A numerical investigation of the Mississippi and Atchafalaya freshwater transport, filling and flushing times on the Texas-Louisiana Shelf

Journal of Geophysical Research: Oceans

Volumn 117, Issue 11, 2012, Pages

  Zhang, Xiaoqian ^a   Hetland, Robert D ^a   Marta Almeida, Martinho ^a   Dimarco, Steven F ^a  

^a TEXAS A AND M UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BUOYANCY DRIVEN FLOWS; COASTAL MODELS; COMPETING EFFECTS; EKMAN TRANSPORT; FLUSHING TIME; FRESHWATER FLUXES; FRESHWATER TRANSPORTS; HIGH RESOLUTION; HINDCASTS; INTERANNUAL VARIABILITY; MISSISSIPPI; MODEL DOMAINS; NARROW BANDS; NUMERICAL INVESTIGATIONS; OFFSHORE COMPONENTS; OPERATIONAL MODEL; RIVER DISCHARGE; SEASONAL PATTERNS; SEASONAL WIND; SHELF DOMAINS; WIND-DRIVEN FLOWS;

WATER;

EKMAN TRANSPORT; FLUSHING; NEARSHORE DYNAMICS; NUMERICAL MODEL; SURFACE WATER; WIND-DRIVEN CIRCULATION;

ATCHAFALAYA RIVER; ATLANTIC OCEAN; GULF OF MEXICO; LOUISIANA; LOUISIANA SHELF; MISSISSIPPI RIVER; TEXAS; UNITED STATES;

EID: 84869462799     PISSN: None     EISSN: 21699291     Source Type: Journal    
DOI: 10.1029/2012JC008108     Document Type: Article

References (39)

