OB015
Linking the biology, geochemistry, and circulation of the Gulf of Mexico

Session ID#: 84432

Session Description:
The Gulf of Mexico is a small, dynamic marginal sea that supports a broad range of oceanographic environments, including eutrophic coastal systems, oligotrophic open ocean waters, hydrocarbon-impacted waters and sediments, and shelf waters that are susceptible to frequent harmful algal blooms. Large atmospheric, riverine, and submarine groundwater fluxes strongly influence the biogeochemistry of near-shore and open ocean waters, yielding a high degree of spatial and temporal variability. Several recent studies have focused on characterizing the biogeochemistry of the Gulf of Mexico using a range of interdisciplinary approaches. Following on a successful 2018 OSM Town Hall led by GEOTRACES and OCB, this session will bring together interested investigators to highlight new results from the Gulf and identify potential areas of common interest and collaborative opportunities to help inform future planning in GEOTRACES, OCB, and other relevant programs. We invite contributions that characterize the variability in the biology, geochemistry, and/or physical oceanography of the Gulf of Mexico, and especially the linkages between them. Suggested contributions may include, but are not limited to descriptions of water column and benthic geochemical distributions, biogeochemical rate measurements, characterizations of molecular ecology, geochemical fluxes, and descriptions of circulation that impact Gulf biogeochemical dynamics.
Index Terms:

4271 Physical and chemical properties of seawater [OCEANOGRAPHY: GENERAL]
4273 Physical and biogeochemical interactions [OCEANOGRAPHY: GENERAL]
4805 Biogeochemical cycles, processes, and modeling [OCEANOGRAPHY: CHEMICAL]
4808 Chemical tracers [OCEANOGRAPHY: CHEMICAL]

Primary Chair:  Angela N Knapp, Florida State University, Tallahassee, FL, United States
Co-chairs:  Alan M Shiller, University of Southern Mississippi, Marine Science, Stennis Space Center, MS, United States, Heather M Benway, Woods Hole Oceanographic Inst., Woods Hole, MA, United States and Juan Carlos Herguera, Center for Scientific Research and Higher Education at Ensenada, Ensenada, Mexico
Primary Liaison:  Angela N Knapp, Florida State University, Tallahassee, FL, United States
 
Quantifying African dust deposition to the Gulf of Mexico (636535)
Christopher T Hayes, University of Southern Mississippi, School of Ocean Science and Engineering, Stennis Space Center, MS, United States
 
A New Characterization of the Upper Waters of the central Gulf of México based on Water Mass Hydrographic and Biogeochemical Characteristics (637481)
Gabriela Cervantes, Autonomous University of Baja California UABC, Instituto de Investigaciones Oceanológicas, Ensenada, BJ, Mexico, Jose Martin Martin Hernandez-Ayon, Universidad Autónoma de Baja California, Instituto de Investigaciones Oceanologicas, Ensenada, BC, BJ, Mexico, Alberto Zirino, University of California, San Diego, Scripps Institution of Oceanography, La Jolla, CA, United States, Sharon Z Herzka, Center for Scientific Research and Higher Education at Ensenada, Biological Oceanography, Ensenada, BJ, Mexico, Victor Froylan Camacho-Ibar, Autonomous University of Baja California, Instituto de Investigaciones Oceanologicas, Ensenada, Mexico, Ivonne Montes, IRD/LEGOS/GEOMAR, Kiel, Germany; Instituto Geofísico del Perú, Lima, Peru, Joël Sudre, LEGOS/CNRS, SYSCO2, Toulouse, France and Juan Delgado, Instituto Tecnologico de Guaymas, Guaymas, SO, Mexico
 
The isotopic composition of water column nitrate in the Gulf of Mexico and Florida Straits (638802)
Angela N Knapp, Florida State University, Tallahassee, FL, United States, Samantha Howe, Florida State University, Earth, Ocean, and Atmospheric Sciences, Tallahassee, FL, United States, Carlos Miranda, Florida State University, FL, United States, Chris T Hayes, University of Southern Mississippi, Stennis Space Center, MS, United States and Robert T Letscher, University of New Hampshire, Earth Sciences, Durham, NH, United States
 
Exploring Deep Nepheloid Layers in Mexican and U.S. Gulf of Mexico Waters, Summers of 2015-2017 (640574)
Wilford D Gardner1, Mary Jo Richardson2, Alexey V Mishonov3, Juan Carlos Herguera4, Misael Diaz Asencio5 and Yéssica Vanessa Contreras Pacheco4, (1)Texas A&M University College Station, College Station, TX, United States, (2)Texas A & M Univ, College Station, TX, United States, (3)Cooperative Institute for Climate and Satellites University of Maryland, College Park, MD, United States, (4)Center for Scientific Research and Higher Education at Ensenada, Ensenada, Mexico, (5)Centro de Estudios Ambientales de Cienfuegos, Cienfuegos, Cuba
 
The influences of winds on Karenia brevis bloom characteristics along the shoreline of southwest coast of Florida (643377)
Yizhen Li, NOAA National Ocean Service, Silver Spring, MD, United States, Richard P Stumpf, NOAA Natl Ocean Service, Silver Spring, MD, United States and Michelle C Tomlinson, NOAA National Ocean Service, National Centers for Coastal Ocean Science, Silver Spring, MD, United States
 
