Curriculum Vitae

EDUCATION

2007 Ph.D. in Oceanography, Old Dominion University

1997 B.S. in Chemistry, Peking University, China

PROFESSIONAL EXPERIECE

2024– present Associate Editor, Global Biogeochemical Cycles

2023 – present Professor, Department of Physical & Environmental Sciences, Texas A&M University-Corpus Christi

2022 – present Endowed Chair for Ecosystem Science and Modeling, Harte Research Institute for Gulf of Mexico Studies, Texas A&M University-Corpus Christi

2021 – present Editor, Ocean Science

2020 – 2022 HRI Chair for Ecosystem Science and Modeling, Harte Research Institute for Gulf of Mexico Studies, Texas A&M University-Corpus Christi

2018 – 2023 Associate Professor, Department of Physical & Environmental Sciences, Texas A&M University-Corpus Christi

2018 – 2022 Associate Editor, Frontiers in Marine Science

2017 – 2019 Coordinator, Coastal & Marine System Science Program, Department of Physical & Environmental Sciences, Texas A&M University-Corpus Christi

2017 Coordinator, Chemistry M.S. Program, Department of Physical & Environmental Sciences, Texas A&M University-Corpus Christi

2012 – 2018 Assistant Professor, Department of Physical & Environmental Sciences, Texas A&M University-Corpus Christi

2012 – 2012 Assistant Research Scientist, Department of Marine Sciences, University of Georgia

2007 – 2012 Post Doctoral Associate, Department of Marine Sciences, University of Georgia

2000 – 2006 Graduate Research Assistant, Department of Ocean, Earth and Atmospheric Sciences, Old Dominion University

1997 – 2000 Research Assistant, Institute of Oceanology, Chinese Academy of Sciences

 

AWARDS AND HONORS

• Ruth A. Campbell Professor of Coastal and Marine System Science
• Outstanding Doctoral Mentor Award, TAMUCC
• National Science Foundation CAREER Award

 

REFEREED JOUNRAL PUBLICATIONS ("_" denotes mentee author)

Yin, H., Jin, L., and Hu, X. 2024. Interpreting biogeochemical processes through the relationship of total alkalinity and dissolved inorganic carbon: theoretical basis and limitations. Limnology and Oceanography: Methods, 22, 311-320. doi:10.1002/lom3.10608

Yin, H., Hu, X., and Dias L.M. 2023. Sulfate enrichment in estuaries of the northwestern Gulf of Mexico: the potential effect of sulfide oxidation on carbonate chemistry under a changing climate. Limnology and Oceanography Letters, 8, 742-750.

Johnston, M.A., Studivan, M.S., Enochs, I.C., Correa, A.M.S., Besemer, N., Eckert, R.J., Edwards, K., Hannum, R., Hu, X., Nuttall, M., O'Connell, K., Palacio-Castro, A.M., Schmahl, G.P., Sturm, A.S., Ushijima, B. and Voss, J.D., 2023. Coral disease outbreak at the remote Flower Garden Banks, Gulf of Mexico. Frontiers in Marine Science, 10, 1111749. doi:10.3389/fmars.2023.1111749.

Dias, L.M., Hu, X., and Yin, H. 2023. A biogeochemical alkalinity sink in a shallow, semiarid estuary of the northwestern Gulf of Mexico. Aquatic Geochemsitry, 29, 49-71.

Hu, X., Yao, H., McCutcheon, M.R., Dias, L., Staryk, C.J., Wetz, M.S., and Montagna, P.A. 2022. Aragonite saturation state in estuaries along a climate gradient in the northwestern Gulf of Mexico. Frontiers in Environmental Science,10, 951256. doi:10.3389/fenvs.2022.951256.

Osborne, E., Hu, X., Hall, E.R., Yates, K., Vreeland-Dawson, J., Shamberger, K., Barbero, L., Hernandez-Ayon, J.M., Gomez1, F.A., Hicks, T., Xu, Y.-Y., McCutcheon, M.R., Acquafredda, M., Chapa-Balcorta, C., Norzagaray, O., Pierrot, D., Munoz-Caravaca, A., Dobson, K.L., Williams, N., Rabalais, N.N., and Dash, P. 2022. Ocean acidification in the Gulf of Mexico: drivers, impacts, and unknowns. Progress in Oceanography, 209, 102882.

McCutcheon, M.R. and Hu, X., 2022. Long-term trends in estuarine carbonate chemistry in the northwestern Gulf of Mexico. Frontiers in Marine Science, 9, 793065. doi:10.3389/fmars.2022.793065.

Jiang, L.-Q. and 39 coauthors, 2022. Best practice data standards for discrete chemical oceanographic observations. Frontiers in Marine Science, 8, 705638, doi:10.3389/fmars.2021.705638

Huang, I.S., Hu, X., Abdulla, H. and Zimba, P.V., 2021. Effects of climate change on metabolite accumulation in freshwater and marine cyanobacteria. Climate Change Ecology, 2, 100018.

Rosenau, N.A., Galavotti, H., Yates, K.K., Bohlen, C.C., Hunt, C.W., Liebman, M., Brown, C.A., Pacella, S.R., Largier, J.L., Nielsen, K.J., Hu, X., McCutcheon, M.R., Vasslides, J.M., Poach, M., Ford, T., Johnston, K. and Steele, A., 2021. Integrating High-Resolution Coastal Acidification Monitoring Data Across Seven United States Estuaries. Frontiers in Marine Science, 8, 679913, doi:10.3389/fmars.2021.679913.

McCutcheon, M.R., Yao, H., Staryk, C.J. and Hu, X., 2021. Temporal variability and driving factors of the carbonate system in the Aransas Ship Channel, TX: A time-series study. Biogeosciences, 18, 4571-4586.     

Huang, W.-J., Cai, W.-J. and Hu, X., 2021. Seasonal Mixing and Biological Controls of the Carbonate System in a River-Dominated Continental Shelf Subject to Eutrophication and Hypoxia in the Northern Gulf of Mexico. Frontiers in Marine Science, 8, 621243, doi:10.3389/fmars.2021.621243.

Hu, X., Yao, H., Staryk, C.J., McCutcheon, M.R., Wetz, M.S. and Walker, L., 2021. Corrigendum: Disparate responses of carbonate system in two adjacent subtropical estuaries to the influence of Hurricane Harvey - A case study. Frontiers in Marine Science, 8, 647961, doi:10.3389/fmars.2021.647961.

Walker, L.M. Montagna, P.A., Hu, X. and Wetz, M.S., 2021.Timescales and Magnitude of Water Quality Change in Three Texas Estuaries Induced by Passage of Hurricane Harvey. Estuaries and Coasts, 44, 960-971.

Hu, X., 2020. Effect of organic alkalinity on seawater buffer capacity - A numerical exploration. Aquatic Geochemistry, 26, 161-178. (OCB August 2020 Science Highlight)

Hu, X., Yao, H., Staryk, C.J., McCutcheon, M.R., Wetz, M.S. and Walker, L. 2020. Disparate responses of carbonate system in two adjacent subtropical estuaries to the influence of Hurricane Harvey - A case study. Frontiers in Marine Science, 7, 26, doi:10.3389/fmars.2020.00026.

Patrick, C.J., Yeager, L., Armitage, A.R., Carvallo, F., Congdon, V.M., Dunton, K.H., Fisher, M., Hardison, A.K., Hogan, J.D., Hosen, J., Hu, X., Kiel Reese, B., Kinard, S., Kominoski, J.S., Lin, X., Liu, Z., Montagna, P.A., Pennings, S.C., Walker, L., Weaver, C.A. and Wetz, M.S., 2020. A system level analysis of coastal ecosystem responses to hurricane impacts. Estuaries and Coasts, 43, 943-959.

Wang, H., Hu, X., Wetz, M.S., Hayes, K.C. and Lu, K., 2020. Photochemical degradation of organic carbon in a eutrophic, semiarid estuary. Limnology and Oceanography Letters, 5 246-253.

Yao, H., McCutcheon, M.R., Staryk, C.J. and Hu, X., 2020. Hydrologic controls on CO₂ chemistry and flux in subtropical lagoonal estuaries of the northwestern Gulf of Mexico. Limnology and Oceanography, 65, 1380-1398.

