Comparison of infiltration characteristics of five typical plantations in Simian mountain of Chongqing
He Wenhua, Zhang Hongjiang, Cheng Jinhua, Wang Xian
1. College of Soil and Water Conservation, Beijing Forestry University, 100083, Beijing, China; 2. Forstry Ecological Engineering Research Center, Ministry of Education, 100083, Beijing,China
During June-July 2013, we investigated the soil permeability of five typical plantations, namely pure Cunninghamia lanceolata, C. lanceolata + Pinus massoniana, Schima superba + C. lanceolata + P. massoniana, S. superba + Cinnamomum camphora + Lithocarpus glaber + Liquidambar formosana, and S. superba + L. glaber plantations, with bicyclic infiltration method in Simian mountain of Chongqing City. Then we compared the results with those in 2008 which were obtained by using the same experimental method, in order to reveal the effect of the growth of plantation on forest hydrological function. Results indicated that: 1) The saturated soil-water holding capacity in mixed plantations was greater than that of the pure C. lanceolata plantation. Compared with 2008, such capacity in 2013 decreased by 11.76% in the pure C. lanceolata plantation, while it increased by 19.24% in the mixed coniferous plantation, 11.94% in the mixed broadleaf-conifer plantation, 17.98% in the mixed broadleaf-shrub plantation and 7.53% in the mixed broadleaf plantation. 2) In comparison with 2008 data, the initial rate of soil infiltration in 2013 in the above-mentioned plantations increased by 52.8%, 115.8%, 51.1%, 15.9% and 49.9%, respectively. 3) The Horton infiltration model has better simulation results than Kostiakov and Philip models for all the five typical plantations.
何文华1,2, 张洪江1,2, 程金花1,2, 王贤1. 重庆四面山5种人工林土壤入渗特性对比[J]. 中国水土保持科学, 2015, 13(2): 50-55.
He Wenhua, Zhang Hongjiang, Cheng Jinhua, Wang Xian. Comparison of infiltration characteristics of five typical plantations in Simian mountain of Chongqing. SSWCC, 2015, 13(2): 50-55.