Influence of Climate Change on Jinsha River Main Stream Runoff

HOU Li-na

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China Rural Water and Hydropower ›› 2018 ›› (6) : 63-67.

Influence of Climate Change on Jinsha River Main Stream Runoff

  • HOU Li-na
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Abstract

Jinsha River is the important hydropower base of west China, and also the important water resources area for some water diversion project such as the water diversion for central area of Yunnan. Climate change is gradually changing the global water cycle status, and also impact the hydrological regime of Jinsha River. This study use RS hydrological model to simulate the hydrological process of Jinsha River basin, and set up the climate change scenarios based on the emission scenarios of IPCC’s 5th assessment report and GCM scenarios, in order to analysis the influence of climate change on Jinsha River main stream runoff in future. The results show that, in the future, the runoff of Jinsha River main stream will be increase, but the annual distribution of runoff will be more uneven; the runoff in flood season will increase and in non-flood season will decrease; in addition, the flow of Q10 will be increase and of Q90 will be decrease. The all results above will bring new challenges to the water resources application of Jinsha River main stream.

Key words

climate change / Jinsha River / main stream / runoff / influence

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HOU Li-na. Influence of Climate Change on Jinsha River Main Stream Runoff. China Rural Water and Hydropower. 2018, 0(6): 63-67

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