OS51A:
Biogeochemistry and Ecosystems of Tropical Pacific and Upwelling Systems II Posters

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Session ID#: 15047

Session Description:
The tropical Pacific is one of the major high nutrient, low chlorophyll provinces, a site of significant upwelling and the largest oceanic source of CO2 to the atmosphere. The physics and biogeochemistry of the system are perturbed across the broadest possible range of time and space scales by processes including diurnal heating, Kelvin waves, tropical instability waves, ENSO and decadal modes of variability.  This session solicits presentations on biogeochemical processes in the tropical Pacific. Phenomena of interest include but are not limited to: elemental fluxes, primary productivity, ecosystem dynamics including fisheries, export fluxes to the deep ocean and air-sea gas exchange. Submissions from both an observational and modeling perspective are welcome. This session is timely because the tropical Pacific observing system is undergoing a redesign (tpos2020.org). This session might help the community identify important parameters and scales to observe, leading to the next generation of data sets and models.
Primary Convener:  Peter G Strutton, University of Tasmania, Institute for Marine and Antarctic Studies, Hobart, TAS, Australia
Conveners:  Adrienne J Sutton, NOAA Pacific Marine Environmental Laboratory, Seattle, WA, United States; Joint Institute for the Study of the Atmosphere and Ocean, Seattle, WA, United States, Eileen E Hofmann, Old Dominion University, Norfolk, VA, United States and Francisco Werner, NOAA San Diego, San Diego, CA, United States
Chairs:  Francisco Werner, NOAA San Diego, San Diego, CA, United States, Adrienne J Sutton, NOAA Pacific Marine Environmental Laboratory, Seattle, WA, United States; Joint Institute for the Study of the Atmosphere and Ocean, Seattle, WA, United States, Eileen E Hofmann, Old Dominion University, Norfolk, VA, United States and Peter G Strutton, University of Tasmania, Institute for Marine and Antarctic Studies, Hobart, TAS, Australia
OSPA Liaison:  Peter G Strutton, University of Tasmania, Institute for Marine and Antarctic Studies, Hobart, TAS, Australia
Index Terms:

4516 Eastern boundary currents [OCEANOGRAPHY: PHYSICAL]
4522 ENSO [OCEANOGRAPHY: PHYSICAL]
4805 Biogeochemical cycles, processes, and modeling [OCEANOGRAPHY: BIOLOGICAL AND CHEMICAL]
4815 Ecosystems, structure, dynamics, and modeling [OCEANOGRAPHY: BIOLOGICAL AND CHEMICAL]

Abstracts Submitted to this Session:

