利用SWAT水文模型对大规模集水区的流量和产沙量进行校准方法的潜在评估

IF 2.8 3区 环境科学与生态学 Q2 WATER RESOURCES
Wasu Manawko Tefera, K. S. Kasiviswanathan
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引用次数: 0

摘要

摘要:本研究探讨了单站点、多站点和多站点-多变量三种校准方法在利用水土评估工具(SWAT)模拟上青尼罗河(UBN)流域的流量和产沙量方面的潜力。利用几个统计指标来验证SWAT模型的性能。虽然这三种方法都能合理地估算径流和产沙量,但多站点校准方法在处理参数的空间变异性及其对整个流域径流和产沙量的影响方面表现得更好。此外,对选定地点的水电潜力进行了评价,以证明校准方法在规划和设计各种水资源结构中的重要性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Potential assessment of calibration approaches using the SWAT hydrological model for streamflow and sediment yield for a large-scale catchment
ABSTRACT This study explored the potential of three calibration approaches – single-site, multisite, and multisite–multivariable – to simulate the streamflow and sediment yield of the Upper Blue Nile (UBN) river basin using the Soil and Water Assessment Tool (SWAT). Several statistical indices were used to verify the SWAT model performance. While all three approaches reasonably estimate the streamflow and sediment yield, the multisite calibration approach was found to perform better in handling the spatial variability of parameters and their influence on streamflow and sediment yield over the entire catchment. Further, evaluations of hydropower potential at the selected location were conducted to demonstrate the importance of calibration approaches in planning and designing various water resource structures.
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来源期刊
CiteScore
6.60
自引率
11.40%
发文量
144
审稿时长
9.8 months
期刊介绍: Hydrological Sciences Journal is an international journal focused on hydrology and the relationship of water to atmospheric processes and climate. Hydrological Sciences Journal is the official journal of the International Association of Hydrological Sciences (IAHS). Hydrological Sciences Journal aims to provide a forum for original papers and for the exchange of information and views on significant developments in hydrology worldwide on subjects including: Hydrological cycle and processes Surface water Groundwater Water resource systems and management Geographical factors Earth and atmospheric processes Hydrological extremes and their impact Hydrological Sciences Journal offers a variety of formats for paper submission, including original articles, scientific notes, discussions, and rapid communications.
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