Dynamic Planet B/C Question Marathon
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Re: Dynamic Planet B/C Question Marathon
A tarn is a type of lake formed when in a cirque basin carved out by a glacier.
What is the minimum thickness for ice to flow?
What is the minimum thickness for ice to flow?
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Re: Dynamic Planet B/C Question Marathon
I think the answer to this question at Palatine was 30 m, yes? That one was weird - you got 2 pts if you chose 30 m, 1 pt if you chose 50. The more common answer I've seen is 40 or 50 mnomynameisnotkevin wrote:A tarn is a type of lake formed when in a cirque basin carved out by a glacier.
What is the minimum thickness for ice to flow?
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Re: Dynamic Planet B/C Question Marathon
In the few textbook chapters on glaciers I've read, I've consistently seen 50m.
I also have a question if anybody can help me out; I'm looking for practice problems on glacial mass balance and chart interpretation-- never figured out how to do that last year but now I need to learn, it's killing my scores. For example, if given a table of data titled simply "Glacial Mass Balance, years, glaciers, no units, and a list of positive and negative numbers.... Blah. Are the numbers +/- from each previous year?? As in, if 1995 is -0.07 and 1996 is -0.01, is the total cummulative loss in mass balance -0.08, or -0.01 from the total throughout that year? (if that makes sense...)I'm assuming here that (-) refers to a loss in glacial mass balance (so ablation>accumulation) but I also want to be sure about that.
If anybody could help me out in this department, I'd appreciate it, thanks.
I also have a question if anybody can help me out; I'm looking for practice problems on glacial mass balance and chart interpretation-- never figured out how to do that last year but now I need to learn, it's killing my scores. For example, if given a table of data titled simply "Glacial Mass Balance, years, glaciers, no units, and a list of positive and negative numbers.... Blah. Are the numbers +/- from each previous year?? As in, if 1995 is -0.07 and 1996 is -0.01, is the total cummulative loss in mass balance -0.08, or -0.01 from the total throughout that year? (if that makes sense...)I'm assuming here that (-) refers to a loss in glacial mass balance (so ablation>accumulation) but I also want to be sure about that.
If anybody could help me out in this department, I'd appreciate it, thanks.
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Re: Dynamic Planet B/C Question Marathon
I believe what you're talking about is the ablation/accumulation of glaciers. If they have various #'s, and if they give them as positive or negative, then that means that you're either gaining mass or losing it by various means, such as wind scour, etc.4n6-Chick-1995 wrote:In the few textbook chapters on glaciers I've read, I've consistently seen 50m.
I also have a question if anybody can help me out; I'm looking for practice problems on glacial mass balance and chart interpretation-- never figured out how to do that last year but now I need to learn, it's killing my scores. For example, if given a table of data titled simply "Glacial Mass Balance, years, glaciers, no units, and a list of positive and negative numbers.... Blah. Are the numbers +/- from each previous year?? As in, if 1995 is -0.07 and 1996 is -0.01, is the total cummulative loss in mass balance -0.08, or -0.01 from the total throughout that year? (if that makes sense...)I'm assuming here that (-) refers to a loss in glacial mass balance (so ablation>accumulation) but I also want to be sure about that.
If anybody could help me out in this department, I'd appreciate it, thanks.
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Re: Dynamic Planet B/C Question Marathon
Bingo. I was just wondering if 50 or 30 was more common.Crazy Puny Man wrote:I think the answer to this question at Palatine was 30 m, yes? That one was weird - you got 2 pts if you chose 30 m, 1 pt if you chose 50. The more common answer I've seen is 40 or 50 mnomynameisnotkevin wrote:A tarn is a type of lake formed when in a cirque basin carved out by a glacier.
What is the minimum thickness for ice to flow?
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Re: Dynamic Planet B/C Question Marathon
Well, considering the zone of plastic flow begins at about 50 m, that would have been my guess.
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Re: Dynamic Planet B/C Question Marathon
Oops, my turn isn't it?
What is the difference between a randkluft and a bergschrund?
What is the difference between a randkluft and a bergschrund?
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Re: Dynamic Planet B/C Question Marathon
I think scienceandsmiles was supposed to ask the next question?
Anyhoo I have one that my partner and I encountered on a practice test: What is basal sliding? When does it occur?
Anyhoo I have one that my partner and I encountered on a practice test: What is basal sliding? When does it occur?
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