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What factor could contribute to a glacier advancing instead of retreating?
Wiki User
∙ 11y ago
The rate of movement is determined by: * Amount of basal debris: (More debris will slow it down). * Amount of basal meltwater: (More meltwater will speed it up, however if there is too much meltwater, the glacier will simply 'buoy up' and not move at all). * Gravity. * Gradient: (Steeper gradient, faster movement). * The thickness of ice: (Which influences basal temperature and pressure melting point). * Internal temperature of the ice. * The glacial buget: (positive budget, faster rate of movement). * Surges: (such as avalanches greatly increase the speed of a glacier).
Wiki User
∙ 16y ago
Wiki User
∙ 13y agoA glacier is usually formed by snow compressed at its upper end. It is forced downhill due to more snow piling up at its rear, pushing it forward due to the force of gravity. When the weight of new snow piling on top of the glacier gets heavy enough, it will be forced to move (flow) downhill.
Wiki User
∙ 11y agoi wasn't to sure about this question either but then ithoughtabout it and i came up with a result. Temperature canbe thefactor. if its cold, it will advance and if its warm it will retreat.
-t
Wiki User
∙ 13y agoGlaciers advance from the weight of new snow on their very tops adding enough weight so that the icy glacier is pushed downhill. This is always happening, at least a little. A glacier's retreat is caused by melting at the lower end.
Glaciers are bodies of Ice that are generally located in mountain Valleys. They vary of size and can contain hundreds of liters of waters. The biggest Glacier is located in Antarctica; it is 514km long and 40km wide. It is called the Lambert-Fisher Glacier. It is absolutely massive and it is, despite Global Warming, growing. The sheer weight of a glacier combined with gravity enforces it to descend from mountain tops where they are first formed due to the lower temperatures found there. When they descend, they erode the surface of the soil away and they pluck at the mountain. These two processes allow the formation of a typical Glacier trough, characterized by its U-form. Glaciers periodically retreat and advance, when Glaciers grow, they advance. If a glacier advances, it implies that accumulation of snow is greater than the melting of snow. However, when Glaciers shrink, they retreat. If a glacier retreats, it implies that accumulation of snow is insufficient and lesser than the melting of the snow.
Wiki User
∙ 11y agoWiki User
∙ 11y agoIf a glacier surges than it advances and if the climate is cold but when it retreats the sun comes out and melts it melts downward.
Wiki User
∙ 10y agoThe budget of a glacier. That is, the balance of ablation (loss of glacial ice) on one end and the accumulation of snow/ice on the other end.
zi g
It slides on its wet underbelly down slopes and mountains
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Which activity does NOT contribute to global warming?
Riding bicycles.Walking to school.Walking to the corner shop instead of driving.Dressing warmly on cold days and leaving the electric heaters off.Dressing cooly on hot days and leaving the air conditioning off.Turning off your TVs and appliances at the wall instead of with the remote control.Turning your lights off when you leave a room.Turning computers off when you are finished reading WikiAnswers.
What is the real reason liberals made up global warming?
What do you mean by "made up"? It has been measured. The planet is clearly warming, glaciers retreating around the globe, sea level on the rise. Earth should be cooling, slightly, instead of warming up rapidly, according to orbital cycles. Skeptics generally believe global warming was invented to control people and reduce their life style while also cashing in on products said to help diminish or stop global warming, or make the planet a greener and healthier place overall, preserving it in pristine condition for many future generations to come.
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What change would occur in a glacier if average annual temperature rose and the precipitation decreased?
The glacier would retreat. The rise in temperature would cause the glacier itself to start melting, and in addition, would lower the amount of precipitation in the form of snow at the top of the glacier. It would be rain instead. Lowering the precipitation would cause less ice formation as well and would also contribute to the glacier retreating.
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Why when rivers receive water from glacial meltwater appear milky blue in color?
This water has a lot of rocks from the glacier suspended in the water causing it to be milky instead of clear.
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How does a glacier affect the Earth's surface?
Basically it's a river just like any other so what it does is erode a channel through the mountains. Thing is, instead of making a "V" shaped valley like a liquid river would, a glacier makes a "U" shaped valley. When the glacier retreats, the steep slopes collapse pretty readily so you get landslides everywhere. Alternatively, if the sea rises, the valley forms a fiord (ala Milford Sound in New Zealand).
Why is the Sons of Liberty arranged to have 3 riders warn that the British were advancing?
They might have sent three riders instead of one so that if one is caught,there are still two more people left to warn the colonists.
