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Yang,Q., H. Tian, X. Li, W. Ren, B. Zhang, X. Zhang, and J. Wolf. (2016), Spatiotemporal patterns of livestock manure nutrient production in the conterminous United States from 1930 to 2012. Science of the Total Environment, 541, 1592-1602. doi: 10.1016/j.scitotenv.2015.10.044

Xue, J., W.-J. Cai, X. Hu, W.-J. Huang, S. E. Lohrenz, and K. Gundersen (2015), Temporal variation and stoichiometric ratios of organic matter remineralization in bottom waters of the northern Gulf of Mexico during late spring and summer, Journal of Geophysical Research: Oceans, 120(12), 8304-8326, doi:10.1002/2015JC011453.

Huang, W. J., W. J. Cai, Y. Wang, X. Hu, B. Chen, S. E. Lohrenz, S. Chakraborty, R. He, J. Brandes, and C. S. Hopkinson (2015), The response of inorganic carbon distributions and dynamics to upwelling-favorable winds on the northern Gulf of Mexico during summer, Continental Shelf Research, 111, Part B, 211-222, http://dx.doi.org/10.1016/j.csr.2015.08.020

Yang, J., H. Tian, B. Tao, W. Ren, S. Pan, Y. Liu, and Y. Wang (2015), A growing importance of large fires in conterminous United States during 1984-2012, J. Geophys. Res. Biogeosci., 120, 2625- 2640, doi: 10.1002/2015JG002965

Tian, H., W. Ren, J. Yang, B. Tao, W-J. Cai, S.E. Lohrenz, C.S. Hopkinson, M. Liu, Q. Yang, C. Lu, B. Zhang, K. Banger, S. Pan, R. He, and Z. Xue (2015), Climate extremes dominating seasonal and interannual variations in carbon export from the Mississippi River Basin, Global Biogeochem. Cycles, 29, doi: 10.1002/2014GB005068

Chakraborty, S., S. E. Lohrenz (2015), Phytoplankton community structure in the river-influenced continental margin of the northern Gulf of Mexico. Marine Ecology Progress Series 521:31-47, doi: 10.3354/meps11107

Huang, W.-J., W.-J. Cai, Y. Wang, S. E. Lohrenz, and M. C. Murrell (2015), The carbon dioxide (CO2) system on the Mississippi River-dominated continental shelf in the northern Gulf of Mexico: 1. Distribution and air-sea CO2 flux. Journal of Geophysical Research: Oceans 120:1429-1445, doi: 10.1002/2014JC010498

Ren, W., H. Tian, B. Tao, J. Yang, S. Pan, W.-J. Cai, S. E. Lohrenz, R. He, and C. S. Hopkinson (2015), Large increase in dissolved inorganic carbon flux from the Mississippi River to Gulf of Mexico due to climatic and anthropogenic changes over the 21st century, J. Geophys. Res. Biogeosci., 120, doi: 10.1002/2014JG002761

Tian, H., Q. Yang, R. G. Najjar, W. Ren, M. Friedrichs, C. S. Hopkinson, and S. Pan (2015), Anthropogenic and climatic influences on carbon fluxes from eastern North America to the Atlantic Ocean: A process-based modeling study, J. Geophys. Res. Biogeosci.,120, doi: 10.1002/2014JG002760

Fichot, C. G., S. E. Lohrenz, and R. Benner (2014), Pulsed, cross-shelf export of terrigenous dissolved organic carbon to the Gulf of Mexico, Journal of Geophysical Research: Oceans, 119(2), 1176-1194.

Tao, B., H. Tian, W. Ren, J. Yang, Q. Yang, R. He, W. Cai, and S. Lohrenz (2014), Increasing Mississippi river discharge throughout the 21st century influenced by changes in climate, land use, and atmospheric CO2, Geophysical Research Letters, 41(14), 4978-4986.

Xue, Z., R. He, K. Fennel, W.-J. Cai, S. Lohrenz, W.-J. Huang, and H. Tian (2014), Modeling pCO_2 variability in the Gulf of Mexico, Biogeosciences Discussions, 11(8), 12673-12695.

Huang W-J, Cai W-J, Castelao RM, Wang Y, Lohrenz SE (2013) Impacts of a wind-driven cross-shelf large river plume on biological production and CO2 uptake in the Gulf of Mexico during spring. Limnology and Oceanography. doi:10.4319/lo.2013.58.5.1727.

Xue, Z., R. He, K. Fennel, W.-J. Cai, S. Lohrenz, and C. Hopkinson (2013), Modeling ocean circulation and biogeochemical variability in the Gulf of Mexico, Biogeosciences, 10(11), 7219-7234.

