The online map of the average number of rice cold dew wind processes in southern China from 1981 to 2010 comes from China Severe Weather and Climate Atlas (1961-2015). This atlas is compiled by the National Climate Center and published by the meteorological publishing house.
This atlas is compiled based on the statistics of national meteorological observation data, including 16 kinds of disastrous weather and climate graphic analysis products affecting China, including typhoon, rain and waterlogging, snow disaster, cold wave, gale, sandstorm, low temperature and cold damage, high temperature, drought, lightning, hail, frost, freezing, fog, haze and acid rain, such as the spatial distribution map of annual and seasonal occurrence frequency, the spatial distribution map of certain characteristic values, the national and regional frequency of the changes over the years (1961-2015), the national and regional frequency of the monthly changes, etc., a total of more than 300 Width.
In addition, the disaster information change maps of major meteorological disasters such as typhoon, rain and waterlogging, low-temperature freezing damage and snow disaster, drought, lightning and hail are compiled, and individual cases of major historical disaster events such as typhoon, rain and waterlogging, sandstorm, low-temperature freezing damage and snow disaster, high temperature and drought are selected. In order to facilitate readers' reading and comprehension, this atlas not only provides a large number of intuitive graphics, but also provides text descriptions of the main features.
This atlas is a reference book for understanding China's disastrous weather and climate. It can be used by business, scientific research, teaching and other personnel in the fields of meteorology, agriculture, water conservancy, geography, education, environment, land and resources, as well as by relevant departments such as disaster prevention and reduction, construction planning and so on.
Southern rice cold dew wind refers to one or more low-temperature weather processes during the heading and flowering period of double cropping late rice along the middle and lower reaches of the Yangtze River and its south, resulting in the failure of safe and normal pollination and fertilization of rice, the increase of empty chaff rate and the reduction of rice yield. The number of cold dew wind processes in the South decreases from north to south. More than 2 times in Hunan, Hubei, Anhui and Western Zhejiang; Less than once in most parts of South China; 1 ~ 2 times in other areas.
Online map of the first day of rice cold dew wind in southern China from 1981 to 2010
Online map of the maximum number of rice cold dew wind processes in southern China from 1961 to 2015
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