McCutcheon, M.R., Staryk, C.J. and Hu, X., 2019. Characteristics of the carbonate system in a semi-arid estuary that experiences summertime hypoxia. Estuaries and Coasts, 42, 1509-1523.

Fennel, K., Alin, S., Barbero, L., Evans, W., Bourgeois, T., Cooley, S., Dunne, J., Feely, R.A., Hernandez-Ayon, J.M., Hu, X., Lohrenz, S., Muller-Karger, F., Najjar, R., Robbins, L., Shadwick, E., Siedlecki, S., Steiner, N., Sutton, A., Turk, D., Vlahos, P. and Wang, Z.A., 2019. Carbon cycling in the North American coastal ocean: A synthesis. Biogeosciences, 16, 1281-1304.

Turk, D., Wang, H., Hu, X., Gledhill, D.K., Wang, Z.A., Jiang, L. and Cai, W.-J., 2019. Time of emergence of surface ocean carbon dioxide trends in the North American coastal margins in support of ocean acidification observing system design. Frontiers in Marine Science, 6, 91. doi:10.3389/fmars.2019.00091.

Wang, H., Hu, X., Wetz, M.S. and Hayes, K.C., 2018. Oxygen consumption and respired organic matter in two eutrophic subtropical coastal embayments. Environmental Science & Technology, 52, 13004-13014.

Wang, H., Hu, X., Rabalais, N.N. and Brandes, J., 2018. Drivers of oxygen consumption in the northern Gulf of Mexico hypoxic waters - A stable carbon isotope perspective. Geophysical Research Letters, 45, 10528-10538.

Spalt, N., Murgulet, D. and Hu, X., 2018. Relating estuarine geology to groundwater discharge at an oyster reef in Copano Bay, TX. Journal of Hydrology, 564, 785-801.

Hu, X., Nuttall, M.F., Wang, H., Yao, H., Staryk, C.J., McCutcheon, M.R., Eckert, R.J., Embesi, J.A., Johnston, M.A., Hickerson, E.L., Schmahl, G.P., Manzello, D., Enochs, I.C., DiMarco, S. and Barbero, L., 2018. Seasonal variability of carbonate chemistry and decadal changes in waters of a marine sanctuary in the Gulf of Mexico. Marine Chemistry, 205, 16-28.

Scherer, A.E., Bird, C.E., McCutcheon, M.R., Hu, X. and Smee, D.L., 2018. Two-tiered defense strategy may compensate for predator avoidance costs of an ecosystem engineer. Marine Biology, 165, 131.

Montagna, P.A., Hu, X., Palmer, T.A. and Wetz, M.S., 2018. Effect of hydrological variability on the biogeochemistry of estuaries across a regional climatic gradient. Limnology and Oceanography, 63 2465-2478.

Murgulet, D., Trevino, M., Douglas, A., Spalt, N., Hu, X. and Murgulet, V., 2018. Temporal and spatial fluctuations of groundwater-derived alkalinity fluxes to a subtropical coastal embayment. Science of the Total Environment, 630, 1343-1359.

Najjar, R.G., Herrmann, M., Alexander, R., Boyer, E.W., Burdige, D., Butman, D., Cai, W.J., Canuel, E.A., Chen, R.F., Friedrichs, M.A.M., Feagin, R.A., Griffith, P., Hinson, A.L., Holmquist, J.R., Hu, X., Kemp, W.M., Kroeger, K.D., Mannino, A., McCallister, S.L., McGillis, W.R., Mulholland, M.R., Pilskaln, C., Salisbury, J., Signorini, S., St-Laurent, P., Tian, H., Tzortziou, M., Vlahos, P., Wang, Z.A. and Zimmerman, R.C., 2018. Carbon budget of tidal wetlands, estuaries, and shelf waters of Eastern North America. Global Biogeochemical Cycles, 32, 389-416.

Laruelle, G.G., Cai, W.-J., Hu, X., Gruber, N., Mackenzie, F.T. and Regnier, P., 2018. Continental shelves as a variable but increasing global sink for atmospheric carbon dioxide. Nature Communications, 9, 454.

Yao, H. and Hu, X., 2017. Responses of carbonate system and CO₂ flux to extended drought and intense flooding in a semiarid subtropical estuary. Limnology and Oceanography 62, S112-S130. (Special Issue on Headwaters to oceans: Ecological and biogeochemical contrasts across the aquatic continuum).

Wang, H., Hu, X., Cai, W.-J. and Sterba-Boatwright, B., 2017. Decadal fCO₂ trends in global ocean margins and adjacent boundary current-influenced areas. Geophysical Research Letters, 44, 8962-8970.

Reimer, J.J., Cai, W.-J., Xue, L., Vargas, R., Noakes, S., Hu, X., Signorini, S.R., Mathis, J.T., Feely, R.A., Sutton, A.J., Sabine, C., Musielewicz, S., Chen, B. and Wanninkhof, R., 2017. Time series pCO₂ at a coastal mooring: internal consistency, seasonal cycles, and interannual variability. Continental Shelf Research, 145, 95-108.

Hu, X., Li, Q., Huang, W.-J., Chen, B., Cai, W.-J., Rabalais, N.N. and Turner, R.E., 2017. Effects of eutrophication and benthic respiration on water column carbonate chemistry in a traditional hypoxic zone in the Northern Gulf of Mexico. Marine Chemistry, 190, 33-42.

Schoepf, V.*, Hu, X.*, Holcomb, M., Cai, W.-J., Li, Q., Wang, Y., Xu, H., Warner, M.E., Melman, T.F., Hoadley, K.D., Pettay, D.T., Matsui, Y., Baumann, J.H. and Grottoli, A.G., 2017. Coral calcification under environmental change: A direct comparison of the alkalinity anomaly and buoyant weight technique. Coral Reefs, 36, 13-25 (* equal contribution).

Wang, H., Hu, X. and Sterba-Boatwright, B., 2016. A new statistical approach for interpreting oceanic fCO₂ data. Marine Chemistry, 183, 41-49.

Hu, X., Cai, W.-J., Rabalais, N.N. and Xue, J., 2016. Coupled oxygen and dissolved inorganic carbon dynamics in coastal ocean and its use as a potential indicator for detecting water column oil degradation. Deep-Sea Research Part II, 129, 311-318. (The Gulf of Mexico Ecosystem - before, during and after the Macondo Blowout Special Issue).

Cai, W.-J., Ma, Y., Hopkinson, B.M., Grottoli, A.G., Warner, M.E., Ding, Q., Hu, X., Yuan, X., Schoepf, V., Xu, H., Han, C., Melman, T.F., Hoadley, K.D., Pettay, D.T., Matsui, Y., Baumann, J.H., Levas, S., Ying, Y. and Wang, Y., 2016. Microelectrode characterization of coral daytime interior pH and carbonate chemistry. Nature Communications, 7,11144 doi:10.1038/ncomms11144.

Xue, L., Cai, W.-J., Hu, X., Sabine, C., Jones, S., Sutton, A.J., Jiang, L.-Q. and Reimer, J.J., 2016. Sea surface carbon dioxide at the Georgia time series site (2006-2007): air-sea flux and controlling processes. Progress in Oceanography, 140, 14-26.

Xue, J., Cai, W.-J., Hu, X., Huang, W.-J., Lohrenz, S.E. and Gundersen, K., 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, 8304-8326.

Hoadley, K.D., Pettay, D.T., Grottoli, A.G., Cai, W.-J., Melman, T.F., Schoepf, V., Hu, X., Li, Q., Xu, H., Wang, Y., Matsui, Y., Baumann, J.H. and Warner, M.E., 2015. Physiological response to elevated temperature and pCO2 varies across four Pacific coral species: Understanding the unique host+symbiont response. Scientific Reports, 5, 18371.

Huang, W.J., Cai, W.J., Wang, Y., Hu, X., Chen, B., Lohrenz, S.E., Chakraborty, S., He, R., Brandes, J. and Hopkinson, C.S., 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.

Hu, X., Beseres Pollack, J., McCutcheon, M.R., Montagna, P.A. and Ouyang, Z., 2015. Long-term alkalinity decrease and acidification of estuaries in Northwestern Gulf of Mexico. Environmental Science & Technology, 49, 3401-3409.

