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Characteristics of autumn climate
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The temperature will gradually drop in autumn, but it is generally slower than in winter. Due to the difference of dry and wet conditions, there will be cold and rainy weather conditions or dry and cool weather conditions in different regions. In the cold late autumn, due to the large temperature difference between day and night, the water vapor transpiration during the day will condense at night, either dew or frost. In autumn, the direct point of the sun gradually moves south from the northern hemisphere, passes through the equator after the autumnal equinox, and the sun directly shines in the southern hemisphere. Seen from the northern hemisphere, the angle of the sun gradually becomes lower, and the gap between day and night becomes smaller. At the autumnal equinox, the length of day and night is equal. In autumn, the distance between the earth and the sun is from far to near. Seen from the ecliptic plane, the sun is on the background of Leo, Virgo and Libra.

According to the standard of dividing seasons according to the average temperature, it must be that the average temperature for five days is below 22℃ to be considered as autumn. According to this standard, the Jianghuai area generally enters autumn in the middle and late September. After beginning of autumn, although the summer heat is hard to disappear for a while, there is still the afterglow of "autumn tiger", but the general trend is that the weather is getting colder and colder. The daily temperature range is gradually obvious, which is often very hot during the day and very cold at night.

Autumn actually means that the crops are about to mature. After beginning of autumn, late rice in most parts of South China started jointing and heading, and cotton bolls cracked. Mid-season rice and summer corn entered the stage of grain filling maturity. In the east and west of South China, the task of drought and flood control is still very arduous. In South China after beginning of autumn, although the season is still midsummer, "beginning of autumn is full of yellow in ten days" and a golden "autumn" is coming.

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What are the characteristics of the autumn climate?

The characteristics of autumn climate: the altitude angle of the sun is getting lower and lower, and the temperature is getting lower and lower; The autumn wind is cool, the summer heat is gone, the fruits are covered with branches, and the fields are golden. Autumn is the harvest season, and many plants mature in autumn. In the subtropical region of the northern hemisphere, the temperature in autumn is obviously lower than that in summer. As the temperature drops, the leaves of many deciduous perennial plants will gradually change color, wither and fall off, leaving only branches for winter. Panicum miliaceum will come to the end of his life, wither and die. As can be seen from the date distribution map of beginning of autumn in China, Northeast China is the earliest place in beginning of autumn in eastern China. In autumn, the cold air in the north is constantly invading, but its power is not very strong. Autumn weather often forms in northern China, and continuous autumn rain often appears in West China. The temperature will gradually drop in autumn, but it is generally slower than in winter. Due to the difference of dry and wet conditions, there will be cold and rainy weather conditions or dry and cool weather conditions in different regions. In the cold late autumn, due to the large temperature difference between day and night, the water vapor transpiration during the day will condense at night, either dew or frost. Extended data:

Autumn Diet Tips: Eat more acidic foods in the autumn diet. The climate in autumn is dry and the temperature difference is uncertain. The liver function of the body needs to be protected. In diet, it is necessary to "increase acid" to enhance the function of the liver and resist the invasion of excessive lung qi. Traditional Chinese medicine believes that autumn is a transitional period between two seasons in Xia Dong, and the temperature changes from hot to cold, so health care should also change from "nourishing yang" to "nourishing yin". What are the taboos of autumn diet? Avoid overeating. In autumn, most people tend to eat too much because of the pleasant climate and abundant food. Eating too many calories will turn into fat accumulation, which will make people fat. Autumn diet, we should pay attention to the right amount, can not indulge appetite, eat and drink. Avoid spicy and cold food. In autumn, we should also eat less irritating, spicy and spicy foods, such as pointed peppers. It is also necessary to avoid the accumulation of various damp and hot gases. All spicy foods have the function of emitting. It is recommended to eat spicy foods such as celery. Baidu Encyclopedia-Autumn

10 likes 697 browsing 20 19-06-04

What are the climatic characteristics of autumn?

