Traditional Culture Encyclopedia - Weather inquiry - What are the beautiful scenery in autumn?

What are the beautiful scenery in autumn?

There are beautiful scenery in autumn;

Chrysanthemum: A gust of wind blows, and it is the fragrance of chrysanthemum. It is chrysanthemum people who praise the land of labor and harvest with their own colors and smells.

Autumn rain: When it rains, the air is fresher, the sky is bluer, and there is a hint of coolness blowing head-on.

Paddy field: The golden fields sparkle in the sun and look like a golden ocean from a distance.

Autumn, the third season of the year, is the transitional season from summer to winter. It is from September to165438+1October in the northern hemisphere, from March to May in the southern hemisphere, and from the autumnal equinox to the winter solstice in astronomy. Meteorologists study phenology according to the following criteria: after the summer heat, the five-day average temperature is below 22 degrees for autumn, and it ends below 10 degrees.

The most obvious change in the natural landscape is in the trees. Many fallen leaves will be cleaned up in the city, and many tourists will flock to the mountains to see the red leaves.

Extended data:

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.

Baidu Encyclopedia-Autumn