Wind Modulation of Dissolved Oxygen in Chesapeake Bay
A numerical circulation model with a simplified dissolved oxygen module is used to examine the importance of wind-driven ventilation of hypoxic waters in Chesapeake Bay. The model demonstrates that the interaction between wind-driven lateral circulation and enhanced vertical mixing over shoal region...
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| Veröffentlicht in: | Estuaries and coasts 2010-09, Vol.33 (5), p.1164-1175 |
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| container_title | Estuaries and coasts |
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| creator | Scully, Malcolm E. |
| description | A numerical circulation model with a simplified dissolved oxygen module is used to examine the importance of wind-driven ventilation of hypoxic waters in Chesapeake Bay. The model demonstrates that the interaction between wind-driven lateral circulation and enhanced vertical mixing over shoal regions is the dominant mechanism for providing oxygen to hypoxic sub-pycnocline waters. The effectiveness of this mechanism is strongly influenced by the direction of the wind forcing. Winds from the south are most effective at supplying oxygen to hypoxic regions, and winds from the west are shown to be least effective. Simple numerical simulations demonstrate that the volume of hypoxia in the bay is nearly 2.5 times bigger when the mean wind is from the southwest as compared to the southeast. These results provide support for a recent analysis that suggests much of the long-term variability of hypoxia in Chesapeake Bay can be explained by variations in the summertime wind direction. |
| doi_str_mv | 10.1007/s12237-010-9319-9 |
| format | Article |
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The model demonstrates that the interaction between wind-driven lateral circulation and enhanced vertical mixing over shoal regions is the dominant mechanism for providing oxygen to hypoxic sub-pycnocline waters. The effectiveness of this mechanism is strongly influenced by the direction of the wind forcing. Winds from the south are most effective at supplying oxygen to hypoxic regions, and winds from the west are shown to be least effective. Simple numerical simulations demonstrate that the volume of hypoxia in the bay is nearly 2.5 times bigger when the mean wind is from the southwest as compared to the southeast. 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The model demonstrates that the interaction between wind-driven lateral circulation and enhanced vertical mixing over shoal regions is the dominant mechanism for providing oxygen to hypoxic sub-pycnocline waters. The effectiveness of this mechanism is strongly influenced by the direction of the wind forcing. Winds from the south are most effective at supplying oxygen to hypoxic regions, and winds from the west are shown to be least effective. Simple numerical simulations demonstrate that the volume of hypoxia in the bay is nearly 2.5 times bigger when the mean wind is from the southwest as compared to the southeast. 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Psychology</subject><subject>Hypoxia</subject><subject>Mathematical models</subject><subject>Modeling</subject><subject>Oxygen</subject><subject>Respiration</subject><subject>Sea water ecosystems</subject><subject>Shoals</subject><subject>Simulation</subject><subject>Surface water</subject><subject>Synecology</subject><subject>Water and Health</subject><subject>Wind</subject><subject>Wind direction</subject><subject>Wind velocity</subject><issn>1559-2723</issn><issn>1559-2731</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>8G5</sourceid><sourceid>BENPR</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNp9kE1LAzEQhoMoWKs_wIOwCB5XJ5lkNzlq_YRKL4rHkG6SurVuarIV--_dsqXePMwHzDvvDA8hpxQuKUB5lShjWOZAIVdIVa72yIAKoXJWIt3f9QwPyVFKcwAuBPABEW91Y7PnYFcL09ahyYLPbuuUwuLb2Wzys565JqubbPTuklk68-GyG7M-JgfeLJI72dYheb2_exk95uPJw9PoepxXWJRt7gVaCdYjryyzRWFAcG7BGRQMvDRTN1WV5WVhlKLSoROmlEz5glcMFeU4JOe97zKGr5VLrZ6HVWy6k7rkEpAzuRHRXlTFkFJ0Xi9j_WniWlPQGzi6h6M7OHoDp0tDcrE1NqkyCx9NU9Vpt8gQGS0k63Ss16Vu1Mxc_HvgP_Ozfmme2hB3phxkgbyLX1KRe8g</recordid><startdate>20100901</startdate><enddate>20100901</enddate><creator>Scully, Malcolm E.</creator><general>Spring Science + Business Media</general><general>Springer-Verlag</general><general>Springer</general><general>Springer Nature B.V</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QG</scope><scope>7SN</scope><scope>7TN</scope><scope>7U7</scope><scope>7UA</scope><scope>7XB</scope><scope>8AO</scope><scope>8FK</scope><scope>8G5</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>H95</scope><scope>H96</scope><scope>HCIFZ</scope><scope>L.G</scope><scope>M2O</scope><scope>M7N</scope><scope>MBDVC</scope><scope>PATMY</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope><scope>Q9U</scope></search><sort><creationdate>20100901</creationdate><title>Wind Modulation of Dissolved Oxygen in Chesapeake Bay</title><author>Scully, Malcolm E.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c367t-f53d80df34cd2d66a0544d0ea3520f8abeb9cd476a9918e3e5a7829f64c239143</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Animal and plant ecology</topic><topic>Animal, plant and microbial ecology</topic><topic>Bathymetry</topic><topic>Biological and medical sciences</topic><topic>Brackish water ecosystems</topic><topic>Coastal Sciences</topic><topic>Dissolved oxygen</topic><topic>Earth and Environmental Science</topic><topic>Ecology</topic><topic>Environment</topic><topic>Environmental Management</topic><topic>Estuaries</topic><topic>Freshwater & Marine Ecology</topic><topic>Fundamental and applied biological sciences. 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The model demonstrates that the interaction between wind-driven lateral circulation and enhanced vertical mixing over shoal regions is the dominant mechanism for providing oxygen to hypoxic sub-pycnocline waters. The effectiveness of this mechanism is strongly influenced by the direction of the wind forcing. Winds from the south are most effective at supplying oxygen to hypoxic regions, and winds from the west are shown to be least effective. Simple numerical simulations demonstrate that the volume of hypoxia in the bay is nearly 2.5 times bigger when the mean wind is from the southwest as compared to the southeast. These results provide support for a recent analysis that suggests much of the long-term variability of hypoxia in Chesapeake Bay can be explained by variations in the summertime wind direction.</abstract><cop>New York</cop><pub>Spring Science + Business Media</pub><doi>10.1007/s12237-010-9319-9</doi><tpages>12</tpages></addata></record> |
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| source | Jstor Complete Legacy; Springer Nature - Complete Springer Journals |
| subjects | Animal and plant ecology Animal, plant and microbial ecology Bathymetry Biological and medical sciences Brackish water ecosystems Coastal Sciences Dissolved oxygen Earth and Environmental Science Ecology Environment Environmental Management Estuaries Freshwater & Marine Ecology Fundamental and applied biological sciences. Psychology Hypoxia Mathematical models Modeling Oxygen Respiration Sea water ecosystems Shoals Simulation Surface water Synecology Water and Health Wind Wind direction Wind velocity |
| title | Wind Modulation of Dissolved Oxygen in Chesapeake Bay |
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