Autumn is coming, what are the changes in nature, small essay

Autumn has arrived, the apples are red, and the yellow pears and oranges are ripe. The chrysanthemums in the park are blooming, and the osmanthus flowers are also blooming, giving off a faint fragrance. Look at the trees, the leaves of the sycamore tree have turned yellow, and the leaves of the maple tree have turned red, falling down one by one, like colorful flower butterflies flying in the air.

The rice in the field smiled and bent over, as if to greet us. A gust of autumn wind blows, cool and comfortable. I love autumn, autumn is so beautiful!

The weather is cooler, the leaves are yellow, the fruits are ripe, and the geese are flying south.

Description: In autumn, the most noticeable changes in the natural landscape are the trees, when the city begins to sweep away a large number of fallen leaves, and the mountains are crowded with tourists who enjoy the autumn leaves. Autumn, the third season of the year, the transition season from summer to winter, the lunar calendar is from the beginning of autumn in July to the beginning of winter in September, the solar calendar is from September to November, and the astronomical calendar is from the autumn equinox to the winter solstice.

Meteorologists study phenology based on the following: after a hot day, the five-day average temperature is below 22 degrees Celsius, and autumn is considered to be autumn, and autumn ends when it is below 10 degrees.

Develop good eating habits in the fall:

Autumn is coming, the weather is slowly getting cooler, people's appetite is getting better and better, but many people are still maintaining the habit of skipping breakfast and eating more dinner. Experts remind that three meals a day should be as timely as possible, and eat seventy percent full, so that the spleen, stomach, liver and gallbladder work rhythmically, so as to avoid the occurrence of food accumulation and indigestion.

Autumn is full of fruits, the scenery is beautiful, and the leaves are yellow, which is very beautiful.

Nature's changes in autumn:

1. Deciduous leaves generally fall in autumn, most of the deciduous plants and trees begin to fall leaves, the leaves are yellow, curly, falling from the trees, fluttering with the wind, which also represents that after late autumn, winter is coming.

2. Wild geese. Flying southEvery autumn, when the cold climate in the north is no longer suitable for geese, they will fly to the warm south in flocks and mighty waves. The following spring, they return to the north after a long journey to lay eggs and breed.

3. Fruitful Autumn harvest when the fruits on the tree are ripe, apples, pears, persimmons, etc. are hanging on the branches, a harvest scene.

4. In autumn, the grass on the ground gradually withers and yellows, and the leaves of deciduous trees begin to turn red or yellow, and fall down with the wind. Osmanthus is fragrant, chrysanthemums compete for beauty, a bunch of red, cockscombs.

Some flowers such as hibiscus also bloomed. Dandelion.

"Little paratroopers" with white fluff are born, which are scattered in the wind, and the earth presents beautiful autumn colors.

Fifth, the rice in the field is ripe, and the golden ones seem to be covered with a golden carpet; The fruit of the orchard was ripe, like a large fruit plate, containing yellow pears, red dates, and large and red apples; It's getting cooler.

In the fields, the rice is ripe, the leaves are yellow, and the geese are migrating.

Autumn is one of the four seasons of "Spring, Summer, Autumn and Winter". In China, the "beginning of autumn" of the 24 solar terms is traditionally used as the starting point of autumn. Autumn means that rainfall, humidity, etc. tend to drop or decrease, and everything in nature begins to grow from lush to mature.

Solar terms

Beginning of autumn: The sun is at 135 degrees of ecliptic longitude, and the conjunction dates on August 7-9. Rainfall, storms, temperature, humidity, etc., tend to drop or decrease.

Summer: The sun is located at 150 degrees ecliptic longitude, and the conjunction of August 22-24 is intersecting. It means that the heat has ended and the rainfall has gradually decreased.

White Dew: The Sun is at 165 degrees of ecliptic longitude and is at the intersection of September 7-9. It is dry, the temperature difference between day and night is large, and the weather is gradually getting cooler.

Autumnal equinox: The Sun is at 180 degrees of ecliptic longitude, and the conjunction is on September 22-24. The sun shines directly on the equator, the day and night in the northern and southern hemispheres are of equal length, the temperature difference between day and night gradually increases, and the temperature decreases day by day.

There are some natural variations:1. Most plants in autumn will lose their leaves, which is an adaptation of plants to spend the cold season.

2. In autumn, the leaves of some plants turn from green to yellow or red, which is related to the pigments contained in the leaves.

3. The air becomes drier and windy, small animals begin to prepare for wintering, and migratory animals begin to move.

4. The direct sunlight moves southward (to the northern hemisphere.

So the days are getting shorter.

5. The climate becomes colder, the cold air goes south, and the temperature alternates frequently with cold and hot.

6. Autumn is also the harvest season, and the orchards and fields are full of harvest.

General characteristics: In our country, it is traditionally based on the 24 solar terms.

of"Beginning of autumn"As a starting point for autumn. Entering autumn, it means that rainfall, humidity, etc. tend to drop or decrease. In nature, the yin and yang energy begins to change, the yang energy gradually retreats, the yin energy gradually grows, the climate changes from hot to cold, and everything grows with the cold and gradually declines.