Levas, S., Grottoli, A.G., Warner, M.E., Cai, W.J., Bauer, J., Schoepf, V., Baumann, J.H., Matsui, Y., Gearing, C., Melman, T.F., Hoadley, K.D., Pettay, D.T., Hu, X., Li, Q., Xu, H. and Wang, Y., 2015. Organic carbon fluxes mediated by corals at elevated pCO₂ and temperature. Marine Ecology Progress Series, 519, 153-164.

Rabalais, N.N., Cai, W.-J., Carstensen, J., Conley, D.J., Fry, B., Hu, X., Quiñones-Rivera, Z., Rosenberg, R., Slomp, C.P., Turner, R.E., Voss, M., Wissel, B. and Zhang., J., 2014. Eutrohpication-driven deoxygenation in the coastal ocean. Oceanography, 27, 172-183.

Hu., X and Cai, W.-J., 2013. Estuarine acidification and minimum buffer zone - a conceptual study. Geophysical Research Letters, 40, 5176-5181.

Schoepf, V., Grottoli, A.G., Warner, M.E., Cai, W.-J., Melman, T.F., Hoadley, K.D., Pettay, D.T., Hu, X., Li, Q., Xu, H., Wang, Y., Matsui, Y. and Baumann, J.H., 2013. Coral energy reserves and calcification in a high-CO₂ world at two temperatures. PLoS ONE, 8, e75049. doi:10.1371/journal.pone.0075049.

Wang, Z.A., Wanninkhof, R., Cai, W.-J., Byrne, R.H., Hu, X., Peng, T.-H. and Huang, W.-J., 2013. The marine inorganic carbon system along the Gulf of Mexico and Atlantic coasts of the United States: Insights from a transregional coastal carbon study. Limnology and Oceanography, 58, 325-342.

Hopkinson, C.S., Cai, W.-J. and Hu, X., 2012. Carbon sequestration in wetland dominated coastal systems — a global sink of rapidly diminishing magnitude. Current Opinion on Environmental Sustainability, 4, 186-194

Powell, E.N.*, Hu, X.*, Cai, W.-J., Ashton-Alcox, K.A., Parsons-Hubbard, K.M. and Walker, S.E., 2012. Geochemical controls on carbonate shell taphonomy in the northern Gulf of Mexico sediments. Palaios, 27, 571-587 (* equal contribution)

Hu, X., Burdige, D.J. and Zimmerman, R.C., 2012. δ¹³C of seagrass is a signature of light availability and photosynthesis. Limnology and Oceanography, 57, 441-448.

Hu. X and Cai, W.-J., 2011. The impact of denitrification on the atmospheric CO₂ uptake potential of seawater. Marine Chemistry 127, 192-198.

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

Hu, X., Cai, W.-J., Wang, Y., Guo, X. and Luo, S., 2011. Geochemical environments of continental shelf-upper slope sediments in the northern Gulf of Mexico. Palaeogeography, Palaeoclimatology, Palaeoecology, 312 265-277.

Hu. X and Cai, W.-J., 2011. An assessment of ocean margin anaerobic processes on oceanic alkalinity budget. Global Biogeochemical Cycles, GB3003, doi:10.1029/2010GB003859.

Jiang, L.-Q., Cai, W.-J., Feely, R.A., Wang, Y., Guo, X., Gledhill, D.K., Hu, X., Arzayus, F., Chen, F., Hartmann, J. and Zhange, L., 2010. Carbonate mineral saturation states along the U.S. southeastern coast. Limnology and Oceanography, 55 2424-2432.

Burdige, D.J., Hu, X. and Zimmerman, R.C., 2010. The widespread occurrence of carbonate dissolution and reprecipitation in Bahamas Bank sediments. American Journal of Science, 310, 492-521.

Cai, W.-J., Hu, X., Huang, W.-J., Jiang, L.-Q., Wang, Y., Peng, T.-H. and Zhang, X., 2010. Surface ocean alkalinity distribution in the western North Atlantic Ocean margins. Journal Geophysical Research - Oceans, 115, C08014, doi:10.1029/2009JC005482.

Cai, W.-J., Chen, L., Chen, B., Gao, Z., Lee, S.H., Chen, J., Pierrot, D., Sullivan, K., Wang, Y., Hu, X., Huang, W.-J., Zhang, Y., Xu, S., Murata, A., Grebmeier, J.M., Jones, E.P. and Zhang, H., 2010. Decrease in the CO₂ uptake capacity in an ice-free Arctic Ocean basin. Science, 329, 556-559.

Hu, X., Cai, W.-J., Wang, Y., Luo, S. and Guo, X., 2010. Pore-water geochemistry of two contrasting brine-charged seep sites in the northern Gulf of Mexico continental slope. Marine Chemistry, 118, 99-107.

Jiang, L.-Q., Cai, W.-J., Wang, Y., Diaz, J., Yager, P. and Hu, X., 2009. Pelagic community respiration on the continental shelf off Georgia, USA. Biogeochemistry, 98, 101-113.

Hu, X. and Burdige, D.J., 2008. Effect of O₂ input into sediment on carbonate dissolution – a simulation experiment. Journal of Marine Research, 66, 489-527.

Burdige, D.J., Zimmerman, R.C. and Hu, X., 2008. Rates of carbonate dissolution in permeable sediments estimated from pore water profiles: the role of seagrasses. Limnology and Oceanography, 53, 549-565.

Hu, X. and Burdige, D.J., 2007. Enriched stable carbon isotopes in the pore waters of carbonate sediments dominated by seagrasses: evidence for coupled carbonate dissolution and reprecipitation. Geochimica et Cosmochimica Acta, 71, 129-144.

 

REFEREED NON-JOUNRAL PUBLICATIONS

O’Connell, K., Nuttall, M.F., Blakeway1, R.D., Hannum, R., Johnston, M., Eisenbach, O., French, D., Hu, X., Schmahl, G.P. and Sinclair, J., 2024. Stetson Bank Long-Term Monitoring: 2022 Annual Report. National Marine Sanctuaries Conservation Series ONMS-24-01. U.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Ocean Service, Office of National Marine Sanctuaries, Galveston, TX, pp. 55.

Blakeway, R.D., O’Connell, K., Nuttall, M.F., Hannum, R., Johnston, M.A., Hu, X., Hickerson, E.L., Schmahl, G.P. and Sinclair, J., 2022. Stetson Bank long-term monitoring: 2020 and 2021 annual report. National Marine Sanctuaries Conservation Series ONMS-22-02. U.S. Department of Commerce, National Oceanic and Atmospheric Administration, Flower Garden Banks National Marine Sanctuary, Galveston, TX. 26 pp.

Galavotti, H., Vasslides, J., Bohlen, C., Hunt, C.W., Liebman, M., Hu, X., McCutcheon, M.R., Ammerman, J., O’Donnell, J., Howard-Strobel, K., Vella, P., Lehrter, J., Nielsen, K., Largier, J., Ford, T., Steele, A., Yates, K.K., Johnson, Y., Brown, C., Pacella, S.R., 2021. Measuring coastal acidification using in situ sensors in the National Estuary Program. U.S. Environmental Protection Agency, Washington D. C., Document No. EPA-842-R-21001.

Johnston, M.A., O’Connell, K., Blakeway, R.D., MacMillan, J., Nuttall, M.F., Hu, X., Embesi, J.A., Hickerson, E.L. and Schmahl, G.P., 2021. Long-Term Monitoring at East and West Flower Garden Banks: 2019 Annual Report. Marine Sanctuaries Conservation Series ONMS-21-02. U.S. Department of Commerce, National Oceanic and Atmospheric Administration, Flower Garden Banks National Marine Sanctuary, Galveston, TX. 88 pp.

Nuttall, M.F., Blakeway, R., MacMillan, J., Sterne, T., O’Connell, K., Hu, X., Embesi, J.A., Hickerson, E.L., Johnston, M.A., Schmahl, G.P., and Sinclair, J., 2020. Stetson Bank Long-term Monitoring: 20152018 Synthesis Report. National Marine Sanctuaries Conservation Series ONMS-21-01. U.S. Department of Commerce, National Oceanic and Atmospheric Administration, Office of National Marine Sanctuaries, Silver Spring, MD. 165 pp.

