印度季风河流的环境流:亚穆纳河作为一个案例研究
Environmental flow for Monsoon Rivers in India: The Yamuna River as a case study
摘要:
我们考虑印度季风河流的流量,这将允许河流履行其所有的自然功能。印度河流总流量的80%是在季风期间,其余20%是在非季风期间。通过在德里的亚穆纳河进行案例研究,我们发现,至少有50%的处女季风(7月至9月)流量所需的全谱土壤颗粒在河流沉积物的运输。沿河漫滩含水层的充分补给需要类似的流量。对于非季风期(10月至6月),约60%的原始流量是必要的,以避免静水藻类的生长和支持河流生物多样性。
英文摘要:
We consider the flows of Monsoon Rivers in India that will permit the river to perform all its natural functions. About 80% of the total flow for Indian rivers is during the monsoon and the remaining 20% is during the non monsoon period. By carrying out a case study of the river Yamuna in Delhi we find that at least 50% of the virgin monsoon (July to September) flow is required for the transport of the full spectrum of soil particles in the river sediment. A similar flow is needed for adequate recharge of the floodplain aquifers along river. For the non monsoon period (October to June) about 60% of the virgin flow is necessary to avoid the growth of still water algae and to support river biodiversity.
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