What factors affect weather?
The main influencing factors of climate include solar radiation, atmospheric circulation, ground conditions (terrain, reflectivity, heat capacity), ocean currents, etc. Among them, solar radiation determines the climate zone, atmospheric circulation directly restricts the climate type, and the ground Conditions and ocean currents change the main laws of climate distribution. The causes of the main climate are relatively easy to analyze. Let’s analyze several local climates.
1. Both near the Tropic of Cancer, there are tropical desert climates in Africa, tropical monsoon climates in South Asia, and subtropical monsoon climates in southeastern my country. The reasons are: North Africa is affected by tropical continental air masses and signals from the interior of the continent. Affected by the wind, it is hot and dry all year round. South Asia is affected by the tropical monsoon, and southeastern my country is affected by the subtropical monsoon.
2. The cause of the Thar Desert in South Asia: controlled by the subtropical high pressure zone, the southwest monsoon is not easy to reach, and the original vegetation is destroyed.
5. The higher the latitude, the higher the annual temperature range. The reason is that the higher the latitude, the greater the annual change in the height of the noon sun, the greater the annual change in day and night length, so the greater the annual temperature range. ;The opposite is true for low latitudes. The further away from the sea, the greater the annual temperature range is. The reason is: the land has smaller heat capacity than the ocean. It heats up faster in summer and is higher than the ocean. It cools quickly in winter and is lower than the ocean. Therefore, the annual temperature range is larger than that of the ocean. Coastal areas are affected by The impact of the ocean is greater than that of the inland annual climate.
6. The reasons for the large temperature difference between the north and the south in winter in my country are: my country has a large latitude span, and the direct point of the sun in winter is in the southern hemisphere. The farther south our country goes, the greater the height of the sun at noon and the longer the day, so the farther south we get The more solar radiation, coupled with the frequent southward movement of winter monsoons, the greater the impact on northern my country.
7. The reasons for the generally high temperatures in summer in my country are: the direct point of the sun is in the northern hemisphere. Although the height of the sun at noon in the north is smaller than that in the south, the day time is longer than in the south, and the solar heat received is no less than that in the south. How many.
8. The reason why my country’s winter temperature is lower than that of other areas at the same latitude is that it is affected by the powerful Mongolian-Siberian cold high pressure (or affected by the winter monsoon).
9. The reason why the temperature in India is higher than that in my country at the same latitude is the high mountain barrier (the tall Himalayas block the southward cold air flow).
10. The reasons for the formation of tropical rainforest climate on the southeastern coast of Brazil, northeastern Australia, and eastern Madagascar: mainly due to the influence of terrain (mountainous areas), on the windward slope of the southeast trade wind, and secondly, the warm current passing along the coast.
11. Is there any forest belt on the southern slope of Tianshan Mountain? No, the reason is: leeward slope, less precipitation.
12. The reason why Europe's maritime climate is larger than that of North America is that Europe lacks tall mountain systems extending from north to south, and the westerly wind from the ocean can penetrate deep into the interior of the continent. Affected by the shape of the land and the power of ocean currents, the west coast of Europe is greatly affected by warm currents.
13. The causes of the Patagonia Desert in southern South America: It is located in the temperate zone, with prevailing westerly winds. On the east side of the Andes, it is on the leeward slope and receives little precipitation.
14. The reason why the subarctic coniferous forest is more southerly on the southern edge of the east coast of the continent: mainly because there is a cold current on the east coast and a warm current on the west coast; secondly, the east coast is affected by the wind from the interior of the continent, and the opposite is true on the west coast.
15. The annual temperature range of the Qinghai-Tibet Plateau is smaller than that of plains and basins at the same latitude in my country. The reasons are: the large plateau at low latitudes is cooler in summer due to its high altitude; in winter due to the low latitude and the influence of high terrain The cold airflow that affects the south is not affected, and the temperature is not too low; the diurnal range is large. The reason is: the density of the atmosphere is small at high altitudes, and the insulation and weakening effects of the atmosphere are low, so the temperature rises quickly during the day and cools down quickly at night.
16. The diurnal variation of temperature: the higher the latitude, the smaller it is. The reason is: mainly because the diurnal variation of the sun's altitude is small. The relationship between the diurnal temperature range and the weather and land and sea is that the diurnal range of temperature is smaller on cloudy days than on sunny days, and the diurnal range of temperature in the inland is larger than that of the coastal areas. The diurnal temperature range of the mountaintops is smaller than that of the plains below the mountains, and the annual temperature range is also smaller.
17. The East African plateau area where the equator passes through mainly has a savanna climate, and the main influencing factor is terrain.