Climate characteristics of Jingzhe, one of the twenty-four solar terms

For our country, Jingzhe means the coming of spring. The Waking of Insects is one of the twenty-four solar terms. During the Waking of Insects season, the spring thunder begins to roar, the spring rain begins, and animals begin to move around, presenting a scene of the resurrection of all things. Want to know the climate characteristics of Jingzhe? Let me give you a brief introduction below.

Climatic characteristics of Jingzhe

Jingzhe, known as Qizhe in ancient times, is the third solar term among the twenty-four solar terms and is in March In the early part of the year, this is the time when spring is warm, flowers are blooming, birds are singing and flowers are fragrant, and everything on earth is recovering. Many people will also pay attention to the weather conditions during these days of Jingzhe.

Spring of the Waking of Insects

During the Waking of Insects, most of the south of the Yangtze River is already covered with weeping willows and goose yellow, the grass is green, butterflies and insects are flying, and birds are singing and flowers are fragrant. In the middle and lower reaches of the Yangtze River, the warm spring breeze blows green on both sides of the Yangtze River from Wuhan in the west to Shanghai in the east. People in the Wei River Basin and the middle and lower reaches of the Yellow River are busy with spring plowing, occasionally hearing spring thunder and feeling the precious spring rain. Although there is still snow on the trees north of the Great Wall, the flowing water of the creek gradually breaks through the ice, showing a faint spring color. At this time, the northern northwest, Heilongjiang, Inner Mongolia and other places are still experiencing cold winters. The spring breeze never reaches Yumen Pass in ancient times, and people are looking forward to the early arrival of spring. In some higher mountainous areas in the northwest and southwest, the weather is still cold, and there are occasional "March Snows", which are full of flying snow to welcome the spring. It is easy to remind people of the famous poem "Suddenly like a night of spring breeze, thousands of pear trees bloom" .

Spring Thunder of the Waking of Insects

Spring Thunder often refers to the first thunder in a year. The spring thunder sounds and the earth returns to spring. It is the product of convective weather when warm and cold air meet and the atmosphere is unstable.

Farmers are very concerned about the time when the spring thunder begins. If the first thunder sounds on the day of the Waking of Insects, it is believed that the weather will be smooth that year and the crops will have a good harvest; if the first thunder sounds before the Waking of Insects, it indicates that there will be more rain that year and "continuous rain in spring" may occur; on the contrary, it may There will be droughts. There are proverbs among the people: "The sound of thunder and rice is like mud", "Before the thunder strikes and stings, it is raining in February; after the thunder strikes and stings, it is after drought until spring." These proverbs have been passed down to this day. Our country has a vast territory, and the time when the spring thunder first sounds varies greatly. According to general rules, thunder occurs all year round along the coast of South China. The first thunder in the middle and lower reaches of the Yangtze River, the Huanghuai River, and the Weishui River generally occurs during the Waking of Insects, so the thunder during the Waking of Insects mainly refers to these areas. Further north, the first thunderstorms will not occur until April or May. The first thunderstorm days in Beijing usually occur in late April.

Spring Cold During the Waking of Insects

During the Waking of Insects, when the weather turns warm and cold, farmers in the south are most worried about "low temperature and rainy weather". At this time, early rice, cotton and other temperature-loving crops in South China and southern Jiangnan began to be sown and raised. In low-temperature, rainy weather with average daily temperature <10°C for 3 consecutive days or more, insufficient light will cause rotten early rice seeds and seedlings; this kind of weather is also extremely unfavorable for the sowing and management of rape, cotton, and corn. ; It is also very harmful to the joint growth of winter wheat, so there is a saying that "an inch of wheat is not afraid of an inch of water, but an inch of wheat is afraid of an inch of water."

Spring Drought of Jingzhe

Spring plowing has begun in the northern land, and people are most worried about spring drought due to too little rain. There is a saying in the north that "spring rain is as expensive as oil" and "spring drought occurs nine times out of ten years". At this time, there are still snowflakes falling in the north, but for the relatively arid northwest and northeast, the snow at this time is very beneficial to increasing soil moisture. If there is a decent rain and snow, it will be very beneficial to the spring sowing production and production that will start soon. Winter wheat turns green. During this period in North China, even if there is snow, it mostly appears in the form of sleet, and often falls to the ground as rain.

In the northwest and north China, the winds in April were stronger than in March. Sand and dust weather during the Waking of Insects began to emerge, and sandstorms began to appear in individual areas in the northwest.

In some forest farms in areas with continuous droughts in winter and spring, the spring forest fire prevention period has begun one after another, and fire prevention has been put on the agenda

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