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DOI10.1007/s00704-024-04863-4
Integrated modeling for assessing climate change impacts on water resources and hydropower potential in the Himalayas
Baniya, Rupesh; Regmi, Ram Krishna; Talchabhadel, Rocky; Sharma, Sanjib; Panthi, Jeeban; Ghimire, Ganesh R.; Bista, Sunil; Thapa, Bhesh Raj; Pradhan, Ananta M. S.; Tamrakar, Jebin
发表日期2024
ISSN0177-798X
EISSN1434-4483
英文摘要Regional hydroclimatic variability and change can affect water resources and hydropower generation. It is essential to assess hydropower potential under current and future climatic conditions to inform the design and operation of hydropower infrastructures. Here, we employ an integrated modeling framework to assess the impact of projected hydroclimatic conditions on water resource systems and hydropower generation. The integrated framework samples climate model outputs under different scenarios to force a hydrologic model and produces streamflow projections. The projected streamflows are inputs for the future hydropower potential assessment. We implement the framework in the central Himalayan river basin. Our results demonstrate substantial spatiotemporal variability in different water balance components (precipitation, evapotranspiration, and water yield) under current and future climatic conditions. For the Himalayan Tila river basin, the annual average energy production is expected to increase under future hydroclimatic conditions (up to 39% in Tila-2 hydropower project, suggested by ensemble mean). This increase in energy is driven mainly by the increased streamflow projections, particularly during the dry season and in the late century. Our results highlight the impacts of hydroclimatic variability in hydropower productions and are of practical use to provide decision-relevant information for designing and operating hydropower infrastructures. The integrated modeling framework presented here is region-specific; however, the approach is reproducible, and the overall insights are generalizable across the Himalayan region.
语种英语
WOS研究方向Meteorology & Atmospheric Sciences
WOS类目Meteorology & Atmospheric Sciences
WOS记录号WOS:001150791900002
来源期刊THEORETICAL AND APPLIED CLIMATOLOGY (IF:2.72[JCR-2018],3.027[5-Year])
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/296597
作者单位Tribhuvan University; Institute of Engineering (IOE) - Nepal; Jackson State University; Howard University; Kansas State University; United States Department of Energy (DOE); Oak Ridge National Laboratory
推荐引用方式
GB/T 7714
Baniya, Rupesh,Regmi, Ram Krishna,Talchabhadel, Rocky,et al. Integrated modeling for assessing climate change impacts on water resources and hydropower potential in the Himalayas[J],2024.
APA Baniya, Rupesh.,Regmi, Ram Krishna.,Talchabhadel, Rocky.,Sharma, Sanjib.,Panthi, Jeeban.,...&Tamrakar, Jebin.(2024).Integrated modeling for assessing climate change impacts on water resources and hydropower potential in the Himalayas.THEORETICAL AND APPLIED CLIMATOLOGY.
MLA Baniya, Rupesh,et al."Integrated modeling for assessing climate change impacts on water resources and hydropower potential in the Himalayas".THEORETICAL AND APPLIED CLIMATOLOGY (2024).
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