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Effects of Prevailing Winds on Turbidity of a Shallow Estuary
Department of Biology, Jackson State University, 1400 Lynch Street, P.O. Box 18540, Jackson, Mississippi, USA
Received: 19 January 2007; Accepted: 30 April 2007 / Published: 30 June 2007
Abstract: Estuarine waters are generally more turbid than lakes or marine waters due to greater algal mass and continual re-suspension of sediments. The varying effects of diurnal and seasonal prevailing winds on the turbidity condition of a wind-dominated estuary were investigated by spatial and statistical analyses of wind direction, water level, turbidity, chlorophyll a, and PAR (Photosynthetically Active Radiation) collected in Lake Pontchartrain, Louisiana, USA. The prolonged prevailing winds were responsible for the long-term, large-scale turbidity pattern of the estuary, whereas the short-term changes in wind direction had differential effects on turbidity and water level in varying locations. There were temporal and spatial changes in the relationship between vertical light attenuation coefficient (Kd) and turbidity, which indicate difference in phytoplankton and color also affect Kd. This study demonstrates that the effect of wind on turbidity and water level on different shores can be identified through system-specific analyses of turbidity patterns.
Keywords: Wind direction; turbidity; water level; estuary; Lake Pontchartrain
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MDPI and ACS Style
Cho, H.J. Effects of Prevailing Winds on Turbidity of a Shallow Estuary. Int. J. Environ. Res. Public Health 2007, 4, 185-192.
Cho HJ. Effects of Prevailing Winds on Turbidity of a Shallow Estuary. International Journal of Environmental Research and Public Health. 2007; 4(2):185-192.
Cho, Hyun J. 2007. "Effects of Prevailing Winds on Turbidity of a Shallow Estuary." Int. J. Environ. Res. Public Health 4, no. 2: 185-192.