Wang, H. and Hu, X., 2020. Multidecadal variations of sea surface CO₂ fugacity (fCO₂) in the Oyashio Current-influenced ocean margin. In: C.-T.A. Chen and X. Guo (Editors), Changing Asia Pacific Marginal Seas. Springer. pp. 245-263.

Johnston, M.A., Blakeway, R.D., O’Connell, K., MacMillan, J., Nuttall, M.F., Hu, X., Embesi, J.A., Hickerson, E.L. and Schmahl, G.P., 2020. Long-Term Monitoring at East and West Flower Garden Banks: 2018 Annual Report. National Marine Sanctuaries Conservation Series ONMS-20-09. U.S. Department of Commerce, National Oceanic and Atmospheric Administration, Flower Garden Banks National Marine Sanctuary, Galveston, TX. 124 pp.

Hu, X., 2019. Ocean acidification studies in the Gulf of Mexico: Current status and future research needs. In: L. McKinney, M. Besonen and K. Withers (Editors), Proceedings: The Gulf of Mexico Workshop on International Research. U.S. Department of the Interior Bureau of Ocean Energy Management, New Orleans, LA, pp. 97-110.

Nuttall, M.F., Blakeway, R.D., MacMillan, J., O’Connell, K., Hu, X., Embesi, J.A., Hickerson, E.L., Johnston, M.A., Schmahl, G.P. and Sinclair, J., 2019. Stetson Bank Long-Term Monitoring: 2018 Annual Report. National Marine Sanctuaries Conservation Series ONMS-19-05. U.S. Department of Commerce, National Oceanic and Atmospheric Administration, Flower Garden Banks National Marine Sanctuary, Galveston, TX. 43pp.

Windham-Myers, L., Cai, W.-J., Alin, S. R., Andersson, A., Crosswell, J., Dunton, K. H., Hernandez-Ayon, J. M., Herrmann, M., Hinson, A. L., Hopkinson, C.S., Howard, J., Hu, X., Knox, S.H., Kroeger, K., Lagomasino, D., Megonigal, P., Najjar, R.G., Paulsen, M.-L., Peteet, D., Pidgeon, E., SchS˙fer, K.V.R., Tzortziou, M., Wang, Z.A. and Watson, E.B., 2018: Chapter 15: Tidal wetlands and estuaries. In Second State of the Carbon Cycle Report (SOCCR2): A Sustained Assessment Report [Cavallaro, N., G. Shrestha, R. Birdsey, M. A. Mayes, R. G. Najjar, S. C. Reed, P. Romero-Lankao, and Z. Zhu (eds.)]. U.S. Global Change Research Program, Washington, DC, USA, pp. 596-648

Fennel, K., Alin, S.R., Barbero, L., Evans, W., Bourgeois, T., Cooley, S.R., Dunne, J., Feely, R.A., Hernandez-Ayon, J.M., Hu, C., Hu, X., Lohrenz, S.E., Muller-Karger, F., Najjar, R.G., Robbins, L., Russell, J., Shadwick, E.H., Siedlecki, S., Steiner, N., Turk, D., Vlahos, P. and Wang, Z.A., 2018: Chapter 16: Coastal ocean and continental shelves. In Second State of the Carbon Cycle Report (SOCCR2): A Sustained Assessment Report [Cavallaro, N., G. Shrestha, R. Birdsey, M. A. Mayes, R. G. Najjar, S. C. Reed, P. Romero-Lankao, and Z. Zhu (eds.)]. U.S. Global Change Research Program, Washington, DC, USA, pp. 649-688.

Johnston, M.A., Sterne, T.K., Blakeway, R.D., MacMillan, J., Nuttall, M.F., Hu, X., Embesi, J.A., Hickerson, E.L. and Schmahl, G.P., 2018. Long-Term Monitoring at East and West Flower Garden Banks: 2017 Annual Report. Marine Sanctuaries Cons ervation Series ONMS-18-02. U.S. Department of Commerce, National Oceanic and Atmospheric Administration, Flower Garden Banks National Marine Sanctuary, Galveston, TX. 124 pp.

Nuttall, M.F., Blakeway, R.D., MacMillan, J., Sterne, T.K., Hu, X., Embesi, J.A., Hickerson, E.L., Johnston, M.A., Schmahl, G.P. and Sinclair. J., 2018. Stetson Bank Long-Term Monitoring: 2017 Annual Report. National Marine Sanctuaries Conservation Series ONMS-19-03. U.S. Department of Commerce, National Oceanic and Atmospheric Administration, Flower Garden Banks National Marine Sanctuary, Galveston, TX. 94pp.

Nuttall, M.F., Sterne, T.K., Eckert, R.J., Hu, X., Sinclair, J., Hickerson, E.L., Embesi, J.A., Johnston, M.J. and Schmahl. G.P., 2018. Stetson Bank Long Term Monitoring: 2016 Annual Report. Marine Sanctuaries Conservation Series ONMS 19-02. U.S. Department of Commerce, National Oceanic and Atmospheric Administration, Flower Garden Banks National Marine Sanctuary, Galveston, TX. 78 pp.

Johnston, M.A., Eckert, R.J., Sterne, T.K., Nuttall, M.F., Hu, X., Embesi, J.A., Hickerson, E.L. and Schmahl, G.P., 2017. Long-Term Monitoring at East and West Flower Garden Banks: 2016 Annual Report. Marine Sanctuaries Conservation Series ONMS-17-09. U.S. Department of Commerce, National Oceanic and Atmospheric Administration, Flower Garden Banks National Marine Sanctuary, Galveston, TX. 132 pp.

Nuttall, M.F., Sterne, T.K., Eckert, R.J., Hu, X., Sinclair, J., Hickerson, E.L., Embesi, J.A., Johnston, M.J. and Schmahl, G.P., ., 2017. Long-Term Monitoring at Stetson Bank, Flower Garden Banks National Marine Sanctuary 2015 Annual Report. U.S. Marine Sanctuaries Conservation Series ONMS-17-06. U.S. Department of Commerce, National Oceanic and Atmospheric Administration, Flower Garden Banks National Marine Sanctuary, Galveston, TX. pp. 98.

Johnston, M.A., Eckert, R.J., Sterne, T.K., Nuttall, M.F., Hu, X., Embesi, J.A., Hickerson, E.L. and Schmahl, G.P., 2016. Long-Term Monitoring at East and West Flower Garden Banks: 2015 Annual Report. U.S. Marine Sanctuaries Conservation Series ONMS-16-02. U.S. Department of Commerce, National Oceanic and Atmospheric Administration, Flower Garden Banks National Marine Sanctuary, Galveston, TX, pp. 86.

 

NON-REFEREED TECHNICAL PUBLICATIONS

Hu, X., McCutcheon, M.R., Murgulet, D., Douglas, A. and Lopez, C.V., 2019. Evaluating groundwater exported acidity in Copano Bay. Scientific report submitted to Texas General Land Office October 2019; p. 50; GLO Contract No. 17-180-000-9817.

Hu, X., Wang, H., 2018. Mechanistic modeling of bottom water dissolved oxygen dynamics in Baffin Bay, Contract #1729. Department of Physical and Environmental Sciences, Texas A&M University-Corpus Christi, Corpus Christi, TX 24 p.

Hu, X., McCutcheon, M.R. and Staryk, C.J., 2018. Ocean and coastal acidification monitoring. Final Report to the Coastal Bend Bays and Estuaries Program, Contract #1605. Department of Physical and Environmental Sciences, Texas A&M University-Corpus Christi, Corpus Christi, TX 24 p.

Montagna, P.A ., Wetz, M.S. and Hu, X., 2017. Monitoring Mid-Coastal Estuaries - 2016. Final Report to the Texas Water Development Board, Contract #1600011924. Texas A&M University - Corpus Christi, Corpus Christi, Texas, 51p

Wetz, M.S. and Hu, X., 2015. Spatial-temporal distribution of organic matter and carbonate chemistry parameters in Texas mid-coast estuaries: 2014-2015. Final Report to the Texas Water Development Board, Contract #1448311639. Department of Life Sciences, Texas A&M University-Corpus Christi, Corpus Christi, TX, 12 p.

