The Monsoon Asian region has a much wider rainfall distribution than other regions of the world. The countries in this region are characterized mostly by floods and typhoons, which result from the interplay among the ocean, the atmosphere, and the land. Thus, many factors affect the strength of the rainfall, including sea surface temperatures in the Indian and Pacific Oceans, variations in solar output, land snow cover and soil moisture over the Asian continent, and the position and strength of prevailing winds. The links between these factors and monsoons appear to wax and wane over time, and the observational record is too short to explain this longer-term variability. Precipitation and surface wind maps of Asia during the summer months of June to August show the average spatial patterns of monsoon circulation and moisture.
Shaw, R., Nguyen, H., Habiba, U. and Takeuchi, Y. (2011), "Chapter 1 Overview and Characteristics of Asian Monsoon Drought", Shaw, R. and Nguyen, H. (Ed.) Droughts in Asian Monsoon Region (Community, Environment and Disaster Risk Management, Vol. 8), Emerald Group Publishing Limited, Bingley, pp. 1-24. https://doi.org/10.1108/S2040-7262(2011)0000008007
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