202 1 What is the next solar term? What is the expression of climate?
202 1 What is the next solar term? Beginning of spring and beginning of spring are the first of the 24 solar terms, also known as the Spring Festival, the first month, the first day of New Year's Day, the second day of New Year's Day and the first day of New Year's Day. Standing means "start"; Spring represents warmth and growth. Twenty-four solar terms were originally formulated according to "variable stars". When the bucket handle of the Big Dipper points to the cloudy, it is beginning of spring. The current 24 solar terms are divided according to the "longitude of the sun". When the sun reaches longitude 3 15, it will be beginning of spring. In the era of cadres and branches, beginning of spring is the first year, beginning of spring is the beginning of everything, and it is the meaning of all self-renewal, which means that a new cycle has begun. Twenty-four solar terms are the product of ancient farming civilization, which contains a long cultural connotation and historical accumulation, and derives a large number of related seasonal cultures. Before the Qin and Han Dynasties, the customs of the north and the south were different. The first day of the lunar calendar was not the first day of the first month, but beginning of spring Day with 24 solar terms in the official calendar. The main celebration activities, such as worshipping gods and ancestors, receiving blessings and praying for the New Year, driving away evil spirits and troubled disasters, welcoming the old and welcoming the new, are all held at the beginning of spring and a few days before and after. This series of festivals not only constitutes the framework of the New Year's Eve Festival in later generations, but also retains its folk function to this day.
What is the expression of cold climate? 1, a wide range of rain and snow weather, gale cooling and severe cold solar terms, the atmospheric circulation is relatively stable, and the circulation adjustment period is about 20 days. When this circulation is adjusted, there will often be a wide range of rain and snow weather and strong winds to cool down.
2. In the cold season with the least rainfall in a year, the average temperature in most parts of southern China is 6℃ to 8℃, which is nearly 1℃ higher than slight cold. The proverb "slight cold and cold, cold into a ball" shows that the great cold solar terms are also the cold period of the year. Slight cold and severe cold are the periods with the least rainfall in a year. During the cold solar term all the year round, the rainfall in most parts of the south only increased slightly compared with the previous period, with 5 ~10mm in most parts of the south and only1~ 5mm in the mountainous areas of the northwest plateau.
3. Cold waves are frequent and serious. During this period, cold waves frequently go south, which is a rather cold period in most parts of China. Railway, post and telecommunications, petroleum, shipping and other departments should pay special attention to taking measures to prevent severe weather such as strong winds and blizzards as soon as possible. Agriculture should strengthen the cold and antifreeze of livestock and wintering crops.
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