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首页> 外文期刊>Current Science: A Fortnightly Journal of Research >Reliable natural recharge estimates in granitic terrain.
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Reliable natural recharge estimates in granitic terrain.

机译：花岗岩地形中可靠的自然补给估算。

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摘要

The average natural recharge to the aquifer of Kongal river basin located in Nalgonda district, Andhra Pradesh, India due to the monsoons was estimated using injected tritium technique at a few selected sites. Kriging and Thiessen Polygon methods were employed to interpolate recharge estimates and arrive at more realistic values. The estimate was made from the spatial distribution of recharge values. The spatial distribution of recharge values was derived from 25 site-specific measurements. The quantum of groundwater recharge through vertical infiltration was estimated as 27.5 and 30.0 mm (litre-2) by Kriging and Thiessen polygon methods, respectively; a value of 25.0 mm (litre-2) was recorded using average recharge values in the area. The total rainfall during the corresponding period was 566.67 mm (litre-2) and thus the fractional amount of recharge was 5% of the rainfall.
机译：在一些选定的地点使用注入tri技术估算了由于季风而导致的位于印度安得拉邦纳尔贡达地区的孔加尔河流域含水层的平均自然补给量。使用Kriging和Thiessen多边形方法对补给估算值进行插值，得出更现实的值。该估算是根据补给值的空间分布进行的。补给值的空间分布来自25个特定地点的测量值。通过克里格（Kriging）法和蒂森（Thiessen）多边形方法，通过垂直渗透的地下水补给量分别为27.5和30.0毫米（升2）。使用该区域的平均补给值记录了25.0毫米（升2）的值。相应时期的总降雨量为566.67毫米（升2），因此补给量的一部分为降雨量的5％。

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