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|a A Complex Relationship Between Calving Glaciers and Climate |h [electronic resource] |y English. |
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|a [S.l.] : |b American Geophysical Union, |c 2011-09-13. |
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|a Eos |b Transactions Volume 92, Number 37 |y English. |
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|a Please contact the owning institution for licensing and permissions. It is the user's responsibility to ensure use does not violate any third party rights. |
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|a Many terrestrial glaciers are sensitive indicators
of past and present climate change as
atmospheric temperature and snowfall modulate
glacier volume. However, climate interpretations
based on glacier behavior require
careful selection of representative glaciers,
as was recently pointed out for surging and
debris-covered
glaciers, whose behavior
often defies regional glacier response to climate
[Yde and Paasche, 2010].
Tidewater calving glaciers (TWGs)—
mountain glaciers whose termini reach the
sea and are generally grounded on the seafloor—
also fall into the category of non-representative
glaciers because the regional-scale
asynchronous behavior of these glaciers
clouds their complex relationship with
climate. TWGs span the globe; they can be
found both fringing ice sheets and in high-latitude
regions of each hemisphere. TWGs
are known to exhibit cyclic behavior, characterized
by slow advance and rapid, unstable
retreat, largely independent of short-term
climate forcing. This so-called
TWG cycle,
first described by Post [1975], provides a
solid foundation upon which modern investigations
of TWG stability are built. Scientific
understanding has developed rapidly
as a result of the initial recognition of their
asynchronous cyclicity, rendering greater
insight into the hierarchy of processes controlling
regional behavior. This has improved
the descriptions of the strong dynamic feedbacks
present during retreat, the role of the
ocean in TWG dynamics, and the similarities
and differences between TWG and ice sheet
outlet glaciers that can often support floating
tongues. |
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|a Electronic reproduction. |c Florida International University, |d 2015. |f (dpSobek) |n Mode of access: World Wide Web. |n System requirements: Internet connectivity; Web browser software. |
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|a Atmospheric temperature. |
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|a dpSobek |c Sea Level Rise |
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|u http://dpanther.fiu.edu/dpService/dpPurlService/purl/FI15050362/00001 |y Click here for full text |
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|a http://dpanther.fiu.edu/sobek/content/FI/15/05/03/62/00001/FI15050362_thm.jpg |
