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Climatic zones of North America

Because of the considerable length from north to south, North America is located in all climatic zones of the northern hemisphere, except equatorial.

In the arctic climatic zone throughout the year, the cold and dry Arctic air prevails. Here the harsh winters and cold summers. In winter, a polar night reigns. The annual amount of precipitation does not exceed 100 mm.

In the subarctic belt, winter under the influence of the Arctic air is long, cold and not very snowy. The summer is cool and rainy, due to the arrival of moderate air masses. The average air temperature is +8 … + 12 ° С.

Within the temperate climatic zone, three climatic regions are distinguished. On the Pacific coast, which for a year has been affected by western winds from the ocean, a maritime climate has formed. Here precipitation is more than 2000 mm per year. The average temperature in January is -0 ° C, in July – + 10 … + 12 ° C. Beyond the mountains, in the center of the

continent, the continental climate region is formed. Here falls from 200 to 400 mm of precipitation a year. Summer is warmer, and winter is cold, so snow lies during the cold season. In the east, under the influence of seasonal winds, there was a monsoon climatic region with humid and cool summers and dry and cold winters. Because of the cold Labrador Current, thick fogs often occur here.

In the subtropical climatic zone, three regions are also distinguished. In the western part of the belt formed the Mediterranean region with a wet and warm winter and dry and hot summer. In the east – a monsoon region, similar to a similar region of the temperate zone, only with higher air temperatures. In the center of the continent is the continental region. Precipitation throughout the year is small, the annual amplitude of temperature fluctuations are large.

In the tropical belt, two regions are distinguished. In the east, under the influence of the moist north-east trade wind, a marine area with uniform considerable moisture was formed during the year. The air temperature here rarely falls below + 20 ° C. The

annual rainfall exceeds 1500 mm. On the California peninsula, under the influence of cold currents, a continental climate region was formed. Precipitation is not enough here. Annual and diurnal temperature differences are significant.

A small area in the extreme south of the continent lies in the subequatorial belt. Climatic conditions in much of North America are favorable for the cultivation of a variety of crops: in the temperate zone – wheat, corn; in subtropical – rice, cotton, citrus; in tropical coffee, sugar cane, bananas. In the tropical belt, two to three crops are harvested per year.

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The role of the atmosphere in the life of the Earth. Distribution of air temperature on Earth 1. What are the main properties of the atmosphere? The atmosphere is a necessary condition for the birth and existence of life on Earth. The air from which the atmosphere consists is necessary for breathing all living things. A person can not help breathing air even for 1 minute, and only prolonged workouts can extend […]...

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The interaction of the ocean with the atmosphere and the land 1. How is heat and moisture exchanged between the ocean and the land? The waters of the World Ocean interact with the air of the atmosphere and through the transfer of air masses affect the temperature and humidity on the land surface. 2. What is the difference between air masses formed over land and ocean? […]...

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Natural conditions of the Caucasus 1. In what direction is the Great Caucasus stretching? The Great Caucasus stretches in a sublatitudinal direction from the west-north-west to the east-south-east. 2. Which of the three parts is divided into the Main Caucasian Range? Several mountain ranges are distinguished in the Caucasus mountains. The axial part of the Caucasus is the Main and […]...

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The coastline of North America Unlike the continents of tropical latitudes, North America has a much more dismembered coastline. There are many islands, peninsulas, bays and straits. Near the northern and eastern shores of the continent lie islands of continental origin. Among them, Greenland is the largest island in the world. Its area is 3.5 times larger than the territory […]...

Deserts and semi-deserts of Eurasia In the most remote from the oceans parts of Central Asia and the Arabian Peninsula, where precipitation is a rarity, a zone of deserts and semideserts stretches. It lies in the continental climatic regions of temperate, subtropical and tropical belts. The largest deserts of the temperate zone are the Karakum, Kyzylkum, Takla-Makan and Gobi. Here, […]...

Regularities of the change of natural complexes of land and ocean In the fact that there are different natural complexes on land and in the Ocean, one can be convinced by realizing an imaginary journey along one of the meridians from north to south. Such a change of natural complexes can be traced on all continents. Its main cause on the plains is the change in […]...

The population of North America 1. What is the origin of the peoples of North America? The origin of the peoples of North America, as well as of the peoples of South America, is the history of the conquest and settlement of continents by Europeans. If in the colonization of South America the greatest participation was taken by the Spaniards […]...

Countries in North America The political map of North America in general terms was formed at the beginning of the 20th century. Now in the region there are 37 states and territories. Of these, 23 are sovereign states, the rest are in the possession or under the tutelage of other states. Canada stands out for the area. USA and […]...

Key facts on the topic “South America” The continents of South and North America form a single part of oppression. The northern part of South America crosses the equator, the middle part – the Southern Tropic, and the southern part of the continent reaches 54 ° S. extending into temperate latitudes. Part of the world America was discovered by Christopher Columbus in […]...

Nature of Siberia 1. In what climatic zones are Siberia and the Far East located? Why are there four climatic regions in the temperate climate? The region is located in the arctic, subarctic and temperate climatic zones. The presence of several climatic regions within the same belt is explained by the great extent of the region in the […]...

Scheme of surface currents 1. Find in the text an explanation of the causes of ocean currents. What general rule is the movement of the main currents subject to? You already know that currents form in the seas and oceans, which are peculiar rivers in the ocean. If you compare a map showing the main directions of wind currents, […]...

Tundra in North America The northern coast of the mainland occupies the zone of the tundra. In the west, its southern boundary runs along the Arctic Circle, and in the east direction it moves far to the south to the Hudson Bay. The climate in the tundra is subarctic. Summer in the tundra is short and cool. The soil […]...

High altitude Andes in South America The higher the mountains and the closer they are to the equator, the more have the natural belts from the foot to the top. In the Andes, near the equator, the moist equatorial forests rise to a height of 1500 m above sea level. Above the equatorial forests are replaced by a belt of mountain […]...

The climate of Antarctica The climate of Antarctica is the coldest and harsh on the globe. This is primarily determined by the geographic position of the continent and a significant height above sea level. In the central part of the city there is Polar Day, half a year – Polar Night. During the Polar day, the sun does not […]...

Climatic zones of North America

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