The biogeochemical cycling of Fe and Fe isotopes in the Gulf of Mexico and the Gulf Stream system (643766)
Tim M Conway1, Brent A Summers2, Salvatore Caprara3, Travis Mellett4, Ryan Schlaiss3, Kristen N Buck5, Dreux Chappell6 and Angela N Knapp7, (1)University of South Florida, St. Petersburg, FL, United States, (2)University of South Florida, College of Marine Science, St Petersburg, United States, (3)University of South Florida, College of Marine Science, St Petersburg, FL, United States, (4)University of South Florida, College of Marine Science, St. Petersburg, FL, United States, (5)University of South Florida, College of Marine Science, Saint Petersburg, United States, (6)Old Dominion University, Ocean, Earth and Atmospheric Sciences, Norfolk, VA, United States, (7)Florida State University, Tallahassee, FL, United States
 
Importance of iron-mediated organic matter preservation in northern Gulf of Mexico shelf sediments (643811)
Kanchan Maiti, Louisiana State University, Oceanography and Coastal Sciences, Baton Rouge, LA, United States and Neha A Ghaisas, Louisiana State University, Baton Rouge, LA, United States
 
Phytoplankton community (size fraction and pigment composition) response to environmental drivers in the river-dominated estuarine-coastal systems of the northern Gulf of Mexico from Sentinel-3 OLCI ocean color observations (644008)
Bingqing Liu1, Eurico J. D'Sa1, Kanchan Maiti1, Victor H Rivera-Monroy1 and Z. George Xue2, (1)Louisiana State University, Baton Rouge, LA, United States, (2)Louisiana State University, Oceanography and Coastal Sciences, Baton Rouge, LA, United States
 
Outflow of Gulf of Mexico Waters Below 600 m Through the Western Yucatan Channel Suggested by Biogeochemical Tracers and Hydrography (644118)
Jose Augusto Valencia Gasti, Universidad Autonoma de Baja California, Instituto de Investigaciones Oceanológicas, Ensenada, BJ, Mexico, Victor F Camacho-Ibar, Autonomous University of Baja California- UABC, Instituto de Investigaciones Oceanológicas, Ensenada, Mexico, Martín Hernández Ayón, Autonomous University of Baja California, Instituto de Investigaciones Oceanológicas, Ensenada, BJ, Mexico and Leticia Barbero, Cooperative Institute for Marine and Atmospheric Studies Miami, Miami, FL, United States
 
An examination of niche separation in two primary Trichodesmium clades along the West Florida Shelf (644493)
Kristina Confesor, Heidelberg University, Tiffin, OH, United States, Corday Selden, Old Dominion University, Ocean, Earth and Atmospheric Sciences, Norfolk, United States, Kimberly Powell, Old Dominion University, Ocean, Earth, and Atmospheric Sciences, Norfolk, VA, United States, Angela N Knapp, Florida State University, Tallahassee, FL, United States, Kristen N Buck, University of South Florida, College of Marine Science, Saint Petersburg, United States, Dreux Chappell, Old Dominion University, Ocean, Earth and Atmospheric Sciences, Norfolk, VA, United States and Laura Donahue, Haverford College, Haverford, United States
 
Developing an Operational Sea Turtle Stranding Analysis System to Improve Understanding of Sea Turtle Mortality in the Gulf of Mexico (644919)
Zhankun Wang1,2, Redwood W Nero3, Melissa Cook4, Yee Lau1,2, Kirsten Larsen2 and David E Sallis1,2, (1)Mississippi State University, Northern Gulf Institute, Stennis Space Center, MS, United States, (2)NOAA National Centers for Environmental Information, Stennis Space Center, MS, United States, (3)NOAA Southeast Fisheries Science Center, Stennis Space Center, MS, United States, (4)NOAA Southeast Fisheries Science Center, Pascagoula, MS, United States
 
Does Submarine Groundwater Discharge Play a Role in Seasonal Hypoxia in the Mississippi Sound? (647275)
Amy Moody1, Alan M Shiller1, Troy Pierce2 and Alejandro Almario3, (1)University of Southern Mississippi, Marine Science, Stennis Space Center, MS, United States, (2)Environmental Protection Agency, Gulf of Mexico Division, Gulfport, MS, United States, (3)Environmental Protection Agency Gulf Breeze, Gulf Ecology Division, Gulf Breeze, FL, United States
 
Physical and biogeochemical controls on O2, CO2 and pH in the northern Gulf of Mexico: A synthesis of field research between 2006 and 2018 (647283)
Wei-Jun Cai, University of Delaware, School of Marine Science and Policy, Newark, DE, United States
 
Characterization of dissolved organic matter in the Southern Gulf of Mexico (648255)
Stephanie Mohan1, Rainer M W Amon1, Suzanne Tenison2, Gari Zinsmeyer2, Brittney Daniels2, Anthony Todd2, Karl Kaiser3, Sharon Z Herzka4 and Juan Carlos Herguera5, (1)Texas A&M University at Galveston, Marine Sciences, Galveston, TX, United States, (2)Texas A&M University at Galveston, Galveston, United States, (3)Texas A&M University at Galveston, Marine Sciences, Galveston, United States, (4)Center for Scientific Research and Higher Education at Ensenada, Biological Oceanography, Ensenada, BJ, Mexico, (5)Center for Scientific Research and Higher Education at Ensenada, Ensenada, Mexico
 
