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首页> 外文期刊>Current Science: A Fortnightly Journal of Research >Salinity change in the Hugli estuary: can glacial melting be related?
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Salinity change in the Hugli estuary: can glacial melting be related?

机译：休利河口盐度变化：冰川融化可以与之相关吗？

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摘要

This correspondence is a response to Mitra et. al. [See Current Science (2009) 97, 1445-1452] article which concluded that the chief reason for steady decrease in salinity at the mouth of Hugli estuary during 1980-2007 is due to the melting of the largest Indian glaciers, the Gangotri, that is retreating at an average rate of 23 m/year. However, not just the Gangotri glacier, but meltwater from a large part of the Himalaya finds its way into the Ganga, of which the Hugli is a tributary. Mitra et. al. also missed the point that the Hugli and the Ganga are no longer naturally connected. Thus, to account for the gradual decrease in salinity at the mouth of the Hugli, attention should be focused on the discharge of its west-bank tributaries; not to glacial meltwater or augmentation from Ganga. The are two other issues that Mitra et. al.'s article need be addressed: (1) it is not clearly explained that the two sampling areas are used in the study are hydrologically dissimilar; (2) sampling locality is situated close to the landward limit of the Matla river, which is 1.1 km wide at the point of sampling and 87 km north of the surface.
机译：这种对应是对Mitra等人的回应。等[参见 Current Science （2009）97，1445-1452]文章得出结论，1980-2007年期间，休利河口口盐度持续下降的主要原因是最大的冰山融化所致。印度冰川Gangotri以每年23 m的平均速度回缩。但是，不仅是甘戈特里冰川，而且喜马拉雅山大部分地区的融水也都进入了恒河，而胡利河是恒河的支流。 Mitra等。等还错过了休利族和恒河族之间不再自然联系的观点。因此，为解释休利河口盐度的逐渐降低，应将注意力集中在其西岸支流的排放上。而不是冰川融水或恒河的增加。这是Mitra等人提出的另外两个问题。 al。的文章需要解决：（1）尚不清楚该研究中使用的两个采样区域在水文上是不同的; （2）采样地点位于Matla河的陆上边界附近，该点在采样点处为1.1 km宽，在水面以北87 km处。

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