Robbins, L.L., Wanninkhof, R., Barbero, L., Hu, X., Mitra, S., Yvon-Lewis, S., Cai, W.-J., Huang, and W.-J., Ryerson, T., 2014. Air-sea exchange. In: H.M. Benway, P. Coble (Eds.), Report of The U.S. Gulf of Mexico Carbon Cycle Synthesis Workshop, March 27-28 2013, Ocean Carbon and Biogeochemistry Program and North American Carbon Program, pp. 17-20.

Pilskaln, C., Burdige, D.J., Cai, W.-J., Canuel, E. and Hu, X., 2012. Sediment-water exchange. In: Najjar, R.G., Friedrichs, M.A.M., Cai, W.-J. (Eds.), Report of The U.S. East Coast Carbon Cycle Synthesis Workshop, January 19-20 2012, Ocean Carbon and Biogeochemistry Program and North American Carbon Program pp. 11-12.

CONFERENCE AND WORKSHOP PRESENTATIONS ("_" denotes mentee author)

Jundt., E.P., Hu, X. and Barbero, L. 2023. Statistical Models for pH and Aragonite Saturation State in the Gulf of Mexico. Ocean Carbon & Biogeochemistry Summer Workship, Woods Hold, MA.

Hu, X., DiMarco, S.F., Barbero, L., Kobashi, D., Jin, L., Gayanilo, F. 2023. Carbonate chemistry variability in subsurface waters of the northwestern Gulf of Mexico. NOAA Ocean Acidification Community Meeting. San Diego, CA.

Jundt, E.P.,  Hu, X. and Barbero, L. 2022. Multilinear Regression Model for Aragonite Saturation State Estimation in the Northwestern Gulf of Mexico. Ocean Sciences Meeting (virtual).

Hu, X., Barbero, L., DiMarco, S.F., Jundt, E.P., Staryk, C.J., Jin, L., Kobashi, D., Kumbula, N. and Yin, H. 2022. Subsurface acidification in the northwestern Gulf of Mexico. Ocean Sciences Meeting (virtual).

Osborne, E.B., Hu, X. et al., 2021. Ocean Acidification in the Gulf of Mexico: Drivers, Impacts, and Unknowns. 26^th Biannual Conference of the Coastal and Estuarine Research Federation (virtual). (presenter).

Hu, X., Yao, H., McCutcheon, M.R., Starky, C.J. and Dias, L., 2020. Carbonate Chemistry in Estuaries Along a Hydrological Gradient in the Northwestern Gulf of Mexico. Ocean Sciences Meeting. San Diego, CA.

McCutcheon, M.R., Hu, X., Murgulet, D., Douglas, A.R. and Lopez, C.V., 2020. Examining the relationship between alkalinity and submarine groundwater discharge in a semi-arid estuary. Ocean Sciences Meeting. San Diego, CA.

Hu, X. and McCutcheon, M.R. 2020. Buffer capacity of estuaries in the northwesten Gulf of Mexico. NOAA OA Community Meeting and Mini-Symposium, Miami, FL. (Presenter - McCutcheon)

Dias, L.M. and Hu, X., 2019. Carbonate system dynamics in Galveston Bay. 25^th Biannual Conference of the Coastal and Estuarine Research Federation, Mobile, AL.

McCutcheon, M.R., Yao, H., Staryk, C.J. and Hu, X 2019. Temporal variability and driving factors of the carbonate system in an estuary with long-term acidification. 25^th Biannual Conference of the Coastal and Estuarine Research Federation, Mobile, AL.

Hu, X., 2018. Effect of organic alkalinity on seawater buffer capacity - A numercial exploration. American Geophysical Union Fall Meeting, Washington, DC.

McCutcheon, M.R. and Hu, X., 2018. Temporal variability and driving factors of the carbonate system in the tidal inlet of a semiarid estuary. Gulf Estuarine Research Society Fall Meeting, Galveston, TX.

Dias, L.M., Hu, X. and Murgulet, D., 2018. Factors influencing the alkalinity of a south Texas estuary. Gulf Estuarine Research Society 2018 Fall Meeting, Galveston, TX.

Hu, X., 2018. Two tales of one storm. Harvey Research Symposium. Port Aransas, TX.

Yao, H., Hu, X. and Montagna, P.A., 2018. CO₂ flux in northwestern Gulf of Mexico estuaries - a hydrological control? ASLO 2018 Summer Meeting. Victoria, Canada.

McCutcheon, M.R. and Hu, X., 2018. Understanding uncertainties in the changing carbon budget of estuaries: A case study in the northwestern Gulf of Mexico. ASLO 2018 Summer Meeting. Victoria, Canada.

Hu, X., 2018. Temporal Variations in Carbonate Chemistry and Decadal Acidification in Flower Garden Banks Marine Sanctuary. Mini-Symposium: 2016 Flower Garden Banks Localized Mortality Event. Galveston, TX.

Hu, X., Staryk, C.J., McCutcheon, M.R., Yao, H., Wetz, M.S. and Montagna, P.A., 2018. Extreme weather event induced changes in estuarine CO₂ flux and carbon cycle. Ocean Sciences Meeting. Portland, OR.

Wang, H. and Hu, X., 2018. Decadal fCO₂ Trends in Western Boundary Current- and Eastern Boundary Current-influenced Areas. Ocean Sciences Meeting. Portland, OR.

Montagna, P. A., Hu, X., L. Walker, M.S. Wetz., 201. Biogeochemical Impact of Hurricane Harvey on Texas Coastal Lagoons. Ocean Sciences Meeting. Portland, OR.

Huang, W.-J., Cai, W.-J., Hu, X., Y. Wang., 2018. Mixing and Biological Controls of Carbonate Saturation State in the Mississippi River Dominated Ocean Margin (Northern Gulf of Mexico). Ocean Sciences Meeting. Portland, OR.

Hu, X., Wang, H., Wetz, M.S. and K.C. Hayes., 2017. Modeling of Dissolved Oxygen and pH Dynamics in Baffin Bay. 24^th Biannual Conference of the Coastal and Estuarine Research Federation. Providence, RI.

Staryk, C.J., McCutcheon, M.R. and Hu, X., 2017. Seasonal hypoxia and high buffer capacity in a shallow subtropical estuary. 24^th Biannual Conference of the Coastal and Estuarine Research Federation. Providence, RI.

Wang, H., Rabalais, N.N. and Hu, X., 2017. Multi-decadal acidification enhanced by eutrophication in the northern Gulf of Mexico. 24^th Biannual Conference of the Coastal and Estuarine Research Federation. Providence, RI.

Hayes, K.C., Wetz, M.S., Wang, H. and Hu, X., 2017. Identification of organic matter sources contributing to hypoxia in two eutrophic South Texas estuaries. 24^th Biannual Conference of the Coastal and Estuarine Research Federation. Providence, RI.

Yao, H and Hu, X., 2017. Hydrologic control on CO₂ fluxes in subtropical estuaries. 24^th Biannual Conference of the Coastal and Estuarine Research Federation. Providence, RI.

McCutcheon, M.R. and Hu, X., 2017. CO₂ flux and long-term pCO₂ trends of the estuaries of the Northwestern Gulf of Mexico. 24^th Biannual Conference of the Coastal and Estuarine Research Federation. Providence, RI.

Wang, H. and Hu, X., 2017. Multi-decadal fCO₂ trends in Western Boundary Current- and Eastern Boundary Current-Dominated Margins. Ocean Carbon Hot Spots Workshop (U.S. CLIVAR), Moss Landing, CA.

McCutcheon, M.R. and Hu, X., 2017. CO₂ flux and long-term pCO₂ trends of the estuaries of the Northwestern Gulf of Mexico. Gordon Research Conference on Chemical Oceanography, New London, NH.

Yao, H. and Hu, X., 2017. Hydrologic control on CO₂ fluxes in subtropical estuaries. Gordon Research Conference on Chemical Oceanography, New London, NH.

K.C. Hayes, Wetz, M.S., E.K. Cira, Wang, H. and Hu, X., 2017. Is Baffin Bay ‘Eutrophic’?., 2017 Texas Bays and Estuaries Meeting, Port Aransas, TX.

Wang, H., Hu, X., Wetz, M.S. and K. Hayes., 2017. Numerical Modeling of Oxygen Dynamics in Baffin Bay., 2017 Texas Bays and Estuaries Meeting, Port Aransas, TX.

