A physical model demonstrating critical zone structure and flow processes in headwaters

A physical model demonstrating critical zone structure and flow processes in headwatersXuhui Shen1,2, Jintao Liu1,2*, Wanjie Wang2, Xiaole Han1,3, Jie Zhang2, Guofang Li2, Xiaopeng Li4, and Yue Shi2___________________1 State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China2 College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China3 School of Earth Sciences and Engineering, Hohai University, Nanjing 211100, China4 Institute of Soil Science, Chinese Academy of Sciences, Nanjing, Jiangsu 210008, China___________________*Corresponding author: Jintao Liu. Tel.: +86-025-83787803; Fax: +86-025-83786606.Running head: A physical model demonstrating critical zone structure in headwaterKeywords: Physical model; Hydrologic processes; Critical zone structures; Artificial soil