Relationships between Respiration Rates of Marine Microbial Communities and Physical Oceanographic Conditions of Gulf of Mexico (GM) (648541)
Diana Rodriguez, Universidad Autónoma de Baja California, Facultad de Ciencias Marinas, Ensenada, BJ, Mexico, Josue Villegas-Mendoza, Autonomous University of Baja California, Marine Science Faculty, Ensenada, BJ, Mexico, Mary Carmen Ruiz-de la Torre, Autonomous University of Baja California, Marine Science Faculty, Mexicali, BJ, Mexico and Eliana Gómez-Ocampo, Centro de Investigación Científica y Educación Superior de Ensenada, CICESE, Ecologia Marina, Ensenada, BJ, Mexico
 
Pico-Phytoplankton Dynamics during Contrasting Seasonal Conditions in Two Regions of Gulf of Mexico (648750)
Lorena Linacre, Ruben Lara Lara, Uriel Mirabal-Gómez and Carmen Bazán-Guzmán, Center for Scientific Research and Higher Education at Ensenada, Ensenada, BJ, Mexico
 
Elemental and isotopic composition of particular organic carbon and nitrogen in the Gulf of México (649808)
Yéssica Vanessa Contreras Pacheco1, Juan Carlos Herguera1, Sharon Z Herzka2, Doreny Bobadilla3, María Reyna Barradas3 and Gerardo Quintanilla4, (1)Center for Scientific Research and Higher Education at Ensenada, Ensenada, Mexico, (2)Center for Scientific Research and Higher Education at Ensenada, Biological Oceanography, Ensenada, BJ, Mexico, (3)Center for Scientific Research and Higher Education at Ensenada, BJ, Mexico, (4)Center for Scientific Research and Higher Education at Ensenada, Ensenada, BJ, Mexico
 
Early Diagenesis in Hypoxic Zones of the Northern Gulf of Mexico: a Disconnection Between Water Column and Sediment Reactivities (650421)
Christophe Rabouille1, Bruno Lansard2, Shannon Owings3, Bruno Bombled2, Edouard Metzger4, Laurie Bréthous5, Eryn Melissa Eitel6, Jordon Scott Beckler7 and Martial Taillefert8, (1)CEA Saclay DSM / LSCE, Gif sur Yvette, France, (2)Laboratoire des Sciences du Climat et de l'Environnement, UMR CEA-CNRS-UVSQ et IPSL, Gif sur Yvette, France, (3)Georgia Institute of Technology, United States, (4)LPG-BIAF Univ Angers, France, (5)Laboratoire des Sciences du Climat et de l'Environnement, UMR CEA-CNRS-UVSQ et IPSL, Gif-Sur-Yvette Cedex, France, (6)California Institute of Technology, Division of Geological and Planetary Sciences, Pasadena, GA, United States, (7)Florida Atlantic University, Harbor Branch Oceanographic Institute, Boca Raton, FL, United States, (8)Georgia Institute of Technology, School of Earth and Atmospheric Sciences, Atlanta, GA, United States
 
Slope currents in the Northeastern Gulf of Mexico (651185)
Cathrine Hancock, Florida State University, Tallahassee, FL, United States, Kevin Speer, Geophysical Fluid Dynamics Institute, Tallahassee, FL, United States, Joao Marcos Azevedo Correia de Souza, New Zealand Meteorological Service (MetService), MetOcean Division, Raglan, New Zealand and Steven L Morey, Florida Agricultural and Mechanical University, School of the Environment, Tallahassee, FL, United States
 
Sensitivity of satellite-derived zooplankton grazing rates and biomass to input parameters (651729)
Nazanin Chaichitehrani1, Victoria Coles2, Taylor Shropshire3, Michael R Stukel4 and Greg Silsbe1, (1)University of Maryland Center for Environmental Science Horn Point Laboratory, Cambridge, United States, (2)University of Maryland Center for Environmental Science, Horn Point Laboratory, Cambridge, MD, United States, (3)Florida State University, Tallahassee, United States, (4)Florida State University, Earth, Ocean and Atmospheric Science, Tallahassee, FL, United States
 
Correlated dissolved organic nitrogen and dissolved iron concentrations on the West Florida Shelf: signatures of submarine groundwater discharge and Trichodesmium thiebautii (651976)
Dreux Chappell1, Kristen N Buck2, Corday Selden3, Salvatore Caprara4, Brent A Summers5, Travis Mellett4, Kristina Confesor6, Kimberly Powell7, Laura Donahue8, Rene M. Boiteau9, Tim M Conway10, Matthew A Charette11, Joseph Tamborski11, Amy M McKenna12 and Angela N Knapp13, (1)Old Dominion University, Ocean, Earth and Atmospheric Sciences, Norfolk, VA, United States, (2)University of South Florida, College of Marine Science, Saint Petersburg, United States, (3)Cuernavaca, Mexico, (4)University of South Florida, College of Marine Science, St Petersburg, FL, United States, (5)University of South Florida, College of Marine Science, St Petersburg, United States, (6)Heidelberg University, Tiffin, OH, United States, (7)Old Dominion University, Ocean, Earth & Atmospheric Sciences, Norfolk, VA, United States, (8)Haverford College, Haverford, United States, (9)Pacific Northwest National Laboratory, Richland, WA, United States, (10)University of South Florida, College of Marine Science and School of Geosciences, St. Petersburg, FL, United States, (11)Woods Hole Oceanographic Institution, Marine Chemistry & Geochemistry, Woods Hole, MA, United States, (12)National High Magnetic Field Laboratory, FT-ICR MS Facility, Tallahassee, FL, United States, (13)Florida State University, Tallahassee, FL, United States
 
