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农田灌溉模式下塔里木河流域地下水水位的变化分析──以塔里木河上游为例
Authors
王锋
赵成义
Publication date
1 January 2008
Publisher
Abstract
根据1997、2000年的监测资料,分析了塔里木河上游地下水水位的时空变化,反映了不同的土地利用方式对地下水水位的影响。在农田灌溉模式下,在垂直河道方向上地下水水位的变化受到塔里木河干流水位、农田灌溉和潜水蒸发的影响。沿河道的横切方向上地下水位的变化与距河道距离成正相关,但具有明显的滞后反应,其滞后时间随垂直河道的距离增加而增加。干流水位明显影响地下水的范围为3.5km。农田灌水使地下水水位在3、11月份明显抬升,也在7月份时对地下水水位产生影响,使其抬升。潜水蒸发量随地下水水位的升高而增加,使地下水水位变化趋于缓和
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Last time updated on 29/11/2016