Impact of Climate Change on the Snow Hydrology of Koshi River Basin
作者: A. Khadka L. P. Devkota R. B. Kayastha
刊名: Journal of Hydrology and Meteorology, 2015, Vol.9 (1)
来源数据库: Society of Hydrologists and Meteorologists – Nepal
关键词: Climate changeSnow hydrologyDegree day factorKoshi BasinSRM Modeling
原始语种摘要: Koshi river basin which is one of the largest river basins of Nepal has its headwaters in the northern Himalayan region of the country covered with perennial snow and glaciers. Increased warming due to climate change is most likely to impact snowpack of this Himalayan region. Snowmelt Runoff Model, a degree day based method, was used in this study to assess the snowmelt hydrology of the five sub-basins, viz. Tamor, Arun, Dudhkoshi, Tamakoshi and Sunkoshi of the Koshi river basin, with and without climate change impacts. The model has been fairly able to simulate the flow. Daily bias-corrected RCM data of PRECIS-ECHAM05 and PRECIS-HadCM3 for the period of 2041-2060 were used for future projection. A period of 2000-2008 was set as baseline period to evaluate changes in future flow. In...
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关键词翻译
关键词翻译
  • climate 气候
  • PRECIS PREserved Context Index System
  • Basin 水池
  • snowmelt 融雪水
  • likely 大概
  • annual 年刊
  • warming 加温
  • headwaters 上游
  • change 变化
  • river