Dictionary » G » Glaciers



An immense field or stream of ice, formed in the region of perpetual snow, and moving slowly down a mountain slope or valley, as in the alps, or over an extended area, as in Greenland.

The mass of compacted snow forming the upper part of a glacier is called the firn, or neve; the glacier proper consist of solid ice, deeply crevassed where broken up by irregularities in the slope or direction of its path. A glacier usually carries with it accumulations of stones and dirt called moraines, which are designated, according to their position, as lateral, medial, or terminal (see Moraine). The common rate of flow of the alpine glaciers is from ten to twenty inches per day in summer, and about half that in winter.

(Science: geology) glacier theory, the theory that large parts of the frigid and temperate zones were covered with ice during the glacial, or ice, period, and that, by the agency of this ice, the loose materials on the earth's surface, called drift or diluvium, were transported and accumulated.

Origin: f. Glacier, fr. Glace ice, L. Glacies.

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Which animal does this tooth belong to?

... species was world wide (maybe) It was on top of the mountain maybe because the top of the mountain was once the sea floor and as you know glaciers move and it could of been carried down from the top, the movement of the glacier has disturbed it and brought it to the surface, any signs ...

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by vk4vfx
Wed Nov 20, 2013 9:28 am
Forum: Zoology Discussion
Topic: Which animal does this tooth belong to?
Replies: 2
Views: 2326

Re: Which animal does this tooth belong to?

... Is it flattened with two sharp edges? It looks to be. What a shark was doing on top of a mountain is a bit of a mystery, but then things found in glaciers tend to be thousands of years old and still very fresh looking.

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by animartco
Mon Aug 05, 2013 11:33 am
Forum: Zoology Discussion
Topic: Which animal does this tooth belong to?
Replies: 2
Views: 2326

Global Warming and Ocean Environmental Changes

... “The main causes of increased global average sea level during the 21st century are likely to be thermal expansion of the ocean, melting of small glaciers, and the melting of the Greenland and Antarctic ice sheets”. Increasing Ocean Acidity and the Marine Environment Rising sea levels is not the ...

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by nylecar
Tue Oct 20, 2009 12:18 pm
Forum: Ecology
Topic: Global Environmental Change
Replies: 68
Views: 110909

Age of Man

... then got exagerrated in the telling; I'm just trying to keep all possibilities open. And as for there not being enough water, what if all of the glaciers and polar ice caps melted completely? I believe they already contain the vast majority of the world's water; if they all melted, would it be ...

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by alextemplet
Sun Feb 03, 2008 10:38 pm
Forum: Evolution
Topic: Age of Man
Replies: 31
Views: 15374

Anthropogenic global warming?

... which is the Gulf Stream. That is to say, the warm air that circulates in the Atlantic is a function of the Gulf Stream, as global temps rise, the glaciers in Greenland melt, this causes the salt of the Atlantic to drop, and hence the Gulf Stream warm air loop is decreased. Since the Gulf Stream ...

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by MichaelXY
Sat Dec 08, 2007 12:39 am
Forum: Ecology
Topic: Anthropogenic global warming?
Replies: 188
Views: 162625
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