Yao, H. and Hu, X., 2017. Hydrologic control on subtropical estuarine CO₂ fluxes., 2017 Texas Bays and Estuaries Meeting, Port Aransas, TX.

Yao. H and Hu, X., 2017. Hydrologic control on subtropical estuarine CO₂ fluxes. Joint NACP and AmeriFlux Principal Investigators Meeting, North Bethesda, MD.

Hu, X., 2017. Dealkalization of estuaries in the northwestern Gulf of Mexico. NOAA Ocean Acidification Program PI meeting, Seattle, WA.

Wang, H., Hayes, K.C., Wetz, M.S. and Hu, X., 2016. Identification of organic matter that drives oxygen consumption in Baffin Bay, TX. Gulf Estuarine Research Society 2016 Fall Meeting, Pensacola, FL.

McCutcheon, M.R. and Hu, X., 2016. Estimating air-sea CO₂ flux and long-term pCO₂ trends of the northwestern Gulf of Mexico estuaries. Gulf Estuarine Research Society 2016 Fall Meeting, Pensacola, FL.

Hu, X., Rabalais, N.N., Turner, R.E., 2016. Eutrophication, storm, and benthic respiration: a case study on carbonate chemistry in the northern Gulf of Mexico. Gulf Estuarine Research Society 2016 Fall Meeting, Pensacola, FL.

Hu, X., Yao, H. and Starky, C.J., 2016. Mysterious alkalinity loss during a drought year (2014) in the Mission-Aransas Estuary. 12^th Texas Bays and Estuaries Meeting, Port Aransas, TX.

Wang, H.,Hayes, K.C., Wetz, M.S. and Hu, X., 2016. A stable isotope study on organic matter driving oxygen consumption in two south Texas estuaries. 12^th Texas Bays and Estuaries Meeting, Port Aransas, TX.

K.C. Hayes, Cira, E.K., Wang, H., Hu, X. and Wetz, M.S., 2016. Spatial and temporal distribution of organic carbon and nitrogen in a eutrophic estuary (Baffin Bay, TX). 12^th Texas Bays and Estuaries Meeting, Port Aransas, TX.

McCutcheon, M.R. and Hu, X., 2016. Long-term trends and spatial variability of pCO₂ in the Texas estuaries. 12^th Texas Bays and Estuaries Meeting, Port Aransas, TX.

M. Trevino, Murgulet, D., Hu, X., Douglas, A. and Spalt, N., 2016. Alkalinity dynamics in groundwater affected secondary bay in south Texas . 12^th Texas Bays and Estuaries Meeting, Port Aransas, TX.

Wang, H., Hu, X., Cai, W.-J. and Rabalais, N.N., 2016. Comparison of fCO₂ trends in a river dominated and an ocean dominated ocean margins. Ocean Sciences Meeting, New Orleans, LA.

Wang, H., Hu, X. and Rabalais, N.N., 2016. What Drives Oxygen Consumption in the Northern Gulf of Mexico? – A Stable Isotope Perspective. Ocean Sciences Meeting, New Orleans, LA.

Yao, H. and Hu, X., 2016. Seasonality of Carbonate Chemistry and CO₂ Flux in a Northwestern Gulf of Mexico Estuary. Ocean Sciences Meeting, New Orleans, LA.

McCutcheon, M.R. and Hu, X., 2016. Exploring relationships of calcification rate with respiration rate and predator cue presence in juvenile Crassostrea virginica. Ocean Sciences Meeting, New Orleans, LA.

Huang, W.-J., Cai, W.-J., Wang, Y. and Hu, X., 2016. Spatial and Temporal Distributions of Carbonate Saturation State on the Mississippi River Dominated Northern Gulf of Mexico. Ocean Sciences Meeting, New Orleans, LA.

Wang, Q., Evans, M., Bacosa, H., Hu, X. and Liu, Z., 2016. The Fate of Crude Oil during Photooxidation under Natural Sunlight. Ocean Sciences Meeting, New Orleans, LA.

Reimer, J., Cai, W.-J., Noakes, S., Hu, X., Chen, B., Wang, A.Z., Jiang, L. and Salisbury, J., 2016. pCO₂ time series ground truthing and internal consistency at the Gray’s Reef mooring (NDBC-41008) in the South Atlantic Bight. Ocean Sciences Meeting, New Orleans, LA.

Hu, X., Staryk, C.J. and Yao, H., 2015. Acidification of a shallow Subtropical Estuary - Reduced Freshwater Inflow, Hypoxia, and Ocean Acidification". 23^rd Biannual Conference of the Coastal and Estuarine Research Federation. Portland, OR.

Wang, H., Heyes, K.C., Wetz, M.S. and Hu, X., 2015. A Stable Isotope Study on Organic Matter Driving Oxygen Consumption in Two South Texas Estuaries. 23^rd Biannual Conference of the Coastal and Estuarine Research Federation. Portland, OR.

Wang, H., Sterba-Boatwright, B. and Hu, X., 2015. A new statistical approach finterpreting or ocean fCO₂ record. Gordon Research Conference on Chemical Oceanography, Holderness, NH.

Yao, H. and Hu, X., 2015. Alkalinity dynamics in a South Texas estuary. 11^th Texas Bays and Estuaries Meeting, Port Aransas, TX.

Wang, H., Hu, X., Cai, W.-J., Rabalais, N.N., Huang, W.-J. and Xue, J., 2015. Evidence of Cross-shelf Inorganic Carbon Export in the Northern Gulf of Mexico. Gulf of Mexico Oil Spill & Ecosystem Science Conference. Houston, TX.

Hu, X., Bacosa, H. and Liu, Z., 2015. Photo-oxidation of Louisiana Sweet Crude Oil in Gulf Waters- A Preliminary Result. Gulf of Mexico Oil Spill & Ecosystem Science Conference. Houston, TX.

Hu, X., 2014. Long-term alkalinity decrease and acidification of estuaries in southwestern United States. Coastal CARbon Synthesis (CCARS) Community Workshop. Woods Hole, MA.

McCutcheon, M.R., Hu, X., Beres Pollack, J., Montagna, P.A. and Ouyang., Z., 2014. Long-term alkalinity decline in dewatering Texas estuaries". 10^th Texas Bays and Estuaries Meeting. (1^st Prize student poster).

Hu, X., 2014. Exploring estuarine acidification and minumum buffer zone. Ocean Sciences Meeting. Honolulu, HI.

Wang, H., Hu, X., Turner, R.E., Cai, W., Rabalais, N.N., 2014. Stable isotope composition of remineralizing organic carbon In the Northern Gulf of Mexico continental shelf sediments. Gulf of Mexico Oil Spill & Ecosystem Science Conference. Mobile, AL.

Xue, J., Cai, W.-J., Hu, X., Huang, W.-J., 2014. Relative rates and stoichiometry ratios of organic matter respiration in bottom water of the northern Gulf of Mexico during summertime. Gulf of Mexico Oil Spill & Ecosystem Science Conference. Mobile, AL.

Rabalais, N.N., Smith, L.M., Turner, R.E., Overton, E.B., Hu, X., Cai, W.-J., 2014. Deepwater Horizon Oil Spill and Gulf of Mexico Shelf Hypoxia. Gulf of Mexico Oil Spill & Ecosystem Science Conference. Mobile, AL.

Hu, X., Cai, W.-J. and Rabalais, N.N., 2013. Organic carbon remineralization stoichiometry - a useful indicator for detecting oil degradation in water column. Gulf of Mexico Oil Spill & Ecosystem Science Conference. New Orleans, LA.

Schoef, V., Hu, X., Grottoli, A.G., Cai, W.-J., Warner, M.E., Melman, T., Xu, H., Li, Q., Wang, Y., Hoadley, K.,. Pettay, D.T, Baumann, J. and Matsui, Y., 2012. Coral calcification under elevated pCO₂ and temperature: A Comparison of the buoyant weight and alkalinity anomaly method. Third Symposium on Ocean in a High CO₂ world. Monterey, CA.

Hu, X., Cai, W.-J. and Rabalais, N.N., 2011. Remineralization of petroleum hydrocarbon in the hypoxic bottom waters in the northern Gulf of Mexico in July 2010. Deepwater Horizon Oil Spill Principal Investigator One Year Update Workshop. St. Petersburg, FL.

