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Latitude and climate


Effect of Latitude on Climate

Latitude determines the amount of solar radiation a region receives and how that affects the temperature and climate.



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The midnight sun is a natural phenomenon that occurs in the local summer months, in places north of the Arctic Circle or south of the Antarctic Circle: in it, the sun remains visible at the local midnight.

Around the summer solstice (approximately 21 June in the north and 22 December in the south) the sun is visible for the full 24 hours, given fair weather.

The number of days per year with potential midnight sun increases the farther towards either pole one goes. Although approximately defined by the polar circles, in practice the midnight sun can be seen as much as 90 km outside the polar circle.

There are no permanent economically autonomous human settlements south of the Antarctic Circle, only research stations. Thus the countries whose populations experience it are limited to those crossed by the Arctic Circle: Canada (Yukon, Northwest Territories, and Nunavut), Greenland, Iceland, Finland, Norway, Russia, Sweden, and the United States (Alaska). A quarter of Finland’s territory lies north of the Arctic Circle and at the country’s northernmost point the sun does not set at all for 60 days during summer. In Svalbard, Norway, the northernmost inhabited region of Europe, there is no sunset from approximately 19 April to 23 August.

The opposite phenomenon, polar night, occurs in winter when the sun stays below the horizon throughout the day.
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  • Wikipedia contributors. “Midnight sun.” Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, 1 Oct. 2015. Web. 2 Oct. 2015.

Arctic summer Sun doesn't set gif


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