Liu M, Tian H, Yang Q, Yang J, Song X, Lohrenz SE, Cai W-J (2013) Long-term trends in evapotranspiration and runoff over the drainage basins of the gulf of Mexico during 1901-2008. Water Resources Research 49:1-25

Chen, G., H. Tian, C. Zhang, M. Liu, W. Ren, W. Zhu, A. Chappelka, S. Prior and G. Lockaby. 2012. Drought in the Southern United States over the 20th century: Variability and its impacts on terrestrial ecosystem productivity and carbon storage. Climatic Change DOI 10.1007/s10584-012-0410-z

Hopkinson, C. S., W.-J. Cai, and X. Hu. 2012. Carbon sequestration in wetland dominated coastal systems: a global sink of rapidly diminishing magnitude. Current Opinion in Environmental Sustainability, 4:1-9.

Huang, W. J., W. J. Cai, R. T. Powell, S. E. Lohrenz, Y. Wang, L. Q. Jiang, and C. S. Hopkinson (2012) The stoichiometric ratio during biological removal of inorganic carbon and nutrient in the Mississippi River plume and adjacent continental shelf. Biogeosciences Discuss. 9: 1557-1585, doi:10.5194/bgd-9-1557-2012.

Guo, X., Cai, W-J., Huang, W-J., Wang, Y., Chen, F., Murrell, M.C., Lohrenz, S. Dai, M., Jiang, L-Q. and Culp, R. (2012) CO2 dynamics and community metabolism in the Mississippi River plume. Limnology and Oceanography 57(1):1-17

Cai, W.-J. X. Hu, W. Huang, M. C. Murrell, J. C. Lehrter, S.E. Lohrenz, W.-C. Chou, W. Zhai, J.T. Hollibaugh, Y. Wang, P. Zhao, X. Guo, K. Gundersen, M. Dai and G.-C. Gong (2011) Acidification of subsurface coastal waters enhanced by eutrophication. Nature Geoscience 4, 766-770

Chen, G., H. Tian, C. Zhang, M. Liu, W. Ren, W. Zhu, A. Chappelka, S. Prior and G. Lockaby (2012) Drought in the Southern United States over the 20th century: Variability and its impacts on terrestrial ecosystem productivity and carbon storage. Climatic Change DOI 10.1007/s10584-012-0410-z.

Cai, W.-J. (2011) Estuarine and coastal ocean carbon paradox: CO2 sinks or sites of terrestrial carbon incineration? Annual Review of Marine Science 2011. 3:123-45, doi:10.1146/annurev-marine-120709-142723

Lohrenz, S. E., Lohrenz, S. E., W.-J. Cai, F. Chen, X. Chen, and M. Tuel, Seasonal variability in air-sea fluxes of CO2 in a river-influenced coastal margin (2010) Journal of Geophysical Research-Oceans, 115(C10), C10034.

Cai, W. J., S. E. Lohrenz, (2010) The Mississippi River Plume and Adjacent Margin in the Gulf of Mexico, In: Carbon and nutrient fluxes in continental margins: a global synthesis (K. K. Liu, L. Atkinson, R. Quinones and L. Talaue-McManus, Eds.), Springer-Verlag, NY.

Lohrenz, S. E., Fahnenstiel, G. L., Schofield, O., and Millie, D. F. (2008) Coastal sediment dynamics and river discharge as key factors influencing coastal ecosystem productivity in southeastern Lake Michigan. Oceanography 21:60-69.

Lohrenz, S. E., D. G. Redalje, Wei-Jun Cai, J. Acker, and M. Dagg (2008) A retrospective analysis of nutrients and phytoplankton productivity in the Mississippi River Plume, Continental Shelf Research, Continental Shelf Research , doi:10.1016/j.csr.2007.06.019.

Cai, Wei-Jun, X. Guo, C. A. Chen, M. Dai, L. Zhang, S. E. Lohrenz, W. Zhai, and Y. Wang (2008) A comparative overview of weathering intensity and HCO3 - flux in the world's largest rivers, with emphasis on the Changjiang, Huanghe, Pearl and Mississippi Rivers, Continental Shelf Research , doi:10.1016/j.csr.2007.10.014.

Green, R., G. Breed, M. Dagg, and S. E. Lohrenz (2008) Modeling planktonic dynamics and response to variable nitrate loading in the Mississippi River plume, Continental Shelf Research, doi:10.1016/j.csr.2007.02.008.