Hu, X. and Cai, W.-J.2010. An assessment of continental shelf anaerobic processes on oceanic alkalinity budget. AGU Fall Meeting, San Francisco, CA.

Huang, W.-J., Hu, X. and Cai, W.-J., 2010. Biogeochemical controls on carbonate saturation and pH in coastal oceans influenced by large rivers. AGU Fall Meeting, San Francisco, CA.

Cai, W.-J., Hu, X., Huang, W.-J., Murrell, M.C., Lehrter, J.C., Lohrenz, S.E., Wang, Y., Guo, X., Chen, F. and Gundersen, K., 2010. Enhanced ocean acidification in the northern Gulf of Mexico hypoxic bottom waters. AGU Fall Meeting, San Francisco, CA.

Hu, X. , Cai, W.-J., Huang, W.-J., Wang, Y., Guo, X., Chen, B. and Xue, L., 2010. Enhanced acidification of the northern Gulf of Mexico shelf waters caused by hypoxia. OCB Summer Workshop, San Diego, CA.

Hu, X., Burdige, D.J. and Zimmerman, R.C., 2009. Light controls carbon isotope signatures of turtlegrass across the Great Bahamas Bank. CERF meeting, Portland, OR.

Hu, X., Cai, W.-J. and Peng, T.-H., 2008. Increase in anthropogenic CO2 in the Caribbean Sea over the period of 1997-2003 and its implications toward the carbon cycle in the Gulf of Mexico. AGU Fall Meeting, San Francisco, CA.

Cai, W.-J., Hu, X., Huang, W.-J., Jiang, L.-Q., Wang, Y., Peng, T.-H., 2008. Surface Ocean Alkalinity Distribution in the Western North Atlantic Ocean Margins. AGU Fall Meeting, San Francisco, CA.

Hu, X., Cai, W.-J., Wang, Y. and Guo, X., 2008. Carbon cycling in two brine water charged cold seep sediments in the northern Gulf of Mexico. The 14th Ocean Sciences Meeting, Orlando, FL.

Cai, W.-J., Jiang, L.-Q., Wang, Y., Hu, X., Bauer, J., DeAlteris, J. and Hopkinson, C., 2008. Spatial and temporal variability of carbon dioxide signals and the biogeochemical controls in the South Atlantic Bight. The 14th Ocean Sciences Meeting, Orlando, FL.

Burdige, D.J., Hu, X. and Zimmerman, R.C., 2007. Carbonate dissolution in shallow water carbonate platform sediments. Ocean Acidification Workshop, Scripps Institution of Oceanography, La Jolla, CA.

Hu, X. ., 2007. Seagrass-mediated carbonate dissolution and early diagenesis in the Bahamas Bank sediments. The University of Georgia.

Burdige, D.J., Hu, X. and Zimmerman, R.C., 2006. Carbonate dissolution rates in permeable carbonate platform sediments. Gordon Research Conference on Permeable Sediments, Waterville, ME.

Burdige, D.J., Hu, X. and Zimmerman, R.C., 2006. Quantifying carbonate dissolution rates in shallow water carbonate platform sediments. The 13 th Ocean Sciences Meeting, Honolulu HI.

Hu, X. . and Burdige, D.J., 2005. Pore water carbonate recrystallization - an observation from an incubation study. Gordon Research Conference on Chemical Oceanography, Tilton, NH.

Burdige, D.J., Hu, X. and Zimmerman, R.C., 2005. A carbonate dissolution budget for shallow water carbonate platforms. Gordon Research Conference on Chemical Oceanography, Tilton, NH.

Burdige, D.J. and Hu, X 2005. Isotopic evidence for shallow-water carbonate dissolution and reprecipitation. The 15 th Annual Goldschmidt Conference, Moscow, ID.

Hu, X. and Burdige, D.J., 2004. Stable carbon isotopes in tropical sediment pore waters. The 12th Ocean Sciences Meeting, Portland, OR.

Hu, X. and Burdige, D.J., 2003. The role of oxygen input on sedimentary carbonate dissolution - a simulation experiment. Gordon Research Conference on Chemical Oceanography, Tilton, NH.

Hu, X. and Burdige, D.J., 2003. Dissolved carbohydrates and dissolved organic carbon in carbonate sediments, Lee Stocking Island, Bahamas. Aquatic Sciences Meeting, Salt Lake City, UT.

Talks

“Ocean Acidification and NSF CAREER” - Office of Research and Innovation Research Café - Texas A&M University-Corpus Christi (May 13, 2022).

"Carbonate Chemistry Trends in Estuaries along a Climate Gradient - Symptoms and Causes" - College of Marine Science, University of South Florida (October 29 2021).

"Acidification of Texas Estuaries" - Monitoring and Research Subcommittee of the Galveston Bay Estuary Program (December 9 2020). 

"Carbonate Chemistry of Estuaries Along a Climatic Gradient" - OneNOAA Seiminar Series (January 16 2020).

"Ocean Acidification in the Northwestern Gulf of Mexico” - Gulf of Mexico Coastal Ocean Observing Network (G-CAN) Webinar (August 21 2019).

"Decadal changes in the carbonate chemistry in northern Gulf of Mexico waters - Rising CO₂, “leaked” nutrient and potential sea changes" - T.W. Bennett Symposium, University of Southern Mississippi, Ocean Springs, MS (March 21 2019).

"Estuarine Acidification - Through the Looking Glass" - Department of Oceanography, Texas A&M University, College Station, TX (April 16 2018).

"Estuarine Acidification, A Subtropical (Texas) Flavor” - Gulf of Mexico Coastal Ocean Observing Network (G-CAN) Webinar (May 18 2017).

“Ocean Acidification – Myths, Facts, and a Case Study in a South Texas Estuary” - Harte Institute for Gulf of Mexico Studies, Corpus Christi, TX. (February 19 2016).

"Estuarine Acidification in the Context of Ocean Acidification a Theoretical Exploration" - TAMU Galveston Marine Biology Seminar Series, Department of Marine Biology - TAMU Galveston, Galveston, TX. (November 21 2013).

"Estuarine Acidification in the Context of Ocean Acidification a Theoretical Exploration" - UTMSI Technician Seminar Series, University of Texas Marine Science Institute, Port Aransas, TX. (October 25 2013).

"Estuarine Acidification – Controls and Implications" - Harte Institute for Gulf of Mexico Studies, Corpus Christi, TX. (April 12 2013).

 

FUNDED RESEARCH

Current

Coastal Bend Bays and Estuaries Program - "Ocean and Coastal Acidification Monitoring" - (01/01/2024-03/31/2024) (PI)

National Science Foundation – “Collaborative Research: A hydrological seesaw and its effect on alkalinity dynamics in estuaries along a climate gradient” – (09/01/2023-08/31/2026) (PI)

Louisiana State University – " Impacts of Transient Events on Ecosystem Resistance and Resilience along the Western Gulf of Mexico Coast" – (11/2022-11/2025) (co-PI)

National Science Foundation – “NRT-Stakeholder-Guided Environmental Science” – (05/01/2022-04/30/2026) (co-PI)

USDA-Natural Resources Conservation Services – “Gulf Coast VESU 68-3A75-17-4669. Help to gain better understanding of living shorelines in blue carbon capture & storage in support of climate smart conservation practices” – (09/17/2021 – 11/08/2024) (co-PI)

National Oceanic and Atmospheric Administration – “NOAA Center for Coastal and Marine Ecosystems” – (09/01/2023 – 08/31/2024) (co-PI)

University of Southern Mississippi/National Oceanic and Atmospheric Administration – “Addressing the Impacts of Multiple Stressors on Shellfish Aquaculture through Research/Industry Partnerships” – (09/01/2021-08/31/2024) (TAMUCC PI)

NOAA Ocean Acidification Program - "Ocean Acidification on a Crossroad - Enhanced Respiration, Upwelling, Increasing Atmospheric CO₂, and their interactions in the northwestern Gulf of Mexico" (09/01/2019-08/31/2024) (PI)

Past

Texas General Land Office - “Freshwater Inflows to Texas Bays and Estuaries: A State-Wide Review, Synthesis, and Recommendations” (04/01/2021 – 03/31/2023) (co-PI)

