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Driven Circulation; Dissolved-Oxygen; Fresh-Water; Estuaries; Transport; Wind; Eutrophication; Exchange; Nitrogen; Marine
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Water Residence Time In Chesapeake Bay For 1980-2012, Jb Du, Jian Shen
Water Residence Time In Chesapeake Bay For 1980-2012, Jb Du, Jian Shen
VIMS Articles
Concerns have grown over the increase of nutrients and pollutants discharged into the estuaries and coastal seas. The retention and export of these materials inside a system depends on the residence time (RT). A long-term simulation of time-varying RT of the Chesapeake Bay was conducted over the period from 1980 to 2012. The 33-year simulation results show that the mean RT of the entire Chesapeake Bay system ranges from 110 to 264 days, with an average value of 180 days. The RT was larger in the bottom layers than in the surface layers due to the persistent stratification and estuarine …