Traditional Culture Encyclopedia - Weather forecast - Read the schematic diagram of atmospheric circulation distribution in the northern hemisphere and answer: (1) Draw an arrow in the diagram, indicating "three-circle circulation" (2) The pressure area
Read the schematic diagram of atmospheric circulation distribution in the northern hemisphere and answer: (1) Draw an arrow in the diagram, indicating "three-circle circulation" (2) The pressure area
(2) 90 is the polar high pressure area, 60 is the sub-polar low pressure area, 30 is the subtropical high pressure area, and 0 is the equatorial low pressure area. In the picture, A is near the equator, C is near 30, E is near 60 and G is near 90.
(3) 0-30? (b) The wind area near the ground is a trade wind area, and the wind direction in the northern hemisphere is northeast wind and the wind direction in the southern hemisphere is southeast wind. 30-60 (? d? The wind belt near the ground is westerly, the wind direction in the northern hemisphere is southwest, and the wind direction in the southern hemisphere is northwest .60-90 (? f? The wind belt near the ground is polar easterly wind, the wind direction in the northern hemisphere is northeast wind, and the wind direction in the southern hemisphere is southeast wind.
(4)D? It's a westerly belt, and the E is about 60 degrees, which is a sub-polar low pressure belt. The westerly wind direction is from low latitude to high latitude, and the temperature drops, which is easy to form precipitation. Sub-polar low pressure zone? Updraft is prevalent and it is easy to form precipitation.
(5)C is near 30 degrees, which belongs to subtropical high pressure area, and downdraft prevails, resulting in less rainy weather.
So the answer is:
(1) as shown in the figure:
(2) equatorial low pressure area, subtropical high pressure area, subtropical low pressure area and polar high pressure area
(3) polar easterlies in the mid-latitude westerly belt of the northeast trade wind belt.
(4) More? Sub-polar low pressure area? The prevailing updraft is easy to form precipitation. The direction of the west wind is from low latitude to high latitude, and the temperature drops, which is easy to form precipitation.
(5) It is not common in downward flow.
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