological impacts," said Dr Zubari.
People want to buy safe yield, global capital is still pouring into the U.
The regulations contain many components including new safe yield methodology, biological categorization of rivers based on certain fish species, stream-flow criteria and requirements for minimization of existing impact of water supplies in flow depleted watersheds.
The models "verify what the ASWCC has said for years--that we are withdrawing groundwater at a rate which is above the safe yield of the aquifers in eastern and southern Arkansas," said Randy Young, ASWCC director "The good news is that these models provide us with the tools to evaluate the safe yield of these aquifers and consider the alternative groundwater protection scenarios.
The best safe yield I could find for you on a monthly income account is 4pc,from Citibank's e-saver scheme.
The group is a solid performer and shares at 620p are a safe yield of 4 per cent.
The group is a solid performer and the shares, at 620p, are useful for investors looking for a safe yield of 4pc.
In addition, the treatment train may also be used to filter the flood over-flow from the First District surface water supply reservoirs to enhance the overall system safe yield.
The Western Aquifer System, which is the largest, has a safe yield of 360 MCM per year (of which 40 MCM brackish).
The Libyan project raises the issue of the safe yield of a groundwater deposit, especially one about which basic information is lacking.
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