What are the characteristics of winter?

What are the characteristics of winter?

What are the characteristics of winter? There are four seasons in a year, and winter is the last season. Different seasons have different characteristics, which is a sign to distinguish the seasons. Next, I will take you to know more about the characteristics of winter.

What are the characteristics of winter? 1 feature 1: cold.

Winter is the coldest season of the year. The outdoor temperature will reach minus 10-20℃ in winter in the north, and the cold winter will cause the river to freeze. People will wear thick cotton-padded clothes, gloves, scarves and hats to keep out the cold.

Feature 2: It snows

It snows only in winter. It's white here, the air is fresh and comfortable, it's usually very cold when it snows, and there are no animals crying. The snow in the south is like small particles, and the snow in the north is like tearing cotton, which is big and dry. Ice will hang on the low eaves.

Feature 3: Short days and long nights.

Compared with summer, winter is characterized by short days and long nights. The winter solstice is the longest and shortest day in the northern hemisphere, and it has entered a "cold day" since the winter solstice. After the solstice of winter, day and night will gradually become the same length.

Feature 4: Animals hibernate.

When cold weather comes, animals can't maintain the constant body temperature needed for normal activities, so they have to find a place to hide and hibernate and spend the cold winter. Hibernation of animals is actually a process of energy conservation. Their body function slows down, and their breathing, body temperature, metabolism and heart rate will all drop. For animals, hibernation is an intuition, and they think they should do it.

Winter time 2 1, what are the characteristics of astronomy?

In winter, the direct point of the sun moves south to the tropic of Capricorn, and then turns back to the north.

2. Bioclimatology

From the climatological point of view, it is winter when the average temperature is lower than 10℃ for five consecutive days. In many areas, winter means silence and desolation. When the cold current strikes, living things will reduce their life activities, many plants will shed leaves, animals will choose to hibernate, and some are called hibernation. Migratory birds will fly to warmer places for the winter.

3. Meteorology

In the northern hemisphere, winter is the coldest season, and even the temperature in temperate zone may drop below 0℃. In winter, there will be snowfall in many places, and the snow and ice in most parts of the north will not melt until spring.

4. Humidity

When the temperature is high in summer, water is easy to evaporate into steam, so the more steam there is in the air, the wetter the air is. In winter, the temperature is low and there is little water vapor in the air, so it is dry. In geography, we call the degree of dryness and wetness of air "humidity". Of course, the reason why the air is dry in winter is not only the geographical reason why the temperature affects the evaporation of water.

What are the characteristics of winter? What are the characteristics of spring, summer, autumn and winter?

1, spring, spring breeze, green willows like silk.

Flowers and trees are busy putting on new clothes for themselves. On the bare branches, the leaves have already turned a blind eye. At this time, new buds have quietly emerged, like a chicken that has just drilled its eggshell, revealing white, tender and furry green buds, which makes people feel pity. The withered and yellow grass, which has long been lifeless, can't wait to squeeze out from people's feet, and can't wait to see this busy world of flowers and plants. The bonsai placed is served by the flower seller. It's green, showing its elegance in front of people. All kinds of flowers are open to people, so enchanting. A season of play, I like this season full of vigor and vitality.

2, summer, hot summer, summer is terrible.

The sun is like a fireball, scorching the earth, the air is sultry and the ground is hot. The trees on the roadside stood there listlessly, without a trace of wind, and the leaves were motionless and covered with thick ash. It will fade after a few minutes in the sun, and it is not glamorous. The fish soon surfaced and bubbled. In hot summer, this is a good time to swim. Men, women and children flock to the seaside, enjoying the feeling of waves, sea breeze and beach. Summer is hot, happy and colorful.

3, autumn, falling leaves, autumn wind bleak.

The original green leaves have faded and stained with a layer of golden light. The leaves of autumn crops are completely stripped of an annoying layer of bright gold, and the whole process from seedling raising to fruiting has accumulated into a calm, textured and slightly dry yellow. People are trying to reap the fruits of their labor. The sunset in autumn is the most rewarding. The setting sun slowly sprinkled the gentle afterglow on this muddy yellow landscape, which made the leaves show a different color. Coupled with the seemingly absent cold fog, the whole earth is full of peace and harmony. It is not as charming as spring, nor as hot as summer. The arrival of autumn makes me feel very comfortable, because I like autumn, its air, its sunshine, the mood it brings and the hope of harvest. Missing day and night, the arrival of autumn has also put an end to summer.

4, in winter, the cold is pressing, and the winter is December.

In winter, trees and trees shed their heavy clothes, revealing their solid chests, and animals also went into hibernation. Only the white snow falling at this time is the most exciting and energetic, and the whole world is covered with a layer of silver because of the arrival of snow. The whole outside is white, and everything on the house, everything on the trees, and the path we usually walk through have become colorful overnight. Winter is solemn and quiet, which makes people meditate rather than be frivolous.