Questions tagged [geothermal-heat]

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17
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0answers
214 views

How much heat is transported from the interior to the surface in the form of hydration enthalpy?

Heat is transferred from the interior to the surface through several methods. One is simply the conduction of sensible heat through the crust - I would guess this accounts for most of it. But some is ...
8
votes
0answers
256 views

How much heat flow is needed to maintain plate tectonics?

The Earth is emitting about 47 terawatts of heat energy, producing a heat flow of 0.0921 W/m$^2$ due to radiogenic and primordial heat energy. The heat flow drives mantle convection which in turn ...
6
votes
1answer
105 views

Are hot springs in non-volcanic areas radioactive?

Hot springs in non-volcanic areas are attributed to the interaction of water with hot rocks deep in the earth's crust: In non-volcanic areas, the temperature of rocks within the Earth also ...
3
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0answers
74 views

Wasn't Earth a magma ocean before the Iron Catastrophe?

I've always thought that the process of planetary accretion was energetic enought to keep the proto-Earth entirely molten, and that the subsequent evolution of the planet (the formation of the crust, ...
2
votes
0answers
36 views

How would district heating affect the temperature of the earth's mantle/core?

I recently came across this article outlining the use of our advancements in oil and gas drilling to implement "district heating" (or geothermal heating for our buildings/cities as a whole) ...
2
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0answers
48 views

Thermal spring. Gas and water characterization

I am interested in assessing a thermal spring in the Ecuadorian Andes. However I have no experience in these type of geological features and I am not sure how to proceed. The spring is located over ...
1
vote
0answers
26 views

What is the most current thinking on the amount of heat transferred into the oceans from underwater thermal vents and volcanoes?

My understanding is that with the relatively recent discovery of many more volcanoes on the Mid-Atlantic Ocean Ridge (and perhaps other ocean ridges) and more deep trenches with thermal vents, that ...
1
vote
0answers
251 views

What's that geothermal smell?

Visit any geothermal area like Iceland, Yellowstone or Rotorua, and you notice a disgusting smell. The web-pages all discuss hydrogen sulphide, but there is something else, like burned bacon. I'm ...
0
votes
0answers
41 views

Ranking volcanic rocks influence to geothermal suitability?

I am not a geologist/geology student but I want to quickly know the influence of volcanic rock type to geothermal suitability. I have read read some journals and online articles but it seems there are ...
-1
votes
2answers
950 views

Why it feels hotter at Night?

Why does the same temperature feel hotter at night? For example, 70 degrees literally feels hot at night when outside but during the day 70 degrees feels just mild when outside. Why is that? And ...