Questions tagged [glaciology]

The [glaciology] tag concerns all forms of snow and ice on Earth and in space. And the marks left by ancient glaciers.

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What does “glacier collapse” mean?

CNN's Mont Blanc glacier could collapse at any moment, Italy warns says: A staggering 250,000 cubic meters (8.8 million cubic feet) of ice could break away from the Planpincieux glacier on the ...
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What (if any) “in-situ instrumentation” is on the Brunt Ice Shelf that will detect its splitting and breaking away?

The BBC News article Antarctic: No role for climate in Halley iceberg splitting says: With no-one on the ice surface, notice of any breakaway will have to come from automated in-situ ...
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Quantifying long term melt record on glacier surface

I intend to create a long term melt record on a glacier surface. What are parameters required to efficiently calculate the same using satellite, weather station observations & reanalysis datasets (...
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Doesn't the sublimation rate on glaciers depend on the (specific) latent heat of sublimation of water ice?

On p. 6 of this article: Bliss, A.K., Cuffey, K.M., Kavanaugh, J.L., 2011. Sublimation and surface energy budget of Taylor Glacier, Antarctica. Journal of Glaciology 57, 684–696. There is an ...
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Should I perform EOF analysis on an unevenly-spaced time series?

I have a dataset of sample concentrations of several ions/elements (Ca 2+, SO4 2-, K +, S, Ca, V, etc.) from an ice core which I am using to detect volcanic eruptions. The raw version of the dataset ...
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How do you interpret Oxygen Isotope changes?

In a paper I am reading, the authors note "large (5-7%) negative shifts in the oxygen isotopic composition of geologic proxy materials" (Davis 2008, pg. 102) in several regional basins. This is then ...
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How do scientists measure paleoclimatologic variables from icecaps?

I guess the key is to know gases concentration, which should be done finally with a mass spectrometer if I am not wrong. But how does the complete process work, from drilling to the final ...
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Glen's power-law alternatives

For glacier models, there exist alternatives to the Glen's power-law? I searched on internet, but I have not found other alternatives.