Dagg, M.J., Ammerman, J.W., Amon, R.M.W., Gardner, W.S., Green, R.E., Lohrenz, S.E. (2007) A review of water column processes influencing hypoxia in the northern Gulf of Mexico. Estuaries and Coasts 30 (5), 735-752.

Cai, W.-J., M. Dai, and Y. Wang (2006) Air-sea exchange of carbon dioxide in ocean margins: A province-based synthesis. Geophysical Research Letters, 33, L12603, doi:10.1029/2006GL026219.

Lohrenz, S. E., and W. J. Cai (2006), Satellite ocean color assessment of air-sea fluxes of CO2 in a river-dominated coastal margin, Geophys. Res. Lett., 33, doi:10.1029/2005GL023942.

GulfCarbon Meeting Participation

Carbon Monitoring System Science Team Meeting, November 16-18, 2015, Pasadena, CA.

Coastal and Estuarine Research Federation Biennial Meeting, November 8-12, 2015, Portland, OR.

USDA/EPA National Workshop on Water Quality Markets, September 15-17, 2015, Lincoln, NE.

NASA Carbon Cycle and Ecosystems Joint Science Workshop, April 20-24, 2015, College Park, MD.

North American Carbon Program Principal Investigators Meeting, January 26-29, 2015, Washington, D.C.

NASA Carbon Monitoring System Science Team Meeting and Applications Workshop, November 12-14,2014, Washington, D.C.

NASA CMS Phase 2 Science Team Meeting, November 5-7,2013, Pasadena, CA.

2010 Ocean Sciences Meeting, 22-26 February 2010, Portland, OR.

8th International Carbon Dioxide Conference, 13-19 September 2009, Jena, Germany.

North American Carbon Program 2nd NACP All Investigators Meeting, February 17-20, 2009, San Diego, CA.

Coupled Land-Ocean Biogeochemical Cycling in the Gulf of Mexico, American Geophysical Union Fall Meeting, 15-19 December, 2008, San Francisco, CA.

Ocean Carbon and Biogeochemistry Scoping Workshop on Terrestrial and Coastal Carbon Fluxes in the Gulf of Mexico, St. Petersburg, FL, 6-8 May 2008.

NASA Carbon Cycle and Ecosystems Joint Science Workshop, April 28 – May 2, 2008, Adelphi, MD.

Ocean Carbon and Biogeochemistry Workshop, July 23-26, 2007, Woods Hole, MA.

Ocean Carbon and Biogeochemistry Workshop, July 10-14, 2006, Woods Hole, MA.

Presentations (*indicates student participation)

Lohrenz, S. E., W.-J. Cai, H. Tian, R. He, M. Friedrichs, E. Hofmann, R. Najjar, Z.-L. Yang (2015) Integrated Observation and Modeling of Carbon Cycle Processes Across Terrestrial-Coastal Interfaces: Reducing Uncertainties and Enhancing Linkages to Decision Support, North American Carbon Program Principal Investigators Meeting, January 26-29, 2015, Washington, D.C.

Tian, H., Ren, W., Yang, J., Tao, B., Cai, W., Banger, K., He, R., Hopkinson, C., Liu, M., Lohrenz, S., Lu, C., Pan, S., Yang, Q. and Zhang, B. (2015) Contemporary and projected lateral carbon fluxes from North America to Oceans: A process-based modeling study, North American Carbon Program Principal Investigators Meeting, January 26-29, 2015, Washington, D.C.

Cai, W.-J., L. L. Robbins, R. Wanninkhof, L. Barbero, R. He, K. Fennel, S. Lohrenz, W.-J. Huang (2015) Determining sea surface pCO2 distribution, flux and variability in the Gulf of Mexico with implications for a regional carbon budget, North American Carbon Program Principal Investigators Meeting, January 26-29, 2015, Washington, D.C.

Huang, W.-J., W.-J. Cai, Y. Wang, X. Hu, B. Chen, S. Lohrenz, S. Chakraborty, R. He, A. Todd, J. Brandes, C. Hopkinson (2015) The response of inorganic carbon distributions and dynamics to upwelling favorable winds on the northern Gulf of Mexico during summer, North American Carbon Program Principal Investigators Meeting, January 26-29, 2015, Washington, D.C.

Yang, J., H. Tian, W. Ren, C. Lu, S. Wolf, A. Desai, S. Pan, B. Tao, B. Zhang, C. Gough, P. Blanken, S. Lohrenz, M. Torn (2015) Current and future sensitivity of ecosystem productivity to precipitation in the humid United States, North American Carbon Program Principal Investigators Meeting, January 26-29, 2015, Washington, D.C.

