Why in the tropics? Why is it warmer in the tropics than at the poles? Why is it always hot at the equator and cold at the pole?
away from the coast. Where and why does the wind blow? What kind of air does it carry?
The largest island on the globe is Greenland, which translated into Russian means “green country”. Why is this island over 80% covered?glaciers, is that what they call it? Please!
Guys, help! Geography test please!3. Based on the theory of lithospheric plates, the position of Australia in 50 million years may change as follows
a) it will move significantly into the Pacific Ocean
b) it will cross the equator and come into contact with Eurasia
c) it will approach in Antarctica
d) her position will not change in any way
6.What forces that change the Earth’s topography include groundwater?
a) to internal
b) to external
c) to underground
d) to hydrogenous
15. Why is the upper 50-meter layer of water most populated by organisms in the ocean?
a) because it is the warmest
b) because she is the most mobile
c) because a lot of nutrients enter it with precipitation
d) because it contains the most light
16. It is known that the temperature of surface waters is distributed depending on latitude. In certain areas of the ocean this pattern is violated:
a) the actions of aquatic organisms and bacteria
b thermal radiation from the earth’s crust and mantle
c) ocean currents
d) runoff of warmer waters and continents
17.What is the direction of the circular movement of water in the Atlantic Ocean?
a) In the northern part of the ocean - clockwise, and in the southern part - counterclockwise
b) in the northern part of the ocean - counterclockwise, and in the southern part - clockwise
c) in the northern and southern parts of the ocean clockwise
d) in the northern and southern parts of the ocean counterclockwise
18. In what layer of the atmosphere do air masses form and move?
a) in the mesosphere
b) in the troposphere
c) in the stratosphere
d) in all layers
19. Choose the correct statement(s)
a) water, unlike land, heats up slowly, but retains heat for a long time
b) the surface of the ocean absorbs 2/3 of the heat coming to the Earth from the Sun
c) the 10-meter surface layer of ocean water contains more heat than the entire atmosphere
d) the ocean is called a heat store on the planet
20. Is it true that the Gulf Stream and Kuroshio currents carry warm water from the tropics to temperate latitudes?
a) yes, this statement is correct
b) no, only the Gulf Stream carries warm water from the tropics to temperate latitudes
c) No, only Kuroshio carries warm water from the tropics to temperate latitudes
d) no, both currents carry cold waters from temperate latitudes to the tropics
Why is it always hot at the equator and cold at the pole?
At noon at the equator, the Sun is directly overhead, but as it moves toward the North or South Poles, its rays hit the Earth more and more obliquely.
The more vertically the sun's rays fall on the Earth, the more they heat it up. Oblique rays must heat a large area, which leads to large heat losses. Therefore, the air at the equator is warmer than at the pole.
The impact of the oceans should also be taken into account. At the equator, the ocean is warmer, and water evaporation is very significant. Heated air increases in volume and rises. It cools at the top, and rain clouds begin to travel south and north, towards the poles.
The difference in air and water temperatures creates conditions for the occurrence of sea and ocean currents.
Sea currents flowing from the equator are warm. Those that come from the North and South Poles are cold.
So, obliquely falling sun rays and cold water do not allow heat to accumulate at the poles. Therefore, it is always winter in the polar regions of the Earth. The North Pole region is covered with ice that does not melt even in summer. To navigate these waters, it is necessary to resort to the help of icebreakers.
The South Pole is located in Antarctica, a huge continent, most of which is covered with a layer of ice and snow about a kilometer thick. There is the coldest point on Earth - the pole of cold. In winter it gets 60 degrees below zero.
I know that since the angle of inclination of the axis of rotation of our blue planet in relation to the star practically does not change, the tropics are heated much more intensely than the poles. However, is this the only answer to the question posed?
Climate of the tropics and poles
The tropics are the geographic climatic zones of our planet between 23° of the Southern and Northern Hemispheres. Since this angle is nothing more than that already mentioned in the introduction, it is the tropics that determine the maximum latitude where our luminary can “take place” at the zenith, and only once a year.
The tropics are characterized by a hot climate: in summer the average temperature is fixed at approximately 25°C over the ocean and 35°C over land, while winter rarely drops below 10°C and 15°C, respectively. The trade winds dominate the surface of the sea, and the continental part of the tropics is entirely dominated by a dry tropical climate. In a narrow equatorial strip, trade winds give way to monsoons, due to which the annual volume of precipitation slightly increases.
The polar opposites of the tropics are the poles. Due to their geographical latitude, close to 90°, polar night reigns here for half of the year, and polar day for the remaining six months. Average winter temperatures are about -55°C and -40°C, respectively, at the South and North Poles, and summer temperatures are about -12°C and 0°C. It is worth noting that the North Pole is much warmer than the South Pole due to its geographical location: it is at sea level, and even in the ocean, while the South Pole is located on the Antarctic Polar Plateau, in the center of the continent, at an altitude of almost three kilometers.
Why is it warmer in the tropics than at the poles?
Now I can complement the answer given in the introduction.
- in the tropics the sun's rays fall almost vertically (maximum heat), and at the poles they fall “slidingly” (almost no heat);
- in the tropics, ocean masses have a greater influence;
- in the tropics there is much less precipitation;
- There is a kind of “cold cycle”: because of it, ice and snow at the poles almost never melt, and since they do not melt, there is constant cold there.
