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Efficient Flowline Simulations of Ice Shelf–Ocean Interactions: Sensitivity Studies with a Fully Coupled Model
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| Zeitschriftentitel: | Journal of Physical Oceanography |
|---|---|
| Personen und Körperschaften: | , , , , , |
| In: | Journal of Physical Oceanography, 43, 2013, 10, S. 2200-2210 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
American Meteorological Society
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| Schlagwörter: |
| author_facet |
Walker, Ryan T. Holland, David M. Parizek, Byron R. Alley, Richard B. Nowicki, Sophie M. J. Jenkins, Adrian Walker, Ryan T. Holland, David M. Parizek, Byron R. Alley, Richard B. Nowicki, Sophie M. J. Jenkins, Adrian |
|---|---|
| author |
Walker, Ryan T. Holland, David M. Parizek, Byron R. Alley, Richard B. Nowicki, Sophie M. J. Jenkins, Adrian |
| spellingShingle |
Walker, Ryan T. Holland, David M. Parizek, Byron R. Alley, Richard B. Nowicki, Sophie M. J. Jenkins, Adrian Journal of Physical Oceanography Efficient Flowline Simulations of Ice Shelf–Ocean Interactions: Sensitivity Studies with a Fully Coupled Model Oceanography |
| author_sort |
walker, ryan t. |
| spelling |
Walker, Ryan T. Holland, David M. Parizek, Byron R. Alley, Richard B. Nowicki, Sophie M. J. Jenkins, Adrian 0022-3670 1520-0485 American Meteorological Society Oceanography http://dx.doi.org/10.1175/jpo-d-13-037.1 <jats:title>Abstract</jats:title><jats:p>Thermodynamic flowline and plume models for the ice shelf–ocean system simplify the ice and ocean dynamics sufficiently to allow extensive exploration of parameters affecting ice-sheet stability while including key physical processes. Comparison between geophysically and laboratory-based treatments of ice–ocean interface thermodynamics shows reasonable agreement between calculated melt rates, except where steep basal slopes and relatively high ocean temperatures are present. Results are especially sensitive to the poorly known drag coefficient, highlighting the need for additional field experiments to constrain its value. These experiments also suggest that if the ice–ocean interface near the grounding line is steeper than some threshold, further steepening of the slope may drive higher entrainment that limits buoyancy, slowing the plume and reducing melting; if confirmed, this will provide a stabilizing feedback on ice sheets under some circumstances.</jats:p> Efficient Flowline Simulations of Ice Shelf–Ocean Interactions: Sensitivity Studies with a Fully Coupled Model Journal of Physical Oceanography |
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Journal of Physical Oceanography |
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| title |
Efficient Flowline Simulations of Ice Shelf–Ocean Interactions: Sensitivity Studies with a Fully Coupled Model |
| title_unstemmed |
Efficient Flowline Simulations of Ice Shelf–Ocean Interactions: Sensitivity Studies with a Fully Coupled Model |
| title_full |
Efficient Flowline Simulations of Ice Shelf–Ocean Interactions: Sensitivity Studies with a Fully Coupled Model |
| title_fullStr |
Efficient Flowline Simulations of Ice Shelf–Ocean Interactions: Sensitivity Studies with a Fully Coupled Model |
| title_full_unstemmed |
Efficient Flowline Simulations of Ice Shelf–Ocean Interactions: Sensitivity Studies with a Fully Coupled Model |
| title_short |
Efficient Flowline Simulations of Ice Shelf–Ocean Interactions: Sensitivity Studies with a Fully Coupled Model |
| title_sort |
efficient flowline simulations of ice shelf–ocean interactions: sensitivity studies with a fully coupled model |
| topic |
Oceanography |
| url |
http://dx.doi.org/10.1175/jpo-d-13-037.1 |
| publishDate |
2013 |
| physical |
2200-2210 |
| description |
<jats:title>Abstract</jats:title><jats:p>Thermodynamic flowline and plume models for the ice shelf–ocean system simplify the ice and ocean dynamics sufficiently to allow extensive exploration of parameters affecting ice-sheet stability while including key physical processes. Comparison between geophysically and laboratory-based treatments of ice–ocean interface thermodynamics shows reasonable agreement between calculated melt rates, except where steep basal slopes and relatively high ocean temperatures are present. Results are especially sensitive to the poorly known drag coefficient, highlighting the need for additional field experiments to constrain its value. These experiments also suggest that if the ice–ocean interface near the grounding line is steeper than some threshold, further steepening of the slope may drive higher entrainment that limits buoyancy, slowing the plume and reducing melting; if confirmed, this will provide a stabilizing feedback on ice sheets under some circumstances.</jats:p> |
