Glaciers of Eurasia and permafrost

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1. Lakes and glaciers of South America Lakes. There are not many big lakes in South America. The largest of them is Maracaibo in the north of the mainland. The basin of this lake has a tectonic origin and is located in the crust of the earth’s crust. The lake connects with a narrow strait with the Caribbean Sea, for which it […]...
2. Physiographic location of Eurasia Eurasia is the largest land mass on our planet. In terms of area, it occupies more than 1/3 of the Earth’s total land area. Like North America, Eurasia is located entirely in the Northern Hemisphere relative to the equator. Its extent from west to east is impressive: the continent crosses not only the zero, but […]...
3. Inner waters of Eurasia 1. Why are large areas covered in Eurasia with modern glaciers? The northern islands and peninsulas of Eurasia, as well as the belt of high mountains in the south are covered with snow and ice, which do not melt throughout the year. This is due to the conditions that are necessary for the formation and […]...
4. Basic facts on the topic “Physiographic location, discovery, study and relief of Eurasia” The physiographic position of Eurasia is determined by its size, a large extent from west to east and from north to south. Eurasia lies in all climatic belts of the Earth. It is the only continent that is washed by the waters of all four oceans. The coastline of the continent is strongly dissected, there […]...
5. The structure of the Earth’s crust of Eurasia The territory of Eurasia has been formed for hundreds of millions of years. The structure of the earth’s crust of Eurasia is more complex than that of other continents. Eurasia is located within three large lithospheric plates: the Eurasian, the Indo-Australian and the North American. At the heart of the lithospheric plates are several ancient […]...
6. Lakes of Eurasia In Eurasia there are many lakes. The largest in terms of area lakes in the world include Baikal, Balkhash and Ladoga. However, the unconditional world leader is the Caspian Lake, which because of its considerable size is even called the sea. In Eurasia, along with giant lakes, there are thousands of small ones that resemble […]...
7. Relief of Eurasia Due to the complexity of the structure of the earth’s crust and the long history of its development, the surface of Eurasia is more diverse than other continents. Here are the largest plains The earth and the highest mountains, the deepest depression on land and the largest lowland of the world, which lies below the […]...
8. Relief and minerals of North America 1. Explain the location of large relief forms on the mainland. Why are the Cordilleras located in the west of the mainland? Map the physical map of North America with a map of the structure of the earth’s crust. The North American platform is expressed in relief by the Central and Great Plains, and the […]...
9. The coastline of Eurasia The coasts of Eurasia are strongly dissected. The length of the coastline of Eurasia is more than 2.5 times longer than the Earth’s equator. Near the coast of the mainland there are large sea areas. In the Atlantic Ocean – the Northern, Norwegian, Baltic, Mediterranean, Black, Sea of ​​Azov. In the Arctic – Barents. Karskoe, […]...
10. Distribution of water resources in Eurasia. River basins Distribution of water resources on the mainland. Due to significant climatic differences in Eurasia, the water of the dry land is very unevenly distributed on its territory. Their thickest network is observed on the ocean coasts. With the advance deep into the continent, the number of reservoirs decreases. But the level of water supply in […]...
11. Influence of the underlying surface on the climate of Eurasia The relief has a significant impact on the climate of the continent. The predominance of flat areas in the west of Eurasia contributes to the development of humid Atlantic air masses deep into the land. Their influence is felt even beyond the Ural Mountains, although considerably weakened. On the Eastern European Plain, cold Arctic air […]...
12. Taiga in Eurasia The natural zone of the taiga, or coniferous forests, occupies large areas in the north of the temperate zone. The summer here is quite warm, precipitation falls 300-600 mm. This is quite enough for the growth of trees. Since the zone of the taiga is full of permafrost, water can not infiltrate into the lower […]...
13. Origin of continents and oceans 1. Which structure has the lithosphere? What phenomena occur on the boundaries of its plates? The lithosphere is heterogeneous in structure and consists of the earth’s crust and the upper part of the Earth’s mantle. The Earth’s crust is divided into oceanic and continental crust. The continental crust is much thicker than the oceanic crust […]...