In beginning of autumn, summer heat, white dew, autumnal equinox, cold dew and first frost are all in autumn. The climate characteristics in autumn, from hot to cold, have entered the transitional stage of "Yang eliminating Yin growing". The characteristics of each solar term are described as follows: 13. August 7th or 8th in the Gregorian calendar is beginning of autumn. It is located at the solar meridian 135 degrees. "Li" means beginning, and beginning of autumn is a symbol of the beginning of autumn. The crops are almost ripe at this time. Beginning of autumn means that the grain is beginning to ripen. From this day on, it began to enter autumn. Autumn is crisp, the moon is bright and the wind is clear, and the temperature drops gradually from the hottest. There is a proverb: "beginning of autumn is cool", that is to say, the beginning of autumn is the beginning of the cool season. At this time, the sultry weather in summer is gone forever, and people no longer feel sultry. Although the weather is still hot, the hot weather called "autumn tiger" is different from the dull summer heat. Beginning of autumn's third class is: "When the cool breeze comes; Second, wait for the white deer to be born; Third-class chilling. " This means that after beginning of autumn, people will feel cool when it is windy, and the wind at this time is different from the hot air in summer. Then, there will be fog on the earth in the morning. And cicadas who feel gloomy and sing in autumn also begin to sing. 14. The summer heat is on August 23rd or 24th of Gregorian calendar, at 150 degrees. "Chu" means hiding, ending, and the second time. The hot summer means that the hot summer is about to pass and will soon hide; It also contains the meaning of hot weather in autumn and summer, second only to summer. Gu Tieqing, the author of Jia Qinglu, commonly known as the "autumn tiger", said in describing the summer heat: "After the summer heat, the weather is still cloudy, and it takes about 18 days to cool down; As the saying goes, eighteen pots of summer heat means eighteen days of bathing. "This means that after the summer heat, you will have to sweat for about 18 days. The three waiting periods in summer are: "One waiting for the eagle as a sacrificial bird; Second, wait for the beginning of heaven and earth; The third wait has not yet boarded the plane. "In this solar term, eagles began to hunt birds in large numbers and display them as sacrifices before eating. Then everything between heaven and earth began to wither and filled with cold air. In ancient times, there was a saying of "autumn decision", that is, the death penalty was executed in order to adapt to the cold of heaven and earth. " Lu Chunqiu said, "Heaven and earth cannot win. "That is to warn people that autumn is a season of convergence, and there is no arrogance and extravagance. The third term "Henaideng" refers to millet, millet, rice and sorghum crops, and "Deng" means maturity. 15. The millennium is on September 8th or 9th of Gregorian calendar, with longitude 165 degrees. At this time, the crops are about to mature, the "autumn tiger" will also die, and the climate will turn cold. The temperature difference in the morning, middle and evening of a day will change greatly, and it will be cool in the morning and evening and hot at noon. Because the temperature drops rapidly, the temperature has reached the condition of white dew at night, so the dew condenses more and more heavily, showing the shape of white dew, hence the name. White dew three waiting: "Hongyan comes; Second, wait for the bird to return; Three waiting birds raise shame. "That is to say, this solar term is the time when migratory birds such as Hongyan and Swallow fly south to avoid the cold, and hundreds of birds begin to reserve dried fruit food for the winter. It can be seen that the Millennium is actually a symbol of cold weather. 