Trends in the frequency of sea-surface fronts in the California Current System detected by satellite imagery (159767)
Mati Kahru, University of California San Diego, La Jolla, CA, United States and Mark D Ohman, University of California San Diego, Scripps Institution of Oceanography, La Jolla, United States
Climatology and variability of SST frontal activity in Eastern Pacific Ocean over the past decade (135757)
Yuntao Wang, NOAA Washington DC, Washington, DC, United States and Yeping Yuan, Zhejiang University, Ocean College, Zhoushan, China
Ocean Ekman Response to Wind Forcing in Frontal Regions and Implications for Vertical Velocity (136426)
Meghan F Cronin, NOAA Pacific Marine Environmental Laboratory, Seattle, WA, United States and Tomoki Tozuka, University of Tokyo, Bunkyo-ku, Japan
Impacts of ENSO on Air-Sea Oxygen Exchange: Observations and Mechanisms (195640)
Yassir Eddebbar1, Matthew C Long2, Laure Resplandy1, Manfredi Manizza3 and Ralph F Keeling4, (1)Scripps Institution of Oceanography, La Jolla, CA, United States, (2)National Center for Atmospheric Research, Climate and Global Dynamics Laboratory, Boulder, United States, (3)University of California San Diego, Scripps Institution of Oceanography, La Jolla, United States, (4)University of California San Diego, Scripps Institution of Oceanography, La Jolla, CA, United States
Reversal of tropical ocean hypoxia with sustained climate warming (197630)
Weiwei Fu1, James Tremper Randerson2, Jefferson Keith Moore3, Keith T Lindsay4 and Francois Primeau2, (1)University of California Irvine, Department of Earth System Science, Irvine, CA, United States, (2)University of California Irvine, Earth System Science, Irvine, CA, United States, (3)University of California Irvine, Earth System Science, Irvine, United States, (4)National Center for Atmospheric Research, Boulder, CO, United States
Distribution and Magnitude of Dinitrogen Fixation in the Eastern Tropical North Pacific Oxygen Deficient Zone. (152680)
Corday R. Selden1, Margaret R Mullholland1, Brittany Widner2, Peter W Bernhardt1, Alfonso Macías Tapia3 and Amal Jayakumar4, (1)Old Dominion University, Ocean, Earth and Atmospheric Sciences, Norfolk, United States, (2)Old Dominion University, Norfolk, VA, United States, (3)Universidad Autónoma de Baja California, Ensenada, Mexico, (4)Princeton University, Department of Geosciences, Princeton, United States
Interannual Variations in Global Net Carbon Production in the Absence of Fixed Nitrogen: Implication of New Production Supported by Dinitrogen Fixing Microorganisms (133119)
Kitack Lee, Pohang University of Science and Technology, Pohang, South Korea and Young Ho Ko, Pohang Univ Sci Tech, Pohang, South Korea
Regional downscaling of a coupled bio-physical model in the California Current System. (179041)
Raphael Dussin, Rutgers University New Brunswick, New Brunswick, NJ, United States, Enrique N Curchitser, Rutgers University New Brunswick, Department of Environmental Sciences, New Brunswick, NJ, United States and Charles A Stock, NOAA Geophysical Fluid Dynamics Laboratory, Princeton, United States
Contrasting ENSO types with novel satellite derived ocean phytoplankton biomass (167701)
Priya Sharma, University of Pennsylvania, Philadelphia, PA, United States, Awnesh M Singh, USP, Suva, Fiji, Irina Marinov, University of Pennsylvania, Department of Earth and Environmental Science, Philadelphia, United States and Tihomir S Kostadinov, Assistant Researcher, Earth Research Institute, Santa Barbara, United States
Predictability of marine biogeochemistry in the tropical Pacific (152234)
Jong-yeon Park, Princeton University, Princeton, NJ, United States, Charles A Stock, Geophysical Fluid Dynamics Laboratory, Princeton, NJ, United States and John P Dunne, NOAA Geophysical Fluid Dynamics Laboratory, Princeton, United States
Modeling the Impacts of El Nino Events on Nutrients and Productivity in the Northern Humboldt Current System (148391)
