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Questions tagged [poles]

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9
votes
1answer
249 views

Unstable North Polar Vortex?

What would cause a polar vortex to become unstable a split into 3 smaller ones? How rare is this and what long term effects could this cause if the vortex stays unstable? http://www.severe-weather.eu/...
1
vote
1answer
75 views

Southern Hemisphere: What is the most Northern latitude where the sun can be seen for more than 24 hours?

Is there a location, in the southern hemisphere, where I could pitch a tent that I would be able to see the sun at any time of day for, say, more than a week? How far north could I go and still be ...
3
votes
1answer
86 views

Is it possible to create ice in poles? [closed]

Is it possible that human can built under the poles a controlled system to create again artificial icebergs? In order keep tight the melting ice and reduce the sea level? Can this system impact the ...
8
votes
2answers
104 views

Why is McMurdo Station in Antartica more hostile than Longyearbyen (Norway), while Longyearbyen is closer to the pole?

McMurdo Station in Antartica (operated by the USA) is 77.85 degrees south (and 166.69 east), Longyearbyen (Norway) is the northernmost settlement with scheduled flights all year at 78.24 degrees north ...
2
votes
2answers
205 views

The axis of rotation of the earth passes through the geographical poles or is there a true axis?

The general idea that has been taught to people is that there is an imaginary axis that crosses the earth from the north pole to the south pole (or vice versa).And that is the axis of rotation. But I ...
13
votes
2answers
2k views

How long does a magnetic pole reversal take to complete?

Geomagnetic pole reversal is a "regular" phenomenon on Earth. Although the interval pattern has been irregular at times (sometimes with millions of years of difference between change intervals), Earth ...
2
votes
0answers
294 views

Why do the magnetic poles move? [closed]

Does the Earth position in the galaxy or solar system affect the orientation of the magnetic axis?
9
votes
2answers
2k views

Does the geographic North Pole move?

The magnetic North (or South) Pole moves due to activities in the inner of Earth. And earthquakes can tilt the Earth's orientation a tiny bit. But can and does the axis' orientation relative to the ...
5
votes
1answer
160 views

At what rate are the polar ice caps shrinking?

At what rate is loss of polar ice caps occurring? Do we have enough data to distinguish a meaningful trend? If we look at the trend since we have satellite measurements (40 years or so), is that ...
10
votes
1answer
1k views

Why are there no CO2 snowfalls on Earth?

The CO2 phase diagram shows that at atmospheric pressure and about -78 °C temperature CO2 becomes solid: Wikipedia confirms this: At 1 atmosphere (near mean sea level pressure), the gas deposits ...
7
votes
1answer
245 views

What would the equilibrium temperature be at the poles in a world without seasonality?

Inspired by: How does Antarctica stay frozen? If the Earth was in a fixed solstice state - northern winter and southern summer (e.g. the axis obliquity rotated with the Earth's orbit), what would ...
9
votes
1answer
456 views

Does earth's size affect the temperature of the poles?

What effect does Earth's size have on the temperature of the north and south poles? If the Earth were larger, or smaller, would this affect those temperatures?
5
votes
2answers
155 views

What would the geology and climate of a supposed landmass near the pole be like, assuming a thoroughly warmer planet? [closed]

I am designing a fantasy setting for pen-and-paper role-playing (and potential novel) purposes. I have decided that a continent be situated right on a Pole of some imaginary planet with axial tilt ...
1
vote
1answer
82 views

Circum polar regions in Interglacial periods

Is it true, that circumpolar regions around North pole, were not submerged in water and had a habitable genial climate, until the last Iceage, or glacial period?
15
votes
2answers
9k views

Why is the troposphere 8km higher at the equator than the poles?

Fundamentals of atmospheric modeling show that the height of the tropopause depends on the location, notably the latitude, and that the troposphere is roughly 8km higher at the equator than the poles ...