Research‎ > ‎

Publications

2016

Fennel, K., Laurent, A., Hetland, R., Justić, D., Ko, D.S., Lehrter, J., Murrell, M., Wang, L., Yu, L., Zhang, W. (2016) Effects of model physics on hypoxia simulations for the northern Gulf of Mexico: A model inter-comparison, Journal of Geophysical Research-Oceans (submitted).

Fennel, K., Laurent, A., Zhang, W., Hetland, R., (2016) The role of bottom boundary layer dynamics in hypoxia generation (in prep. a).

 Laurent, A., Fennel, K., Wilson, R., Lehrter, J., and Devereux, R., (2016) Parameterization of biogeochemical sediment–water fluxes using in situ measurements and a diagenetic model, Biogeosciences, 13, 77-94, doi:10.5194/bg-13-77-2016.

 Laurent, A., Fennel, K., Modeling river-induced phosphorus limitation in the context of coastal hypoxia, In: Modeling Coastal Hypoxia: Numerical Simulations of Patterns, Controls and Effects of Dissolved Oxygen Dynamics, Justic, D., Rose, K.A., Hetland, R.D., Fennel, K., (eds.), Springer (forthcoming).

2015

Laurent, A., Fennel, K., Wilson, R., Lehrter, J., and Devereux, R.  (2015) Parameterization of biogeochemical sediment–water fluxes using in-situ measurements and a steady-state diagenetic model, Biogeosciences Discussion, 12, 7537-7575, doi:10.5194/bgd-12-7537-2015.

Liu, K., Chen, Q., Hu, K., Xu, K.H. (2015) Numerical Simulations of Sediment Deposition and Erosion on Louisiana Coast During Hurricane Gustav, in Coastal Sediments 2015, San Diego, CA, USA. Conference Proceeding .

Xu, K.H., Mickey, R.C., Chen, Q.J., Harris, C.K., Hetland, R.D., Hu, K., Wang, J. (2015) Shelf Sediment Transport during Hurricanes Katrina and Rita: Model Sensitivity to Erosional Rates and Settling Velocities, Computers and Geosciences. doi:10.1016/j.cageo.2015.10.009.

Yu, L., K. Fennel, and A. Laurent. (2015)  A modeling study of physical controls on hypoxia generation in the northern Gulf of Mexico, Journal of Geophysical Research-Oceans, 120, 5019-5039, doi:10.1002/2014JC010634.

Yu, L., Fennel, K., Laurent, A., Murrell, M.C., Lehrter, J.C. (2015) Numerical analysis of the primary processes controlling oxygen dynamics on the Louisiana shelf, to be submitted to the Special Issue on Low Oxygen Environments, Biogeosciences 12, 2063-2076, doi:10.5194/bg-12-2063-2015.

Zhang, W., Hetland, R.D., DiMarco S.F., Fennel, K. (2015) Processes controlling mid-water column oxygen minima over the Texas-Louisiana Shelf, Journal of Geophysical Research-Oceans, 120 (4) 2800-2812, doi:10.1002/2014JC010568.

Zhang W. (2015) Stratification prediction and bottom boundary layer dynamics over the Texas-Louisiana shelf. Doctoral dissertation. Texas A&M University.

Zhang, W., Hetland, R.D., DiMarco, S.F., Fennel, K.  (2015) (submitted) The impact of shelf stratification on hypoxia over Texas-Louisiana shelf, Ocean Modelling.

Zhao, Y. , Wang, Y. and Quigg, A. (2015) Comparison of population growth and photosynthetic apparatus changes in response to different nutrient status in a diatom and a coccolithophore.  Journal of Phycology, 51, 872-884, DOI: 10.1111/jpy.12327.

Zhao, Y. , Wang, Y. and Quigg, A.  (2015) The 24 hour recovery kinetics from N starvation in Phaeodactylum tricornutum and Emiliana huxleyi.  Journal of Phycology, 51(4) 726-738. DOI: 101111/jpy.12314.

