Traditional Culture Encyclopedia - Weather forecast - What are the five factors that affect the temperature?
What are the five factors that affect the temperature?
1, latitude position. Usually the equatorial region has the most precipitation, and the precipitation near the poles is the least. Near the Tropic of Cancer, there is more precipitation on the east coast of the mainland and less precipitation on the west coast. Because the earth is a big sphere, the sun shines at different angles at different latitudes. Some places are direct, some places are oblique, and some places have not been exposed to the sun all day or for months. Generally, the lower the latitude, the higher the temperature; The higher the latitude, the lower the temperature.
2. Atmospheric circulation. It is the main factor that forms various climate types and weather changes. The manifestations of atmospheric circulation include planetary wind system, monsoon circulation, land-sea wind and valley wind. What people usually call atmospheric circulation mainly refers to planetary wind system. Under the control of different pressure belts and wind belts, the climate characteristics, especially the changes of precipitation, are significantly different. In addition, the wind belt and pressure belt move with the seasons, thus forming various climate types.
3. Land and sea distribution. The distribution of land and sea changes the zonal distribution of temperature and precipitation. Due to the different physical properties of the ocean and the land, under the strong sunlight, the ocean heats up slowly and the land heats up quickly; After the sun weakened, the ocean cooled slowly and the land cooled rapidly. In temperate regions, there is more precipitation in coastal areas and less precipitation in inland areas. At the same latitude, controlled by the same pressure belt or wind belt, the climate characteristics are different because of the different land and sea positions.
4. Terrain. Terrain is a non-zonal factor, and different landforms have different effects on climate. In the same latitude zone, the higher the terrain, the lower the temperature, and the precipitation increases with the height within a certain height range. There is more precipitation on windward slope and less precipitation on leeward slope in mountainous area.
5. Ocean current factor. Ocean currents also have a certain influence on the climate along the coast of the continent through which they flow. Warm current plays a role in warming and humidifying the climate in coastal areas. For example, the formation of maritime climate in western Europe directly benefits from the warm and humid North Atlantic ocean current. The cold current plays a role in cooling and dehumidifying the climate in coastal areas. For example, the cold current on the west coast of the mainland (southern hemisphere) played a certain role in the formation of desert environment on the west coast of Australia and the Pacific coast of Peru.
average temperature
1, average temperature of a certain day: refers to the average temperature of 24 hours a day. Meteorology usually takes the average temperature at two o'clock, eight o'clock, 14 o'clock and 20 o'clock as the average temperature of a day (four temperatures are added and divided by four).
2. Monthly average temperature: the average of the average temperature for many days in a month.
3. Average temperature in a certain year: the average of the average temperature for many days (or months) in a certain year.
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