ABSTRACT
ABSTRACT: This paper studied the variability of the statistical structures of precipitation in Wuhan, China, by analyzing time series of annual and monthly precipitation of Wuhan station from the period 1951 to 2012. Mann-Kendall test and Precipitation Concentration Degree (PCD) were used to detect precipitation concentrations and the characteristics of variation. The results show that no significant trend of annual precipitation was found, but the number of annual precipitation days was significantly reduced at the 0.05 significance level. Annual PCD of Wuhan shows an increasing trend but not significant, which was mainly attributed to the increasing proportion of the flood season precipitation in the annual precipitation, especially in July. While the proportion of precipitation in the non-food season decreases, especially in March. This research seeks to contribute to the study of the hydrology of a catchment in order to ensure sustainable water resource management.
1 INTRODUCTION
