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Anonymous users2024-02-08During the day, solar radiation heats up the ground, forming ground radiation, which warms the atmosphere;
At night, ground radiation and atmospheric radiation can cause the temperature to drop;
The difference in temperature between the two is the diurnal temperature range.
If the weather is clear day and night, the temperature varies greatly from day to day.
The day and night are cloudy, and the diurnal temperature range is small.
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Anonymous users2024-02-07Clear means that there are fewer clouds in the sky, and more solar radiation is received during the day, and the temperature rises more than when there are clouds (when it is rainy), and the heat on the ground also radiates out quickly at night, so the temperature drops quickly, while clouds (when it is rainy) can increase the inverse radiation of the atmosphere and prevent the loss of heat.
Therefore, when it is sunny, the temperature is very high during the day, and the temperature difference is very low at night, and the temperature difference is also large, and on the contrary, when it is rainy, the temperature difference is small.
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Anonymous users2024-02-06<> annual temperature range, the difference between the highest and lowest monthly average temperature of the year.
In general, the annual temperature range is large in areas affected by continentalism. The annual temperature range is large, and it is a temperate continental climate.
The annual temperature range increases with the increase of latitude. The land is larger than the ocean, and the less cloudy rain area is greater than the cloudy area.
In the rainy area, the plain is larger than the mountainous area, the bare land is larger than the vegetation coverage area, and the higher the altitude of the mountainous area, the smaller the annual temperature range.
Diurnal temperature range, also known as diurnal temperature amplitude. It is the difference between the highest and lowest temperatures of the day. Its size depends on latitude, season, surface nature and weather conditions.
Generally speaking, because of the prevailing updraft in the center of low pressure and the weather is mainly cloudy and rainy, the atmosphere is weakened during the day, so the temperature is low, and the temperature is higher at night, so the diurnal variation of temperature is small. The opposite is true for the center of high pressure, so in general, the temperature of the center of high pressure varies greatly from day to day.
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Anonymous users2024-02-05The main factors influencing the annual temperature difference:
1. Latitude position: The higher the latitude position, the greater the annual temperature difference. Because the higher the latitude, the greater the annual variation in solar radiation energy.
2. Sea and land location: due to the difference in the thermal properties of sea and land, the mainland area.
The difference between caloric income in winter and summer is larger than that of the ocean, so the closer to the ocean, the greater the influence of the ocean, the smaller the annual temperature range, the farther away from the ocean, the smaller the influence of the ocean, the greater the annual temperature difference.
3. Terrain: the higher the altitude, the smaller the annual difference. The annual temperature range of concave terrain is greater than that of convex terrain.
4. Precipitation.
How much: In areas with more precipitation and humid climate, there are more rainy weather and small annual temperature differences. In arid areas, the annual temperature range is relatively large.
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Anonymous users2024-02-04During the day, solar radiation heats up the ground, forming radiation from the surface of the earth, which warms the atmosphere.
At night, ground radiation and atmospheric radiation can cause the temperature to drop;
The difference in temperature between the two is the diurnal temperature range.
If the weather is fine day and night, the temperature varies greatly from day to day.
The day and night are cloudy, and the diurnal temperature range is small.
The small annual difference in Western Europe is due to the fact that it is close to the sea and on the west coast of the continent, which is affected by the sea breeze all year round. secondly, the latitude is high, so it is not hot in summer; There are also warm ocean currents, so it is not cold in winter. The large temperature difference between morning and evening is due to the sunny weather, the greenhouse effect. >>>More
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