What is the cause of monsoon climate?

Question 1: Seasonal movement of pressure zone caused by monsoon climate; Seasonal movement of pressure zone and wind zone.

Due to the revolution of the earth, the direct point of the sun moves between the tropic of cancer with the change of seasons, which also causes the seasonal movement of the pressure belt and the wind belt. In spring and autumn, the sun shines directly on the equator, and the equatorial low pressure area is located between 5 degrees north and south latitude on both sides of the equator. From the vernal equinox to the summer solstice, the direct point of the sun gradually moves from the equator to the tropic of cancer. During the summer solstice, the pressure belt and wind belt move about 5 degrees to the north than at the vernal equinox. At this time, the equatorial low pressure belt moves northward between the equator and the north latitude 10; Because the sun's direct exposure to the Tropic of Cancer is very short, and the formation of the low-pressure zone is too late, it is impossible for the equatorial low-pressure zone to move near the Tropic of Cancer. But at this time, the southeast trade winds in the southern hemisphere can blow all the way to the equator, and even some of them can cross the equator, blow to the northern hemisphere, and deflect into southwest winds.

From summer solstice to autumnal equinox, the direct point of the sun gradually moves south to the equator; From the autumnal equinox to the winter solstice, it moves south to the tropic of Capricorn. At this time, the pressure belt and wind belt on the ground generally move about 5 degrees south than the autumnal equinox and 10 south than the summer solstice. For example, the equatorial low-pressure belt has now moved southward between the equator and south latitude 10, and the northeast trade winds in the northern hemisphere can blow all the way to the equator, and some of them will be deflected into northwest winds through the equator. Because the pressure belt and the wind belt move north and south with the seasonal changes, the zone between 5- 15, 35-45 and 60-70 in the north and south latitudes becomes the transition zone of the wind belt.

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Question 2: The causes of monsoon climate. Monsoon is a large-scale convection phenomenon with a period of one year, which is caused by land and sea distribution, atmospheric circulation, continental topography and other factors. Asia is the most famous monsoon region in the world, and its monsoon characteristics are mainly manifested in the existence of two main monsoon circulations, namely, the northeast monsoon prevailing in winter and the southwest monsoon prevailing in summer, and their transformation has an explosive mutation process with a short transition period. Generally speaking, 1 1 is the winter monsoon period, June-September is the summer monsoon period, and April-May and 10 are the transition periods between summer monsoon and winter monsoon. However, the seasonal differences in different regions are different, so the division of monsoon is not completely consistent.

Monsoon is a widely prevailing wind system, and the wind direction changes significantly with the seasons. Like the wind belt, it belongs to the planetary circulation system, and its formation is caused by the temperature difference between the ocean and the land in winter and summer. Summer monsoon blows from the ocean to the mainland, and winter monsoon blows from the mainland to the ocean.

Monsoon has a wide range of activities, affecting the area of 1/4 on the earth and the life of 1/2 people. The western Pacific, South Asia, East Asia, Africa and northern Australia are all areas with obvious monsoon activities, especially the Indian monsoon and the East Asian monsoon. There is also a small monsoon region along the Pacific coast of Central America, while there is no obvious monsoon region in Europe and North America, only some monsoon trends and phenomena appear.

In winter, the temperature of the mainland is lower than that of the adjacent ocean. There is a cold high pressure on the mainland and a corresponding low pressure on the ocean, and the airflow blows from the mainland to the ocean in a large range, forming a winter wind. Winter winds prevail in the northern hemisphere, especially on the east coast of Asia. The northbound monsoon extends from the mid-latitude to the equatorial region. This monsoon originated from Siberian cold high, and in the process of its southward eruption, it produced strong northerly winds and northeast winds in East and South Asia. In Africa and the Bay of Bengal, there is also an obvious northeast wind blowing near the equator. Although there are winter winds in the East Pacific and South America, they are not as obvious as those in Asia.

In summer, the ocean temperature is relatively low, the mainland temperature is high, and the ocean appears high pressure or the original high pressure is strengthened, and the mainland appears thermal low pressure; At this time, southwest and southeast monsoons prevail in the northern hemisphere, especially in the Indian Ocean and South Asia. Most of the southwest monsoon originated in the South Indian Ocean, crossed the equator on the east coast of Africa, reached South Asia and East Asia, and even reached central China and Japan. The other part of the southeast wind mainly comes from the northwest Pacific, and the southerly or southeast wind affects the eastern coast of China.

