Drinking water comes from a variety of sources, including public systems, private wells, or bottled water. While systems are monitored under the federal Safe Water Act, wells not regulated. Private well users responsible for management and protection their quality. This publication Department Soil, Water, Ecosystem Sciences is Florida homeowners who interested in learning more about drinking st...

In this paper, we address the question of the hyperbolicity and the local wellposedness of the two-layer shallow water model, with free surface, in two dimensions. We first provide a general criterion that proves the symmetrizability of this model, which implies hyperbolicity and local well-posedness in Hs(R2), with s > 2. Then, we analyze rigorously the eigenstructure associated to this model ...

Article history: Received 24 March 2011 Received in revised form 22 May 2011 Accepted 6 July 2011 Available online 9 August 2011