基于SWAT-CUP与GIS的母猪河流域径流时空分布特征研究
首发时间:2014-03-10
摘要:利用分布式水文模型SWAT模型和自动参数率工具SWAT-CUP,利用GIS及其空间分析方法,对威海母猪河流域径流时空分布特征进行研究,结果表明母猪河流域径流时空分布很不均,流域径流主要集中在7~9月,7月达到最高值,其他月份径流较低,年均径流深为268.35mm;径流主要分布于流域中西部和东北部界石镇、米山镇和文登营镇,南部平原区海滨径流相对较小;分析比较流域内英武河、山马河、张格河等10条主要河段径流,结果表明,各河段集水流域径流强度差异不大,其中五道河和楚岘河位于文登市海拔最高的昆嵛山区,海拔约890米,径流模数相对较高,分别为10.249(10-3m3/km2),10.087(10-3m3/km2),表明高海拔地区径流能力较强。在制定防洪保水措施时,应着重考虑五道河与楚岘河的影响。
关键词: 径流时空分布 母猪和流域 SWAT模型 SWAT-CUP GIS
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STUDY ON THE SPATIAL AND TEMPORAL DISTRIBUTION OF THE RUNOFF IN THE MU ZHU RIVER BASIN BASED ON SWAT-CUP AND GIS
Abstract:Using distributed hydrological model SWAT model and automatic parameter calibration software SWAT-CUP, using GIS with the spatial analysis methods , study on the spaitial and temporal distribution of the runoff in the Mu Zhu River basin in Weihai.The results show that the Mu Zhu River basin runoff in time and space are not equally distributed, the runoff mainly concentrated in July,August and September, peaked in July, and the other months are low. An average annual runoff depth in Mu Zhu River is 268.35mm; the runoff is mainly distributed in the basin's midwest and northeast Jieshi town, Mishan town and Wen Dengying town, but the southern coastal plain's runoff is relatively less; Analysis and comparison in the 10 main rivers' runoff in the Mu Zhu River basin,such as Ying Wu River, Shan Ma River, and Zhang Ge River. It turned out that runoff intensity in the different rivers is not very. Both Wu Dao River and Chu Xian River are located in the highest altitude Kun Yu Mountain in Wendeng city,about 890 meters,their runoff modulus are relatively high, are 10.249 (10-3m3/km2) and 10.087 (10-3m3/km2), which show that the runoff ability in high altitude area is more stronger. When making water retentionand the flood control measures, Wu Dao River and Chu Xian River should be considered especially.
Keywords: The spatial and temporal distribution of the runoff Mu Zhu River basin SWAT model SWAT-CUP GIS
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No.4586745959489139****
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