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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

How much of the earth's freshwater is stored in glaciers?

The amount of water locked up in ice and snow is only about 1.7 percent of all water on Earth, but the majority of total freshwater on Earth, about 68.7 percent, is held in ice caps and glaciers.

What wildlife live on the Glacier Bay?

Wildlife in Glacier Bay National Park includes humpback whales, orcas, sea otters, harbor seals, bald eagles, puffins, black bears, and mountain goats. The diverse ecosystem supports a variety of marine and terrestrial animals.

What are glaciers used for?

Glaciers hold a large amount of water. If they melted (with global warming that's likely in part) the released water would raise the sea level, swamping some low-lying countries such as Bangladesh, and threatening many coastal cities such as New York, London (England) and New Orleans.

How much of earths water is frozen water?

A bit less than 2% of the worlds water is frozen. Antarctica accounts for about 80% of the worlds fresh water.

What Colorado city has its own glacier?

In 1927 the city of Boulder acquired the Arapaho Glacier as part of a 3,685 acre land purchase from the federal government for the purpose of protecting the city's water supply. Boulder now has the distinction of being the only city in the United States that owns a glacier. It also owns several pristine lakes further down the valley that are strictly off limits to the public.

What is it called when a melting glacier accumulates sand gravel and rock?

When a melting glacier accumulates sand, gravel, and rocks, it forms a landform called a moraine. There are different types of moraines such as terminal, lateral, and medial moraines, depending on where they are deposited in relation to the glacier.

What do glaciers do that rivers do not?

Hi Well, the only similarity is that they are both made of water. A glacier is a huge lump of water ice and nothing more. If a glacier melted fast enough it would become a river, although, as has tragically happened in South America, a glacier that is melted super-fast by being in the path of an exploding volcano turns into a river of mud and debris roaring into villages at 100mph, with the expected devastation. Phil

How many glaciers are there on earth?

There are estimated to be around 198,000 glaciers on Earth.

How do melting glaciers affect a region?

Melting glaciers can be a danger to society. The melting of glaciers means that the sea level would rise. This could put some current sea-level cities underwater, causing damages and forcing people to find higher ground.

What is a moranies?

It appears there is no common term or concept known as "moranies." It may be a misspelling or a reference to something specific that I am not familiar with. If you can provide more context or details, I may be able to help further.

Where are most glaciers located?

Most glaciers are located in Alaska, Greenland, and Antarctica. However, glaciers can be found on every contintnent. For glacier locations in the US, there are glaciers obviously in Glacier National Park (Montana), and Denali National Park (Alaska).

What are Piedmont glaciers?

Piedmont glaciers are a type of glacier that forms when a valley glacier spills out onto relatively flat plains, creating a wide fan-shaped lobe. These glaciers are common in regions with mountainous terrain, where the glaciers flow downhill and spread out as they reach lower elevations. Piedmont glaciers can be found in places like Alaska, Norway, and the Alps.

How do animals affect glaciers?

Glaciers affect animals because it has killed allot of animals over time.But some animals are use to cold weathers like that like for example polar bears or other animals that u can thinkof

How do glaciers erode?

As glaciers move over any earth surface, they carry rocks, stones and boulders with them. These are at the bottom of the glacier under very high pressures. As the glacier moves it is this carried material that grinds away at the mountain underneath. This is what causes the errosion.

How do glaciers cause deposition?

Glaciers cause deposition through the process of glacial erosion. As glaciers move, they pick up rocks, sediment, and other debris, which eventually get deposited when the glacier melts or retreats. This deposited material forms landforms like moraines, drumlins, and outwash plains.

Which continent doesn't have glaciers?

Every contanent has a Glacier. Many people refer to Australa being a contanent when really Australasia is the contanent. If you dont consider Australia to be the main Contanent of Australiasia then there are most defanetly glaciers, inNew Zeland there are several glaciers. If you consider Australia to be the main contanent of Australasia it doesent matter because there is acctually a glacier in Australia. The glacier is in the Kosciusko National Park and sits near a lake called the blue lake. The lake is formed from the melting water from the glacier.

Which of these could be formed by glaciers?

Two interesting land forms that were formed by glaciers are called kettles and moraines. The kettles are sometimes very large and form large lakes. The moraines are hills that are found surrounding the kettles. Most are made of sand, gravel and small rocks, although they can have some rather large boulders in them.

Are Icebergs the same as glaciers?

Glaciers are formed in cold mountain regions where the buildup of snow is heavy enough to turn the snow underneath to ice. This can happen over years, even centuries. Then the weight of the ice gradually pushes its way down the mountain, rather like a great frozen river.

Ice caps is the name given to all the frozen ice that covers a mountain range, or a place or even a country or continent. So we talk about the Juneau ice cap in Alaska, the Greenland ice cap, and the Antarctic ice cap. These may have started as glaciers but got big enough to become an ice cap. Most ice caps have glaciers moving out at the edges.

Why are mountain glaciers shrinking?

As the glaciers melt, additional water is added to the oceans. This new addition can alter the tempture and the currents of the oceans. At the same time, this additional water causes the global water levels to rise. The rising water is a threat to all coastal cities and threatens to change the shape of the current global landmass. It can also effect the life of many animals by adding fresh water to salt water and changing the concentrations so it is no longer life sustaining for its current occupants.

What are the top 5 largest glaciers?

Malaspina Glacier in Alaska is bigger than the state of Rhode Island.

Not exactly.

Ice caps and ice sheets are kinds of glacier, and the two existing ones are over 50,000 square km long. Which is equal to about 30000 square miles.

How do icebergs work?

Icebergs are large pieces of ice that break off from glaciers or ice sheets and float in the ocean. Most of an iceberg is underwater, with only about 10% visible above the surface. They can be dangerous to ships because of their size and the potential for hidden, submerged ice.

What did immigrants leave behind?

Immigrants often leave behind their homeland, family, friends, culture, and often familiar surroundings. They may also leave behind established careers, education, and social connections in search of better opportunities in a new country.

How large can glaciers be?

they were huge, deep and wide ranging, creating new landscape as far south as New York. When they receded they left the thousands of shallow lakes in northern US and Canada. They ground mountains into little pebbles and pushed rocks thousands of miles from their origins

hope this helps!

Define a glacier?

Glacier is commonly used in the noun form for all of its meanings. The most common definition is a huge mass of ice slowly flowing over a land mass, formed from compacted snow in an area where it accumulates. A simpler way of putting it is a floating chunk of accumulated ice and snow.

Can you name four NZ glaciers?

* Franz Josef Glacier * Fox Glacier * Tasman Glacier * Hukawai Glacier * Haast Glaciers