During the summer of 1996, Kincaid from GSO, Peter Patton (from Wesleyan University), Ed Dettman (from the EPA) and a number of GSO students will be involved in a field experiment to constrain circulation patterns within Narragansett Bay. Shown here is the Bay in map view. Data on current velocities will be obtained simultaneously using 3 Acoustic Doppler Current Profilers along cross sections WP (west passage), EP (east passage) and SR1 (lower Sakonnet River). Data will be collected over a complete tidal cycle. A second full day of data collection using the 3 ADCPs will be to characterize fluxes through lines EP2-EP3, UB1-UB2 and MHB-SR2, all located in the upper Bay. In this way, gross tidal circulation patterns and exchanges between different regions of the Bay will be examined.





Preliminary ADCP data has been collected along lines WP and EP from above. The data was collected over a tidal cycle in October of 1995. This velocity contour field is for data along transect EP during an ebb tide. The data shows a higher velocity core of outflow situated on the eastern side of the channel. This type of data provides information on both the pattern of current velocities and the total flux through a given cross-section.