Wirth, T., Takeshita, Y., Davis, B., Park, E., Hu, I., Huffard, C. L., Johnson, K. S., Nicholson, D., Staudinger, C., Warren, J. K., & Martz, T. (2024). Assessment of a pH optode for oceanographic moored and profiling applications. Limnology and Oceanography: Methods, lom3.10646. https://doi.org/10.1002/lom3.10646

Skelton, Z. R., McCormick, L. R., Kwan, G. T., Lonthair, J., Neira, C., Clements, S. M., Martz, T. R., Bresnahan, P. J., Send, U., Giddings, S. N., Sevadjian, J. C., Jaeger, S., Feit, A., Frable, B. W., Zerofski, P. J., Torres, M., Crooks, J. A., McCullough, J., Carter, M. L., … Wegner, N. C. (2024). Organismal responses to deteriorating water quality during the historic 2020 red tide off Southern California. Elem Sci Anth, 12(1), 00067. https://doi.org/10.1525/elementa.2023.00067

Gonski, S. F., Luther, G. W., Kelley, A. L., Martz, T. R., Roberts, E. G., Li, X., Dong, B., Watson, J. A., Wirth, T. S., Hussain, N., Feris Serrano, R. J., Hale, E., & Cai, W.-J. (2024). A half-cell reaction approach for pH calculation using a solid-state chloride ion-selective electrode with a hydrogen ion-selective ion-sensitive field effect transistor. Marine Chemistry, 261, 104373. https://doi.org/10.1016/j.marchem.2024.104373

Wolfe, W. H., Martz, T. R., Dickson, A. G., Goericke, R., & Ohman, M. D. (2023). A 37-year record of ocean acidification in the Southern California current. Communications Earth & Environment, 4(1), 406. https://doi.org/10.1038/s43247-023-01065-0

Li, H., Zheng, S., Tan, Q.-G., Zhan, L., Martz, T. R., & Ma, J. (2023). Toward Citizen Science-Based Ocean Acidification Observations Using Smartphone Devices. Analytical Chemistry, 95(41), 15409–15417. https://doi.org/10.1021/acs.analchem.3c03720

Shipley, K., Martz, T., Hales, B., Giddings, S. N., & Andersson, A. (2023). Physical and Biological Controls on the Annual CO2 Cycle in Agua Hedionda Lagoon, Carlsbad, CA. Estuaries and Coasts. https://doi.org/10.1007/s12237-023-01283-x

Gonski, S. F., Ullman, W. J., Pettay, D. T., Booksh, K. S., Martz, T. R., Luther, G. W., & Cai, W.-J. (2023). Understanding the dynamic response of Durafet-based sensors: A case study from the Murderkill Estuary-Delaware Bay system (Delaware, USA). Estuarine, Coastal and Shelf Science, 283, 108247. https://doi.org/10.1016/j.ecss.2023.108247

Pezner, A. K., Courtney, T. A., Barkley, H. C., Chou, W.-C., Chu, H.-C., Clements, S. M., Cyronak, T., DeGrandpre, M. D., Kekuewa, S. A. H., Kline, D. I., Liang, Y.-B., Martz, T. R., Mitarai, S., Page, H. N., Rintoul, M. S., Smith, J. E., Soong, K., Takeshita, Y., Tresguerres, M., … Andersson, A. J. (2023). Increasing hypoxia on global coral reefs under ocean warming. Nature Climate Change, 13(4), 403–409. https://doi.org/10.1038/s41558-023-01619-2

University of North Carolina Wilmington, Bresnahan, P., Farquhar, E., Portelli, D., Tydings, M., Wirth, T., & Martz, T. (2023). A Low-Cost Carbon Dioxide Monitoring System for Coastal and Estuarine Sensor Networks. Oceanography. https://doi.org/10.5670/oceanog.2023.s1.4