Mesoscale Drives Inorganic Nutrient Dynamics in Two Areas of the Mexican Off-Shore of the Gulf of Mexico (652183)
Cristian Hakspiel, Autonomous University of Baja California, Instituto de Investigaciones Oceanologicas, Enesenada, BJ, Mexico, Victor Camacho, Universidad Nacional Autonoma de Mexico, Environmental geosciences, Ensenada, BJ, Mexico and Augusto Valencia, Autonomous University of Baja California, Instituto de Investigaciones Oceanologicas, Ensenada, BJ, Mexico
 
Spatio-temporal Patterns of Chlorophyll-a in a Wide and Low-relief Shelf Sea of the Gulf of Mexico: Insights of Inter-annual Climatic Forcing on the Phytoplankton Biomass Varying Behavior (652206)
Israel Medina1, Miguel Cahuich2, Ana Aguilar2, Giuliana Cruz2, Myriam Juárez1, Ismael Marino-Tapia3, Jorge Herrera-Silveira4 and Cecilia Enriquez5, (1)CINVESTAV-IPN, Recursos del Mar - Primary production Laboratory, Merida, YC, Mexico, (2)CINVESTAV-IPN, YC, Mexico, (3)Center for Research and Advanced Studies, Marine Resources Department, Merida, YC, Mexico, (4)Centro de Investigacion y de Estudios Avanzados, Unidad Merida, Merida, Yucatan, YC, Mexico, (5)Universidad Nacional Autónoma de México, Facultad de Ciencias, Sisal, YC, Mexico
 
Environmental vulnerability and risk assessment of the marine ecosystem of the Gulf of Mexico and the Caribbean Sea to oil spills (652639)
Luz Erandi Saldaña-Ruiz1, Paula Perez-Brunius2,3, Oscar Sosa-Nishizaki4, Zurisaday Ramírez-Mendoza1, Arturo Fajardo-Yamamoto1, María Concepción García-Aguilar1, Mario Rafael Ramírez-León1, Alfonsina Eugenia Romo-Curiel1, Konstantinos Kotzakoulakis2, Javier Rodriguez Outerelo3, Josefina Olascoaga5, Francisco J Beron-Vera6, Philippe Miron6, Julien Jouanno7 and Julio Sheinbaum2, (1)Center for Scientific Research and Higher Education at Ensenada, Department of Biological Oceanography, Ensenada, BJ, Mexico, (2)CICESE, Physical Oceanography, Ensenada, BJ, Mexico, (3)Center for Scientific Research and Higher Education at Ensenada, Physical Oceanography, Ensenada, BJ, Mexico, (4)CICESE, Biological Oceanography, Ensenada, BJ, Mexico, (5)University of Miami, Rosenstiel School of Marine and Atmospheric Science, Miami, FL, United States, (6)University of Miami, Miami, FL, United States, (7)Observatory Midi-Pyrenees, Toulouse, France
 
Connectivity and Larval Dispersal Pathways of Panulirus argus in the Gulf of Mexico: A Numerical Study (653162)
Julio Antonio Lara Hernández1, Jorge Zavala-Hidalgo2, Patricia Briones-Fourzán3 and Laura Sanvicente Añorve1, (1)Universidad Nacional Autonoma de Mexico, Mexico City, DF, Mexico, (2)Centro de Ciencias de la Atmosfera, Universidad Nacional Autonoma de Mexico, Grupo de Interacción Océano-Atmósfera, Mexico City, DF, Mexico, (3)Universidad Nacional Autonoma de Mexico, Mexico City, QR, Mexico
 
A gulf-wide isoscape of zooplankton δ15N values reflects regional importance of NO3 and N2 fixation as sources of new N in the Gulf of Mexico (653432)
Oscar Hernández1, Sharon Z Herzka2, Victor Froylan Camacho-Ibar3, Jesus C Compaire1, Meliza Le-Alvarado1 and Leticia Barbero4, (1)CICESE, Biological Oceanography, Ensenada, BJ, Mexico, (2)Center for Scientific Research and Higher Education at Ensenada, Biological Oceanography, Ensenada, BJ, Mexico, (3)Autonomous University of Baja California, Instituto de Investigaciones Oceanologicas, Ensenada, Mexico, (4)NOAA Atlantic Oceanographic and Meteorological Laboratory, Ocean Chemistry and Ecosystems Division, Miami, FL, United States
 