16. The autumnal equinox is on September 23rd or 24th of Gregorian calendar 180 degrees. At this time, the sun is facing the equator, that is, at the intersection of the yellow equator, and the day and night are equally divided, so it is called the autumnal equinox. It is a solar term for the mature harvest of crops. Due to the cold weather in the northern hemisphere, migratory birds, such as geese, swallows and cuckoos, began to fly in droves from the gradually cold north to the south. After the autumnal equinox, the daily precipitation is not very large, and the probability of heavy rain and heavy rain is very small, but the number of precipitation increases. It is "an autumn rain and a cold, and ten autumn rains wear cotton well." "The three stages of the autumnal equinox are:" Wait for the thunder to stop; Second, wait for scorpion blank households; Wait for the water to dry. "The ancients thought it thundered because the sun be the spirit is strong, and the yin began to fill after the autumnal equinox, so it didn't thunder. The word "blank" in the second stage means fine soil, that is to say, due to the cold weather, dormant insects began to hide in the hole and sealed the hole with fine soil to prevent the cold from invading people. " The water began to dry up "means that the rainfall began to decrease at this time. Because of the dry weather, the water vapor evaporates quickly, the water in lakes and rivers becomes less, and some swamps and puddles dry up. 17. The cold dew is at1October 9 10 or Gregorian calendar 10, at the longitude of the Yellow River 195 degrees. At this time, the temperature is low, there is more dew, and the climate gradually turns cold from the cool in mid-autumn, and there is the possibility of freezing dew, which is more obvious in the morning and evening, so it is called cold dew. After the white dew, the weather turned cold and dew began to appear. When the dew is cold, there is much dew and the temperature is low. So some people say that cold is dew, white first and then cold, indicating that the climate is getting cold. Frost will appear in some parts of our country at this time. It's late autumn in the north, with white clouds and red leaves and occasional early frost. Autumn is getting stronger in the south, and cicadas are dying. Because there are few cloudy days and plenty of sunshine at this time, it is the solar term with the largest proportion of sunshine in the whole year, and it is known as the crisp autumn. Cold dew three waiting: "Hou Hongyan guest; "The second waiting sparrow is a clam; Three chrysanthemums have yellow flowers. " In this solar term, geese move southward in a line or herringbone. The "flood" in the second season refers to the sea. In ancient times, it was said that clam shells by the sea were made by three kinds of birds diving into the water. In the cold late autumn, all the birds disappeared. The ancients saw a large number of clams suddenly appearing on the seashore. The stripes and colors of shells were very similar to those of birds, and they thought they were birds. The third stage of "Chrysanthemum begins to blossom" means that the chrysanthemum has opened in a large area at this time. The ancients thought that Jiqiu was the season of virtue and earthy yellow, so the flower of this season was Huang Juhua. Chrysanthemum is a flower with a long history in China. There is a sentence of "tolerate chrysanthemum" in Xia's September, which is the word for chrysanthemum in ancient times, indicating that chrysanthemum blooms in September. 18. The first frost time is on the 23rd or 24th of the Gregorian calendar 10/0, at 2 10 degrees. At this time, the climate has gradually turned cold, with frost at night and cold in the morning, and frost began to appear. The temperature difference changes greatly during the day, and cold air often invades, which makes the temperature drop sharply. At this time, the weather turns cold and dew condenses into frost, so it is called the first frost. The first frost is the last solar term in autumn, and it is an excessive solar term from autumn to winter. The lowest temperature can reach about 0℃. Frost is an ice crystal formed by condensation of water vapor in the air near the ground or plants. The color is white and the structure is loose. First frost is covered with vegetation and rocks, commonly known as frosting, and frosted vegetables are particularly delicious. We don't like frost very much in our culture. Huainanzi said: "In autumn and March, the girl is snowed, the frost is sad, the yin is condensed, and everything is sad." Therefore, the ancients also called the daughter of the deceased a legacy cream. The third stage of frost first is: "the first stage is to sacrifice animals;" Second, the vegetation is yellow; Three are waiting for the bug to fall. " This means that in this solar term, jackals will show their prey before eating, the leaves on the earth will wither and fall, and the stinging insects will stay in caves and hang their heads into hibernation.