Shipley, K., Martz, T., Bresnahan, P., & Wirth, T. (2022). Metabolic rates in the Agua Hedionda Lagoon during the 2020 Southern California red tide event. Elementa: Science of the Anthropocene, 10(1), 00018. https://doi.org/10.1525/elementa.2022.00018

Crocker, D. R., Kaluarachchi, C. P., Cao, R., Dinasquet, J., Franklin, E. B., Morris, C. K., Amiri, S., Petras, D., Nguyen, T., Torres, R. R., Martz, T. R., Malfatti, F., Goldstein, A. H., Tivanski, A. V., Prather, K. A., & Thiemens, M. H. (2022). Isotopic Insights into Organic Composition Differences between Supermicron and Submicron Sea Spray Aerosol. Environmental Science & Technology, 56(14), 9947–9958. https://doi.org/10.1021/acs.est.2c02154

Shangguan, Q., Prody, A., Wirth, T. S., Briggs, E. M., Martz, T. R., & DeGrandpre, M. D. (2022). An inter-comparison of autonomous in situ instruments for ocean CO2 measurements under laboratory-controlled conditions. Marine Chemistry, 240, 12. https://doi.org/10.1016/j.marchem.2022.104085

Sauer, J. S., Mayer, K. J., Lee, C., Alves, M. R., Amiri, S., Bahaveolos, C. J., Franklin, E. B., Crocker, D. R., Dang, D. Y., Dinasquet, J., Garofalo, L. A., Kaluarachchi, C. P., Kilgour, D. B., Mael, L. E., Mitts, B. A., Moon, D. R., Moore, A. N., Morris, C. K., Mullenmeister, C. A., … Prather, K. A. (2022). The Sea Spray Chemistry and Particle Evolution study (SeaSCAPE): overview and experimental methods. Environmental Science-Processes & Impacts, 26. https://doi.org/10.1039/d1em00260k

Griffin, A. J., Anderson, Z., Ballard, J., Bates, N. R., Garley, R., Johnson, R., Martz, T., Pacheco, F., Takeshita, Y., & Andersson, A. J. (2022). Seasonal changes in seawater calcium and alkalinity in the Sargasso Sea and across the Bermuda carbonate platform. Marine Chemistry, 238, 11. https://doi.org/10.1016/j.marchem.2021.104064

Bresnahan, P., Cyronak, T., Brewin, R. J. W., Andersson, A., Wirth, T., Martz, T., Courtney, T., Hui, N., Kastner, R., Stern, A., McGrain, T., Reinicke, D., Richard, J., Hammond, K., & Waters, S. (2022). A high-tech, low-cost, Internet of Things surfboard fin for coastal citizen science, outreach, and education. Continental Shelf Research, 242, 104748. https://doi.org/10.1016/j.csr.2022.104748

Wolfe, W. H., Shipley, K. M., Bresnahan, P. J., Takeshita, Y., Wirth, T., & Martz, T. R. (2021). Technical note: Stability of tris pH buffer in artificial seawater stored in bags. Ocean Science, 17(3), 819–831. https://doi.org/10.5194/os-17-819-2021

Billheimer, S. J., Talley, L. D., & Martz, T. R. (2021). Oxygen seasonality, utilization rate, and impacts of vertical mixing in the eighteen degree water region of the Sargasso Sea as observed by profiling biogeochemical floats. Global Biogeochemical Cycles, 35(3). https://doi.org/10.1029/2020gb006824

Angle, K. J., Crocker, D. R., Simpson, R. M. C., Mayer, K. J., Garofalo, L. A., Moore, A. N., Garcia, S. L. M., Or, V. W., Srinivasan, S., Farhan, M., Sauer, J. S., Lee, C., Pothier, M. A., Farmer, D. K., Martz, T. R., Bertram, T. H., Cappa, C. D., Prather, K. A., & Grassian, V. H. (2021). Acidity across the interface from the ocean surface to sea spray aerosol. Proceedings of the National Academy of Sciences of the United States of America, 118(2). https://doi.org/10.1073/pnas.2018397118

