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首页> 外文期刊>Earth Surface Processes and Landforms: The journal of the British Geomorphological Research Group >Linking hydrology and sediment dynamics of large alluvial rivers to landscape diversity in the Ganga dispersal system, India
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Linking hydrology and sediment dynamics of large alluvial rivers to landscape diversity in the Ganga dispersal system, India

机译：将大型冲积河流与沉积物动力学联系到印度甘瓜散席系统景观多样性

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摘要

Discharge and sediment load data for several stations along the Ganga River and its major tributaries in the western Ganga plains (WGP) for a period of similar to 30 years have been analysed to understand the hydrological characteristics and sediment dynamics. In terms of hydrology, the rivers are less flood-prone than believed, exceeding bankfull discharges less frequently than the expected 1.5 year return interval. This has been attributed to the rivers of this region occupying incised valleys formed in the Late Quaternary period. Rivers draining the WGP are supply-limited systems compared to those draining the eastern Ganga plains (EGP) which have been characterized as transport-limited systems. We suggest that such geomorphic diversity as a function of spatial variability in precipitation regime and hinterland geology has existed for at least the Late Quaternary period and they in turn influence the modern day hydrology of the river systems in a significant way. Copyright (C) 2016 John Wiley & Sons, Ltd.
机译：在甘河河沿着甘河河的几个站点和西部Ganga Plains（WGP）的主要支流的放电和沉积物负荷数据已经分析了与30年类似的时期，以了解水文特征和沉积物动态。在水文方面，河流易受普遍存在的洪水较小，超过银行的减少频率低于预期的1.5年返回间隔。这已归因于占该地区的河流，占据了在第四纪期内形成的切割谷。与那些排出的人被称为运输限制系统的河流，排出WGP的河流是供应限制的系统。我们认为，这种地貌多样性作为降水制度和腹地地质的空间变异性的函数，至少在第四纪时期，它们反过来以显着的方式影响河流系统的现代水文。版权所有（c）2016 John Wiley＆Sons，Ltd。

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