Inspiration
I wrote about this thought experiment a long time ago. Now I have added a lot more. Since climate guys have no imagination, they can skip this. :)
So, we have a real earth, and since it is our earth, we have a number of dials we can twiddle. All of these dials have spun for real over geological time.
Carbon
Climate guys don't appreciate that most of our earth's carbon has been swallowed by plate tectonics. Every once in a while, it all comes back, at a million times stronger than anything we can do. It's fun spinning this dial.
Water
As well, a huge amount of water is down there with the carbon. It likes to come up with the carbon dioxide, but you can spin these things separately.
Continental Separation
The continents come together or fling apart at a spin this dial.
Solar Ouput
This doesn't do much except freeze us. There must be a limit to dialing it up, or we'd be dead a long time ago. I think it's cheating to spin this one. :)
That's all I can think of right now. Next will be the fun of turning those dials up and down.
Oh yeah, for Christmas I want to leave the thought experiment, and get real ones. :) Look out for high-speed continents!
Thursday, November 6, 2014
Wednesday, November 5, 2014
Plate Tectonics Revolution - Ocean plates are ropes
Reference
Now this evidence is somewhat dodgy, because those plates are under water, but this would be something in the staid plate tectonics world. After all, nothing has happened since '63 - oh what a night!
Seriously, it was quite a struggle for a while, whether we have subduction pull, or ridge push, and this might put the kabosh on the argument. But does it? Hot oceanic plates float, and cold ones sink. The hot plates could still slide off a high ridge like butter on a Teflon pan. Who knows if these floppy ropes can even hold a tension for a pull?
I think they just slide along, with no strength, compression or tension. When they get cold, they just sink back into the goop, taking a lot of water and sediments with them, which makes lots of frothy granite. What barfs up, goes down, and comes up again. :)
Now this evidence is somewhat dodgy, because those plates are under water, but this would be something in the staid plate tectonics world. After all, nothing has happened since '63 - oh what a night!
Seriously, it was quite a struggle for a while, whether we have subduction pull, or ridge push, and this might put the kabosh on the argument. But does it? Hot oceanic plates float, and cold ones sink. The hot plates could still slide off a high ridge like butter on a Teflon pan. Who knows if these floppy ropes can even hold a tension for a pull?
I think they just slide along, with no strength, compression or tension. When they get cold, they just sink back into the goop, taking a lot of water and sediments with them, which makes lots of frothy granite. What barfs up, goes down, and comes up again. :)
New Alaska Armpit Earthquake - M4.6
This is the site of my failed extrapolation. Like the climate guys, a two point projection only gets you so far. But this one was a bit weird.
A thrust aimed right towards Whitehorse. Bet they felt that!
Update from Whitehorse.
Whitehorse (Canada) (162 km N from epicenter)(no details): It sounded like a big jet flying over my house, that is what woke me up originally and then I felt my bed moving and the rumbling sensation I've felt before with other earthquakes and I realized what it was. (via EMSC)
Carcross (Canada) (108 km NE from epicenter)(no details): I didn't know if I imagined it or not.... (via EMSC)
Whitehorse, Yukon / MMI IV (Light shaking): Was in the office by myself. Noticed the computer monitor vibrating and checked my glass of water, it was moving. Just thought about leaving the building when it stopped. It didn't last long, maybe a 10 - 15 seconds
Whitehorse / MMI III (Weak shaking)
Juneau, AK 99801 / MMI IV (Light shaking): Sitting watching morning news husband and I felt like shaking--immediately knew it was an earthquake!
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