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Glaciers
Glaciers are large, dynamic bodies of ice that form over long periods of time when snow accumulation exceeds ice ablation. They are among the most significant forces shaping Earth's landscape over long time scales. Glaciers are currently found at Earth's poles and in mid-latitude and equatorial mountains.
1,124 Questions
Is there a list of World War 2 soldiers from Colorado?
Public records in Colorado show the known soldiers who fought in World War 2. These lists may not be 100 percent accurate or intact, but they are one of the best ways to learn the names of the soldiers who fought in the war. However, finding these lists and documents may be a bit challenging.
Why is the melting of glaciers an urgent environmental concern?
Why is the melting of glaciers an urgent enviromental concern
Why does glaciers and polar ice caps have greatest amount of fresh water?
Cause Of Snow Marins And Glaciers
They can't exactly die as they aren't alive, but they can melt.
What is the difference between glacier national park and glacier bay national park?
One is in Montana, one is in Alaska. Both have glaciers within them (for now at least), but GNP has them at the top of mountain ranges and GBNP has them travelling to the ocean.
Norway famous for these natural landmarks water passes through these cliffs formed by glaciers?
Fjords.
How did the glaciers affect the land in the colonies?
Glaciers in the colonies shaped the land by carving out valleys, creating lakes, and depositing rocks and debris as they moved. This process significantly influenced the landscape, soil composition, and natural resources of the region.
What is the shape of a valley that is eroded by a stream and a glacier?
A stream shaped valley is usually 'V' shaped. A glacier formed valley is usually 'U' shaped.
What percentage of Earth's water is found in glaciers?
About 1.7 percent (and falling, as many glaciers are melting due to climate change).
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The upper layers of the bed materials are deformed by the frictional drag of the overlying ice. Unconsolidated material will act like a ball bearings and allow the glacier to move forward.
What glacier weather's rock's by plucking?
A glacier will pick up rocks as it moves downhill. It is these rocks that gouge out the underlying ground and will eventually form a 'U' shaped valley. As the rocks are also ground down into a paste, the bed rock layers the glacier moves over can become quite polished.
What latitudes are most likely to see glaciers?
The most likely latitudes to see glaciers are maritimeareas north of 35˚N and south of 35˚S. This is because these regions are cooler than the lower latitudes and are within the westerly wind belt.
Being within the westerly wind belt means that areas close to the sea will see high precipitation that does not decrease above a certain altitude as convective rainfall in hotter latitudes does. This means that when a moist flow forms on a high enough mountain, it can generate enormous snowfall that even warm summer conditions cannot melt.
In continental regions north of 35˚N and south of 35˚S, snowfall is likely to be light even though the winters are much colder than in more maritime localities. This is because the westerly winds have a strong tendency to dry out when they are forced to descend from a mountain range, as seen in the heavily glaciated Wet Andes, Southern Alps, Olympics, Cascades and Prokletije. The result is that areas leeward of those ranges, even though located in an unstable weather belt of changing frontal systems, are far from humid as the air is subsiding. Under these conditions, no matter how cold it is there is often not enough snowfall to form glaciers, especially as further inland summers can be hotter with more melting.
Between 35˚N and 35˚S (the Tropical and Unenriched Worlds plus a few of the hottest parts of the Enriched) glaciers are confined to a few very high and young mountains, almost exclusively the Himalayas and Andes. Even there they are restricted by the tendency of precipitation to decrease above around 2,500 metres (8,200 feet) because of the low effectiveness of convective rainfall in cool temperatures. In the desert belts between 19˚ and 27˚ from the equator, no glaciers exist anywhere in the world, not even in the Andes.
The rock is called a glacial erratic when it is left behind by a glacier, and is of a completely different material composition than the rocks on which it was deposited.
What causes erosion to occur magnets or glaciers?
Magnets do not play any role in erosion. Glaciers are ony of many things that cause erosion.
Primary Succession
How could you explain why glacial deposits are found in areas where no glaciers exist today?
Pangea was a super continent and that was a time when all of the continents were joined together. when Pangaea broke apart, they moved to different locations which are different climate zones so glaciers no longer existed in places where the climate changed from cold to hot.