Summer monsoon generally goes through four stages: outbreak, activity, interruption and regression. The East Asian monsoon broke out the earliest, starting in early May, advancing from southeast to northwest, and stabilizing in late July. Usually retreat begins in mid-September, and the path is opposite to that when advancing. Under the counterattack of the northerly airflow, it gradually retreated from northwest to southeast.

The Xia Feng that affects China comes from three air currents: one is the Indian summer monsoon. When the Indian monsoon moves northward, the southwest monsoon can go deep into Chinese mainland; Second, the cross-equatorial airflow flowing through Southeast Asia and the South China Sea belongs to the low-altitude southwest airflow; Thirdly, the southeast monsoon from the west side of the subtropical high in the northwest Pacific sometimes turns to the southerly or southwest airflow.

At the beginning of May every year, the monsoon begins to appear in the northern part of the South China Sea, which has undergone three sudden northward advances and four static stages. It reaches the northern part of South China from the end of May to June 5- 10, reaches the Yangtze River valley from the end of June to the beginning of July, advances to the Yellow River valley from the middle of July to the 20th, and goes north to the border line-North China from the end of July to August 10. In China, the winter wind is stronger than the summer monsoon, especially in the eastern coastal areas, where there is often a north-northwest wind of magnitude 8 or above, accompanied by a cold wave. The south China sea is dominated by the northeast wind, and the number of strong winds is less than that in the north.

The monsoon region has a unique climate, and most of the precipitation comes from the prevailing summer monsoon. In ancient China, the use of monsoon to carry out navigation activities made brilliant achievements. Zheng He set sail for the first time in summer and returned in autumn in Ming Dynasty. The other six times set sail during the northeast monsoon in winter and returned during the southwest monsoon. This fully shows that the ancients had a profound understanding of the law of wind activity.

Due to the different degrees of heating and cooling between the mainland and the ocean in a year, the direction of a large range of winds between the mainland and the ocean changes regularly with the seasons, which is called monsoon. The most fundamental reason for the formation of monsoon is due to the different properties of the earth's surface and different thermal responses. Due to land and sea distribution, atmospheric circulation, large terrain and other factors, headwinds prevail in winter and summer with a one-year cycle.

[Edit this paragraph] Monsoon-Understanding

Monsoon has different names in ancient China, such as trade wind, yellowbird wind and plum blossom wind. In the coastal areas ... >>

Question 3: the causes of all monsoon climate southwest monsoon

Therefore, the main reason for the southwest monsoon is that the pressure belt wind belt moves with the seasons, and the southeast trade wind belt in the southern hemisphere moves northward across the equator, and then becomes the southwest wind under the influence of the geostrophic force in the northern hemisphere. The second reason is the difference in thermal properties between the Indian Ocean and Eurasia.

Southeast monsoon

The main difference in thermal properties between land and ocean is that the specific heat of land is small, and the temperature rises quickly, while the specific heat of ocean is large, and the temperature rises slowly.

Question 4: Analysis of the causes of Asian monsoon climate formation. Most of China is located in the north temperate zone, with mild climate and distinct seasons, which is suitable for human habitation and survival. Continental monsoon climate is the main feature of China climate. From September to April every year, a dry and cold winter wind blows from Siberia and Mongolia Plateau, which is cold and dry and has a large temperature difference between north and south. From April to September every year, a warm and humid summer monsoon blows from the eastern and southern seas, which is generally hot and rainy, and the temperature difference between north and south is very small. China is divided into six temperature zones from south to north: equatorial zone, tropical zone, subtropical zone, warm temperate zone, temperate zone and cold temperate zone. The precipitation gradually decreases from southeast to northwest, and the annual average precipitation varies greatly from place to place, reaching more than 1500mm in the southeast coast and less than 200mm in the northwest inland.

cause

As for the cause of monsoon, some people think that it is caused by the thermal difference between land and sea and the seasonal variation of this difference; Others believe that it is caused by the seasonal displacement of the planetary wind belt. Some climatologists in China believe that the monsoon phenomenon is a comprehensive phenomenon under the influence of three factors: the thermal effect of land and sea distribution, the seasonal variation of atmospheric circulation and the specific terrain. For example, the Indian monsoon is particularly remarkable and stable because the seasonal changes of the monsoon caused by the land and sea distribution are exactly the same as those of the planetary wind belt. In winter, India is located in the south of cold high pressure and in the trade wind zone, so the northeast monsoon in India is particularly stable; In summer, India is located in the south of the thermal depression. When the equatorial trough moves northward, the southwest wind will pass through it. So the southwest monsoon is particularly stable.

