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What is the solar term after cold dew? Frost and climate change

DailyBird Culture 2021-10-09 1 0
What is the solar term after

cold dew? Does everyone know? How much do you know about frost? Frost fall is one of the 24 solar terms and the sixth in autumn. It also describes many changes in natural weather and has many beautiful meanings. It is also very important for farmers. Let's have a look!

寒露过后节气是什么 霜降气候变化

what is the solar term after the cold dew? The solar term behind the cold dew is frost. Frost fall is one of the twenty-four solar terms of China's traditional festivals. "Frost fall means" the weather turns cold and the first frost appears. It is the last solar term in autumn and also indicates the beginning of winter. At the same time, once the frost falls, the temperature difference between day and night gradually increases. Frost usually falls on October 23 of the Gregorian calendar every year. In ancient China, frost fall was divided into three periods: "first, jackals were sacrificed to animals; second, plants and trees were yellow; third, stinging insects were salty". What is the meaning of

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frost? Climate change

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frost is the 18th of the 24 solar terms and the last solar term in autumn. Fighting finger Xu; The solar yellow meridian is 210 °. After entering the frost term, the scene of late autumn is obvious, and the cold air goes south more and more frequently. Frost does not mean "frost", but a sudden drop in temperature and a large temperature difference between day and night. In the frost season, everything is completed and enters Xu, the sun enters the earth, the Yin Qi begins to condense, and the weather is getting colder and begins with frost. Because "frost" is a manifestation of cold weather and large variation of temperature difference between day and night, it is named "frost drop", which means "sudden drop of temperature and large temperature difference between day and night". Frost term is characterized by cold weather in the morning and evening, hot at noon, large temperature difference between day and night and obvious dryness in autumn. Frost reduction solar terms mainly include chrysanthemum appreciation, persimmon eating, climbing and overlooking, tonic and other customs.

frost is the last solar term in autumn and the transition from autumn to winter. In the frost season, all things are completed and enter Xu, the sun enters the earth, and the Yin Qi begins to condense. The cold weather begins with frost. "Yi Zhou Shu · Zhou Yue": "the mid Qi in autumn and March: the summer heat, autumnal equinox and frost fall." Wang Chong's Lun Heng of the Eastern Han Dynasty said: "clouds and fog are the sign of rain. In summer, it is dew, in winter, it is frost, in temperature, it is rain, and in cold, it is snow. The condensation of rain and dew is caused by the earth, not from the sky." whether it is dew or frost, "it is caused by the earth, not from the sky". How can it be called frost fall? In fact, the name "frost" is just a metaphor. Because "frost" is a manifestation of cold weather and large changes in temperature difference between day and night, it is named "frost drop", which means "sudden drop in temperature and large temperature difference between day and night". The "frost falling" solar term reflects the climatic characteristics of the gradual cooling of the weather, which does not mean that it will "frost" when entering this solar term. In fact, "frost" does not fall from the sky, "frost" is the condensation of water and gas on the ground due to the change of temperature difference and cold air. The solar term "frost falling" has nothing to do with "frost falling".

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