2014

 Chekalyuk, A., Barnard, A., Quigg, A., Hafez, M. and Zhao, Y (2014) Aquatic Laser Fluorescence Analyzer: Field evaluation in the Northern Gulf of Mexico. Optics express.  22 (18), 21641-21656. http://dx.doi.org/10.1364/OE.22.021641

** Selected by the Editors, Andrew Dunn and Anthony Durkin, for publication in an issue of the Virtual Journal for Biomedical Optics (VJBO), which is a special feature of OSA's Optics InfoBase, http://vjbo.osa.org/virtual_issue.cfm.

Feng, Y.,  Fennel, K., Jackson, G.A., DiMarco, S.F., Hetland, R.D. (2014)  A model study of the response of hypoxia to upwelling favorable wind on the northern Gulf of Mexico Shelf. Journal of Marine Systems, 131, 63-73. http://dx.doi.org/10.1016/j.jmarsys.2013.11.009

Langseth, B.J., Purcell, K.M., Craig, J.K., Schueller, A.M., Smith, J.W., Shertzer, K.W., Creekmore, S., Rose, K.A., Fennel, K. (2014) Effect of changes in dissolved oxygen concentrations on the spatial dynamics of the Gulf Menhaden fishery in the northern Gulf of Mexico, Marine and Coastal Fisheries, Dynamics, Management, and Ecosystem Science, 6, 223-234, doi:10.1080/19425120.2014.949017.

Laurent, A., Fennel, K. (2014)  Simulated reduction of hypoxia in the northern Gulf of Mexico due to phosphorus limitation, Elementa, 2, 000022, doi:10.12952/journal.elementa.000022.

Mickey, R.C., Xu, K.H., Libes, S., Hill, J. (2014) Sediment texture, erodibility, and composition in the Northern Gulf of Mexico and their potential impacts on hypoxia formation, Ocean Dynamics. DOI 10.1007/s10236-014-0796-4.

Nunnally,C.,  Quigg, A., DiMarco, S.F., Chapman, P., Rowe, G.T. (2014) Benthic–pelagic coupling in the Gulf of Mexico hypoxic area: Sedimentary enhancement of hypoxic conditions and near bottom primary production. Continental Shelf Research, 85, 143-152.

Xu, K.H., Corbett, D., Walsh, J., Young, D., Briggs, K., Cartwright, G., Friedrichs, C., Harris, C., Mickey, R., Mitra, S. (2014)  Seabed Erodibility Variations on the Louisiana Continental Shelf Before and After the 2011 Mississippi River Flood, Estuarine, Coastal and Shelf Science, 149, 283-293. http://dx.doi.org/10.1016/j.ecss.2014.09.002.

Xu, K.H., Corbett, D., Walsh, J., Young, D., Briggs, K., Cartwright, G., Friedrichs, C., Harris, C., Mickey*, R., Mitra, S. (2014) Seabed Erodibility Variations on the Louisiana Continental Shelf Before and After the 2011 Mississippi River Flood, Estuarine, Coastal and Shelf Science, 149, 283-293. doi: 10.1015/j.ecss.2014.09.002.

Zhao, Y., Quigg, A. (2014) Study of photosynthetic productivity in The Northern Gulf of Mexico: importance of diel cycles and light penetration. Continental Shelf Research, 102, 33-46.  doi: 10.1016/j.csr.2015.04.014.

Zhao, Y.,  Quigg, A. (2014) Nutrient limitation in Northern Gulf of Mexico (NGOM): phytoplankton communities and photosynthesis respond to nutrient pulse. PLOS One, 9 (2) e88732. doi:10.1371/journal.pone.0088732.

 2013

Bianchi,T.S., GarciaTigreros, F., YvonLewis, S.A., Shields, M., Mills, H.j., Butman, D., Osburn, C., Raymond, P.,  Shank, C., DiMarco, S. F., Walker, N., Reese, B.K., MullinsPerry, R., Quigg, A., Aiken, G., Grossman, E. L. (2013.) Enhanced transfer of terrestrially derived carbon to the atmosphere in a flooding event. Geophysical Research Letters, 40 (1) 116-122.