14. The structure of the earth’s crust of North America North America along with Eurasia is the remnant of the ancient continent of the northern hemisphere of Laurasia, which began to split into modern continents at the end of the Mesozoic era about 100 million years ago. The oldest and largest in area tectonic structure of North America is the North American platform, which is […]...
15. Influence of geographical latitude on the climate of Eurasia The climate of Eurasia is very diverse. The north of the continent lies beyond the Arctic Circle, the southern parts – between the Southern Tropic and the equator. This determines the location of Eurasia in all thermal and climatic zones of the Earth. As in North America, with the progress from north to south, the […]...
16. Minerals of Eurasia In Eurasia, there are all kinds of minerals that humanity uses. This is due to the size of the continent and the complex structure of the earth’s crust. Large deposits of iron ore are discovered in France, on the Scandinavian Peninsula, on the Eastern European Plain, in Kazakhstan, Siberia, on the Dekan plateau in India. […]...
17. Relation between the forms of the Earth relief and the structure of the lithosphere The lithosphere is the hard shell of the Earth, consisting of the earth’s crust and the upper layer of the mantle. Forty years ago, a scientific theory of lithospheric plates arose. According to this theory, the lithosphere is broken by giant cracks into separate blocks – lithospheric plates. The boundaries of the plates pass along […]...
18. Patterns of the distribution of natural areas in Eurasia Since the territory of Eurasia lies in all climatic zones of the Northern Hemisphere, all natural zones known on the planet were formed here. On the mainland, in contrast to North America, the latitude zonation of natural zones is more apparent, that is, their change from the equator to the poles. In addition, due to […]...
19. Features of the Eurasian landform, its development 1. How does the relief of Eurasia differ from the relief of other continents? In Eurasia, as on all other continents, there are mountains and plains. Here are the highest mountains and the most extensive plains. From the plains and plateaus of North and Central Asia, the peninsulas of the South-West, South and South-East Eurasia […]...
20. Natural areas of Eurasia 1. What is the law of natural zoning in the territory of Eurasia? This geographical law in the territory of Eurasia is most clearly manifested in the sequence of alternation of natural zones. One natural zone replaces another when moving from north to south. 2. It is known that in the forests more vegetative mass […]...
21. Basic facts on the topic “Natural areas of Eurasia” The natural zones of Eurasia are replacing each other from north to south – from the arctic deserts to the moist equatorial forests, but not all of them are stretched by a continuous strip from west to east. This is due to the variety of climatic conditions and the features of the relief on the […]...
22. Relief of North America The relief of North America is closely connected with its tectonic structures. The ancient and young platforms in the modern relief correspond to the plains, the regions of folding in the extreme West and East – the mountains. Plains occupy 2/3 of the surface. The Canadian shield corresponds to the relief of the Laurentian Upland, […]...
23. Climatic zones and regions of Eurasia The great extent of Eurasia from north to south determines the formation over its territory of all types of air masses of arctic, temperate, tropical, equatorial. Therefore, the continent is located in all climatic zones of the northern hemisphere. The considerable length of the continent from west to east predetermines the difference in the climate […]...
24. The relief and minerals of South America 1. What processes form the relief of the east of the continent? To answer this question, you need to compare two maps – a map of the structure of the earth’s crust and a map of the modern relief. Look at these maps and compare the structure of the earth’s crust in the east and […]...
25. General information about Eurasia The area is 54.6 million km2. The population is -4.95 billion people. The highest point at sea level is the city of Jomolungma, 8850 m. The lowest point from sea level is the surface of the Dead Sea. The longest river is the Yangtze River, 5800 km. The largest lake is the Caspian Sea. The […]...
26. Relief of the Earth 1. What is a relief? What are the reasons for its diversity? To answer the second question, it is necessary to imagine how the relief is formed, what forces contribute to the occurrence of unevenness on the Earth’s surface, how the internal and external influences during the formation of the relief differ from place to […]...
27. Political map of Eurasia The state borders of the countries of Eurasia have been constantly changing throughout the history of mankind. In Europe, the ancient civilizations of Greece, the Roman Empire, on the territory of Asia – Babylon. Assyria, India and China. Numerous military campaigns, wars of conquest, the annexation of new lands led to the disappearance of some […]...
