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Old 02-23-2019, 11:21 PM   #1
xoxoxoBruce
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Feb 24, 2019: Baikal Dzen

We’ve looked at Lake Baikal in Siberia before, the oldest, and deepest lake in the world.
It holds the cleanest fresh water, something like 20% of the world’s unfrozen fresh water.
Area = 12.248 sq mi
Volume = 5,666 cubic miles
Max. depth = 1,642 m (5,387 ft)
The surface gets up to about 45 F(7 C) in the summer but freezes over with pretty thick ice.
Anyway, I found these pictures supposedly from Baikal.



Quote:
Rocks on the lake Baikal get heated from the sunlight every now and then and melt the ice beneath. After the sun is gone, the ice turns solid again thus creating a small stand for the rock above. It is called the Baikal Dzen.
Apparently I don’t understand what he’s saying, because it doesn’t make sense to me..
The sun heats the rock which in turn melts the ice under it. OK, so why is the rock so high?
He says that melted ice refreezes and pushes the rock up. Nope, no way, not going to happen.
I know ice is strong like Babushka, splits rocks, and will lift tall buildings with a single uumph.
But I also know ice, like me and Mother nature, takes the path of least resistance... always.
Therefore no reason to push the rock up when the ice can spread out.



In your freezer ice and frost migrate to a colder surface if there’s moving air, that’s how the self defrost works.
So maybe as the sun shines on the ice the wind wears it away and the rock is actually shade protecting that pillar.
But that rock disrupts the wind causing it to swirl, cutting that hollow.
But I’m guessing.



Canada says, ho hum, not impressed, have an egg.
I'll be at Tim Hortons if you find something worth showing me.

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Old 02-24-2019, 08:46 AM   #2
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"Вот такие камни можно встретить на льду Байкала в районе Сарминского ущелья. Днем они нагреваются от солнца, растапливают лед под собой, ветреность этого места помогает создать тонкую ножку под камнем."
You can find stones like this on the ice of Baikal in the Sarmin Ravine. By day they are heated by the sun and begin to heat up the ice beneath them, and the strong winds of this place help to make little pedestals under the stone.
(from here)
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Old 02-24-2019, 09:03 AM   #3
xoxoxoBruce
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Ah, thank you. So I was half right with my guess, not shade but heat like the quote said. I was right about the wind carving out the hollow under it, but still doesn't explain why the rock is perched so far above the apparently flat ice all around the rock. I still can't buy the ice pillar pushing the rock up.

In Soviet Siberia, Mother Nature obey Putin laws.
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Old 02-24-2019, 11:03 AM   #4
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Well, when ice freezes, it expands. If the outside ring on ice were to freeze first, then when the inner core froze, I could see it being forced to push up instead of out.

I'm guessing those are pretty light rocks, though. If they were heavy at all, the expansion would fracture the outside ring, and no lift would happen at all.
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Old 02-24-2019, 11:56 AM   #5
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Quote:
Originally Posted by xoxoxoBruce View Post
Area = 12.248 sq mi
Period/decimal should be a comma.

12,248 sq miles, twelve thousand, two hundred forty-eight square miles.

Just saying, man, put that hatchet down...
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Old 02-24-2019, 12:02 PM   #6
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Quote:
Originally Posted by Degrees View Post
Well, when ice freezes, it expands. If the outside ring on ice were to freeze first, then when the inner core froze, I could see it being forced to push up instead of out.

I'm guessing those are pretty light rocks, though. If they were heavy at all, the expansion would fracture the outside ring, and no lift would happen at all.
This sounds reasonable to me.

I have seen ice cubes in the ice tray in the freezer with little spikes in the center of the the cube sticking up like the tops of Hershey kisses.

No rocks though.

Not just me, apparently.
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Old 02-24-2019, 12:10 PM   #7
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I'm having a little trouble buying that any water anywhere in Russia is considered even close to clean.

I did find this at wiki's Lake Baikal page:

Quote:
It is considered among the world's clearest lakes...
Under Environmental Concerns, though, the phrase "...the lake's ultra-pure water..." is used.

So, there is the possibility, however slight, that I may not know wtf I'm talking about.
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Old 02-24-2019, 12:12 PM   #8
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Quote:
Originally Posted by BigV View Post
I have seen ice cubes in the ice tray in the freezer with little spikes in the center of the the cube sticking up like the tops of Hershey kisses.
I know that thing exact. Even documented it, somewhere here on Teh Cellar.

Usually with hot water in the cube makers.
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Old 02-24-2019, 12:23 PM   #9
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Yes, I've seen that in ice cube trays and other containers, but it's always constricted.
Sorry, about the comma/period mix up. It's funny, when I wrote that I thought to myself, I thought it was bigger than that.
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Old 02-24-2019, 01:18 PM   #10
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Quote:
Originally Posted by xoxoxoBruce View Post
...I thought to myself, I thought it was bigger than that.
Me, too. I had to go see.
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Old 02-24-2019, 02:52 PM   #11
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I should have but I've learned in the past it's dangerous to wander off in the middle of a post.
Now why in hell did I come into this room???
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Old 02-24-2019, 04:27 PM   #12
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Quote:
Originally Posted by xoxoxoBruce View Post
Yes, I've seen that in ice cube trays and other containers, but it's always constricted.

Sorry, about the comma/period mix up. It's funny, when I wrote that I thought to myself, I thought it was bigger than that.


And the little warmed spot of water in Baikal is constricted by the surrounding ice. No?


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Old 02-24-2019, 08:47 PM   #13
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No, you can see the is flat ice or a groove depression around the rock. as the melted water freezes there's nothing to constrict it. the rock is considerably higher.
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Old 03-06-2019, 07:58 AM   #14
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Awhile back I posted somewhere in the Cellar an illustration that was a cross section of the Great Lakes. Now somebody has taken that illustration and
added Lake Baikal. The height to width ratio in the illustration is way off, but what we're interested in, the elevation of the surface and depth from there
to the bottom, are cool.
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Old 03-06-2019, 11:52 AM   #15
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Urrbody settle the fuck down.

I found Lake Michigan.
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