Fennel, K., Hu, J., Laurent, A., Marta-Almeida, M., Hetland, R. (2013) Sensitivity of hypoxia predictions for the Northern Gulf of Mexico to sediment oxygen consumption and model nesting, Journal of Geophysical Research-Oceans 118, 990-1002, doi:10.1002/jgrc.20077.

Marta-Almeida, M., Hetland, R.D, Zhang, X. (2013) Evaluation of model nestng performance on the Texas-Louisiana continental shelf, Journal of Geophysical Research Oceans118, 2476-2491, doi:0.1002/jgrc.20163. 

Marta-Almeida, M., Ruiz-Villareal, M., Pereira, J., Otero, P., Cirano, M., Zhang, X., Hetland, R.D. (2013) Efficient tools for marine operational forecast and oil spill tracking, Marine Pollution Bulletin, 71, 139-151.

Mattern, J., Fennel, K., Dowd, M. (2013) Sensitivity and uncertainty analysis of model hypoxia estimates for the Texas-Louisiana shelf, Journal of Geophysical Research: Oceans, 118, 1-17, doi:10.1002/jgrc_20130.2013.

2012

DiMarco, S.F., Strauss, J., May, N., Mullins-Perry, R.L., Ethan L. Grossman, E.L., Shormann, D. (2012) Texas Coastal Hypoxia Linked to Brazos River Discharge as Revealed by Oxygen Isotopes, Aquatic Geochemistry, DOI 10.1007/s10498-011-9156-x.

Feng, Y., S. F. DiMarco,S.F., Jackson, G.A. (2012) The relative role of upwelling favorable wind and Mississippi River forcing of the northern Gulf of Mexico hypoxia, Geophysical Reserach Letters, doi:10.1029/2012GL051192, 39, L09601.

Forrest, D.R., Hetland,R.D.,  DiMarco, S.F. (2012) Corrigendum: Multivariable statistical regression models of the areal extent of hypoxia over the Texas–Louisiana continental shelf, Environmental Research Letters, 7 (1), 019501.

Hetland, R.D., Fennel, K., Harris, C.K., Kaihatu, J., Xu, K. and DiMarco, S.F. (2012) Integrated bio-physical modeling of the Lousiana-Texas (LATEX) Shelf, U. S. Department of the Interior.  Bureau of Ocean Energy Management Gulf of Mexico OCS Region.  New Orleans, LA.  OCS Study BOEM 2012-108, 128pp.

Hetland, R.D.,  and DiMarco, S.F. (2012) Skill assessment of a numerical model of the Texas-Louisiana Shelf, Ocean Modeling, 43-44, 64-76. doi:10.1016/j.ocemod.2011.11.009.

Laurent, A., Fennel, K., Hu, J., and Hetland, R. (2012) Simulating the effects of phosphorus limitation in the Mississippi and Atchafalaya River plumesBiogeosciences , 9, 4707-4723, doi:10.5194/bgd-9-5625-2012.

Reese, B. K., Mills, H.J., Dowd, S.E., Morse. J.W.  (2012) Linking molecular microbial ecology to geochemistry in a coastal hypoxic zone. Geomicrobiology Journal, 30 (2), 160-172. doi 10.1080/01490451.2012.659331.

Smith, R.S., Bianchi, T.S., Li, X. (2012) A re-evaluation of the use of branced GDGTs as terrestrial biomarkers: Implicatin for the BIT Index. Geochimica et Cocmochimica Acta. doi:10.1016/j.gca.2011.11.025.

Strauss, J., Grossman, E., DiMarco, S.F. (2012) Stable isotopes in mollusk shells as indicators of benthic respiration and freshwater penetration on the Texas-Louisiana Shelf. Bulletin of Marine Science., 88 (4), 817-842. Doi:10.5343/bms.2011.1047.

Strauss, J., Grossman, E.L., DiMarco, S.F. (2012) Stable isotope characterization of hypoxia-susceptible waters on the Louisiana shelf: Tracing freshwater discharge and benthic respiration, Contiental Shelf Research 47, 7-15.

Zhang, X., Hetland, R.D., Marta-Almeida, M., DiMarco, S.F. (2012)  A numerical investigation of the Mississippi and Atchafalaya freshwater transport, filing and flushing times on the Texas-Louisiana Shelf, Journal of Geophysical Reserach, 117, C11009. doi:10.1029/2012JC008108.

