Description
- Abstract:
- The thermohaline instabilities imposed by sea ice floes on the surface ocean create submesoscale eddies which are poorly modelled in modern oceanographic or atmospheric models. This work compares a simple two-dimensional diffusive model to the MITgcm's three-dimensional shelf-ice functionality when calculating the change in ocean temperature variance over time. A rough parameterization of the time required to equilibriate the ice-perturbed ocean according to the MITgcm can be derived by applying the MATLAB model with a diffusive constant equal to the MITgcm eddy diffusivity constant. This can be further crudely parameterized by analysizing the initial conditions of the surface ocean and relating one of two short algorithms described in-text. The eddy diffusivity, kappa, of the MITgcm was calculated by comparing the two models and found to exist O(10^3), though kappa=f(sigma). kappa varied somewhat with the complexity of the initial sea ice floe arrangement but remained within the order of magnitude.
- Notes:
- Senior thesis (ScB)--Brown University, 2019
- Concentration: Geophysics-Math
Access Conditions
- Rights
- In Copyright
- Restrictions on Use
- Collection is open for research.
Citation
Clay, Jacinta,
"Interaction of Sea Surface Ice Floes in Fluid Dynamical Eddy Simulations"
(2019).
Earth, Environmental and Planetary Sciences Theses and Dissertations.
Brown Digital Repository. Brown University Library.
https://repository.library.brown.edu/studio/item/bdr:919686/
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Earth, Environmental and Planetary Sciences Theses and Dissertations
Theses and Dissertations for the Earth, Environmental and Planetary Sciences department....