The Millennium means that the weather is getting cold. What are the phenological characteristics of the Millennium season?

The season after the great summer heat is cold dew, and the great summer heat belongs to the autumn solar term among the 24 solar terms in China. Let's take a look now! So what is the metaphor of cold dew? What are the phenological characteristics of cold dew?

Cold dew means metaphor: the weather turns cold.

Cold dew is the fifteenth solar term in the "twenty-four solar terms", the end of the application of the moon in the dry calendar and the beginning and end of the unitary month. When the sun reaches 165 degrees, it is on September 7-9 in the Gregorian calendar. Cold dew is a key solar term reflecting the average temperature change in nature, and the foundation has come to an end. The heat in summer is a turning point from hot to cool in autumn. The ancients used four seasons with five elements, and autumn was golden, golden and white, so white was used to describe dew cold. After entering the Millennium solar term, the summer monsoon is gradually replaced by the winter monsoon, and the strong cold air goes south several times, which usually produces a certain degree of cooling.

After the cold dew, the wind is clear and the clouds are light, and the cool wind blows gently, and the temperature difference between day and night is very large. At night, you will feel a little cold, and you will obviously feel that cool autumn is coming. According to the explanation of "cold dew" in the twenty-four solar terms-"the moisture of earth and water condenses into dew, autumn belongs to gold, gold and white, and the white dew is the color, but the gas begins to be cold". "Cold dew" refers to the summer heat, and everything in the world rises with the chill and slowly falls to perfection. In the whole process of changing seasons, the harvested autumn brings people delicious food and folk culture related to physical and mental health.

How did the name Cold Dew come from? What do you mean exposed?

Climatic characteristics

Goose is coming: Red is a kind of gosling, which grows from north to south. It is not called Nanfang Township, nor is it home. Detailed precipitation festival (three rains: "first-class rex sacrifices fish; Waiting for the arrival of the goose; Three times creeping weed sprouted ").

Xuanniao returns: "Twenty-four solar terms": "Xuanniao welcomes beginning of spring (beginning of spring waits first, Xuanniao arrives; Yan lai also), and then moved from the north to the south. Yan is a bird in the south, which is called the return journey.

A flock of birds raises shame: above the three beasts are flocks, and there are many flocks. "Book of Rites" notes: "Shame, food is also." Those who raise shame hide it so that it can be raised in winter and the moon. Shame is the original word of shame. The universality of shame in ancient times. Raising shame is a Chinese word, and the pinyin y m ngxi \u refers to Yi Zhou Shu Shi Xun, which stores food: "On the day of cold dew, geese come, on the fifth day, birds return, on the fifth day, raising shame. You Zhu once explained: "Those who are honest and ashamed store food for the winter, just like hiding precious shame. "