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首页> 外文期刊>The Kasetsart Journal >Effects of Land Cover Change and Large Reservoir Operation on Water Balance of the Chao Phraya River Basin
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Effects of Land Cover Change and Large Reservoir Operation on Water Balance of the Chao Phraya River Basin

机译：湄南河流域土地覆盖变化和大型水库调度对水量平衡的影响

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摘要

Periodical and log-term annual water balance of the Chao Phraya river basin and its tributaries were determined by water balance equation using data on annual basin rainfall and runoff during 1954 to 1993 observed by Meteorological Department and Royal Irrigation Department. Land cover change data during the investigation period were provided by Royal Forest Department and Land Development Department with those recorded by the Office of Agricultural Economic. The results revealed that mean Annual rainfall of the Chao Phraya basin ranged between 1,034-1,893 mm and potentially declined with Decreasing forest area from 67/100 in 1961 to 37/100 in 1993 and insignificant difference in the entire Chao Phraya basin and its sub-basins.
机译：湄南河流域及其支流的定期和对数年年度水平衡是通过水平衡方程，使用气象部门和皇家灌溉部门观测到的1954年至1993年流域年降雨量和径流数据确定的。调查期间的土地覆被变化数据由皇家森林部和土地开发部提供，并由农业经济办公室提供。结果表明，湄南河流域的年平均降雨量在1,034-1,893毫米之间，并且可能随着森林面积的减少而从1961年的67/100下降到1993年的37/100，并且整个湄南河流域及其下属地区的年均差异不大。盆地。

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