Zhang, X., Marta-Almeida, M., Hetland, R.D. (2012)  A high-resolution pre-operational forecast model of circulaiton on the Texas-Louisiana continental shelf and slope, Journal of Operational Oceanography, 5 (1) 19-34.

2011

Bianchi, T.S., Wysocki, L.A., Schreiner, K.M., Filley, T.R., Corbett, D.R., Kolker, A.S. (2011) Sources of Terrestrial Organic Carbon in the MIssissippi Plume Region: Evidence for the Importance of Coastal March Inputs. Aquatic Geochemistry 17, 431-456. DOI 10.1007/s10498-010-9110-3.

Burchard, H., Hetland, R.D., Schulz, E., Schuttelaars, H.M. (2011) Drivers of Residual Estuarine Circulation in Tidally Energetic Estuaries: Straight and Irrotational Channels with Parabolic Cross Section. Journal of Physical Oceanography, 41, 548-570.

Chapman, P., Truesdale, V.W. (2011)  Preliminary Evidence for Iodate Reduction in Bottom Waters of the Gulf of Mexico During an Hypoxic Event. Aquatic Geochemistry, 17, 671-695. DOI 10.1007/s10498-011-9123-6.

Duan, S., Amon, R., Bianchi, T.S., Santschi, P.H. (2011) Temperature Control on Soluble Reactive Phosphorus in the Lower Mississippi River? Estuaries and Coasts, 34, 78-89.

Fennel, K., Hetland, R., Feng, Y., DiMarco, S. (2011) A coupled physical-biological model of the Norhtern Gulf of Mexico shelf: model description, validation and analysis of phytoplankton variability, Biogeosciences, 8, 1881-1899. doi: 10.5194/bg-8-1881-2011.

Forest, D.R., Heltand, R.D., DiMarco, S.F. (2011) Multivariable statistical regression models of the areal extent of hypoxia over the Texas-Louisiana continental shelf.Environ. Research Letters, 6, 045002 (10pp). doi:10.1088/1748-9326/6/4/045002.

Li, X., Bianchi, T.S., Yang, Z., Osterman, L., Allison, M., DiMarco, S., Yang, G. (2011)  Historical trends of hypoxia in Changjiang River estuary: Applications of chemical biomarkers and microfossils, Journal of Marine Systems, 86, 57-68.

Mullins-Perry R.L., DiMarco, S.F., Zhang, X., Guinasso, Jr., N.L. (2011) Interdisciplinary ocean observing applications for investigating coastal hypoxia in the Gulf of Mexico; OCEANS ’11, MTS/IEEE Kona, Program Book, Article no. 6107127.

Quigg, A., Sylvan, J.B., Fustafson, A.B., Risher, T.R., Oliver, R.L., Tozzi, S., Ammerman, J.W. (2011) Going West: Limitation of Primary Production in the Northern Gulf of Mexico and the Importance of the Atchafalaya River Aquatic Geochemistry, 17, 519-544. DOI 10.1007/s10498-011-9134-3.

Sampere, T.P., Bianchi, T.S., Allison, M.A., McKee, B. (2011) Burial and degradation of organic carbon in Louisiana shelf/slop sediments. Estuarine, Coastal and Shelf Science, 95 (1) 232-244.  doi:10.1016/j.ecss.2011.09.003.

Sampere, T.P., Bianchi, T.S., Allison, M.A. (2011) Historical changes in terrestrially derived organic carbon inputs to Louisiana continental margin sediments over the past 150 years. Journal of Geophysical Research, 116, G01016, doi: 10.1029/2010JG001420.

Shank, G. C., Evans, A. (2011) Distribution and photoreactivitiy of chromophoric dissolved organic mater in northern Gulf of Mexico shelf waters. Continental Shelf Research, 31, 1128-1139.

 Xu, K.H., Harris, C.K., Hetland, R.D., Kaihatu, J. M. (2011) Dispersal of Mississippi and Atchafalaya Sediment on the Texas-Louisiana Shelf: Model Estimates for the Year 1993,Continental Shelf Research, 31, 1558–1575. doi:10.1016/j.csr.2011.05.008.

