The Friendly Arctic
نویسندگان
چکیده
منابع مشابه
On the Arctic Boundary Layer On the Arctic Boundary Layer
The boundary layer is the part of the atmosphere that is in direct contact with the ground via turbulent motion. At mid-latitudes the boundary layer is usually one or a few kilometers deep, while in the Arctic it is much more shallow, typically a few hundred meters or less. The reason is that here the absolute temperature increases in the lowest kilometer, making the boundary layer semi-permane...
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THE difficulties of living in the Arctic in the winter are matters of general knowledge. It is perhaps not so well known that th~reare quite different and very acute problems during the summer season. The most serious from the medical aspect is attack by biting insects-mainly mosquitoes and blackflies. Th~ degree of this menace is difficult to imagine, unless one has experienced it personally. ...
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The northern biotype of Echinococcus granulosus occurs throughout the holarctic zones of tundra and taiga, from eastern Fennoscandia to the Bering Strait in Eurasia and in North America from arctic Alaska approximately to the northern border of the United States. The cycle of the cestode is complex in taiga at lower latitudes, because of the greater diversity of potential hosts. In the Arctic a...
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ژورنال
عنوان ژورنال: The Geographical Journal
سال: 1922
ISSN: 0016-7398
DOI: 10.2307/1780649