Lohrenz, S. E., W.-J. Cai, H. Tian, R. He, Z. Xue (2014) Assessing Impacts of Climate and Land Use Change on Terrestrial-Ocean Fluxes of Carbon and Nutrients and their Cycling in Coastal Ecosystems, American Geophysical Union Fall Meeting, Dec. 15-19, 2014, San Francisco, CA.

Tao, B., H. Tian, W. Ren, J. Yang, Q. Yang, R. He, W. Cai, S. Lohrenz (2014) Increasing Mississippi river discharge throughout the twenty-first century influenced by changes in climate, land use and atmospheric CO2, American Geophysical Union Fall Meeting, Dec. 15-19, 2014, San Francisco, CA.

Xue, Z., R. He, K. Fennel, W.-J. Cai, S. Lohrenz, W.-J. Huang, H. Tian (2014) Modeling pCO2 variability in the Gulf of Mexico, American Geophysical Union Fall Meeting, Dec. 15-19, 2014, San Francisco, CA.

Lohrenz, S. E., W.-J. Cai, H. Tian, R. He (2014) An Integrated Terrestrial-Coastal Ocean Observation and Modeling Framework for Carbon Management Decision Support, NASA Carbon Monitoring System 2014 Science Team Meeting, November 12-14, 2014, Bethesda, MD.

Lohrenz, S. E., W.-J. Cai, and W.-J. Huang (2014) Satellite and ship based ship-observations of air-sea fluxes of CO2 in the Gulf of Mexico, NASA Ocean Color Research Team Meeting, 5-7 May 2014, Silver Spring, MD.

Chakraborty, S.; Lohrenz, S. E. (2014) Phytoplankton chemotaxonomy across the continental margins of Gulf of Mexico and Atlantic coast of United States, 2014 Ocean Sciences Meeting, 23-28 February 2014, Honolulu, HI.

Huang, W.; Cai, W.; Wang, Y.; Lohrenz, S. E. (2014) The carbon dioxide (CO2) system in the Mississippi river dominated continental shelf, northern Gulf of Mexico - I: Distribution and air-sea flux, 2014 Ocean Sciences Meeting, 23-28 February 2014, Honolulu, HI.

Xue, Z.; He, R.; Fennel, K.; Cai, W.; Lohrenz, S. (2014) Modeling ocean circulation and biogeochemical variability in the Gulf of Mexico, 2014 Ocean Sciences Meeting, 23-28 February 2014, Honolulu, HI.

Tian, H.; Tao, B.; Yang, Q.; Lohrenz, S.; Friedrichs, M. (2014) Projecting the 21st century fluxes of water, carbon and nitrogen from land to Gulf of Mexico and US eastern coast under climate and land use scenarios, 2014 Ocean Sciences Meeting, 23-28 February 2014, Honolulu, HI.

Tian, Hanqin, Ruoying He, Wei Ren, Bo Tao, Jia Yang, Chaoqun Lu, Qichun Yang, Bowen Zhang, Zuo Xue, Joseph Zambon, Wei-jun Cai, and Steven Lohrenz (2013 ) Impacts of Population Growth, Urbanization and Agricultural Expansion on Riverine Fluxes and Coastal Ecosystems in the Southeastern U.S. as assessed by the Coupled Land-Ocean Modeling System, Part 1: Riverine Flux Variations, 4th NACP All-Investigators Meeting, Feb. 4-8, 2013, Albuquerque, NM (Poster).

He, Ruoying, Hanqin Tian, Zuo Xue, Joseph Zambon, Zhigang Yao, Wei Ren, Chaoqun Lu, Bo Tao, Wei-jun Cai, and Steven Lohrenz (2013) Impacts of Population Growth, Urbanization and Agricultural Expansion on Riverine Fluxes and Coastal Ecosystems in the Southeastern U.S. as assessed by the Coupled Land-Ocean Modeling System, Part 2: Marine Ecosystem Responses, 4th NACP All-Investigators Meeting, Feb. 4-8, 2013, Albuquerque, NM (Poster).

Lohrenz, Steven, Wei-jun Cai, Hanqin Tian, Ruoying He, Xue Zuo, Katja Fennel, Hopkinson Charles, and Stephan Howden (2013) Observations and Coupled Terrestrial-Coastal Ocean Modeling of Carbon-Cycle Exchange in the Mississippi-Atchafalaya Basin and Northern Gulf of Mexico, 4th NACP All-Investigators Meeting, Feb. 4-8, 2013, Albuquerque, NM (Oral Presentation).

