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Spatial discretization of distributed hydrological response units for SWAT
作者: Ning, Jicai(1) ; Gao, Zhiqiang(1,2) ; Zhang, Wenjiang(3) ; Shi, Runhe(2) ; Gao, Wei(2)
通讯作者: Gao, Zhiqiang
产权排序: (1) Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, China ; (2) USDA UV-B Monitoring and Research Program, Natural Resource Ecology Laboratory, Colorado State University, Fort Collins ; CO, United States ; (3) State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, Sichuan, China
会议名称: Remote Sensing and Modeling of Ecosystems for Sustainability XI
会议主办者: The Society of Photo-Optical Instrumentation Engineers (SPIE)
会议日期: August 18, 2014 - August 20, 2014
会议地点: San Diego, CA, United states
会议录出版者: SPIE
会议录: Remote Sensing and Modeling of Ecosystems for Sustainability XI
出版日期: 2014
卷号: 9221
ISSN号: 0277-786X
ISBN号: 9781628412482
关键词: Land use ; Hydrological properties ; Hydrological response unit ; Runoff lags ; Semi distributed hydrological models ; Soil and water assessment tool ; Spatial discretizations ; SWAT ; Taihu Lake basin
英文摘要: The Soil and Water Assessment Tool (SWAT) is a well established eco-hydrologic model. For the semi-distributed hydrological model, Hydrological Response Units (HRUs) are the basic modeling units, which are defined by land use, soil and slope. Land surface patches within one Hydrological Response Units (HRUs) should bear identical hydrological properties (including land use, soil, slope and management) and thus have similar hydrological responses. However, it is difficult to determinate the spatial locations and to describe the interactions between different HRUs. This study proposed one schema to discretize HRUs for SWAT on the basis of generalized data input. Within a small watershed of Taihu Basin, the data of land use and soil were generalized for discretizing SWAT HRUs. The SWAT model was modified with the discretized HRUs. The resulted showed that the SWAT improved by discretization schema could be more sensitive the runoff lag process and thus achieved better simulation accuracy.
作者部门: 海岸带信息集成与综合管理实验室
DOI: 10.1117/12.2058303
文章类型: 会议论文
收录类别: EI
语种: 英语
Citation statistics:
内容类型: 会议论文
URI标识: http://ir.yic.ac.cn/handle/133337/8824
Appears in Collections:海岸带信息集成与综合管理实验室_会议论文

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Recommended Citation:
Ning, Jicai,Gao, Zhiqiang,Zhang, Wenjiang,et al. Spatial discretization of distributed hydrological response units for SWAT[C]. 见:Remote Sensing and Modeling of Ecosystems for Sustainability XI. San Diego, CA, United states. August 18, 2014 - August 20, 2014.
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