ADCP's on gliders: features and applications. (653665)
Miguel Costa Tenreiro1, Enric Pallas Sanz1, Marco Julio Ulloa2, Jose Ochoa3, Thomas Meunier4, Angel Ruiz Angulo5, Julio Sheinbaum4, Julio Candela6, Simó Cusí7 and Sebastian Cisneros4, (1)Center for Scientific Research and Higher Education at Ensenada, Physical Oceanography, Ensenada, BJ, Mexico, (2)Instituto Politécnico Nacional, CICATA, Altamira, TM, Mexico, (3)CICESE, Ensenada, Baja Calif, Mexico, (4)CICESE, Physical Oceanography, Ensenada, BJ, Mexico, (5)Icelandic Meteorological Office, Reykjavik, Iceland, (6)Centro de Investigación Científica y de Educación Superior de Ensenada, Ensenada, BJ, Mexico, (7)Center for Scientific Research and Higher Education at Ensenada, Ensenada, BJ, Mexico
 
Identification of cetacean hotspots in the Gulf of Mexico based on niche models (653717)
Mario Rafael Ramírez-León1, María Concepción García-Aguilar2, Oscar Sosa-Nishizaki3, Alfonsina Eugenia Romo-Curiel2, Zurisaday Ramírez-Mendoza2 and Arturo Fajardo-Yamamoto2, (1)Center for Scientific Research and Higher Education at Ensenada, Biological Oceanography, Ensenada, BJ, Mexico, (2)Center for Scientific Research and Higher Education at Ensenada, Department of Biological Oceanography, Ensenada, BJ, Mexico, (3)CICESE, Biological Oceanography, Ensenada, BJ, Mexico
 
Tracing the dispersion of the Coatzacoalcos river plume in the Gulf of Mexico: a numerical experiment (653742)
Angel Ruiz Angulo, Icelandic Meteorological Office, Reykjavik, Iceland, Josué Martínez Moreno Sr, Australian National University, Research School of Earth Sciences, Canberra, ACT, Australia, Karina Ramos-Musalem, University of British Columbia, Earth, Ocean and Atmospheric Sciences, Vancouver, BC, Canada, Erick Raul Olvera-Prado, Universidad Nacional Autonoma de Mexico, Centro de Ciencias de la Atmosfera, Mexico City, DF, Mexico and Jorge Zavala-Hidalgo, Univ Nacional Autonoma Mexico, Mexico City, EM, Mexico; Centro de Ciencias de la Atmosfera, Universidad Nacional Autonoma de Mexico, Grupo de Interacción Océano-Atmósfera, Mexico City, DF, Mexico
 
Phytoplankton nutrient uptake, size structure and biomass distribution in the spawning region of Atlantic Bluefin Tuna in the oligotrophic Gulf of Mexico (653908)
Natalie Yingling1, Thomas Bryce Kelly2, Taylor Shropshire1, Karen E Selph3, Michael R Landry4, Angela N Knapp5, Sven Alexander Kranz6 and Michael R Stukel5, (1)Florida State University, Tallahassee, United States, (2)Florida State University, Earth, Ocean, and Atmospheric Science, Tallahassee, FL, United States, (3)University of Hawaii at Manoa, Oceanography, Honolulu, HI, United States, (4)Scripps Inst Oceanography, La Jolla, CA, United States, (5)Florida State University, Tallahassee, FL, United States, (6)Florida State University, Earth, Ocean and Atmospheric Science, Tallahassee, FL, United States
 
How Did Hurricane Harvey Affect Oxygen and Nutrient Dynamics over the Texas Shelf? (654080)
Piers Chapman, Texas A&M University College Station, Oceanography, College Station, TX, United States, Steven Francis DiMarco, Geochemical and Environmental Research Group (GERG), College Station, TX, United States, Anthony Hayden Knap, Texas A&M University College Station, College Station, TX, United States and Henry Potter, Texas A&M University, Department of Oceanography, College Station, TX, United States
 
Novel insights into deep ventilation of the Gulf of Mexico and its linkage to the Labrador Sea (654380)
Rainer M W Amon1, Jose Ochoa2, Julio Candela3, Julio Sheinbaum4, Juan Carlos Herguera5, Sharon Z Herzka6, Paula Perez-Brunius4, Jose Martin Martín Hernandez-Ayon7, Victor F Camacho-Ibar8 and Robert M Key9, (1)Texas A&M University at Galveston, Marine Sciences, Galveston, TX, United States, (2)CICESE, Ensenada, Baja Calif, Mexico, (3)Centro de Investigación Científica y de Educación Superior de Ensenada, Ensenada, BJ, Mexico, (4)CICESE, Physical Oceanography, Ensenada, BJ, Mexico, (5)Center for Scientific Research and Higher Education at Ensenada, Ensenada, Mexico, (6)Center for Scientific Research and Higher Education at Ensenada, Biological Oceanography, Ensenada, BJ, Mexico, (7)Autonomous University of Baja California UABC, Instituto de Investigaciones Oceanológicas, Ensenada, BJ, Mexico, (8)Autonomous University of Baja California- UABC, Instituto de Investigaciones Oceanológicas, Ensenada, Mexico, (9)Princeton Univ, Princeton, NJ, United States
 
