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3
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4
answers
3k
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How much does earth's core temperature affect earth's global surface temperature
Has anyone managed to read the (latest) full IPCC-report and do you know whether they have taken into account the Earth's core temperature in their models. … As I'm guessing, the core temperature of the earth is an very important variable that the climate-models need to have. …
2
votes
1
answer
378
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What is the earth's core temperature?
What is the earth's core temperature and is it really directly related to the earth's mantle? …
3
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1
answer
109
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Verification statistic for ice core temperature reconstructions
1 Do ice core temperature reconstruction studies have a calibration step, or is the relationship between Oxygen-18 and mean global temperature considered linear enough that this is not required? … 2 Irrespective of whether calibration is used or not, do ice core reconstruction studies supply a verification statistic (R-square) against the instrumental temperature record? …
10
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2
answers
829
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Does the long-term ice-core temperature record provide reasonable evidence that the current ...
When looking at the long term ice-core temperature record, it very clearly shows a ~100,000 year cyclical trend with warming spikes and gradual cooling. … This would indicate to me that the current upward temperature trend is not human-caused. What refutes that idea? …
14
votes
1
answer
4k
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Why is the temperature between the earth core and surface not distributed linearly?
So I read somewhere that the inner core temperature of Earth might be as high as 7000 °C. … Depending on the composition of the different layers towards the surface, the temperature should decline until the surface temperature of the air, at about average 14 °C, is reached. …
30
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4
answers
40k
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Why is Earth's outer-core liquid?
the Earth's core temperature. … Now as we move out from the solid inner core, temperature drops, and pressure also decreases. …
16
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6
answers
8k
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Is the Earth's hot inner core necessary for life?
The inner core of the Earth has an enormous temperature of around 4300 degrees Celsius. … of the core quite irrelevant to the temperature on the Earth's crust? …
7
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3
answers
349
views
Does the high pressure inside the Earth's core contribute to its high temperature?
The explanations for why the Earth's core is hot I found on the internet included:
leftover energy from the Earth's formation
radioactivity of the elements inside the core
friction between the core and … So does the large pressure inside the Earth's core contribute to its high temperature?
EDIT: If it doesn't, I'm interested in why. …
1
vote
0
answers
41
views
From ice core analysis to temperature curves
concentration of spurious gases
concentration of solids
delta signals
I am looking for sources where I can find - ideally at one place - the curves that give the values of these quantities versus ice core …
3
votes
0
answers
74
views
How would district heating affect the temperature of the earth's mantle/core?
If accomplished globally would there be a significant decrease in the temperature of the mantle?
Would areas of high use cool the mantle there, forcing a deeper crust at those locations? … /core?" …
36
votes
3
answers
51k
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Why is Earth's inner core solid?
I have never understood why earth's inner core is solid. … Considering that the inner core is made of an iron-nickel alloy (melting point around 1350 C to 1600 C) and the temperature of the inner core is approximately 5430 C (about the temperature of the surface …
5
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2
answers
2k
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As the earth's core cools, will the size be affected?
Objects can change in size when their temperature changes. I'm wondering whether the cooling of the earth's core will affect it's size? … Or will the change be insignificant due to the elements and states involved or the pressure acting on the core etc.? …
2
votes
1
answer
212
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With respect to latitude and time of year, what geopotential heights are associated with low...
passage:
At 1200 UTC 24 September 2001, at 500 hPa a deep (560 [gpdm]) cut-off extratropical low (midlatitude cyclone that is cut off from the jet stream) was located over Wisconsin with a central core … temperature of -20 C." (). …
1
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1
answer
113
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On the solidity of the Earth's core [duplicate]
From what I know from various textbooks, pop-science shows and my classes, the earth's core is solid. But how does the concept of solid and liquid make sense at these high temperatures. …
35
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4
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16k
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How can we determine the size and composition of Earth's inner core?
It is believed to consist primarily of an iron–nickel alloy and to be approximately the same temperature as the surface of the Sun: approximately 5700 K (5430 °C). … How do we know what the size of the inner core is?
Bonus Points:
How did we come up with iron-nickel as being the believed constituent for the core? …