1. Barth, A., A. Alvera-Azcarate, and R. H. Weisberg (2008), Benefit of nesting a regional model into a large-scale ocean model instead of climatology. Application to the West Florida Shelf, Cont. ShelfRes., 28, 561-573, doi:10.1016/j.csr.2007.11.004.
2. Bianchi, T. S., S. F. DiMarco, J. H. Cowan Jr., R. D. Hetland, P. Chapman, J. W. Day, and M. A. Allison (2010), The science of hypoxia in the northern GulfofMexico: A review, Sci. TotalEnviron., 408(7), 1471-1484, doi:10.1016/j.scitotenv.2009.11.047.
3. Bogden, P. S., P. Malanotte-Rizzoli, and R. P. Signell (1996), Open-ocean boundary conditions from interior data: Local and remote forcing of Massachusetts Bay, J. Geophys. Res., 101, 6487-6500, doi:10.1029/95JC03705. (Pubitemid 26477412)
4. Chapman, D. C. (1985), Numerical treatment of cross-shelf open boundaries in abarotropic coastal ocean model, J. Phys. Oceanogr., 15, 1060-1075, doi:10.1175/1520-0485(1985)015<1060:NTOCSO>2.0.CO;2.
5. Cho, K., R. O. Reid, and W. D. Nowlin Jr. (1998), Objectively mapped stream function fields on the Texas-Louisiana Shelfbased on 32 months ofmooredcurrentmeterdata, J. Geophys. Res., 103(C5), 10, 377-10, 390, doi:10.1029/98JC00099. (Pubitemid 28426776)
6. Cochrane, J. D., and F. J. Kelly (1986), Low-frequency circulation on the Texas-Louisiana Continental Shelf, J. Geophys. Res., 91(C9), 10, 645-10, 659, doi:10.1029/JC091iC09p10645.
7. Dale, V., et al. (2008), Hypoxia in the northern GulfofMexico: An update by the EPA Science Advisory Board, U.S. Environ. Prot. Agency, Washington, D. C.
8. DiMarco, S. F., and R. O. Reid (1998), Characterization of the principal tidal current constituents on the Texas-Louisiana Shelf, J. Geophys. Res., 103(C2), 3093-3109, doi:10.1029/97JC03289.
9. DiMarco, S. F., M. K. Howard, and R. O. Reid (2000), Seasonal variation of wind-driven diurnal current cycling on the Texas-Louisiana continental shelf, Geophys. Res. Lett., 27, 1017-1020, doi:10.1029/1999GL010491.
10. DiMarco, S. F., P. Chapman, N. Walker, and R. D. Hetland (2010), Does local topography control hypoxia on the eastern Texas-Louisiana Shelf?, J. Mar. Syst., 80, 25-35, doi:10.1016/j.jmarsys.2009.08.005.
11. Dinnel, S. P., and W. J. Wiseman Jr. (1986), Fresh water on the Louisiana and Texas Shelf, Cont. ShelfRes., 6(6), 765-784, doi:10.1016/0278-4343(86) 90036-1.
12. Etter, P. C., M. K. Howard, and J. D. Cochrane (2004), Heat and freshwater budgets of the Texas-Louisiana Shelf, J. Geophys. Res., 109, C02024, doi:10.1029/2003JC001820.
13. Feng, Y., S. F. DiMarco, and G. A. Jackson (2012), Relative role ofwind forcing and riverine nutrient input on the extent of hypoxia in the northern Gulf of Mexico, Geophys. Res. Lett., 39, L09601, doi:10.1029/2012GL051192.
14. Flather, R. A. (1976), A tidal model of the northwest European continental shelf, Mem. Soc. R. Sci. Liege, 10(6), 141-164.
15. Forrest, D. R., R. D. Hetland, and S. F. DiMarco (2011), Multivariable statistical regression models of the areal extent of hypoxia over the Texas-Louisiana continental shelf, Environ. Res. Lett., 6, 045002, doi:10.1088/1748-9326/6/4/045002.
16. Galperin, B., L. H. Kantha, and A. Rosati (1988), A quasi-equilibrium turbulent energy model for geophysical flows, J. Atmos. Sci., 45, 55-62, doi:10.1175/1520-0469(1988)045<0055:AQETEM>2.0.CO;2.
17. Haidvogel, D. B., H. G. Arango, K. Hedstrom, A. Beckmann, P. Malanotte-Rizzoli, and A. F. Shchepetkin (2000), Model evaluation experiments in the North Atlantic Basin: Simulations in nonlinear terrain-following coor-dinates, Dyn. Atmos. Oceans, 32, 239-281, doi:10.1016/S0377-0265(00)00049- X. (Pubitemid 30638776)
18. Hetland, R. D.(2006), Event-driven model skill assessment, Ocean Modell., 11(1-2), 214-223, doi:10.1016/j.ocemod.2004.12.001. (Pubitemid 40864862)
19. Hetland, R. D., and L. Campbell (2007), Convergent blooms of Karenia brevis along the Texas coast, Geophys. Res. Lett., 34, L19604, doi:10.1029/2007GL030474. (Pubitemid 350263024)
20. Hetland, R. D., and S. F. DiMarco (2008), How does the character of oxygen demand control the structure of hypoxia on the Texas-Louisiana continen-tal shelf?, J. Mar. Syst., 70, 49-62, doi:10.1016/j.jmarsys.2007.03. 002.
