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5
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2answers
45 views

How would Earth map look like if all ice melts?

Is there somewhere a map which indicates which areas and cities become sea?
2
votes
0answers
38 views

Quantifying long term melt record on glacier surface

I intend to create a long term melt record on a glacier surface. What are parameters required to efficiently calculate the same using satellite, weather station observations & reanalysis datasets (...
7
votes
0answers
75 views

How to tell if fog is made out of water droplets or ice crystals?

I understand that clouds can be made out of water droplets and/or ice crystals. And that fog is nothing else than low-lying clouds. However, I've experienced fog in a wide ranges of temperatures. I ...
3
votes
1answer
83 views

Can anyone explain this frost phenomenon?

Look at this amazing frost I woke up to in Sooke, BC, Canada. This was so very cool to wake up to.
4
votes
1answer
39 views

What factors explain mountain glacier retreat variability?

It is well known that the majority of the world's mountain glaciers are retreating, but looking at a few LANDSAT images from the 1980s and today I am able to see glaciers that have retreated ...
11
votes
1answer
191 views

Why does glacier ice look blue?

The color of the ice observed in glaciers, icebergs and crevasses is often blue. However, ice cubes and industrial ice blocks are perfectly transparent or white if not. So. Why does glacier ice look ...
6
votes
3answers
821 views

If there's more water in the atmosphere due to global warming, how are there fewer mountain glaciers?

As I understand it, moisture condenses at mountain tops to form the mountain glaciers that provide water. The mountain topography doesn't change much in the span of a few decades, so if there's more ...
7
votes
3answers
147 views

Why is my pond / lake melting when the temperature is still far below freezing?

I recently moved into a new house with a 2 acre lake behind it. We’ve had 15 consecutive days below freezing, and the last 12 of those have been below 20 degrees (Fahrenheit)! Six days ago I shoveled ...
3
votes
2answers
94 views

A few questions about glass

A glass, as I understand it, is a material whose solid phase is amorphous and which undergoes a glass transition when heated. My train of thought - and therefore my questions - began with obsidian. ...
4
votes
1answer
48 views

Are there measurements or calculations that suggest atmospheric ice plates would be horizontal to within 0.1 degrees?

This question describes a recently released explanation for flashes of light seen at the sub-solar point above Earth from the DSCOVR satellite, which is located in a special orbit between the Earth ...
4
votes
1answer
192 views

During an average winter, what part (if any) of the Mississippi River becomes unnavigable?

What part of the Mississippi River becomes unnavigable (either freezes or accumulates too much ice to navigate) during an average winter? Perplexingly I could not find this through Google. I suppose ...
3
votes
0answers
32 views

Phase conversion of snow and ice due to irradiation versus melting

A few years ago another question touched on the relative rates of sublimation versus melting in terms of snow and snow pack disappearance. What was unusual about the answer is the huge range of ...
1
vote
1answer
78 views

Reults of the glacials and interglacials of the ice age on the soil

I have read that the Earth has undergone five ice ages, the latest one is the Quaternary glaciation. I know that in the ice age there are glacial periods and interglacial periods, and we are currently ...
18
votes
2answers
388 views

Is this 70km crack in an ice shelf of Antarctica remarkable, or a regular occurrence?

I've just seen the LiveScience article 70-Mile-Long Crack Opens Up in Anatarctica. I'm not sure if the title is a bit sensational or not, the crack is in an ice shelf, not the continent of Antarctica. ...
2
votes
1answer
69 views

Please could you help me finding global warming video with ice melting in glass time messurment scene?

Few months ago I watched a video posted on reddit about climate change and in it there was scene showing glass of water with ice cubes. They were measuring how long it takes for ice to melt and then ...
4
votes
1answer
115 views

Is glacier growing a hoax?

There is a wikipedia page on glacier growing, and also a Master thesis has apparently been written on the subject, investigating this practice in Northern Pakistan. On the one hand, I have read (I'm ...
4
votes
2answers
342 views

How much of the ice on earth is floating?

How much of the ice on Earth is floating (such as icebergs, or perhaps all the ice up at the North Pole)?
1
vote
2answers
95 views

Do ice crystals form in running super-cold water?

Crystals of sugar form in hot saturated sugar solution as it cools down, due to excess sugar molecules not fitting in the solution and precipitating as crystals. In a similar situation, if we have a ...
5
votes
0answers
229 views

How much of Earth's surface would be covered by water if all ice melted?

I'm trying to find how much water would be on the surface of Earth and how much surface would it cover (how much land will remain) if all the ice at the North and South Poles (and everywhere else) ...
39
votes
10answers
17k views

Why is the pond in my backyard not frozen when it is -15 °C (5 °F) outside?

I am in O'Fallon, Missouri and today it is -15 °C (5 °F) outside. I was taught water freezes at 0 °C (32 °F). I could understand if it was exactly 0 °C (32 °F) that the water might not be turning to ...
18
votes
2answers
429 views

Is this ice cover real - and what circumstances are required to make it?

The title says it all... I assume it requires very slow freezing sheltered from the wind. Undercooled water, maybe? A Reddit thread talks about Delaunay triangulation, but that does not explain how ...
12
votes
1answer
432 views

For what percentage of the earth's history has there been permanent ice?

Wikipedia comments here that "Permanent ice is actually a rare phenomenon in the history of the Earth, occurring only during the 20% of the time that the planet is under an icehouse effect." A "...
11
votes
2answers
406 views

How does the influence of clouds on climate vary with height?

It is generally assumed that clouds affect climate by reflecting sunlight back to space and therefore decreasing the total warming of the Earth. However, stratospheric ice clouds are said to have a ...
11
votes
2answers
166 views

What ice phenomenon are we seeing in this video?

I don't know what this YouTube video shows, but it appears to be half glacier and half "the blob." It almost appears to be "growing" although I assume it's being pushed somehow. Can someone tell me ...
6
votes
1answer
137 views

The Role of the Antarctic Circumpolar Vortex & Ocean Current in Keeping Antarctica Frozen

An offshoot from the question how does Antarctica stay frozen? Do the Anatarctic circumpolar vortex and circumpolar ocean current play a role in keeping Antarctica frozen?
9
votes
3answers
3k views

How does Antarctica stay frozen?

Antarctica receives heat from the Sun every day, so how does it stay frozen? I have some thoughts about the answer but I'm unsure of whether it is correct; I hope people here can clarify. My idea: ...
12
votes
1answer
775 views

Is there a name for this type of ice crystal?

Recently, I took the following picture: I have read about this phenomenon and I think it is caused by water vapour that is pressed out of the ground and then freezes due to low temperature. However, ...
13
votes
1answer
1k views

Converting glacier volume to mass: what ice density to use?

The density of ice is 0.9167 g/cm3 at 0 °C (under atmospheric pressure). I know of two factors that may influence this (are there more?) Pressure The glaciology faq (Common Questions and Myths ...
28
votes
3answers
4k views

How would an icicle “grow” upwards?

The other day a friend of my dad's showed him a picture of an icicle that appeared to be "growing" upwards out of a crack in a sidewalk. There were no roofs, overhangs or vehicles parked near by... It ...
11
votes
1answer
602 views

How deep is the permafrost in the Antarctic?

I tried in vain to find the answer to this question on the web, but all it would tell me was, "it is very deep", and "it is known as a thaw line rather than a frost line in the arctic and antarctic". ...