Multi-Element Dissolved Trace Metal Distributions in Surface Waters of the Texas-Louisiana Shelf: A Synthesis From Three Cruises 2017-2019 Showing the Influence of Rivers, Hurricanes, Sediments, and Biology (654709)
Hannah Adams1, Laramie Jensen1, Brett Farran1,2, Nathan Timothy Lanning3 and Jessica N Fitzsimmons4, (1)Texas A&M University College Station, Oceanography, College Station, TX, United States, (2)Florida State University, Tallahassee, FL, United States, (3)Texas A&M University College Station, College Station, TX, United States, (4)Texas A&M University, Oceanography, College Station, TX, United States
 
Loop Current Entrainment and Advection of Phytoplankton from the Yucatan Shelf into the Southern Gulf of Mexico (655036)
Katharine Weathers, Northern Gulf Institute, Mississippi State University / NOAA NCEI, Stennis Center, MS, United States and Jeremy David Wiggert, The University of Southern Mississippi, Division of Marine Science, Stennis Space Center, MS, United States
 
Local boundaries of bottom hypoxia (655071)
Veronica Ruiz Xomchuk, Texas A&M University College Station, College Station, TX, United States and Robert D Hetland, Texas A&M University, College Station, TX, United States
 
Gliders observations of mesoscale and submesoscale flow structures in the Gulf of Mexico: over three years of continuous monitoring. (655155)
Enric Pallas Sanz1, Miguel Costa Tenreiro2, Thomas Meunier2, Esther Portela3, Elva Rosmery Sosa Gutiérrez4, Marco Julio Ulloa5, Jose Ochoa6, Angel Ruiz Angulo7, Simó Cusí8, Eliot Aranda9 and Adrián Villicaña9, (1)Centro de Investigación Científica y de Educación Superior de Ensenada, San Diego, CA, United States, (2)Center for Scientific Research and Higher Education at Ensenada, Physical Oceanography, Ensenada, BJ, Mexico, (3)IFREMER, Plouzané, France, (4)Centro de Investigación Científica y de Educación Superior de Ensenada (CICESE), Physical Oceanography, Ensenada, Mexico, (5)Instituto Politécnico Nacional, CICATA, Altamira, TM, Mexico, (6)CICESE, Ensenada, Baja Calif, Mexico, (7)Icelandic Meteorological Office, Reykjavik, Iceland, (8)Center for Scientific Research and Higher Education at Ensenada, Ensenada, BJ, Mexico, (9)Centro de Investigación y Educación Superior de Ensenada (CICESE), BJ, Mexico
 
Blue Hole Biogeochemistry in the Greater Gulf of Mexico Context (655391)
Andrew Stancil, Florida Atlantic Univeristy, Fort Pierce, FL, United States, Martial Taillefert, Georgia Institute of Technology, School of Earth and Atmospheric Sciences, Atlanta, GA, United States, Jim Culter, Mote Marine Lab, United States, Emily R Hall, Mote Marine Laboratory, Sarasota, FL, United States, Nastassia Patin, Georgia Institute of Technology Main Campus, School of Biological Sciences, Atlanta, GA, United States, Frank J Stewart, Georgia Institute of Technology, Atlanta, GA, United States, Christopher G. Smith, U.S Geological Survey, Coastal and Marine Science Center, Saint Petersburg, FL, United States, Matthew Quinan, Harbor Branch Oceanographic Institute, United States and Jordon Scott Beckler, Florida Atlantic University, Harbor Branch Oceanographic Institute, Boca Raton, FL, United States
 
Do Sediment Iron Concentrations Affect the Rate of Hydrocarbon Degradation? (655445)
Matthew Quinan, Harbor Branch Oceanographic Institute, United States, Michael Martinez-Colon, Florida A&M, United States, Christoph Aeppli, Bigelow Lab for Ocean Sciences, East Boothbay, ME, United States and Jordon Scott Beckler, Florida Atlantic University, Harbor Branch Oceanographic Institute, Boca Raton, FL, United States
 
Characterizing the Potential Habitat of Ichthyoplankton in the Gulf of Mexico for Species with Contrasting Life Histories (655790)
Gonzalo Dauden-Bengoa1, Laura Del Pilar Echeverri García1, Sylvia Patricia Adlheid Jiménez-Rosenberg2, Uriel Ordónez López3, Maria Ana Fernández Álamo4 and Sharon Z Herzka1, (1)Center for Scientific Research and Higher Education at Ensenada, Biological Oceanography, Ensenada, BJ, Mexico, (2)National Polytechnic Institute of Mexico, Centro Interdisciplinario de Ciencias Marinas, La Paz, BS, Mexico, (3)Center for Research and Advanced Studies, Mérida, YC, Mexico, (4)National Autonomous University of Mexico, Ciudad de México, EM, Mexico
 
Distribution of yellowfin tuna (Thunnus albacares) in the southern Gulf of Mexico based on ecological niche models and pop-up satellite archival tags. (655866)
Zurisaday Ramírez-Mendoza1, Oscar Sosa-Nishizaki2, Arturo Fajardo-Yamamoto1, Alfonsina Eugenia Romo-Curiel1, María Concepción García-Aguilar1 and Mario Rafael Ramírez-León3, (1)Center for Scientific Research and Higher Education at Ensenada, Department of Biological Oceanography, Ensenada, BJ, Mexico, (2)CICESE, Biological Oceanography, Ensenada, BJ, Mexico, (3)Center for Scientific Research and Higher Education at Ensenada, Biological Oceanography, Ensenada, BJ, Mexico
 