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| author | Walker, Ryan T., Holland, David M., Parizek, Byron R., Alley, Richard B., Nowicki, Sophie M. J., Jenkins, Adrian |
| author_facet | Walker, Ryan T., Holland, David M., Parizek, Byron R., Alley, Richard B., Nowicki, Sophie M. J., Jenkins, Adrian, Walker, Ryan T., Holland, David M., Parizek, Byron R., Alley, Richard B., Nowicki, Sophie M. J., Jenkins, Adrian |
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| description | <jats:title>Abstract</jats:title><jats:p>Thermodynamic flowline and plume models for the ice shelf–ocean system simplify the ice and ocean dynamics sufficiently to allow extensive exploration of parameters affecting ice-sheet stability while including key physical processes. Comparison between geophysically and laboratory-based treatments of ice–ocean interface thermodynamics shows reasonable agreement between calculated melt rates, except where steep basal slopes and relatively high ocean temperatures are present. Results are especially sensitive to the poorly known drag coefficient, highlighting the need for additional field experiments to constrain its value. These experiments also suggest that if the ice–ocean interface near the grounding line is steeper than some threshold, further steepening of the slope may drive higher entrainment that limits buoyancy, slowing the plume and reducing melting; if confirmed, this will provide a stabilizing feedback on ice sheets under some circumstances.</jats:p> |
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| physical | 2200-2210 |
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| spelling | Walker, Ryan T. Holland, David M. Parizek, Byron R. Alley, Richard B. Nowicki, Sophie M. J. Jenkins, Adrian 0022-3670 1520-0485 American Meteorological Society Oceanography http://dx.doi.org/10.1175/jpo-d-13-037.1 <jats:title>Abstract</jats:title><jats:p>Thermodynamic flowline and plume models for the ice shelf–ocean system simplify the ice and ocean dynamics sufficiently to allow extensive exploration of parameters affecting ice-sheet stability while including key physical processes. Comparison between geophysically and laboratory-based treatments of ice–ocean interface thermodynamics shows reasonable agreement between calculated melt rates, except where steep basal slopes and relatively high ocean temperatures are present. Results are especially sensitive to the poorly known drag coefficient, highlighting the need for additional field experiments to constrain its value. These experiments also suggest that if the ice–ocean interface near the grounding line is steeper than some threshold, further steepening of the slope may drive higher entrainment that limits buoyancy, slowing the plume and reducing melting; if confirmed, this will provide a stabilizing feedback on ice sheets under some circumstances.</jats:p> Efficient Flowline Simulations of Ice Shelf–Ocean Interactions: Sensitivity Studies with a Fully Coupled Model Journal of Physical Oceanography |
| spellingShingle | Walker, Ryan T., Holland, David M., Parizek, Byron R., Alley, Richard B., Nowicki, Sophie M. J., Jenkins, Adrian, Journal of Physical Oceanography, Efficient Flowline Simulations of Ice Shelf–Ocean Interactions: Sensitivity Studies with a Fully Coupled Model, Oceanography |
| title | Efficient Flowline Simulations of Ice Shelf–Ocean Interactions: Sensitivity Studies with a Fully Coupled Model |
| title_full | Efficient Flowline Simulations of Ice Shelf–Ocean Interactions: Sensitivity Studies with a Fully Coupled Model |
| title_fullStr | Efficient Flowline Simulations of Ice Shelf–Ocean Interactions: Sensitivity Studies with a Fully Coupled Model |
| title_full_unstemmed | Efficient Flowline Simulations of Ice Shelf–Ocean Interactions: Sensitivity Studies with a Fully Coupled Model |
| title_short | Efficient Flowline Simulations of Ice Shelf–Ocean Interactions: Sensitivity Studies with a Fully Coupled Model |
| title_sort | efficient flowline simulations of ice shelf–ocean interactions: sensitivity studies with a fully coupled model |
| title_unstemmed | Efficient Flowline Simulations of Ice Shelf–Ocean Interactions: Sensitivity Studies with a Fully Coupled Model |
| topic | Oceanography |
| url | http://dx.doi.org/10.1175/jpo-d-13-037.1 |