28. Lakes, swamps and underground waters of Africa Lakes. The basins of almost all large African lakes are of tectonic origin, that is, they are in faults, or deflections of the earth’s crust. The largest in the area of ​​the lake of the African continent is Victoria. It is in the deflection of the platform, so it is relatively shallow. Tropical storms often […]...
29. Plan for the study of the continent Physico-geographical position: the area of ​​the continent, its location relative to the equator, the zero meridian, the tropics and polar circles, seas and oceans, other continents; extreme points; the length of the continent from north to south and from west to east. History of discovery and exploration of the continent. The structure of the earth’s […]...
30. Key facts on the topic “North America” North America is completely located in the Northern and Western hemispheres, stretching almost 7 thousand km from north to south, has a heavily dissected coastline. Its closest neighboring continents are Eurasia and South America. The first of the Europeans reached the northern coasts of North America, the Normans in the 10th century, but information about […]...
31. The minerals of Africa The occurrence of minerals is associated with the geological structure of the continent. On the shields, where the crystalline rocks of the foundation of the platform come to the surface, and deposits of ore minerals are found in the folding belts of different ages. The so-called “copper belt”, which extends through all of East Africa […]...
32. Lakes of North America North America is the mainland of large lakes. The pioneers of America, mastering new lands, liked to add the epithet “big” to the name of the geographical object. And we were not mistaken, because of the world’s eight largest lakes in the world, 8 are located here. Most of the lakes are mainly tectonic or […]...
33. Interesting facts about “Eurasia” The first map, which depicted Europe, Asia and part of Africa, was made by the ancient Greek scientist Eratosthenes of Cyrene. She was very imperfect. The land occupied most of the map. The Bosphorus is the narrowest intercontinental strait in the world. Its width is 750-3700 m. The name means “bullish ford”. The Kerch Strait, […]...
34. Tundra in Eurasia To the south, towards the line of the Arctic Circle, in the conditions of the subarctic climate, the zone of the tundra – swamped treeless areas stretches. In Asia, the tundra extends far to the south. In Europe, because of the influence of warm currents, the area of ​​this natural zone is much smaller. The […]...
35. Altitude zonation of the mountains of Eurasia The change in the altitude belts depends on the natural zone at the foot of the mountains and their height. Thus, in the north of Eurasia, four belts are replacing each other from the foot to the top: forests, cedar pine belt, mountain tundra and perennial snow. With the advance to the south, the number […]...
36. Rivers of North America Among Africa, Australia and South America, North America is second only to South America in terms of the density of the river network and the number of rivers, lakes and marshes. However, due to the heterogeneity of the climate, they are unevenly distributed. The rivers of North America belong to the Atlantic basins. Pacific and […]...
37. Composition on the theme “Mountains” A narrow mountain valley, called a gorge, passes a mountain road. The motorway seems like a thin light ribbon against the background of the mountains. All the rest of the space, where there is enough sight, is occupied by huge mountains, their slopes and peaks. Above them is only the sky. Closer to the road, […]...
38. Nature of the north Permafrost… Is not it, sounds somewhat ominous? Imagination draws a kingdom of non-melting ice, an unassailable abode of the Snow Queen. Meanwhile, in Russia, as elsewhere in the world, they learned not to be afraid of permafrost, they built large cities on it. So, in Yakutsk there is a unique Permafrost Institute, engaged in research […]...
39. The influence of atmospheric circulation on the climate of Eurasia The climate of the continent is affected by the constant movement of air due to the formation of areas of high and low atmospheric pressure, especially the western transport – the constant wind of temperate latitudes. From the area of ​​high pressure over the Atlantic Ocean, it brings moist sea air to the continent. Marine […]...
40. Research in Central Asia Central Asia, remained for Europeans a continuous “white spot” in the middle of the XIX century. Petr Semenov-Tian-Shansky, Nikolai Przhevalsky, Pyotr Kozlov and others made a noteworthy contribution to the study of these inaccessible areas of the continent. The first scientific trip to the Tien Shan mountains was carried out in 1856-1857. Petr Semenov Tian-Shansky, […]...