Effect of Sediment Inputs from the Mississippi River on Diagenetic Processes Across the Northeastern Gulf of Mexico Continental Margin (655886)
Shannon Marie Owings1, Laurie Bréthous2, Eryn Melissa Eitel3, Benjamin P Fields4, Anthony Boever4, Jordon Scott Beckler5, Edouard Metzger6, Bruno Bombled7, Julien Richirt8, Bruno Lansard7, Christophe Rabouille7 and Martial Taillefert4, (1)Georgia Institue of Technology, School of Earth and Atmospheric Sciences, Atlanta, GA, United States, (2)Laboratoire des Sciences du Climat et de l'Environnement, UMR CEA-CNRS-UVSQ et IPSL, Gif-Sur-Yvette Cedex, France, (3)California Institute of Technology, Division of Geological and Planetary Sciences, Pasadena, GA, United States, (4)Georgia Institute of Technology, School of Earth and Atmospheric Sciences, Atlanta, GA, United States, (5)Florida Atlantic University, Harbor Branch Oceanographic Institute, Boca Raton, FL, United States, (6)LPG-BIAF Univ Angers, France, (7)Laboratoire des Sciences du Climat et de l'Environnement, UMR CEA-CNRS-UVSQ et IPSL, Gif sur Yvette, France, (8)LPG-BIAF Univ Angers, Angers, France
 
Phytoplankton dynamics in the Gulf of Mexico: A satellite perspective (656022)
Greg Silsbe1, Nazanin Chaichitehrani1 and Victoria Coles2, (1)University of Maryland Center for Environmental Science Horn Point Laboratory, Cambridge, United States, (2)University of Maryland Center for Environmental Science, Horn Point Laboratory, Cambridge, MD, United States
 
A Decadal Study of Ocean Acidification Conditions in Coastal Waters of the Gulf of Mexico (656088)
Leticia Barbero1,2, Denis Pierrot1,2 and Richard H Wanninkhof1, (1)NOAA Atlantic Oceanographic and Meteorological Laboratory, Ocean Chemistry and Ecosystems Division, Miami, FL, United States, (2)University of Miami, Cooperative Institute for Marine and Atmospheric Studies, Miami, FL, United States
 
Effect of Mesoscale Eddies on the Vertical Distribution of Dissolved Inorganic Nutrients in Open Waters of the Gulf of Mexico during a Warm and a Cold Season (656196)
Erika Lee1, Victor F Camacho-Ibar2, Jorge Velasquez1 and Augusto Valencia3, (1)Universidad Autónoma de Baja California, Facultad de Ciencias Marinas, Ensenada, BJ, Mexico, (2)Autonomous University of Baja California- UABC, Instituto de Investigaciones Oceanológicas, Ensenada, Mexico, (3)Autonomous University of Baja California, Instituto de Investigaciones Oceanologicas, Ensenada, BJ, Mexico
 
Control of Mesoscale Eddies on the Vertical Nitrate Distribution and the Nitracline Shape and Depth in Open Ocean Waters of the Gulf of Mexico (656198)
Jorge Velasquez1, Victor F Camacho-Ibar2, Erika Lee1, Augusto Valencia3 and Armando Trasviña-Castro4, (1)Universidad Autónoma de Baja California, Facultad de Ciencias Marinas, Ensenada, BJ, Mexico, (2)Autonomous University of Baja California- UABC, Instituto de Investigaciones Oceanológicas, Ensenada, Mexico, (3)Autonomous University of Baja California, Instituto de Investigaciones Oceanologicas, Ensenada, BJ, Mexico, (4)CICESE, La Paz, BAJ, Mexico
 
Effect of Caribbean Water Incursion into the Gulf of Mexico derived from Absolute Dynamic Topography, Satellite Data, and Remotely – sensed Chlorophyll-a (656420)
Juan Delgado, Universidad Autonoma de Baja California, Instituto de Investigaciones Oceanologicas, Ensenada, SO, Mexico, Joël Sudre, LEGOS/CNRS, SYSCO2, Toulouse, France, Sorayda Tanahara, Universidad Autonoma de Baja California, Ensenada, BJ, Mexico, Ivonne Montes, Instituto Geofísico del Perú, Lima, Peru, Jose Martin Martin Hernandez-Ayon, Universidad Autónoma de Baja California, Instituto de Investigaciones Oceanologicas, Ensenada, BC, BJ, Mexico and Alberto Zirino, University of California, San Diego, Scripps Institution of Oceanography, La Jolla, CA, United States
 
Inorganic Nutrients in the Deep Water Region of the Gulf of Mexico: What Have we Learnt from a Baseline Study of the CIGoM Project. (656466)
Victor Froylan Camacho-Ibar1, Augusto Valencia2, Cristian Hakspiel3, Jorge Velasquez4, Carmen Avila-Lopez5, Mauricio Muñoz-Anderson1 and Erika Lee4, (1)Universidad Autónoma de Baja California, Instituto de Investigaciones Oceanológicas, Ensenada, BJ, Mexico, (2)Autonomous University of Baja California, Instituto de Investigaciones Oceanologicas, Ensenada, BJ, Mexico, (3)Autonomous University of Baja California, Instituto de Investigaciones Oceanologicas, Enesenada, BJ, Mexico, (4)Universidad Autónoma de Baja California, Facultad de Ciencias Marinas, Ensenada, BJ, Mexico, (5)Autonomous University of Baja California, Instituto de Investigaciones Oceanologicas, Ensenada, Mexico
 