Lohrenz, S. and P. Del Giorgio (2013) Breakout Discussion: Continental Coastal Interactions: Integration of models across terrestrial, inland water, and coastal ocean ecosystems for diagnosis, attribution, and management of carbon processes, 4th NACP All-Investigators Meeting, Feb. 4-8, 2013, Albuquerque, NM.

Lohrenz, S. E. and others (2013), Primary Production Working Group Presentation, Gulf of Mexico Coastal Carbon Synthesis Workshop, March 27-28, 2013, U.S. Geological Survey, St. Petersburg, FL.

Lohrenz, S. E., Wei-jun Cai, Hanqin Tian, Ruoying He, Mingliang Liu, Katja Fennel, and Stephan Howden (2013) Coupled Modeling of Land-Ocean Biogeochemical Cycles and Exchanges in the northern Gulf of Mexico University of Maine Seminar, 26 Apr 2013 (Invited Presentation).

Xue, Zuo, Ruoying He, Katja Fennel, Wei-jun Cai, Steve E. Lohrenz, and Charles S. Hopkinson (2013) Modeling Ocean Circulation and Biogeochemical Variability in the Gulf of Mexico, Joint NASA IDS Meeting, April 29 - May 1, 2013, Auburn University (Oral and Poster).

Tian, H., He, R., Ren, R., Tao, B., Yang, J., Lu, C., Yang. Q., Zhang, B., Xue, Z., Zambon, J. Cai, W.J/ and Lohrenz, S.E. (2013) Impacts of Population Growth, Urbanization and Agricultural Expansion on Riverine Fluxes and Coastal Ecosystems in the Southeastern U.S. as assessed by the Coupled Land-Ocean Modeling System, Part 1: Riverine Flux Variations, Joint NASA IDS Meeting, April 29 - May 1, 2013, Auburn University (Oral and Poster).

He, Ruoying, Hanqin Tian, Zuo Xue, Joseph Zambon, Zhigang Yao, Wei Ren, Chaoqun Lu, Bo Tao, Wei-jun Cai, Steven Lohrenz. Impacts of Population Growth, Urbanization and Agricultural Expansion on Riverine Fluxes and Coastal Ecosystems in the Southeastern U.S. as assessed by the Coupled Land-Ocean Modeling System, Part 2: Marine Ecosystem Responses, Joint NASA IDS Meeting, April 29 - May 1, 2013, Auburn University (Oral and Poster).

Lohrenz, S., W.-J. Cai, H. Tian, R. He, Z. Xue, K. Fennel, C. Hopkinson, S. Howden, M. Liu, S. Chakraborty, and W.-J. Huang (2013) Coupled Modeling of Land-Ocean Biogeochemical Cycles and Exchanges in the northern Gulf of Mexico, Joint NASA IDS Meeting, April 29 - May 1, 2013, Auburn University (Oral).

Lohrenz, S., W.-J. Cai, W.-J. Huang, X. Guo, and S. Chakraborty (2013) Satellite-derived air-sea flux of pCO2 in the northern Gulf of Mexico, Joint NASA IDS Meeting, April 29 - May 1, 2013, Auburn University (Oral).

Cai, W.-J., W.-J. Huang, S. E. Lohrenz, Y. Wang and others (2013) Ocean observations of carbonate system properties in the Gulf of Mexico, Joint NASA IDS Meeting, April 29 - May 1, 2013, Auburn University (Oral).

Cai, W.-J., W.-J. Huang, S. E. Lohrenz and Y. Wang (2013) Gulf of Mexico carbon budget, Joint NASA IDS Meeting, April 29 - May 1, 2013, Auburn University (Oral).

Huang, W.-J., W.-J. Cai, and others (2013) Seasonal and spatial variations in air-sea flux of CO2, Joint NASA IDS Meeting, April 29 - May 1, 2013, Auburn University (Oral).

Cai, W.-J., W.-J. Huang, S. E. Lohrenz and Y. Wang (2013) Carbon dioxide (CO2) distribution and air-sea flux in the Mississippi River dominated continental shelf, northern Gulf of Mexico, 9th International Carbon Dioxide Conference, 2-7 June 2013, Beijing, China (Oral Presentation).

Lohrenz, S., W.-J. Cai, H. Tian, R. He, Z. Xue, K. Fennel, C. Hopkinson, S. Howden, M. Liu, S. Chakraborty, and W.-J. Huang (2013) Coupled Terrestrial-Coastal Ocean Modeling of Carbon-Cycle Processes in the Mississippi-Atchafalaya Basin and Northern Gulf of Mexico, 9th International Carbon Dioxide Conference, 2-7 June 2013, Beijing, China (Oral Presentation).