Dante Espinoza Morriberon1, Vincent Echevin2, Francois Colas3, Jorge Tam4, Jesus Alejandro Ledesma5 and Luis Vasquez4, (1)Peruvian Institute of Marine Research IMARPE, Callao, Peru, (2)Institut de Recherche pour le Développement (IRD), Paris, France, (3)Univ Pierre and Marie Curie-Paris 6, Paris, France, (4)Instituto del Mar del Perú (IMARPE), Callao, Peru, (5)IMARPE, Callao, Peru
Wind-driven Ocean Circulation and the Spatial-temporal Variability of Dissolved Inorganic Carbon in the Gulf of Tehuantepec, North Eastern Tropical Pacific (178657)
Cecilia Chapa1,2, Emilio Beier3, Reginaldo Durazo1, Jose Martin Martin Hernandez-Ayon4, Simone R Alin5 and Andres Lopez-Perez6, (1)Universidad Autonoma de Baja California, Facultad de Ciencias Marinas, Ensenada, Mexico, (2)Universidad del Mar, Instituto de Recursos, Puerto Ángel, Oaxaca, Mexico, (3)CICESE-Centro de Investigacion Cientifica y de Educacion Superior de Ensenada, Unidad La Paz-Macroecologia, La Paz, BS, Mexico, (4)Universidad Autónoma de Baja California, Instituto de Investigaciones Oceanológicas, Ensenada, Mexico, (5)NOAA PMEL, Seattle, United States, (6)Universidad Autónoma Metropolitana, Departamento de Hidrobiología, Mexico, Mexico
Intensification of tropical Pacific biological productivity due to volcanic eruptions  (192309)
Megumi O. Chikamoto, University of Texas at Austin, Institute for Geophysics, Austin, TX, United States, Axel Timmermann, IPRC, University of Hawaii at Manoa, Honolulu, HI, United States, Masakazu Yoshimori, The University of Tokyo, Atmosphere and Ocean Research Institute, Kashiwa, Japan, Flavio Lehner, National Center for Atmospheric Research, Boulder, CO, United States, Audine Laurian, University of Hawaii at Manoa, Honolulu, HI, United States, Ayako Abe-Ouchi, University of Tokyo, Atmosphere and Ocean Research Institute, Bunkyo-ku, Japan, Anne Mouchet, Université de Liège, Astrophysics, Geophysics and Oceanography Department, Liège, Belgium, Fortunat Joos, University of Bern, Bern, Switzerland, Christoph Raible, University of Bern, Climate and Environmental Physics, Bern, Switzerland and Kim M Cobb, Georgia Institute of Technology, Earth and Atmospheric Sciences, Atlanta, GA, United States
GEOCHEMISTRY OF DISSOLVED TRACE METALS IN THE WATERS OF BAHIA MAGDALENA, BAJA CALIFORNIA SUR, PACIFIC COAST, MEXICO (163950)
Sujitha Suresh Babu, Interdisciplinary Center for Research and Studies on Environment and Development, Ciudad DE México, Mexico
The interannual variability of the Nha Trang upwelling (153941)
Da Nguyen Dac1, Marine Julie Herrmann2, Rosemary Morrow2, Fernando Nino2 and Minh Huan Nguyen3, (1)University Paul Sabatier Toulouse III, Toulouse Cedex 09, France, (2)LEGOS, Observatoire Midi-Pyrénées, Toulouse, France, (3)VNU University of Science, Hanoi, France
Seasonal and inter-annual variation of the Capricorn Eddy, Australia. (137585)
Zhibing Li and Xiaohua Wang, University of New South Wales, Sydney, NSW, Australia
What makes Stellwagen Bank a whale feeding ground? (186676)
Xuemei Zhai1, Glenn Flierl2, Pierre F J Lermusiaux2, Patrick J Haley Jr3 and James J McCarthy1, (1)Harvard University, Cambridge, MA, United States, (2)Massachusetts Institute of Technology, Cambridge, MA, United States, (3)Massachusetts Institute of Technology, Department of Mechanical Engineering, Cambridge, United States
Upwelling changes along the Arabian coast in a warming scenario (138149)
Veluthedathekuzhiyil Praveen1, Ajaya Mohan Ravindran2, Vinu Valsala3 and Sandeep Sukumaran2, (1)New York University Abu Dhabi, Abu Dhabi, United Arab Emirates, (2)New York University Abu Dhabi, Center for Prototype Climate Modeling, Abu Dhabi, United Arab Emirates, (3)Indian Institute of Tropical Meteorology, Pune, India
Coastal upwelling significantly enhances primary production in the southwest East Sea (145686)
Doshik Hahm1, Hyun Cheol Kim2, Chan Joo Jang3, Yong Sun Kim4 and Tae Siek Rhee2, (1)Pusan National University, Department of Oceanography, Busan, Korea, Republic of (South), (2)Korea Polar Research Institute, Incheon, South Korea, (3)Korea Institute of Ocean Science and Technology, Busan, South Korea, (4)Korea Institute of Ocean Science and Technology, Ocean Circulation & Climate Research Department, Busan, South Korea

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