Title

Response of Louisiana coastal environments to a cold front passage

Document Type

Article

Publication Date

1-1-1993

Abstract

The effect of a cold front passage on suspended sediment concentrations, water temperatures, and coastal circulation off Louisiana is examined via remote sensing with the Multispectral Atmospheric Mapping Sensor (MAMS). Time series charts of water temperature and suspended sediment content record the rapid (days) response of these shallow coastal waters to the cold front system of March 30-April 1, 1989. The river discharge sediment plumes stream down wind from the coast, remaining as coherent discrete water masses for up to 100 km. Detectable temperature gradients evolve rapidly in the estuarine waters in response to changing atmospheric conditions, with lowest temperatures developing in shallowest regions. Water level setup and setdown created by surface winds and barometric pressure strongly affect the exchange of river, estuarine and Gulf water. -from Authors

Publication Source (Journal or Book title)

Journal of Coastal Research

First Page

434

Last Page

447

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