淮河上游土地利用变化对次洪的影响  

Effects of land use change on flood events in upper reaches of Huaihe Basin

作　　者：陈芸芸[1,2] 宋耘[1,2] 李琼芳[1,2] 马俊超[1,2] 鞠彬[1,2] 曾明[1,2] 

机构地区：[1]河海大学水文水资源学院,江苏南京210098 [2]河海大学国际河流研究所,江苏南京210098

出　　处：《水资源保护》2016年第5期24-28,共5页Water Resources Protection

基　　金：国家自然科学基金(41171220);国家科技支撑计划课题(2012BAB03B03);水利部公益行业经费项目(201001069;201101052)

摘　　要：为了揭示不同土地利用模式下淮河流域产水响应规律、定量评价土地利用引起的淮河流域生态环境变化,以淮河上游大坡岭水文站以上流域为研究区,基于1990s和2000s的土地利用数据及气象、水文等数据,以0.5 h为时间步长,应用改进的新安江模型模拟次洪过程,并分析土地利用模式变化对次洪的影响。结果表明:在相同降水条件下,1990s到2000s的土地利用模式变化导致次洪的径流量、洪峰流量、径流模数、径流系数、地下径流比例均增加。In order to study different effects of land use patterns on runoff generation and quantitatively evaluate the influence of land use on the change of the ecological environment in the Huaihe Basin,we selected the Dapoling Hydrological Station in the upper reaches of the Huaihe Basin as the study area,and used the improved Xin ＇anjiang model to simulate the flood processes at a scale of half an hour based on land use,meteorological,and hydrological data from the 1990 s and the 2000 s. We also analyzed the influence of land use change on the flood events in the study area. The results show that,under constant conditions of precipitation,the runoff,peak discharge,runoff modulus,runoff coefficient,and groundwater runoff proportion all increased during the period from the 1990 s to the 2000 s.

关 键 词：淮河上游 土地利用变化 次洪径流 新安江模型 

分 类 号：P338.1[天文地球—水文科学]