HPCCprojects:Interannual variability and glacier length: Difference between revisions
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==Funding== | ==Funding== | ||
<span class="remove_this_tag"> | <span class="remove_this_tag">National Science Foundation (NSF) grant DGE- 1144083 (GRFP)</span> | ||
==Publications and presentations== | ==Publications and presentations== |
Revision as of 10:55, 3 October 2014
Interannual variability and glacier length
Project description
Valley glacier moraines are commonly used to infer past mean annual precipitation and mean melt-season temperature. However, recent research has demonstrated that, even in steady climates, multi-decadal, kilometer-scale fluctuations in glacier length occur in response to stochastic, year-to-year variability in mass balance. When interpreting moraine sequences it is important to include the effect of interannual weather variability on glacier length; moraines record advances that are forced either by interannual variability or by a combination of climate change and interannual variability. Our hope is to help establish the metrics needed to determine if a past glacier advance was caused by interannual variability or a climate change.
Objectives
1) Assess the importance of year-to-year climate variability (weather) on glacier length in a variety of climate settings 2) Create quantitative metrics to test if a glacier length change could be caused by weather variability.
Time-line
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Models in use
We are using 1 and 2D Matlab-based numerical glacier models. The models are used in both idealized and geographical settings with a variety of parameterizations for glacier mass balance.
Results
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Users
List the CSDMS HPCC users of your project: leifstefanthor
- <leifstefanthor>
Funding
National Science Foundation (NSF) grant DGE- 1144083 (GRFP)
Publications and presentations
Anderson, Leif S., Gerard H. Roe, and Robert S. Anderson. "The effects of interannual climate variability on the moraine record." Geology 42.1 (2014): 55-58.
Links
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