2010

Bianchi, T.S., DiMarco, S.F., Cowan, Jr., J.H., Hetland, R.D., Chapman, P.,  Day, J.W. Allison, M.A. 2010. The Science of Hypoxia in the Northern Gulf of Mexico: A Review,  Science of the  Total Environment, 408, 1471-1484.

Bianchi, T.S., Allison, M.A., Chapman, P., Cowan. Jr., J.H., Dagg, M.J., Day, J.W., DiMarco, S.F., Hetland, R.D., Powell, R. (2010) New Approaches to the Gulf Hypoxia Problem, EOS Forum, 91 (19) p. 173.

Burchard, H., Hetland, R.D. (2010), Quantifying the contributions of tidal straining and gravitational circulation to residual circulation in periodically stratified tidal estuaries Journal of Physical Oceanography, 40 (6), 1243-1262.

Cole, K.L.,  DiMarco, S.F. (2010) Low-Frequency Variablity of CUrrents in the Deepwater Eastern Gulf of Mexico, Technical Announcement, U.S. Department of the Interioror Mineral Management Service.

DiMarco, S.F, Chapman, P., Walker, N., Hetland, R.D. (2010) Does local topography control hypoxia on the weastern Texas-Louisiana shelf? Journal of Marine Systems, 70, 25-35.

Duan, S., Bianchi T.S., Santschi, P. H. (2010) Effects of tributary inputs and in-channel processes on nutrient export from the Mississippi and Atchafalaya Rivers, Freshwater  and Marine Research, 61, 1029-1038.

Fagot, C. (2010) Low-Frequency Variability of Currents in the Deepwater Eastern Gulf of Mexico. Technical Announcemtn, U.S. Department of the Interior, Minerals Mangemetn Service, Gulf of Mexico OCS Region.

Grace, B., Bianchi, T.S. (2010) Sorption/desorption dynamics of bulk dissolved organic matter and amino acids in the Mississippi River Plume – A microcosm study. Freshwater and Marine Research, 61 (9), 1067-1081.

Hetland, R. D. (2010) Estuarine Overmixing, Journal of Physical Oceanography, 40, 199-211, doi:10.1175/2009JPO4247.1.

Hetland, R.D. (2010) The effects of mixing and spreading on density in near-field river plumes, Dynamics of the Atmosphere and Oceans, doi:10.1016/j.dynatmoce.2008.11.003.

Keul, N., Morse, J.W., Wanninkhof, R., Gledhill, D.K., and T.S. Bianchi, T.S. (2010) Carbonate Chemistry Dynamics of Surface Waters in the Northern Gulf of Mexico, Aquatic Geochem.istry, DOI 10.1007/s10498-010-9091-2.

Zhang, X., Smith,IV, D.C., DiMarco, S.F., Hetland, R.D. (2010) A Numerical Study of Sea-Breeze-Driven Ocean Poincare Wave Propagation and Mixing near the Critical Latitude, Journal of Physical Oceanography, 40, 69-64. DOI: 10.1175/2009JPO4216.1

2009

Bianchi, T.S., Allison, M.A. (2009) Large-River Delta-Front Estuaries as Natural “Recorders” of Global Environmental Change. Proceeding of the National Academy of Sciences,106 (20), 8085-8092.

Bianchi, T.S., DiMarco, S.F., Smith, R.W., Schreiner, K.M. (2009) A Gradient of Dissolved Organic Carbon and Lignin from Terrebonne-Timbalier Bay Estuary to the Louisiana Shelf (USA), Marine Chemistry, 117, 32-41.

Bianchi, T.S., DiMarco, S.F., Cowan Jr., J.H., Hetland, R.D., Chapman, P., Day, J.W., Allison, M.A. (2009) The science of hypoxia in the Northern Gulf of Mexico: A review, Science of the Total Environment. doi:10.1016/j.scitotenv.2009.11.047.