21. Hetland, R. D., and S. F. DiMarco (2012), Skill assessment of a hydrody-namic model of circulation over the Texas-Louisiana continental shelf, Ocean Modell., 43-44, 49-62, doi:10.1016/j.ocemod.2011.11.009.
22. Ichiye, T. (1960), On the hydrography near Mississippi Delta, Oceanogr. Mag., 11(2), 65-78.
23. Johnson, D. R., T. P. Boyer, H. E. Garcia, R. A. Locarnini, O. K. Baranova, and M. M. Zweng (2009), World Ocean Database 2009 documentation, edited by S. Levitus, NODC Internal Rep. 20, 175 pp., NOAA Print. Off., Silver Spring, Md.
24. Liu, Y., P. MacCready, B. M. Hickey, E. P. Dever, P. M. Kosro, and N. S. Banas (2009), Evaluation of a coastal ocean circulation model for the Columbia River plume in summer 2004, J. Geophys. Res., 114, C00B04, doi:10.1029/ 2008JC004929.
25. Marchesiello, P., J. C. McWilliams, and A. Shchepetkin (2003), Equilib-rium structure and dynamics of the California current system, J. Phys. Oceanogr., 33, 753-783.
26. Meade, R. H. (1996), River-Sediment Inputs to Major Deltas, Kluwer Acad., Dordrecht, Netherlands.
27. Mellor, G. L., and T. Yamada (1974), A hierarchy ofturbulent closure mod-els for planetary boundary layers, J. Atmos. Sci., 31, 1791-1806, doi:10.1175/1520-0469(1974)031<1791:AHOTCM>2.0.CO;2.
28. Milliman, J. D., and R. H. Meade (1983), World-wide delivery ofriver sed-iment to the ocean, J. Geol., 91(1), 1-21, doi:10.1086/628741.
29. Morey, S. L., P. J. Martin, J. J. O'Brien, A. A. Wallcraft, and J. Zavala-Hidalgo (2003), Export pathways for river discharged fresh water in the northern Gulf of Mexico, J. Geophys. Res., 108(C10), 3303, doi:10.1029/ 2002JC001674.
30. Nowlin, W. D., Jr., A. E. Jochens, R. O. Reid, and S. F. DiMarco (1998), Texas-Louisiana Shelf circulation and transport processes study: Synthe-sis report, vol. 1, Technical report, OCS Study MMS 98-0035, 502 pp., Gulf of Mex. OCS Reg., Miner. Manage. Serv., U.S. Dep. of the Int., New Orleans, La.
31. Nowlin, W. D., Jr., A. E. Jochens, S. F. DiMarco, R. O. Reid, and M. K. Howard (2005), Low-frequency circulation over the Texas-Louisiana continental shelf, in Circulation in the GulfofMexico: Observations and Models, Geophys. Monogr. Ser., vol. 161, edited by W. Sturges and A. Lugo-Fernandez, pp. 219-240, AGU, Washington, D. C., doi:10.1029/161GM17
32. Ohlmann, J., P. Niiler, C. Fox, and R. Leben (2001), Eddy energy and shelf interactions in the GulfofMexico, J. Geophys. Res., 106(C2), 2605-2620, doi:10.1029/1999JC000162.
33. Shchepetkin, A. F., and J. C. McWilliams (2005), The Regional Oceanic Modeling System (ROMS): A split-explicit, free-surface, topographically following-coordinate oceanic model, Ocean Modell., 9, 347-404, doi:10.1016/j.ocemod.2004.08.002. (Pubitemid 40306754)
34. Wang, L., and D. Justic (2009), A modeling study of the physical processes affecting the development of seasonal hypoxia over the inner Louisiana-Texas Shelf: Circulation and stratification, Cont. ShelfRes., 29, 1464-1476, doi:10.1016/j.csr.2009.03.014.
35. Warner, J. C., W. R. Geyer, and J. A. Lerczak (2005), Numerical modeling of an estuary: A comprehensive skill assessment, J. Geophys. Res., 110, C05001, doi:10.1029/2004JC002691. (Pubitemid 40974983)
36. Zhang, X., S. F. DiMarco, D. C. Smith IV, M. K. Howard, A. E. Jochens, and R. D. Hetland (2009), Near-resonant response to sea breeze on a stratified continental shelf, J. Phys. Oceanogr., 39, 2137-2155, doi:10.1175/2009JPO4054.1.
37. Zhang, X., D. C. Smith IV, S. F. DiMarco, and R. D. Hetland (2010), A numerical study of sea-breeze-driven ocean Poincare wave propagation and mixing near the critical latitude, J. Phys. Oceanogr., 40, 48-66, doi:10.1175/ 2009JPO4216.1.
38. Zhang, X., M. Marta-Almeida, and R. D. Hetland (2012), A high-resolution pre-operational forecast model of circulation on the Texas-Louisiana continental shelfand slope, J. Oper. Oceanogr., 5, 19-34.
39. Zhang, Z., and R. D. Hetland (2012), A numerical study on convergence of along-shore flows over the Texas-Louisiana Shelf, J. Geophys. Res., doi:10.1029/2012JC008145, in press.