From modern meteorology.

Divided above, the fall of the northern temperate zone is on August 23 (summer heat) and November 22 (light snow.

Autumn in the southern temperate zone falls on February 19 (Northern Hemisphere rain) May 21 (Northern Hemisphere Lesser Man.

At present, China's division of the four seasons is often divided according to the temperature change, and the modern scholar Zhang Baokun is used"Average temperature"Divide. According to the average temperature method, there are two main criteria for judging autumn: first:

If the average daily temperature is between 10 and 22 for five consecutive days, it can be regarded as autumn"Abbreviated"；The second is: the sliding average temperature of 5 consecutive groups is lower than 22. A set of sliding average temperatures refers to the average temperature of the day plus the average temperature of the previous four days divided by 5 to get the 5-day moving average temperature, which is"Slide Label"。

Entering autumn means that the hot weather has passed and it is starting to cool down.

Autumn is here, the weather is getting cooler, the leaves of the trees are starting to fall, the wind is getting cooler, the air is getting drier, the daylight hours are shorter, and the days are shorter.

P.S. Autumn is the season of abundance, I love autumn.

The maple leaves on the mountain are dyed red by the autumn wind, sandwiched in the green mountain forest, like an oil painting, just like the poem "Stop and sit and watch the maple forest at night" in "Mountain Travel". In the botanical garden, the golden osmanthus blossoms, the fragrance is fragrant, and there are beautiful white chrysanthemums, bright bunches of red, and as far as the eye can see, there is an autumn scenery everywhere. ......

When the autumn wind blows, the autumn leaves fall to the ground one by one, carrying the unique charm of autumn. Rendering the golden yellow of the earth. The cool air and golden leaves are a unique sight in autumn.

Autumn has arrived.

The rice in the field is ripe, golden and yellow, as if a golden carpet has been laid. The fruit in the orchard is ripe, like a large fruit plate, containing yellow pears, red dates, large, red apples, ......In the garden, all the other flowers are gone, only the chrysanthemums are blooming brightly, and the osmanthus flowers exude a very fragrant smell. In the mountains and forests, the leaves on the trees are all yellow, and they fall from the trees one by one, like flowers and butterflies dancing.

The sky was cloudless, and a flock of geese flew south in a big "human" lineup. They are flying and screaming, as if to say, "Autumn is here, autumn is here." ”

Autumn has arrived, and the weather is gradually getting cooler. The geese are lined up in a "one" shape for a while, and then form a "human" shape and fly south. The leaves are mottled in color, some are yellow, orange and orange, some are fiery red, and some are yellow and red, which is very beautiful!

The cicadas in the trees are no longer chirping, and there are fewer grasshoppers in the grass.

Autumn is coming, the weather is starting to get cooler, the leaves are starting to turn yellow and fall, and people are starting to add clothes.

Sentences in praise of autumn:

1. The breeze cleanses your lungs, and the sounds of nature pluck your heart. A stream of water, a string of bamboo and the sound of the sound, you know that you should go and see autumn.

2. Compared with the beauty of spring, the glitz of summer, and the dead silence of winter, autumn is a middle-aged man who is cold and cold in the world, and has not yet reached the age of dying.

3. Autumn is a kind of empty mood, and autumn is a kind of indifferent and comfortable leisure.

4. Autumn grass is affectionate and withered; The yellow flower has no intention, leading the Nanshan to look into the distance. The intersection of the strange and the smoke curling, that is the poetry that cannot be written in autumn.

Autumn came gently, and the thick green leaves slowly turned yellow. The golden leaves are especially brilliant in the sun. Autumn is beautiful, and a harvest season, people put on gorgeous spring clothes, and this colorful autumn, walk together!

I hope it can help you!!

1. Most plants in autumn will lose their leaves, which is an adaptation of plants to spend the cold season.

2. In autumn, the leaves of some plants turn from green to yellow or red, which is related to the pigments contained in the leaves.

3. The air becomes drier and windy, small animals begin to prepare for wintering, and migratory animals begin to move.

4. The sun is directly moving southward (for the northern hemisphere), so the days are getting shorter;

5. The climate becomes colder, the cold air goes south, and the temperature alternates frequently with cold and hot.

6. Autumn is also the harvest season, and the orchards and fields are full of harvest.

The fruit is ripe, the leaves are yellow, the weather is cooler, the autumn is crisp, and the phenology changes.

I'm like you, what changes will happen to nature when autumn comes? What changes do I think will happen to nature? So the leaves are yellow, so the buds we planted are also ripe, and the rice is also yellow, so there are many changes, that is, the golden ones are yellow, and the fruits are ripe.