Almost sharp fronts for the surface quasi-geostrophic equation.
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- Record sourced from PubMed, PMID 14978276.
- Also identified by PMC identifier 365681.
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Abstract
We investigate the evolution of "almost sharp" fronts for the surface quasi-geostrophic equation. This equation was originally introduced in the geophysical context to investigate the formation and evolution of fronts, i.e., discontinuities between masses of hot and cold air. These almost sharp fronts are weak solutions of quasi-geostrophic with large gradient. We relate their evolution to the evolution of sharp fronts.