塔里木河下游输水过程的分析与模拟

Analyses and simulations of the water transfer from the lower Tarim River

塔里木河下游已经干涸断流多年,其"绿色走廊"濒临消失。自2000年5月至2001年11月,先后3次实施向塔里木河下游输水,使下游的水文状况得到了改善,生态得到了一定程度恢复。根据塔里木河下游3次应急输水的有关资料,在输水过程的分析与模拟方面进行了研究,重点是第2次输水过程的分析模拟。从流量沿程损失率及水头前进速度出发,模拟了历次输水的流量沿程分布、输水距离、输水历时及输水水量,为评价输水的水文效应及选择适当的输水方案提供了初步依据。

The lower Tarim River has dried up for many years, resulting in the deterioration even disappearing of the Green Corridor. From May of 2000 to November of 2001, three times water transfers have been undertaken to improve the local hydrological situation and resumed the local ecological environment. Based on the loss rate of the flux and the velocity of the river water, the hydrologic factors, such as the flux, the distance, the time and the water quantity, have been simulated for all three water transfers, mainly for the second. The analyses and simulations are helpful to evaluate the hydrological effects and to choose the proper water-transfer plan. Although the study was mainly focused on the water transfer, it has close relationship with the eco-hydrological research on the lower Tarim River.