5 Zan 549 browse 20 19-04- 10.

What are the climatic characteristics of autumn?

In autumn, the summer monsoon gradually weakens and transitions to the winter monsoon. Cyclone activity is frequent, frontal precipitation is more, and temperature changes greatly. In early autumn, it is prone to intermittent rainy weather; Mid-autumn, which is controlled by the high-pressure weather system, is prone to clear Wan Li and sunny autumn weather, which is called "Koharu in October". In late autumn, the influence of cold air in the north began to increase, and the conversion process between cold and warm weather and sunny and rainy weather was frequent, and the temperature fluctuated greatly. The main meteorological disasters in autumn are typhoon, rainstorm, low temperature, rainy weather and fog.

186 likes 7402 browsing 20 17-09-02

What are the characteristics of autumn climate?

The temperature will gradually drop in autumn, but it is generally slower than in winter. Due to the difference of dry and wet conditions, there will be cold and rainy weather conditions or dry and cool weather conditions in different regions. In the cold late autumn, due to the large temperature difference between day and night, the water vapor transpiration during the day will condense at night, either dew or frost. In autumn, the direct point of the sun gradually moves south from the northern hemisphere, passes through the equator after the autumnal equinox, and the sun directly shines in the southern hemisphere. Seen from the northern hemisphere, the angle of the sun gradually becomes lower, and the gap between day and night becomes smaller. At the autumnal equinox, the length of day and night is equal. In autumn, the distance between the earth and the sun is from far to near. Seen from the ecliptic plane, the sun is on the background of Leo, Virgo and Libra. According to the standard of dividing seasons according to the average temperature, it must be that the average temperature for five days is below 22℃ to be considered as autumn. According to this standard, the Jianghuai area generally enters autumn in the middle and late September. After beginning of autumn, although the summer heat is hard to disappear for a while, there is still the afterglow of "autumn tiger", but the general trend is that the weather is getting colder and colder. The daily temperature range is gradually obvious, which is often very hot during the day and very cold at night. Autumn actually means that the crops are about to mature. After beginning of autumn, late rice in most parts of South China started jointing and heading, and cotton bolls cracked. Mid-season rice and summer corn entered the stage of grain filling maturity. In the east and west of South China, the task of drought and flood control is still very arduous. In South China after beginning of autumn, although the season is still midsummer, "beginning of autumn is full of yellow in ten days" and a golden "autumn" is coming.

2 like 18 1 browse 2017-17.

Climatic characteristics of autumn in China.

In autumn, the summer monsoon gradually weakens and transitions to the winter monsoon. Cyclone activity is frequent, frontal precipitation is more, and temperature changes greatly. In early autumn, it is prone to intermittent rainy weather; Mid-autumn, which is controlled by the high-pressure weather system, is prone to clear Wan Li and sunny autumn weather, which is called "Koharu in October". In late autumn, the influence of cold air in the north began to increase, and the conversion process between cold and warm weather and sunny and rainy weather was frequent, and the temperature fluctuated greatly. The main meteorological disasters in autumn are typhoon, rainstorm, low temperature, rainy weather and fog.

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The temperature will gradually drop in autumn, but generally it is slower than that in winter. Due to the difference of dry and wet conditions, there will be cold and rainy weather conditions or dry and cool weather conditions in different regions. In the cold late autumn, due to the large temperature difference between day and night, the water vapor transpiration during the day will condense at night, either dew or frost. In autumn, the direct point of the sun gradually moves south from the northern hemisphere, passes through the equator after the autumnal equinox, and the sun directly shines in the southern hemisphere. Seen from the northern hemisphere, the angle of the sun gradually becomes lower, and the gap between day and night becomes smaller. At the autumnal equinox, the length of day and night is equal. In autumn, the distance between the earth and the sun is from far to near. Seen from the ecliptic plane, the sun is on the background of Leo, Virgo and Libra.

According to the standard of dividing seasons according to the average temperature, it must be that the average temperature for five days is below 22℃ to be considered as autumn. According to this standard, the Jianghuai area generally enters autumn in the middle and late September. After beginning of autumn, although the summer heat is hard to disappear for a while, there is still the afterglow of "autumn tiger", but the general trend is that the weather is getting colder and colder. The daily temperature range is gradually obvious, which is often very hot during the day and very cold at night.

Autumn actually means that the crops are about to mature. After beginning of autumn, late rice in most parts of South China started jointing and heading, and cotton bolls cracked. Mid-season rice and summer corn entered the stage of grain filling maturity. In the east and west of South China, the task of drought and flood control is still very arduous. In South China after beginning of autumn, although the season is still midsummer, "beginning of autumn is full of yellow in ten days" and a golden "autumn" is coming.