NOAA/Texas Sea Grant – “Ocean Acidification Graduate Fellowship: Impacts of freshwater on ocean acidification for three northwestern Gulf of Mexico estuaries” (09/01/2020 – 08/31/2022) (PI, with Larissa Dias as the fellowship recipient)

National Science Foundation – "CAREER: The Impact of Hydrologic State on CO₂ Flux and Acidification in Subtropical Estuaries" (05/01/2017-04/30/2023 with NCE) (PI)

TAMUCC Texas Comprehensive Research Fund - "Quantifying Estuarine CO₂ Flux Using Chamber and Eddy Covariance Methods" (09/01/2018-08/31/2019) (PI, internal grant)

Gulf Research Program of the National Academy of Sciences – "Ocean and Coastal Acidification Monitoring at Aransas Ship Channel" (04/01/2018-03/31/2019) (PI)

National Science Foundation – “RAPID: Capturing the Signature of Hurricane Harvey on Texas Coastal Lagoons” (10/01/2017-08/31/2019) (co-PI)

Texas General Land Office - “Evaluating Groundwater Exported Acidity in Copano Bay” –  (10/1/2016-3/31/2019) (PI)

Coastal Bend Bays and Estuaries Program - "Mechanistic Modeling of Bottom Water Dissolved Oxygen Dynamics in Baffin Bay" - (09/01/2016-02/28/2018) (PI)

Texas Water Development Board - "Water Quality Monitoring of Mid-Coast Estuaries." - (01/01/2016-06/30/2017) (co-PI)

Coastal Bend Bays and Estuaries Program - "Ocean and Coastal Acidification Monitoring" - (11/01/2015-10/31/2017) (PI)

NOAA – “The Hydrological Switch: A Novel Mechanism Explains Eutrophication and Acidification of Estuaries” – (09/01/2015 – 08/31/2019) (co-PI)

TAMUCC Texas Research Development Fund - "Alkalinity Decline and Acidification in Dewatering Estuaries." - (09/01/2014-08/31/2015) (PI, internal grant)

Texas Sea Grant - "Identification of Organic Matter Sources Contributing to Hypoxia Formation in Two Eutrophic South Texas Estuaries: Relationships to Watershed Land use Practices." - (02/01/2014-08/31/2017) (co-PI)

Texas Water Development Board - "Water Quality Monitoring of Mid-Coast Estuaries." - (07/01/2014-06/30/2015) (co-PI)

National Science Foundation - "MRI: Acquisition of Elemental Stable Isotope Chemistry (ESIC) Mass Spectrometer" - (10/1/2013-09/30/2014) (co-PI)

TAMUCC Research Enhancement Fund - "Estuarine Minimum Buffer Zone - a Proof of Concept" - (09/01/2013-08/31/2014) (PI, internal grant)

Gulf Research Initiative - "Dynamics of Dissolved Inorganic Carbon and Dissolved Oxygen Following Natural or Man-made Petroleum Carbon Release into Marine Environments" - (12/01/2012-08/31/2016) (TAMUCC PI)

Gulf Research Initiative - "Impact of Oil Spill on Summer Hypoxia and Water Chemistry in the Northern Gulf of Mexico" - (06/2011-11/2011) (co-PI)

 

PROFESSIONAL AFFILIATIONS

• American Geophysical Union
• Association for the Sciences of Limnology and Oceanography
• Coastal and Estuarine Research Federation
• European Geophysical Union
• Gulf of Mexico Coastal Ocean Observing System

 

PROPOSAL REVIEWS FOR

• University of Sharjah, United Arab Emirates
• Ministry of Science and Technology, Taiwan, Republic of China
• American Chemical Society - Petroleum Research Fund
• Fonds de recherche du Québec
• National Oceanic and Atmospheric Administration
• National Science Foundation
• Schmidt Ocean Institute
• State Sea Grant Programs

 

MANUSCRIPT REVIEWS FOR

• Aquatic Geochemistry
• Aquatic Microbial Ecology
• Biogeosciences
• Chemical Geology
• Continental Shelf Research
• Deep-Sea Research I
• Deep-Sea Research II
• Earth System Science Data
• Elementa: Science of the Anthropocene
• Environmental Science and Pollution Research
• Environmental Science & Technology
• Estuaries and Coasts
• Estuarine, Coastal and Shelf Science
• Frontiers in Marine Science
• Geochimica et Cosmochimica Acta
• Geophysical Research Letters
• Global Biogeochemical Cycles
• Journal of Chemical Education
• Journal of Geophysical Research - Biogeosciences
• Journal of Geophysical Research - Oceans
• Journal of Marine Systems
• Journal of Oceanography
• Limnology and Oceanography
• Limnology and Oceanography: Methods
• Marine Chemistry
• Marine and Freshwater Research
• Marine Pollution Bulletin
• Nature Communications
• Ocean Modelling
• Palaeogeography, Palaeoclimatology, Palaeoecology
• Rapid Communications in Mass Spectrometry
• Royal Society Open Science
• Science
• Science of The Total Environment
• Scientific Reports
  
• Terrestrial Atmospheric and Oceanic Sciences
• The ISME Journal

 

WORK REPORT REVIEW FOR

• U.S. Congressional Research Service - “Ocean Acidification”

 

PROFESSIONAL, COMMUNITY AND UNIVERSITY SERVICES

• Member, College of Engineering Promotion and Tenure Committee (Dean's appointee), 2023-2024.
• Member, University Research Compliance Task Force, 2023-.
• University Representative, Federal Demonstration Partnership, 2023-.
• Chair, Operations & Communication for Sponsored Programs of the Council for Principal Investigators and Research Administrators, 2023-.
• Election Officer, Gulf of Mexico Coastal Ocean Observing System, 2023.
• Member, College of Science Scholarship Committee, Texas A&M University-Corpus Christi 2022-.
• Search Committee Member, Associate Vice President for Research and Innovation, Texas A&M University-Corpus Christi, 2022.
• Member, Council of Principal Investigators and Research Administrators, Texas A&M University-Corpus Christi, 2021-.
• Member, U.S. Ocean Carbon & Biogeochemistry Program Scientific Steering Committee 2021-2023   
• NOAA Panelist, 2020.
• NSF Panelist, 2020.
• Member, Promotion&Tenure Task Force, Texas A&M University-Corpus Christi, 2019-2020.
• Member, University Curriculum Committee, Texas A&M University-Corpus Christi, 2019-2022.
• Chair, Curriculum Subcommittee of the Graduate Council, Texas A&M University-Corpus Christi, 2019-.
• Sea Grant Panelist, 2019.
• NSF Panelist 2019.
• Member, Steering Committee, Gulf of Mexico Coastal Acidification Network (G-CAN), 2017-.
• Wes Tunnel Distinguished Lecturers Selection Committee - College of Science and Engineering, Texas A&M University-Corpus Christi, 2017-2019.
• Member, Environmental Council, Texas A&M University-Corpus Christi, 2016-.
• Member, Graduate Council, Texas A&M University-Corpus Christi, 2016-2022.
• Strategic Plan Steering Committee, College of Science and Engineering, Texas A&M University-Corpus Christi, 2014-2017.
• Guest Speaker for 4th Grade's "Ocean Planning Week", Windsor Park Elementary School, Corpus Christi, TX, (April 4 2016).
• Search Committee Member, Tenure-Track Faculty Search for the Department of Physical and Environmental Sciences, College of Science and Engineering, Texas A&M University-Corpus Christi, 2014-2015.
• Search Committee Chair, Tenure-Track Faculty Search for the Department of Physical and Environmental Sciences, College of Science and Engineering, Texas A&M University-Corpus Christi, 2014-2015.
• Search Committee Cochair, Tenure-Track Faculty Search for the Department of Physical and Environmental Sciences, College of Science and Engineering, Texas A&M University-Corpus Christi, 2013-2014.
• Search Committee Member, Department Chair Search for the Department of Physical and Environmental Sciences, College of Science and Engineering, Texas A&M University-Corpus Christi, 2013-2014.
• Search Committee Member, Tenure-Track Faculty Search for the Department of Life Sciences, College of Science and Engineering, Texas A&M University-Corpus Christi, 2013-2014.