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Stability and tilting of regional water cycle over Tarim Basin

机译：塔里木盆地区域水循环的稳定性和倾斜性

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摘要

The Tarim Basin is located upwind of the Gobi Desert where individual deserts have expanded significantly during the last 50?years. In recent history, stable runoff in the Tarim Basin has been observed despite the Lop Nur dry up and dramatic water consumption shift from east to west. This regional water cycle stability is conceptually explained based on the relationship between precipitation and evapotranspiration. The water consumption imbalance is caused by human activities near the river sources, which tilts the humidity profile over the basin. As a result, more water vapour spills from the western part of the basin and causes precipitation to increase in adjacent areas. At the same time, the Westerlies carry the low humidity air mass out of the eastern part of the basin to make the downwind Gobi Desert and surrounding areas drier. Therefore, the observed wetting on the west and drying on the east of northwest China are coupled.
机译：塔里木盆地位于戈壁沙漠的上风，在过去的50年中，各个沙漠都在显着扩展。在最近的历史中，尽管罗布泊干dry并且耗水量从东到西转移，但塔里木盆地的径流却稳定。基于降水和蒸散量之间的关系从概念上解释了这种区域水循环的稳定性。耗水量失衡是由于河流源头附近的人类活动造成的，从而使流域的湿度曲线倾斜。结果，更多的水蒸气从流域西部溢出，导致附近地区的降水增加。同时，西风带低湿度空气团从盆地东部流出，使顺风戈壁沙漠和周边地区变得更干燥。因此，西北地区东部观测到的湿润与东部地区干燥有关。

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