# Contour Dynamics for Surface Quasi-Geostrophic Fronts

## TL;DR

This paper applies contour dynamics to derive equations of motion for surface quasi-geostrophic fronts, confirming previous regularization results and providing a new analytical approach.

## Contribution

It introduces a contour dynamics method for SQG fronts that aligns with prior regularization techniques, offering a novel analytical framework.

## Key findings

- Contour dynamics yields equations consistent with Hunter and Shu's regularization.
- The approach simplifies analysis of SQG front evolution.
- Provides a new perspective on surface quasi-geostrophic front dynamics.

## Abstract

We use contour dynamics to derive equations of motion for infinite planar surface quasi-geostrophic (SQG) fronts, and show that it leads to the same result as a regularization procedure introduced previously by Hunter and Shu (2018).