Climate Characteristics of Continuous Overcast and Rainy over last 53 Years in Beijing-Tianjin-Hebei Area During Cotton Growing Period
AN Yue-gai,LIN Yan(Hebei Provincial Key Lab for Meteorology and Eco-Environment/Meteorological Bureau of Hebei Province,Shijianzhuang 050021,China)
Chinese Journal of Agrometeorology . 2008, (03): 375 -378 .