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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

Are glaciers dissapearing?

No, there are still glaciers in California, Washington, Montana, Colorado...pretty much everywhere they have been, just a bit smaller. A disproportionate amount of sea level rise in recent decades has been due to the melt of such glaciers (i.e. midlatitude alpine glaciers) rather than the more media-friendly polar ice sheets.

What is antarctica's air pressure?

It's really not that different from the rest of the world, since it still has an entire atmosphere of air weighing down on it which is what air pressure is. If Antarctica were at sea level it would tend to be slightly higher due to high pressure prevailing (climatologically at the poles). But since much of Antarctica is up pretty high in elevation (several thousand meters) just due to there being so much ice on top of the land, the actual air pressure is pretty low - on par with that of a location in the mountains.

What feature is not formed by glaciers?

Desert landscapes are not typically formed by glaciers. Deserts are characterized by arid conditions with little to no precipitation, while glaciers are massive bodies of ice that reshape landscapes through erosional processes like scouring and deposition.

Do you believe that every person must leave his or her innoncence behind in order to mature?

Maturity often involves gaining new perspectives and understanding complexities of life, which may require letting go of certain aspects of innocence. However, maintaining a sense of wonder, empathy, and curiosity can still coexist with maturity, contributing to a well-rounded individual. It's more about evolving one's understanding rather than abandoning innocence entirely.

How many new icebergs form each year?

It is difficult to determine an exact number of new icebergs that form each year because iceberg formation is a natural process that can vary greatly depending on factors such as climate conditions and iceberg calving events. However, it is estimated that tens of thousands of new icebergs are created annually around the world.

Describe the process by which glaciers form?

A glacier forms in a place where snow builds up year after year for a long time. The key thing is that the snow does not melt away in the summer. As the snow builds up over time, its own weight causes it to compress into ice. When the ice gets thick enough, it begins to flow under the influence of gravity. Glaciers can form only on relatively flat areas, or on slopes with less than 30 degrees of pitch in the mountains; too much steeper and the snow will avalanche instead of building up to a thickness that would form into ice.
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What caused scratches in rocks?

Scratches in rocks are typically caused by abrasion, which occurs when rocks are rubbed or scraped against each other by natural forces like glaciers, rivers, or wind-blown sediment. The abrasive particles in these materials can scratch or wear down the surface of the rocks over time.

Were lakes created when glaciers retreated?

Yes, lakes were often formed as glaciers retreated due to the depressions or basins left behind by the moving ice. These basins could fill with water from melted glacier ice, rain, or rivers, creating new bodies of water.

Why do spittle bugs leave spit behind?

Spittle bugs leave behind a frothy mass of spittle to protect themselves and regulate their body temperature. The spittle also helps the bugs hide from predators and provides a moist environment for them to live and feed in.

What is a fast moving glacier that can move up to 6 kilometers per year?

An example of a fast-moving glacier that can move up to 6 kilometers per year is the Jakobshavn Glacier in Greenland. It is known for its rapid movement and has been experiencing accelerated ice loss due to climate change.

What did the National Youth Administration leave behind?

The National Youth Administration left behind a legacy of providing work and education opportunities for young people during the Great Depression. Its programs helped thousands of youth gain skills and experience that benefited them throughout their lives.

When and how do glaciers advance?

Glaciers advance when snow accumulation exceeds melting and sublimation. This typically happens during periods of increased snowfall or decreased temperatures. As more snow accumulates, it compresses into ice and causes the glacier to move forward.

What is the name of 2 glaciers of glacier national park?

Here is a list of the glaciers that appear on the general park map, plus a few that are not labeled on the map.

Kintla

Agassiz

Rainbow

Weasel Collar

Miche Wabun

Whitecrow

Swiftcurrent

Old Sun

Ahern

Grinnell

Salamander

Gem

Siyeh

Sexton

Sperry

Jackson

Blackfoot

Pumpelly

Harrison

Lupfer

How does ice erosion effect glaciers?

Glaciers consist of ice made of snow turned to ice. The ice in them erodes. The sun melts the layer on top. It erodes away. The weight of the ice makes the lower part melt. That slowly eats away at the glacier.

What is a glaciers that floats away in the ocean?

An iceberg is a glacier that breaks off from a glacier or ice shelf and floats away in the ocean. These large chunks of ice can be found in polar regions and are a common sight in Arctic and Antarctic waters.

What will happen if the glaciers continue to melt?

If all the Glaciers melted, the sea would rise and the coast of every country would change. The Earth would look a very different place, this why there is concern over Global Warming.

The related link will give you a small idea as to how the world might look if it happens, the Pale Blue is the area reclaimed by the sea

What is the world's fastest moving glaciers?

The world's fastest moving glaciers are found in Greenland and Antarctica. The Jakobshavn Glacier in Greenland is one of the fastest moving glaciers, reaching speeds of up to 150 feet per day. In Antarctica, glaciers like the Lambert Glacier have been recorded to move at speeds exceeding 16 feet per day.

What facts should you put in a Factfile about the Aletsch glacier?

  1. The Aletsch Glacier is the largest glacier in the Alps, stretching for about 23 kilometers.
  2. It is located in Switzerland, part of the Jungfrau-Aletsch Protected Area, a UNESCO World Heritage Site.
  3. The glacier has been receding due to climate change, losing about 50 meters in length each year.

How do glaciers not melt?

At this point the easiest and cheapest thing to do would be to reduce your carbon emission. You can do this be driving less, changing light bulbs to LED or CFL bulbs, and turning off the lights when you leave the room. Other things you can do are air dry cloths, recycle more (it takes less energy to recycle then make new things), and keep your AC at 72 degrees or higher.

This will save the glaciers because to make the power that operates everything electric, you tend to have to burn coal or gas. This creates CO2 that traps heat in the atmosphere, which melts glaciers. So the less power you use, the less CO2 made and eventually less glacial melting.

What did the Chavin leave behind?

The Chavín civilization, which thrived in Peru from around 900 to 200 BCE, left behind impressive architectural and artistic remnants. Some of these include the ancient temple complex of Chavín de Huántar, stone carvings, ceramics, and religious artifacts that provide insight into their complex belief system and cultural practices.

Is Antarctica covered with continental glaciers?

Arctica was an ancient continent which formed approximately 2.5 billion years ago in the Neoarchean era. It consisted of the Canadian and Siberian shields, and is now roughly situated in the Arctic around the current North Pole. Arctica joined with the continents Atlantica and Nena about one billion years ago to form the supercontinent, Rodinia.

http://en.wikipedia.org/wiki/Arctica

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How do glaciers create electricity?

Glaciers do not create electricity themselves. However, glaciers can indirectly support hydropower generation when they feed rivers and reservoirs with meltwater. This water can then be used to turn turbines in hydropower plants, generating electricity.

Story behind softly as you leave?

"Softly As I Leave" is a piece from J.S. Bach's "St. John Passion" composed in the 18th century. The aria is sung by a character reflecting on their own sorrow and repentance as they depart from a loved one or from life itself. Its poignant melody and contemplative lyrics evoke feelings of melancholy and resignation, making it a powerful and emotional piece in the overall context of the Passion.

Are the glaciers melting in antarctica?

Antarctica is a continent and continents do not melt.

The ice sheet that covers 98% of the continent thaws and freezes annually. Extraordinary thawing is currently taking place under the ice shelves -- primarily in the Weddell Sea -- based on warming ocean waters which cause the ice shelf to decay.