Estimation of water provision service for monsoon catchments of South China: Applicability of the InVEST model

•Water provisioning has been quantified in a typical East Asian monsoon catchment.•Successful application of the InVEST model in an East Asian monsoon catchment.•The revised Morris sensitivity indexes of InVEST model was obtained.•Precipitation needs to be precisely mapped for using in the InVEST model.•Two effective methods of setting the climate seasonality factor Z are recommended.