Asia is located in the east of Asia-Europe continent, the largest continent on the earth, close to the Pacific Ocean and the Indian Ocean. Coupled with the seasonal variation of planetary circulation in the upper air and the topography of the Qinghai-Tibet Plateau, it forms a unique monsoon circulation system in Asia. The thermal difference between land and sea in winter and summer causes the seasonal changes of the atmospheric activity centers (i.e. high and low pressure activity centers) between land and sea, and makes the monsoon wind direction change regularly.

In winter, the radiation on the Asian land cools rapidly, forming a dry and cold Siberian high (also known as Mongolian high) and a cold and wet Aleutian low in the North Pacific. Both are very developed, especially the former is very powerful and almost controls the whole Asian continent. It is the center of continental anticyclone and the source of dry and cold polar continental air mass, and also the source of continental monsoon in winter. Because the subtropical high and the continental high are linked together in winter, they are powerful and become the dominant climate in the Asian continent in winter and half a year. High-pressure dry and cold air flows outward. In winter, northwest wind prevails along the Pacific coast and northeast wind prevails along the Indian Ocean coast. This is the winter wind in East Asia and South Asia, with the characteristics of sunny, cold and dry winter high-pressure weather. Winter wind is a dry land wind, which is generally not easy to rain, but it can form a blizzard when it blows to the northwest of Japan. The warm sea invading Jiangnan metamorphic polar continental air mass can form cloudy and warm weather in winter and spring or rainy weather. In winter, the Qinghai-Tibet Plateau blocks the westerly airflow and divides it into two branches, forming a circulation situation in the southern trough of the northern ridge. Because of the existence of the high-pressure ridge in the northern plateau, it is very beneficial to the southward movement of the winter monsoon, which strengthens the influence of the winter monsoon and causes the winter climate in China to be cold. The low pressure trough in the south of the plateau has a great influence on the weather and climate in the south of China because of the large amount of warm and humid air flow in front of the trough. Due to the blocking of the plateau, the southern Xinjiang and Hexi areas on the north side of the plateau are dry and cold in winter; There is little cold air activity in India and Myanmar in the south, and it is dry and warm in winter. In winter, the Qinghai-Tibet Plateau is a cold source, which will strengthen the downdraft near the plateau, thus strengthening the winter monsoon circulation.

In summer, the Asian continent is controlled by the heating low pressure, and the low pressure centers are in northwest India, southern Iran and * * *, and are connected with the equatorial low pressure. At this time, the Hawaiian high extends westward and pushes northward, with the strongest force and the largest range, thus forming the southeast monsoon blowing from the western edge of the North Pacific high to the eastern part of Asia. This is the East Asian summer monsoon, which is a warm and humid air flow originating from tropical ocean air mass, and has the greatest influence on the Asian continent in summer. In South Asia, at this time, due to the northward shift of the planetary wind belt, the equatorial depression moved to the northern hemisphere, and the southeast trade winds in the southern hemisphere turned into southwest winds after crossing the equator. This is the summer monsoon in South Asia. When the southwest monsoon reached the Bay of Bengal and advanced northward, it was blocked by the Qinghai-Tibet Plateau and divided into two branches: one along the Himalayas to the west, thus maintaining the thermal depression in northwest India; The other branch flows to China along the mountain range, expanding the influence of southwest monsoon on China. The Qinghai-Tibet Plateau is the heat source of the surrounding free atmosphere in summer, which will inevitably strengthen the monsoon depression near the plateau, thus playing a role in strengthening the summer monsoon.

Responder: Painter-Juren Level 4 3- 17 16:39

monsoon climate

Monsoon climate is continental climate ... >>

Question 5: How is the monsoon climate formed? It can be divided into East Asian monsoon and South Asian monsoon.

East Asian monsoon blows northwest wind in winter and southeast wind in summer, which is caused by the difference of thermal properties between land and sea. Epidemic areas: China, Mongolia, Korean Peninsula and Japan.

South Asian monsoon blows northeast wind in winter and southwest wind in summer. Cause of formation: the northeast wind in winter is the difference of thermal properties between land and sea, and the southwest wind in summer is the seasonal movement of pressure belt besides the difference of thermal properties between land and sea. (Specifically, the southeast trade wind in the southern hemisphere passes through the equator with the movement of the sun's direct point in July, and is deflected into the southwest wind by the geostrophic deflection) Prevailing areas: South Asia and Malay Peninsula.

