The Effect of Mesoscale Mountains on Precipitation Horizontal and Vertical Distribution over South China

摘要

The first rainy season in South China is a unique climate phenomenon. It is hypothesized that the particular topographic characteristics (e.g. mesocale mountains) give rise to such a phenomenon. 10 years' Tropical Rainfall Measuring Mission (TRMM) precipitation radar (PR) data such as rainfall frequency and vertical profile regarding two different kinds of rainfalls (i.e. stratiform and convective rainfall) are comparatively considered. It is discovered that terrains play an important role in the determination of the occurrence and intensity of rainfall, even these almost neglected mesoscale mountains. The above is also confirmed by 6 years' Atmospheric Infrared Sounder (AIRS) temperature and humidity data.