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Simulating Landfast Ice in Lake Superior
| Content Provider | MDPI |
|---|---|
| Author | Lin, Yuchun Fujisaki-Manome, Ayumi Anderson, Eric J. |
| Copyright Year | 2022 |
| Description | Landfast ice plays an important role in the nearshore hydrodynamics of large lakes, such as the dampening of surface waves and currents. In this study, previously developed landfast ice basal stress parameterizations were added to an unstructured grid hydrodynamic ice model to represent the effects of grounded ice keels and tensile strength of ice cover. Numerical experiments using this model were conducted to evaluate the development of coastal landfast ice in Lake Superior. A sensitivity study of the free parameters was conducted from December 2018 to May 2021 to cover both high and low ice cover winters in Lake Superior and was compared against observations from the United States National Ice Center. The model reproduces the annual variation in coastal landfast ice in Lake Superior, particularly in shallow nearshore areas and the semi-enclosed bays in the northern regions of the lake. Experiments also show that the growth of landfast ice is mainly controlled by the free parameter that controls the critical ice thickness for the activation of basal stress. Overall, the model tends to underestimate the extent of coastal landfast against observations. |
| Starting Page | 932 |
| e-ISSN | 20771312 |
| DOI | 10.3390/jmse10070932 |
| Journal | Journal of Marine Science and Engineering |
| Issue Number | 7 |
| Volume Number | 10 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2022-07-07 |
| Access Restriction | Open |
| Subject Keyword | Journal of Marine Science and Engineering Limnology Landfast Ice Basal Stress Numerical Simulation Great Lakes Lake Ice Ice Modeling |
| Content Type | Text |
| Resource Type | Article |