Question 6: Seasonal movement of wind zone in pressure zone caused by monsoon climate; Seasonal movement of pressure zone and wind zone.

Due to the revolution of the earth, the direct point of the sun moves between the tropic of cancer with the change of seasons, which also causes the seasonal movement of the pressure belt and the wind belt. In spring and autumn, the sun shines directly on the equator, and the equatorial low pressure area is located between 5 degrees north and south latitude on both sides of the equator. From the vernal equinox to the summer solstice, the direct point of the sun gradually moves from the equator to the tropic of cancer. During the summer solstice, the pressure belt and wind belt move about 5 degrees to the north than at the vernal equinox. At this time, the equatorial low pressure belt moves northward between the equator and the north latitude 10; Because the sun's direct exposure to the Tropic of Cancer is very short, and the formation of the low-pressure zone is too late, it is impossible for the equatorial low-pressure zone to move near the Tropic of Cancer. But at this time, the southeast trade winds in the southern hemisphere can blow all the way to the equator, and even some of them can cross the equator, blow to the northern hemisphere, and deflect into southwest winds.

From summer solstice to autumnal equinox, the direct point of the sun gradually moves south to the equator; From the autumnal equinox to the winter solstice, it moves south to the tropic of Capricorn. At this time, the pressure belt and wind belt on the ground generally move about 5 degrees south than the autumnal equinox and 10 south than the summer solstice. For example, the equatorial low-pressure belt has now moved southward between the equator and south latitude 10, and the northeast trade winds in the northern hemisphere can blow all the way to the equator, and some of them will be deflected into northwest winds through the equator. Because the pressure belt and the wind belt move north and south with the seasonal changes, the zone between 5- 15, 35-45 and 60-70 in the north and south latitudes becomes the transition zone of the wind belt.

baike.baidu/view/575405

Question 7: Analysis of the causes of Asian monsoon climate formation. Most of China is located in the north temperate zone, with mild climate and distinct seasons, which is suitable for human habitation and survival. Continental monsoon climate is the main feature of China climate. From September to April every year, a dry and cold winter wind blows from Siberia and Mongolia Plateau, which is cold and dry and has a large temperature difference between north and south. From April to September every year, a warm and humid summer monsoon blows from the eastern and southern seas, which is generally hot and rainy, and the temperature difference between north and south is very small. China is divided into six temperature zones from south to north: equatorial zone, tropical zone, subtropical zone, warm temperate zone, temperate zone and cold temperate zone. The precipitation gradually decreases from southeast to northwest, and the annual average precipitation varies greatly from place to place, reaching more than 1500mm in the southeast coast and less than 200mm in the northwest inland.

cause

As for the cause of monsoon, some people think that it is caused by the thermal difference between land and sea and the seasonal variation of this difference; Others believe that it is caused by the seasonal displacement of the planetary wind belt. Some climatologists in China believe that the monsoon phenomenon is a comprehensive phenomenon under the influence of three factors: the thermal effect of land and sea distribution, the seasonal variation of atmospheric circulation and the specific terrain. For example, the Indian monsoon is particularly remarkable and stable because the seasonal changes of the monsoon caused by the land and sea distribution are exactly the same as those of the planetary wind belt. In winter, India is located in the south of cold high pressure and in the trade wind zone, so the northeast monsoon in India is particularly stable; In summer, India is located in the south of the thermal depression. When the equatorial trough moves northward, the southwest wind will pass through it. So the southwest monsoon is particularly stable.

Asia is located in the east of Asia-Europe continent, the largest continent on the earth, close to the Pacific Ocean and the Indian Ocean. Coupled with the seasonal variation of planetary circulation in the upper air and the topography of the Qinghai-Tibet Plateau, it forms a unique monsoon circulation system in Asia. The thermal difference between land and sea in winter and summer causes the seasonal changes of the atmospheric activity centers (i.e. high and low pressure activity centers) between land and sea, and makes the monsoon wind direction change regularly.

