Abstract:
Doublecycle infiltrator method was used to quantitatively measure the soil infiltration capacity of main park greenbelt in Kunming. The results indicated that the soil of park greenbelt in Kunming is mainly light clay and clay. The soil infiltration capacity of all the park greenbelts was good. The steady infiltration rate was between 034-141mm·min-1 and the average value was 083mm·min-1. 1h average cumulative infiltration rate was 6309mm under the condition of no rain and no water in continuous 72h. The infiltration capability of arborshrubgrass compound greenbelt was better than arborgrass and shrubgrass greenbelt, and the one of Natural greenbelt park was better than artificial vegetation on backfill. Fitting comparison with the commonly used infiltration model proved that a common empirical infiltration model described the best suited performance on the infiltrating processes in the main greenbelt in Kuming, followed by the Kostiakov model , and Horton model. Fitting result has no obvious difference between the last two models and the common empirical infiltration model. Philip model was not suitable for simulating.