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梅雨是每年春夏之交季节转换时期在我国长江中下游、江淮流域至日本南部一带,东亚大气环流中特有的阴雨天气现象。由于时值江南梅子成熟季节,所以称为“梅雨”或“黄梅雨”。梅雨期天气阴沉多雨,湿度大,光照少,易于细菌滋生,衣物、食品等物极易霉变,所以又称“霉雨”。 淮河流域在梅雨期前的5月中旬开始,有历时半月左右的阴雨天气,称为“春汛”,也称“迎梅雨”或“早梅雨”。其间正值春耕夏播季节,农作物需水期,早梅雨有利于农业生产。梅雨期若雨水、气温适度,对农作物、尤其是水稻的生
Meiyu is the annual rainy season phenomenon during the transitional season between the spring and summer in the middle and lower reaches of the Yangtze River in the Yangtze River and the Yangtze River and the Huai River to southern Japan. Due to the ripening season of southern plum, it is called “Meiyu” or “Huangmeiyu”. Meiyu gloomy weather, rain, humidity, light, easy to breed bacteria, clothing, food and other objects easily moldy, it is also known as “moldy rain.” The Huaihe River Basin began before mid-May in the Meiyu period, with rainy weather of about half a month or so called “spring flood”, also known as “welcome the plum rain” or “early plum rain”. In the meantime, spring plowing and sowing season, crop water period, early plum rain is conducive to agricultural production. If the rainy season during the rainy season, the temperature is moderate, the crops, especially rice students