In winter, the radiation on the Asian land cools rapidly, forming a dry and cold Siberian high (also known as Mongolian high) and a cold and wet Aleutian low in the North Pacific. Both are very developed, especially the former is very powerful and almost controls the whole Asian continent. It is the center of continental anticyclone and the source of dry and cold polar continental air mass, and also the source of continental monsoon in winter. Because the subtropical high and the continental high are linked together in winter, they are powerful and become the dominant climate in the Asian continent in winter and half a year. High-pressure dry and cold air flows outward. In winter, northwest wind prevails along the Pacific coast and northeast wind prevails along the Indian Ocean coast. This is the winter wind in East Asia and South Asia, with the characteristics of sunny, cold and dry winter high-pressure weather. Winter wind is a dry land wind, which is generally not easy to rain, but it can form a blizzard when it blows to the northwest of Japan. The warm sea invading Jiangnan metamorphic polar continental air mass can form cloudy and warm weather in winter and spring or rainy weather. In winter, the Qinghai-Tibet Plateau blocks the westerly airflow and divides it into two branches, forming a circulation situation in the southern trough of the northern ridge. Because of the existence of the high-pressure ridge in the northern plateau, it is very beneficial to the southward movement of the winter monsoon, which strengthens the influence of the winter monsoon and causes the winter climate in China to be cold. The low pressure trough in the south of the plateau has a great influence on the weather and climate in the south of China because of the large amount of warm and humid air flow in front of the trough. Due to the blocking of the plateau, the southern Xinjiang and Hexi areas on the north side of the plateau are dry and cold in winter; There is little cold air activity in India and Myanmar in the south, and it is dry and warm in winter. In winter, the Qinghai-Tibet Plateau is a cold source, which will strengthen the downdraft near the plateau, thus strengthening the winter monsoon circulation.

In summer, the Asian continent is controlled by the heating low pressure, and the low pressure centers are in northwest India, southern Iran and * * *, and are connected with the equatorial low pressure. At this time, the Hawaiian high extends westward and pushes northward, with the strongest force and the largest range, thus forming the southeast monsoon blowing from the western edge of the North Pacific high to the eastern part of Asia. This is the East Asian summer monsoon, which is a warm and humid air flow originating from tropical ocean air mass, and has the greatest influence on the Asian continent in summer. In South Asia, at this time, due to the northward shift of the planetary wind belt, the equatorial depression moved to the northern hemisphere, and the southeast trade winds in the southern hemisphere turned into southwest winds after crossing the equator. This is the summer monsoon in South Asia. When the southwest monsoon reached the Bay of Bengal and advanced northward, it was blocked by the Qinghai-Tibet Plateau and divided into two branches: one along the Himalayas to the west, thus maintaining the thermal depression in northwest India; The other branch flows to China along the mountain range, expanding the influence of southwest monsoon on China. The Qinghai-Tibet Plateau is the heat source of the surrounding free atmosphere in summer, which will inevitably strengthen the monsoon depression near the plateau, thus playing a role in strengthening the summer monsoon.

Responder: Painter-Juren Level 4 3- 17 16:39

monsoon climate

Monsoon climate is continental climate ... >>

Question 8: The causes of monsoon climate. Monsoon is a large-scale convection phenomenon with a period of one year, which is caused by land and sea distribution, atmospheric circulation, continental topography and other factors. Asia is the most famous monsoon region in the world, and its monsoon characteristics are mainly manifested in the existence of two main monsoon circulations, namely, the northeast monsoon prevailing in winter and the southwest monsoon prevailing in summer, and their transformation has an explosive mutation process with a short transition period. Generally speaking, 1 1 is the winter monsoon period, June-September is the summer monsoon period, and April-May and 10 are the transition periods between summer monsoon and winter monsoon. However, the seasonal differences in different regions are different, so the division of monsoon is not completely consistent.

Monsoon is a widely prevailing wind system, and the wind direction changes significantly with the seasons. Like the wind belt, it belongs to the planetary circulation system, and its formation is caused by the temperature difference between the ocean and the land in winter and summer. Summer monsoon blows from the ocean to the mainland, and winter monsoon blows from the mainland to the ocean.

Monsoon has a wide range of activities, affecting the area of 1/4 on the earth and the life of 1/2 people. The western Pacific, South Asia, East Asia, Africa and northern Australia are all areas with obvious monsoon activities, especially the Indian monsoon and the East Asian monsoon. There is also a small monsoon region along the Pacific coast of Central America, while there is no obvious monsoon region in Europe and North America, only some monsoon trends and phenomena appear.