Seasonal Variability of the Alongshore Flow over the Continental Slope and Shelf of the Western Gulf of Mexico (656489)
Georgina Rojo de Anda, Center for Scientific Research and Higher Education at Ensenada, Ensenada, BJ, Mexico, Paula Perez-Brunius, CICESE, Physical Oceanography, Ensenada, BJ, Mexico, Sharon Z Herzka, Center for Scientific Research and Higher Education at Ensenada, Biological Oceanography, Ensenada, BJ, Mexico, Manuel Lopez, CICESE, San Diego, CA, United States and Enric Pallas Sanz, Center for Scientific Research and Higher Education at Ensenada, Physical Oceanography, Ensenada, BJ, Mexico
 
Physical and Biogeochemical Controls of Dissolved Oxygen Concentration Patterns in the Gulf of Mexico Deep Waters (656788)
Juan Carlos Herguera, Centro de Investigación Científica y de Educación Superior de Ensenada, Oceanology, Ensenada, BJ, Mexico, Gerardo Quintanilla, Center for Scientific Research and Higher Education at Ensenada, Ensenada, BJ, Mexico, Yéssica Vanessa Contreras Pacheco, Center for Scientific Research and Higher Education at Ensenada, Ensenada, Mexico and Vicente Ferreira-Bartrina, CICESE National Center for Scientific Research and Higher Education of Mexico, Ensenada, Mexico
 
Biogeochemical Impacts of Altered Freshwater Flow to the Mississippi Sound (657199)
Kevin Dillon, University of Southern Mississippi, Coastal Sciences, Ocean Springs, MS, United States, Scott P Milroy, The University of Southern Mississippi, Marine Science, Stennis Space Center, MS, United States and Alan M Shiller, University of Southern Mississippi, Marine Science, Stennis Space Center, MS, United States
 
Groundwater Discharge to a River Delta Driven by the Mississippi River Stage (657338)
Jaye Ellen Cable1, Jihyuk Kim1, Katherine Telfeyan2, Karen Haley Johannesson3 and Alexander Kolker4, (1)University of North Carolina at Chapel Hill, Marine Sciences, Chapel Hill, NC, United States, (2)Los Alamos National Laboratory, New Orleans, LA, United States, (3)Tulane Univ Earth&Environ Sci, New Orleans, LA, United States, (4)LUMCON, Chauvin, LA, United States
 
13C Suess Effect in the Gulf of Mexico Deep Waters (657425)
Gerardo Quintanilla, Center for Scientific Research and Higher Education at Ensenada, Ensenada, BJ, Mexico and Juan Carlos Herguera, Center for Scientific Research and Higher Education at Ensenada, Ensenada, Mexico
 
The Carbonate System in the Yucatan Platform in the Gulf of México (657807)
Linda Barranco-Servin, Autonomous University of Baja California UABC, Instituto de Investigaciones Oceanológicas, Ensenada, Mexico, Jose Martin Martin Hernandez-Ayon, Universidad Autónoma de Baja California, Instituto de Investigaciones Oceanologicas, Ensenada, BC, BJ, Mexico, Jorge Herrera-Silveira, Centro de Investigacion y de Estudios Avanzados, Unidad Merida, Merida, Yucatan, YC, Mexico, Daniel Pech, El Colegio de la Frontera Sur, Laboratorio de Biodiversidad Marina y Cambio Climático, Campeche, CP, Mexico, Ismael Marino-Tapia, Center for Research and Advanced Studies, Marine Resources Department, Merida, YC, Mexico and Juan Carlos Herguera, Center for Scientific Research and Higher Education at Ensenada, Ensenada, Mexico
 
Increase of Caribbean Water Incursion into the Gulf of Mexico: The Need in Biochemistry Studies of a New Characterization of the Upper Waters of the central Gulf of México (657913)
Jose Martin Martin Hernandez-Ayon, Universidad Autónoma de Baja California, Instituto de Investigaciones Oceanologicas, Ensenada, BC, BJ, Mexico, Juan Delgado, Instituto Tecnologico de Guaymas, Guaymas, SO, Mexico, Gabriela Cervantes, Autonomous University of Baja California UABC, Instituto de Investigaciones Oceanológicas, Ensenada, BJ, Mexico, Sorayda Tanahara, Universidad Autonoma de Baja California, Ensenada, BJ, Mexico, Ivonne Montes, IRD/LEGOS/GEOMAR, Kiel, Germany, Joël Sudre, LEGOS/CNRS, SYSCO2, Toulouse, France, Sharon Z Herzka, Center for Scientific Research and Higher Education at Ensenada, Biological Oceanography, Ensenada, BJ, Mexico and Victor F Camacho-Ibar, Autonomous University of Baja California- UABC, Instituto de Investigaciones Oceanológicas, Ensenada, Mexico
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