Wetting generally refers toearthsurfaceBiological environmentFeel likesoil、atmosphereIt is a qualitative description with different moisture content.It reflects the biological environment and humanliving environmentImportant indicators.In terms of geographical variables, it mainly refers toclimateDry and wet state andEarth environmentWater content status of.
"The Hundred Yu Sutra - Two Dove Metaphors": "It rains heavily, and the fruit is wet, and it will return to the old days." Song DynastyHegan"Annals of Chunzhu · Chen Dai's Inheritance of Different People's Glue Method": "Chen Dai really determines people. When he first made ink, he met a different person who passed on the glue method. Because he took coal from the ancient pines in the mountains, although the glue was not as good as the regular glue, he kept it wet and did not steam at the beginning, so this is also the beauty."Ding LingTian Jiachong: "Some fields are filled with water and flowing quietly. Some fields have just been ploughed and turned over and are lined with wet clods."[1]
2. In the Yong'an dialect language family of Fujian, it is a general term for paddy frogs.
greenhouse effect
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AustraliaScientists found in the 21st century that the earth's ability to combat the greenhouse effect may be greater than people think.Because global warming means that the earth becomes wetter, which isBotanyThe growth ofcarbon dioxideetc.greenhouse gases。
Hundreds of Australian scientists pointed out in their annual research report released in early May:water cycleChanged greenhouse gas emissions.As the earth warms, it will also become wetter.A wetterearthIt means more plants grow, morephotosynthesisAnd absorb moregreenhouse gases。”"Earthlyforest, farmland andgrasslandAbsorbed a lot of greenhouse gases.They will also absorb more greenhouse gases, making the climate better.If reasonably arranged and fully utilized, these green spaces will win enough time for human beings to reduceIndustryLarge amount of greenhouse gases produced by production, thus reducingclimate changeThe destruction of the earth. "
Distribution area
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One placeprecipitationAndEvaporation capacityThe contrast relationship between the two reflects the degree of wetness in the region.Precipitation is greater than evaporation,climatemoist;On the contrary, precipitation is less than evaporation, and the climate is dry.
In view of the relationship between the two, the humid areas in China are mainlynortheast、Southern region。It is distributed in Yunnan, Guizhou, Guangdong, Fujian, Jiangxi, Zhejiang, Hubei, Hunan, Chongqing, Hainan and Taiwan, as well as in the south of Jiangsu, Anhui, Henan and Shaanxi, in the east and south of Sichuan, and in the northeastXiaoxing'an Mountains、Changbai MountainMountain area, in TibetThe Yarlung Zangbo RiverValley, ShandongJiaodong PeninsulaThere is also distribution.
It can be seen that humid areas are mainly distributed incoastal areasWhere water vapor is abundant, butNortheast ChinaIt is mainly due to its high latitude, relatively low temperature and low evaporation.In addition, since childhoodRangeLook, almost allsea townIt's quite humid.In other regions, the situation is basically the opposite.
Wetlands in China
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By the end of 2008, China had established more than 550 wetlandsnatural80 protected areasWetland ParkAnd 36 placesWetlands of international importance, basically formedWetlandNatural reserves as the main body, and international important wetlands, wetland parks, etcWetland protectionSystem, making 17.9 million hectares, about 49%Natural wetlandIt has been effectively protected.Wetland is known as the "kidney of the earth", with many specialecologyFunction, for maintenanceecological equilibriumIt plays a very important role.Wetland is "fresh water"Repository”，Wetlands in ChinaIt maintains about 2.7 trillion tons of fresh water, accounting for 96% of the total available fresh water resources in China.