Chen, Fei, MacDonald, D.G., Hetland, R.D. (2009) Lateral spreading of a near-field river plume: Observations and numerical simulations, Journal of Geophysical Resaerch,114, C07013. doi: 10.1029/2008JC004893.

DiMarco, S.F. (2009) U.S. and Chinese Scientists Discuss the Ocean’s Response to Climate Change. Meetings, Climate Change and Coastal Oceans Workshop, Qingdao, China, 26-29 October 2008.

D'Sa, E. J., DiMarco, S.F. (2009) Seasonal variability and controls on chromophoric dissolved organic matter in a large river-dominated coastal margin. Limnology and Oceanography, 54 (6), 2009 2233-2242.

Fisher, E., Burchard, H., Hetland, R.D. (2009) Numerical investigations of the turbulent kinetic energy dissipation rate in the Rhine region of freshwater influence. Ocean Dynamics, doi:10.1007/s10236-009-0187-4.

Mayer, L.M., Schick, L.L., Bianchi, T.S., Wysocki, L.A. (2009) Photochemical changes in chemical markers of sedimentary organic matter source and age. Marine Chemistry, 113, 123-128.

Osterman, L.E., Poore, R.Z., Szwarzenski, P. W., David B. Senn, D.B., DiMarco, S.F. (2009) The 20th-century development and expansion of Louisiana shelf hypoxia, Gulf of Mexico, Geo-Marine Letters,  DOI 10.1007/s00367-009-0158-2.

Wakeham, S.G., Canuel, E.A., Lerberg, E. J., Mason, P., Sampere, T.P., Bianchi, T.S. (2009) Partitioning of organic matter in continental margin sediments among density fractions, Marine Chemistry, 115, 211-225.

Zhang, X., DiMacro, S.F., Smith IV, D.C., Howard, M.K., Jochens, A.E., Hetland, R.D. (2009)  Near-Resonant Ocean Response to Sea Breez on a Stratified Continental Shelf, American Meteorological Society, doi: `10.1175/2009JPO4054.1.

2008

Bianchi, T. S., DiMarco, S.F. (2008) Controlling Hypoxia on the U.S. Louisiana Shelf: Beyond the Nutrient-Centric View, Eos, 89 (2), 24 June 2008.

D'Sa, E. J. (2008) Colored dissolved organic matter in coastal waters influenced by the Atchafalaya River, USA: effects of an algal bloom, Journal of Applied Remote Sensing, 2, 023502.

Hetland, R. D., MacDonald, G.D. (2008) Spreading in the near-field Merrimack River plume, Ocean Modelling, 21, 12-21. doi:10.1016/j.ocemod.2007.11.001.

Hetland, R.D., DiMarco, S.F. (2008) How does the character of oxygen demand control the structure of hypoxia on the Texas-Louisiana continental shelf? Journal of Marine Systems, 70, 49-62.

2007

Dagg, M., Ammerman, J., Amon, R., Gardner, W., Green, R., Lohrenz, S. (2007) Review of water column processes influencing hypoxia in the northern Gulf of Mexico, Estuaries and Coasts, 30, 735-752.

Hetland, R.D., MacDonald, D.G. (2007) Spreading in the near-field Merrimack River plume. Elsevier.

Hetland, R.D., Campbell, L. (2007) Convergent blooms of Karenia brevis along the Texas coast. Geophysical Resaerch Letters, 345, doi:10.1029/2007GL030474.

Justic, D., Bierman, V.J., Scavia, D., Hetland, R.D. (2007) Forecasting Gulfs Hypoxia: The Next 50 Years? Estuaries and Coasts, 30 (5), 791-801.

Rabalais, N. N., Turner, R.E., Sen Gupta, B.K., Boesch, D.F., Chapman, P., Murrell, M.C. (2007) Hypoxia in the northern Gulf of Mexico: Does the science support the plan to reduce, mitigate and control hypoxia? Estuaries and Coasts, 30, 753-772.

Thornton, D.C.O., Fejes, E.M., DiMarco, S.F., Clancy, K.M. (2007) Measurement of acid polysaccharides in marine and freshwater samples using alcian blue.  Limnology and Oceanography Methods, 5, 73-87.