All Questions
Tagged with glaciology ice-age
13 questions
4
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0
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51
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How saline were the earth's oceans during the Last Glacial Maximum?
According to Wikipedia sea water is 34.7 parts per thousand salt.
Between evaporation and precipitation it seems like this amount is kept largely in equilibrium but, during the last glacial maximum, a ...
- 577
7
votes
1
answer
336
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How old are Chile's fjords?
Do we have any knowledge about the age of Chile's fjords, more specifically, those found near the Northern Patagonian Ice Field?
Is it reasonable to conclude that they were formed in Quaternary given ...
- 193
8
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1
answer
4k
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What would it be like to live in an ice age?
If you were born in the most recent ice age, how different would your life be compared to how you live it today? Furthermore, if humans currently lived in an ice age, how would it affect life today?
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3
votes
2
answers
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Current temperature increase VS decrease during the little ice age
Looking at the following temperature reconstructions i have two questions (source: wikipedia):
Why is the y-axis centered around -0.2 °C?
Why are the consequences of the current temperature ...
- 133
1
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1
answer
392
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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 ...
- 585
1
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1
answer
184
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Ice Age/Interglacial Period Cycle
What happens if an Ice Age or Interglacial Period Cycle starts? I don't know what exactly what happened then.
- 73
13
votes
2
answers
2k
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When will glaciation resume? Has global warming delayed return to global cooling?
As far as I understand, we are currently living in the Holocene, an interglacial period of the Quaternary glaciation, i.e. the current ice age that has so far lasted 2.6 million years. The Holocene ...
- 230
12
votes
1
answer
2k
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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 "...
10
votes
1
answer
2k
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Siberia (Beringia) during last glacier period
Today, Northern Russia is considered quite cold. It is not populated because it has low biological productivity: low light and cold. It can be below -50 at winter and 10 C at summer peak. It is low ...
7
votes
0
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73
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How much does ocean cover percentage change between glacial periods? [duplicate]
Currently, oceans cover about 71% of the total area of Earth. Ice ages can cause this figure to fluctuate, by lowering the sea level and creating land bridges and other features.
How much can this ...
- 1,833
25
votes
5
answers
5k
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During the "Ice Ages" or "Snowball Earth" times, where was all the energy?
We often seem to accept the idea that there were periods of time in which the entire surface of Earth was frozen, for the most part. This implies that there were periods of time in which the entire ...
- 397
9
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1
answer
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Why are some theories as to the cause of glacation less popular among the scientific community?
There are a few theories as to the causes of glaciation.
There's the Milankovitch Theory, which says that there are cyclical changes in Earth's orbit and in the tilt of Earth's axis that occur over ...
user464
19
votes
3
answers
1k
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How do we know that we are NOT in an "Ice Age?"
Historically, the earth has had five "Ice Ages" Each of them lasted millions, tens of millions, or hundreds of millions of years.
The last ice age reportedly ended perhaps 10,000 years ago. That ...
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