Lohrenz, S. E.; Cai, W. J.; Tian, H.; He, R.; Xue, Z.; Fennel, K.; Hopkinson, C. S.; Howden, S. D. (2013) Characterizing Climate and Human Influences on Land-Ocean Fluxes in a Large River System Using Coupled Terrestrial-Coastal Ocean Models, Association for the Sciences of Limnology and Oceanography Aquatic Sciences Meeting, 17-22 February 2013, New Orleans, LA (Oral Presentation).

Chakraborty, S.; Lohrenz, S. E.; Shiller, A. M.; Lojek, A.: Phytoplankton Community Dynamics in the Different Bio-Optical Provinces in the Northern Gulf of Mexico, Association for the Sciences of Limnology and Oceanography Aquatic Sciences Meeting, 17-22 February 2013, New Orleans, LA (Oral Presentation).

Lohrenz, S. E., W.-J. Cai, H. Tian, R. He, Z. Xue, K. Fennel, C. Hopkinson, S. Howden, Sustainable management of coastal environments through coupled terrestrial-coastal ocean models, American Geophysical Union Fall Meeting, 3-7 Dec 2012, San Francisco, CA.

Lohrenz, S. E., W.-J. Cai, H. Tian, R. He, S. Howden, Development of observational tools and coupled models of land-ocean-atmospheric fluxes and exchanges in the Mississippi River watershed and Gulf of Mexico in support of carbon monitoring, NASA Carbon Monitoring System Science Team Meeting, 7-9 Nov 2012, Greenbelt, MD.

Lohrenz, S. E., W.-J. Cai, H. Tian, Estimation of land-ocean-atmosphere carbon fluxes and exchanges in the Mississippi River watershed and northern Gulf of Mexico, NASA Carbon Monitoring System Science Team Meeting, 7-9 Nov 2012, Greenbelt, MD.

Lohrenz, S. E., River plume processes and dynamics, Ocean Carbon and Biogeochemistry Workshop, 16-19 July 2012, Woods Hole, MA (plenary talk).

Alin, S., H. Benway, W. J. Cai, P. Coble, P. Griffith, S. Lohrenz, J. Mathis, G. McKinley, R. Najjar. The North American Carbon Program (NACP) Coastal Interim Synthesis Activity: Carbon and Nutrient Exchanges and Transformations at the Land-Ocean Continuum. Third North American Carbon Program All Investigators Meeting, 31 Jan - 4 Feb 2011, New Orleans, LA (plenary talk).

Cai, W. -J. and the NASA-IDS group (keynote speaker). Impacts of terrestrial export on carbon dynamics, ocean acidification, and the metabolic states in the northern Gulf of Mexico. 11th International Estuarine Biogeochemistry Symposium , May 15-19, 2011, Morehead City, NC.

Cai, W. -J. Carbon dioxide chemistry and flux at the land-ocean interface under global changes (invited seminar), UNC-CH Institute of Marine Sciences (18 May, 2011).

Cai, W. -J. Carbon dioxide chemistry and flux at the land-ocean interface under a changing climate/environment, University of Delaware, School of Marine Science and Policy, Lewes, DL (May 3, 11).

Cai, W. -J. Enhanced ocean acidification due to coastal eutrophication-hypoxia and high atmospheric pCO2. College of Ocean and Earth Sciences. Tongji University, Shanghai, China (April 28, 11).

Cai, W. -J. Impacts of eutrophication on pH of a large river plume and ocean acidification in the hypoxic subsurface waters of the northern Gulf of Mexico. College of Ocean and Environmental Science, Xiamen University, Xiamen, China (April 4, 11).

*Cai, W., Hu, X., Huang, W., Murrell, M. C., Lehrter, J. C., Lohrenz, S. E., Wang, Y., Guo, X., Chen, F., and Gundersen, K. Enhanced ocean acidification in the northern Gulf of Mexico hypoxic bottom waters. OS31A-05. Fall AGU (American Geophysical Union) meeting, Dec. 2010, San Francisco, CA. (Lohrenz and Cai were session co-chairs)

*Chakraborty, S., S. E. Lohrenz (2010) Phytoplankton community structure and dynamics in the river influenced margin of the Northern Gulf of Mexico, American Geophysical Union Fall Meeting, 13-17 December 2010, San Francisco, CA (poster).

*Chakraborty. S and Steven E. Lohrenz Variations in light absorptions by phytoplankton, non-algal particles and colored dissolved organic matter in the continental shelf waters of Northern Gulf of Mexico, NASA Ocean Color Research Team Meeting, April-2012, Seattle, WA, U.S.A.