In winter, the temperature of the mainland is lower than that of the adjacent ocean. There is a cold high pressure on the mainland and a corresponding low pressure on the ocean, and the airflow blows from the mainland to the ocean in a large range, forming a winter wind. Winter winds prevail in the northern hemisphere, especially on the east coast of Asia. The northbound monsoon extends from the mid-latitude to the equatorial region. This monsoon originated from Siberian cold high, and in the process of its southward eruption, it produced strong northerly winds and northeast winds in East and South Asia. In Africa and the Bay of Bengal, there is also an obvious northeast wind blowing near the equator. Although there are winter winds in the East Pacific and South America, they are not as obvious as those in Asia.

In summer, the ocean temperature is relatively low, the mainland temperature is high, and the ocean appears high pressure or the original high pressure is strengthened, and the mainland appears thermal low pressure; At this time, southwest and southeast monsoons prevail in the northern hemisphere, especially in the Indian Ocean and South Asia. Most of the southwest monsoon originated in the South Indian Ocean, crossed the equator on the east coast of Africa, reached South Asia and East Asia, and even reached central China and Japan. The other part of the southeast wind mainly comes from the northwest Pacific, and the southerly or southeast wind affects the eastern coast of China.

Summer monsoon generally goes through four stages: outbreak, activity, interruption and regression. The East Asian monsoon broke out the earliest, starting in early May, advancing from southeast to northwest, and stabilizing in late July. Usually retreat begins in mid-September, and the path is opposite to that when advancing. Under the counterattack of the northerly airflow, it gradually retreated from northwest to southeast.

The Xia Feng that affects China comes from three air currents: one is the Indian summer monsoon. When the Indian monsoon moves northward, the southwest monsoon can go deep into Chinese mainland; Second, the cross-equatorial airflow flowing through Southeast Asia and the South China Sea belongs to the low-altitude southwest airflow; Thirdly, the southeast monsoon from the west side of the subtropical high in the northwest Pacific sometimes turns to the southerly or southwest airflow.

At the beginning of May every year, the monsoon begins to appear in the northern part of the South China Sea, which has undergone three sudden northward advances and four static stages. It reaches the northern part of South China from the end of May to June 5- 10, reaches the Yangtze River valley from the end of June to the beginning of July, advances to the Yellow River valley from the middle of July to the 20th, and goes north to the border line-North China from the end of July to August 10. In China, the winter wind is stronger than the summer monsoon, especially in the eastern coastal areas, where there is often a north-northwest wind of magnitude 8 or above, accompanied by a cold wave. The south China sea is dominated by the northeast wind, and the number of strong winds is less than that in the north.

The monsoon region has a unique climate, and most of the precipitation comes from the prevailing summer monsoon. In ancient China, the use of monsoon to carry out navigation activities made brilliant achievements. Zheng He set sail for the first time in summer and returned in autumn in Ming Dynasty. The other six times set sail during the northeast monsoon in winter and returned during the southwest monsoon. This fully shows that the ancients had a profound understanding of the law of wind activity.

Due to the different degrees of heating and cooling between the mainland and the ocean in a year, the direction of a large range of winds between the mainland and the ocean changes regularly with the seasons, which is called monsoon. The most fundamental reason for the formation of monsoon is due to the different properties of the earth's surface and different thermal responses. Due to land and sea distribution, atmospheric circulation, large terrain and other factors, headwinds prevail in winter and summer with a one-year cycle.

[Edit this paragraph] Monsoon-Understanding

Monsoon has different names in ancient China, such as trade wind, yellowbird wind and plum blossom wind. In the coastal areas ... >>

Question 9: the causes of all monsoon climate southwest monsoon

Therefore, the main reason for the southwest monsoon is that the pressure belt wind belt moves with the seasons, and the southeast trade wind belt in the southern hemisphere moves northward across the equator, and then becomes the southwest wind under the influence of the geostrophic force in the northern hemisphere. The second reason is the difference in thermal properties between the Indian Ocean and Eurasia.

Southeast monsoon

The main difference in thermal properties between land and ocean is that the specific heat of land is small, and the temperature rises quickly, while the specific heat of ocean is large, and the temperature rises slowly.

Question 10: What is the cause of Asian monsoon climate? What is the cause of Asian monsoon climate?

Mainly Eurasia is the largest continent in the world, and the Pacific Ocean is the largest ocean in the world, and the thermal properties of land and sea are very different (from the northwest monsoon and northeast monsoon in the inland form in winter and from the southeast monsoon in the Pacific form in summer);

Secondly, the position of pressure belt and wind belt moves seasonally (southwest monsoon from Indian Ocean forms in summer).