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How cold is it 5000 feet below the sea?

 
Anonymous Coward
User ID: 823638
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05/23/2010 01:36 AM
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How cold is it 5000 feet below the sea?
After reading some threads for quite some time now about the BP blow out, I got to thinking about how cold the water is 5000 feet below the surface.

On land, the frost line can be a foot deep, then it's warmer - that's why your pipes don't freeze in the winter.

So is it the pressure that keeps the water from freezing?

Was the methane crystals a line of bull shit?
Anonymous Coward
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05/23/2010 01:39 AM
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Re: How cold is it 5000 feet below the sea?
below freezing.

the Gulf is generally warm down to 500 feet, than it starts to drop quite a bit.
Dr. House

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05/23/2010 01:39 AM
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Re: How cold is it 5000 feet below the sea?
Its near freezing, slightly above. However in places it does drop below freezing, yet water is unable to freeze due to the pressure and the salinity.

Ice needs room to expand, if you keep it from expanding it takes a lower temperature to cause it to freeze.
Sinkhole list:
Thread: Sinkholes Updated 28 Dec 2010
find a sinkhole, add it to this thread, please.

"Whoever hates his brother is a murderer, and you know that no murderer has eternal life abiding in him." (1 John 3:15, NKJV).
Anonymous Coward
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05/23/2010 01:42 AM
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Re: How cold is it 5000 feet below the sea?
damn cold!
Anonymous Coward (OP)
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05/23/2010 01:42 AM
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Re: How cold is it 5000 feet below the sea?
Its near freezing, slightly above. However in places it does drop below freezing, yet water is unable to freeze due to the pressure and the salinity.

Ice needs room to expand, if you keep it from expanding it takes a lower temperature to cause it to freeze.
 Quoting: Dr. House

So why would methane freeze
Methane freezes at -296.5 o F or 91 o K

crystals?

Maybe it was bull shit...
Anonymous Coward
User ID: 491785
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05/23/2010 01:49 AM
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Re: How cold is it 5000 feet below the sea?
Its near freezing, slightly above. However in places it does drop below freezing, yet water is unable to freeze due to the pressure and the salinity.

Ice needs room to expand, if you keep it from expanding it takes a lower temperature to cause it to freeze.

So why would methane freeze
Methane freezes at -296.5 o F or 91 o K

crystals?

Maybe it was bull shit...
 Quoting: Anonymous Coward 823638


the methane doesnt freeze. it is supercold and causes the water that comes in contact with it to freeze.
allenk

User ID: 949180
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05/23/2010 01:50 AM
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Re: How cold is it 5000 feet below the sea?
Its near freezing, slightly above. However in places it does drop below freezing, yet water is unable to freeze due to the pressure and the salinity.

Ice needs room to expand, if you keep it from expanding it takes a lower temperature to cause it to freeze.

So why would methane freeze
Methane freezes at -296.5 o F or 91 o K

crystals?

Maybe it was bull shit...


the methane doesnt freeze. it is supercold and causes the water that comes in contact with it to freeze.
 Quoting: Anonymous Coward 491785


So why doesn't my asshole turn rock hard when I rip a nice fart?
Anonymous Coward
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05/23/2010 01:53 AM
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Re: How cold is it 5000 feet below the sea?
Its near freezing, slightly above. However in places it does drop below freezing, yet water is unable to freeze due to the pressure and the salinity.

Ice needs room to expand, if you keep it from expanding it takes a lower temperature to cause it to freeze.

So why would methane freeze
Methane freezes at -296.5 o F or 91 o K

crystals?

Maybe it was bull shit...


the methane doesnt freeze. it is supercold and causes the water that comes in contact with it to freeze.


So why doesn't my asshole turn rock hard when I rip a nice fart?
 Quoting: allenk


the methane in your GI is not under pressure the way the methane coming out of the ground is. it is the reaction of the methane turning from liquid to gas as it depressurizes that causes the water to freeze.
Anonymous Coward (OP)
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05/23/2010 01:55 AM
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Re: How cold is it 5000 feet below the sea?
Its near freezing, slightly above. However in places it does drop below freezing, yet water is unable to freeze due to the pressure and the salinity.

Ice needs room to expand, if you keep it from expanding it takes a lower temperature to cause it to freeze.

So why would methane freeze
Methane freezes at -296.5 o F or 91 o K

crystals?

Maybe it was bull shit...


the methane doesnt freeze. it is supercold and causes the water that comes in contact with it to freeze.
 Quoting: Anonymous Coward 491785


I guess the methane is colder than 32 f........

Well, how cold is the oil?

It's quite interesting, since Lava is very hot! Not saying there's any lava around, but I though the deeper you go, the hotter the earth gets. Maybe it only applies to if your on land.......

Just a thought/
Anonymous Coward
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05/23/2010 01:57 AM
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Re: How cold is it 5000 feet below the sea?
-10,000,000,000,000,000,000 C
Anonymous Coward (OP)
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05/23/2010 02:00 AM
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Re: How cold is it 5000 feet below the sea?
-10,000,000,000,000,000,000 C
 Quoting: Anonymous Coward 959446

Pretty fu*kn cold!
Anonymous Coward
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05/23/2010 02:09 AM
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Re: How cold is it 5000 feet below the sea?
Its near freezing, slightly above. However in places it does drop below freezing, yet water is unable to freeze due to the pressure and the salinity.

Ice needs room to expand, if you keep it from expanding it takes a lower temperature to cause it to freeze.

So why would methane freeze
Methane freezes at -296.5 o F or 91 o K

crystals?

Maybe it was bull shit...


the methane doesnt freeze. it is supercold and causes the water that comes in contact with it to freeze.


I guess the methane is colder than 32 f........

Well, how cold is the oil?

It's quite interesting, since Lava is very hot! Not saying there's any lava around, but I though the deeper you go, the hotter the earth gets. Maybe it only applies to if your on land.......

Just a thought/


 Quoting: Anonymous Coward 823638


it probably is very hot down were the oil and LNG originate. but thats 30,000 feet below where it is spewing out of the ground- over 5 MILES! it cools on its way out, then hits the super cold, pressure- resistant seawater, which i would imagine cools it down very quickly.
dave@mesarubber.com
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06/14/2010 11:14 PM
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Re: How cold is it 5000 feet below the sea?
I guess no one can actually answer the question
Anonymous Coward
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Canada
06/15/2010 12:43 AM
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Re: How cold is it 5000 feet below the sea?
The difference in temperature between the photic, or sunlit, zones nearer to the surface and the deep sea are dramatic. Temperatures vary more in the waters above the benthic zone where thermoclines, or the separation of water layers of differing temperatures, are more common. In most parts of the deep sea, the water temperature is more uniform and constant. With the exception of hydrothermal vent communities where hot water is emitted into the cold waters, the deep sea temperature remains between 2-4°C.