*Lohrenz, S. E., W. Cai, S. Chakraborty, S. Epps, C. G. Fichot, K. Gundersen, K. Martin, W. Huang, Y. Wang, GulfCarbon: A Comprehensive Study of Carbon Dynamics in the Northern Gulf of Mexico, Ocean Sciences Meeting, 22-26 February 2010, Portland, OR.

*Fichot, C. G., W. L. Miller, S. E. Lohrenz, L. Powers, R. Benner, Photodegradation of Dissolved Organic Carbon in a River-dominated Ocean Margin, Ocean Sciences Meeting, 22-26 February 2010, Portland, OR.

*Huang, W., W. Cai, X. Hu, Y. Wang, Temporal and spatial distribution of pCO2 in the Louisiana-Texas Shelf, American Geophysical Union Fall 2008 Meeting, 15-19 December 2008, San Francisco, CA.

Alin, S., Archer, D., Benway, H., Biddanda, B., Cai, W.-J.,Chen, F., Coble, P., Cotner, J., Feely, R., Fennel, K., Friedrichs, M. Griffith, P., Gruber, N., Hales, B., Hernandez, M., Jonsson, B., Law, B., Liu, M., Lohrenz, S., Mahadevan, A. Mathis, J., McGillis, W., McKinley, G., Najjar, R., Plattner, G.-K., Raymond, P., Sabine, C., Salisbury, J., Shadwick, E., Siedlecki, S., Strutton, P., Thomas, H., Tian, H., Vandemark, D., Vander Woude, A., 2009, The North American Carbon Program (NACP) Coastal Interim Synthesis Activity: Carbon synthesis along North American margins, 8th International Carbon Dioxide Conference, 13-19 September 2009, Jena, Germany.

*Lohrenz, S. E., W.-J. Cai, X. Guo, S. Chakraborty, and M. Tuel, A seasonal CO2 sink associated with the Mississippi and Atchafalaya Rivers, American Geophysical Union Fall 2008 Meeting, 15-19 December 2008, San Francisco, CA.

*Cai, W.-J., X. Guo, W.-J. Huang, Y. Wang, F. Chen, M. C. Murrell, and S. E. Lohrenz, CO2 dynamics and community metabolism in the Mississippi River plume, American Geophysical Union Fall 2008 Meeting, 15-19 December 2008, San Francisco, CA.

*Lohrenz, S. E., W.-J. Cai, F. Chen, S. Chakraborty, and M. Tuel, A seasonal CO2 sink associated with the Mississippi and Atchafalaya Rivers. Ocean Carbon and Biogeochemistry Workshop, Woods Hole, MA, 21-24 July 2008 (poster, contributed).

*Cai, W.-J., X. Gao, F. Chen, W.-J. Huang, Y. Wang, and S. E. Lohrenz, The dynamics of CO2 in the Mississippi River plume and northern Gulf of Mexico, Ocean Carbon and Biogeochemistry Scoping Workshop on Terrestrial and Coastal Carbon Fluxes in the Gulf of Mexico, St. Petersburg, FL, 6-8 May 2008 (poster, contributed).

*Lohrenz, S. E., W.-J. Cai, F. Chen, X. Chen, and M. Tuel, Variability in satellite algorithms for regional assessments of pCO2, Ocean Carbon and Biogeochemistry Scoping Workshop on Terrestrial and Coastal Carbon Fluxes in the Gulf of Mexico, St. Petersburg, FL, 6-8 May 2008 (poster, contributed).

*Lohrenz, S. E., W.-J. Cai, F. Chen, X. Chen, and M. Tuel, Variability in satellite algorithms for regional assessments of pCO2, NASA Carbon Cycle and Ecosystems Joint Science Workshop, April 28 – May 2, 2008, Adelphi, MD (poster, contributed).

Lohrenz, S. E., Gulf of Mexico Carbon Cycling, Ocean Carbon and Biogeochemistry Scoping Workshop on Terrestrial and Coastal Carbon Fluxes in the Gulf of Mexico, St. Petersburg, FL, 6-8 May 2008 (oral, invited).

Lohrenz, S. E., O. M. E. Schofield, G. L. Fahnenstiel, D. F. Millie, Optical characterization of physical and biogeochemical variability in a Lake Michigan coastal ecosystem, ASLO, AGU, TOS Ocean Sciences Meeting, Orlando, FL, 3-7 March, 2008 (oral, contributed).

Lohrenz, S. E., D. G. Redalje, and W. –J. Cai, Temporal Relationships Between Riverine Nutrient Inputs and Phytoplankton Biomass and Productivity in the Mississippi River Plume, Estuarine Research Federation Meeting, Providence, RI, November 5-8, 2007.

