Sun Jianhua, Zhao Sixiong. A Study of Mesoscale Convective Systems and Its Environmental Fields during the June 1994 Record Heavy Rainfall in South China Part Ⅱ: Effect of Physical Processes, Initial Environmental Fields and Topography on Meso-β Convective System[J]. Chinese Journal of Atmospheric Sciences, 2002, 26(5): 633-646. DOI: 10.3878/j.issn.1006-9895.2002.05.05