Relationship between soil surface roughness and hydraulic roughness coefficient on sloping farmland

• 作 者: Zi-cheng ZHEN Shu-qin HE Fa-qi
• 机 构: CollegeofResourcesandEnvironment,StateKeyLaboratoryofEarthSurfaceProcessesandResourceEcology,StateKe
• 出 处: 水科学与水工程：英文版
• 发表日期: 2012年2期
• 关键词: 表面粗糙度值 曼宁糙率系数 耕地土壤 水力 精确估计 降雨模拟 特性参数 地表糙度 soil hydraulics sloping farmland ＂ so
• 基金项目: The work was supported by the National Natural Science Foundation of China （Grant No. 40901138）, theProject of the State Key Laboratory of Earth Surface Processes and Resource Ecology （Grant No.2008-K

The soil surface roughness and hydraulic roughness coefficient are important hydraulic resistance characteristic parameters. Precisely estimating the hydraulic roughness coefficient is important to understanding mechanisms of overland flow. Four tillage p