Tuel, Merritt, S. E. Lohrenz and D. G. Redalje, The USM method, NASA HPLC Pigment Analysis Workshop, Copenhagen, Denmark, October 22-25, 2007.

Lohrenz, S., Stephan Howden, Wei-Jun Cai, Xiaogang Chen, and Merritt Tuel (invited), Satellite and in situ optical assessments of environmental responses to Hurricanes Katrina and Rita in coastal waters of the northern Gulf of Mexico, University of South Carolina– Columbia, August 31, 2007.

Lohrenz, S. E., W.-J. Cai, F. Chen, X. Chen, and M. Tuel, Examining Distributions and Controlling Mechanisms of pCO2 and Air-Sea Fluxes of CO2 in the Northern Gulf of Mexico, Ocean Carbon and Biogeochemistry Workshop, Woods Hole, MA, July 23-26, 2007.

Lohrenz, S. E., W.-J. Cai, F. Chen, X. Chen, and M. Tuel, Seasonal variability in air-sea fluxes of CO2 in a river-influenced coastal margin, NASA Ocean Color Research Team Meeting, Seattle, WA, 11-13 April, 2007.

*W.-J. Cai, X. Gao, and S. E. Lohrenz, F. Chen, Y. Wang, Surface water CO2 study in the Mississippi River Plume and Northern Gulf of Mexico, SOLAS Open Science Conference, March 6-9, 2007, Xiamen, China.

*Lohrenz, S. E., W.-J. Cai, F. Chen, X. Chen, and M. Tuel, Seasonal dynamics in satellite-derived air-sea fluxes of CO2 in a river-influenced coastal margin, American Society of Limnology and Oceanography Aquatic Sciences Meeting, Santa Fe, NM, 4-9 Feburary 2007.

*Lohrenz, S. E., W.-J. Cai, F. Chen, X. Chen, and M. Tuel, Seasonal variability in air-sea fluxes of CO2 in a river-influenced coastal margin, U.S. North American Carbon Program (NACP) Investigators Meeting, Colorado Springs, CO, January 22-26, 2007.

Cai, W.-J., S. E. Lohrenz, and R. Wanninkhof, Air-sea CO2 flux and carbon budget in the Gulf of Mexico: State of knowledge and research initiatives in North America’s largest marginal sea, U.S. North American Carbon Program (NACP) Investigators Meeting, Colorado Springs, CO, January 22-26, 2007.

Lohrenz, S. E. (invited), Biogeochemical and Ecosystem Processes in a River-Dominated Margin, Texas A&M Galveston, Galveston, TX, 7 February 2006.

Lohrenz, S. E., and W.-J. Cai, Satellite Assessments of Air-Sea Fluxes of CO2 in a River-Dominated Coastal Margin, Ocean Carbon and Biogeochemistry Workshop, Woods Hole, MA, July 23-26, 2006.

Lohrenz, S. E., W.-J. Cai, X. Chen, M. Tuel, and F. Chen, Assessment of River Margin Air-Sea CO2 Fluxes, NASA Ocean Color Research Team Meeting, Newport, RI, 11-13 April, 2006.

Lohrenz, S. E., X. Chen, and M. Tuel, Underway Determinations of Hyperspectral Visible and Discrete UV Remote Sensing Reflectance in Optically Complex Coastal Waters, Ocean Optics XVIII, Montreal, Quebec, 9-13 October, 2006.

*Lohrenz, S. E., Cai, W.-J., Chen, X. Tuel, M., and Chen, F., Satellite Assessments of Air-Sea Fluxes of CO2 in a River-Dominated Coastal Margin, Ocean Carbon and Biogeochemistry Workshop, July 10-14, 2006, Woods Hole, MA.

*Lohrenz, S. E., Cai, W.-J., Chen, X. Tuel, M., and Chen, F., Assessment of River Margin Air-Sea CO2 Fluxes, NASA Ocean Color Research Team meeting, April 11-13, 2006, Providence, RI.

*Lohrenz, S. E., W. J. Cai, and V. Wright, 2004. Satellite Ocean Color Assessment of pCO2 in a River-Dominated Coastal Margin, Ocean Optics XVII, Fremantle, Australia, October 25-29, 2004.

Lohrenz, S. E., Cai, W. J., Satellite-Aided Estimation of Air-Sea Fluxes Of CO2 in a River-Dominated Coastal Margin, ASLO Aquatic Sciences Meeting, Salt Lake City, 20-25 February 2005.

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