ABSTRACT
Due to the special geographical and topographic conditions of mountainous alpine areas, the hydro-meteorological monitoring stations are scarce, which makes the measured data less representative. In order to study the hydrological patterns in the plateau region where data are severely scarce, this paper compares and evaluates the consistency, detection capability and spatial and temporal characteristics of the measured precipitation and the multi-source precipitation datasets using the Naqu watershed on the Qinghai-Tibet Plateau, China as the study area. The results show that Multi-Source Weather (MSWX) and the China Meteorological Assimilation Driving Datasets (CMADS) are better than Global Precipitation Climatology (GPCP) and the Precipitation-PERSIANN Climate Data Record (PERSIANN-CDR), among which MSWX is the best. On the whole, MSWX shows better precipitation inversion accuracy in the Naqu Basin and has certain applicability. The distribution of precipitation in the Naqu Basin is relatively uneven among months, and the spatial distribution of annual precipitation in the multi-source precipitation datasets varies greatly.
