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What season is cold dew? Climate change

DailyBird Culture 2021-10-09 1 0

is composed of four seasons: spring, summer, autumn and winter. There are also 24 solar terms in a year, and each solar term is composed of seven solar terms. Cold dew is the fifth solar term of autumn, which means the official beginning of autumn. Do you know what season the cold dew solar term is? What are the weather changes? Let's have a look!

寒露是什么季节 气候变化

what season is the cold dew

the cold dew is autumn. The time of cold dew is about October 8 or 9 every year, after the beginning of autumn and before the beginning of winter, so cold dew belongs to autumn, and frost falls after cold dew. Cold dew is the seventeenth of the twenty-four solar terms, which belongs to the fifth solar term in autumn. According to the collection of the seventy-two seasons of the month, "the dew is cold on September day and will condense." it means that after the cold dew, the temperature becomes lower than usual, and the dew on the ground is colder and about to condense into frost. Therefore, after the cold dew, we should pay attention to keeping warm and add more clothes, Generally, the temperature during the day is relatively warm. The historical origin of

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cold dew

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cold dew is the end of the unitary month and the beginning of the Xu month in the trunk and branch calendar. At night, looking up at the stars, you will find that the stars change seasons, representing the midsummer "big Mars" (Antares in Scorpio) has sunk to the West. As soon as the cold dew passes, the height of the Sun continues to decrease and the temperature gradually decreases. Compared with the White Dew solar term, the temperature of cold dew drops a lot, and the dew on the ground is colder, which is likely to become cold dew, so it is called cold dew. According to the collection of the seventy-two seasons of the lunar calendar, "on September day, the dew is cold and will condense." at this time, the temperature is lower than that of the "White Dew", there is more dew, and the day is cold, so it is called "cold dew". Meteorological changes of

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cold dew

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cold dew is a solar term reflecting the characteristics of climate change. After the cold dew solar term, the day becomes shorter, the night becomes longer, the sunshine decreases, the hot air slowly recedes, the cold air gradually grows, the temperature difference between day and night is large, and the morning and evening feel a little cold. In terms of climate characteristics, in the cold dew season, the autumn in the south is getting stronger, cool and windy, with little rain and dry; The northeast and northwest regions in the north have entered or are about to enter winter. Thousands of miles of frost and snow are very different from the autumn in the south.

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