منطقة مدارية

(تم التحويل من Tropics)
World map with the intertropical zone highlighted in crimson
مناطق العالم ذات مناخ مداري.

The tropics are the region of the Earth surrounding the Equator. They are delimited in latitude by The Tropic of Cancer in the Northern Hemisphere at قالب:Circle of latitude N and the Tropic of Capricorn in the Southern Hemisphere at قالب:Circle of latitude S; these latitudes correspond to the axial tilt of the Earth. The tropics are also referred to as the tropical zone and the torrid zone (see geographical zone). The tropics include all the areas on the Earth where the Sun contacts the a point directly overhead at least once during the solar year (which is a subsolar point) - thus the latitude of the tropics is roughly equal to the angle of the Earth's axial tilt.

The tropics are distinguished from the other climatic and biomatic regions of Earth, which are the middle latitudes and the polar regions on either side of the equatorial zone.

The tropics comprise 40% of the Earth's surface area[1] and contain 36% of the Earth's landmass.[2] اعتبارا من 2014, the region is home to 40% of the world population, and this figure is projected to reach 50% by the late 2030s.[3]

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الفصول والمناخ

مقال رئيسيs: مناخ مداري and موسم مطير
رسم بياني يبين المتوسط المناطقي للهطل الشهري. The tropics receive more precipitation than higher latitudes. The precipitation maximum, which follows the solar equator through the year, is under the rising branch of the Hadley circulation; the sub-tropical minima are under the descending branch ويتسبب في المناطق الصحراوية.
منظر جوي في بورا بورا، French Polynesia
غروب مداري على البحر في كوتا كينابالو، ماليزيا



انظر أيضاً

الهامش

  1. ^ "How much land is in the tropics?". God Plays Dice. 2007-12-04. Retrieved 2017-06-26.
  2. ^ "tropics". National Geographic Encyclopedia. National Geographic Society. Retrieved 2017-06-26.
  3. ^ "Expanding tropics will play greater global role, report predicts". Science Magazine. 29 June 2014.

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