Bresnahan, P. J., Takeshita, Y., Wirth, T., Martz, T. R., Cyronak, T., Albright, R., Wolfe, K., Warren, J. K., & Mertz, K. (2020). Autonomous in situ calibration of ion-sensitive field effect transistor pH sensors. Limnology and Oceanography-Methods. https://doi.org/10.1002/lom3.10410

Norzagaray, C. O., Hernandez-Ayon, J. M., Castro, R., Calderon-Aguilera, L. E., Martz, T., Valdivieso-Ojeda, J. A., & Lara-Lara, R. (2020). Seasonal controls of the carbon biogeochemistry of a fringing coral reef in the Gulf of California, Mexico. Continental Shelf Research, 211. https://doi.org/10.1016/j.csr.2020.104279

Bresnahan, P. J., Wirth, T., Martz, T., Shipley, K., Rowley, V., Anderson, C., & Grimm, T. (2020). Equipping smart coasts with marine water quality IoT sensors. Results in Engineering, 5, 100087. https://doi.org/10.1016/j.rineng.2019.100087

Briggs, E. M., De Carlo, E. H., Sabine, C. L., Howins, N. M., & Martz, T. R. (2020). Autonomous ion-sensitive field effect transistor-based total alkalinity and pH measurements on a barrier reef of Kane’ohe Bay. Acs Earth and Space Chemistry, 4(3), 355–362. https://doi.org/10.1021/acsearthspacechem.9b00274

Cyronak, T., Takeshita, Y., Courtney, T. A., DeCarlo, E. H., Eyre, B. D., Kline, D. I., Martz, T., Page, H., Price, N. N., Smith, J., Stoltenberg, L., Tresguerres, M., & Andersson, A. J. (2020). Diel temperature and pH variability scale with depth across diverse coral reef habitats. Limnology and Oceanography Letters. https://doi.org/10.1002/lol2.10129

Lilly, L. E., Send, U., Lankhorst, M., Martz, T. R., Feely, R. A., Sutton, A. J., & Ohman, M. D. (2019). Biogeochemical anomalies at two Southern California Current system moorings during the 2014-2016 Warm Anomaly-El Nino Sequence. Journal of Geophysical Research-Oceans. https://doi.org/10.1029/2019jc015255

Takeshita, Y., Johnson, K. S., Martz, T. R., Plant, J. N., & Sarmiento, J. L. (2018). Assessment of autonomous pH measurements for determining surface seawater partial pressure of CO2. Journal of Geophysical Research-Oceans, 123(6), 4003–4013. https://doi.org/10.1029/2017jc013387

Du, N., Gholami, P., Kline, D. I., DuPont, C. L., Dickson, A. G., Mendola, D., Martz, T., Allen, A. E., & Mitchell, B. G. (2018). Simultaneous quantum yield measurements of carbon uptake and oxygen evolution in microalgal cultures. PLOS ONE, 13(6). https://doi.org/10.1371/journal.pone.0199125

Takeshita, Y., Cyronak, T., Martz, T. R., Kindeberg, T., & Andersson, A. J. (2018). Coral reef carbonate chemistry variability at different functional scales. Frontiers in Marine Science, 5. https://doi.org/10.3389/fmars.2018.00175

Bresnahan, P. J., & Martz, T. R. (2018). Gas diffusion cell geometry for a microfluidic dissolved inorganic carbon analyzer. Ieee Sensors Journal, 18(6), 2211–2217. https://doi.org/10.1109/jsen.2018.2794882

Briggs, E. M., Martz, T. R., Talley, L. D., Mazloff, M. R., & Johnson, K. S. (2018). Physical and biological drivers of biogeochemical tracers within the seasonal sea ice zone of the Southern Ocean from profiling floats. Journal of Geophysical Research-Oceans, 123(2), 746–758. https://doi.org/10.1002/2017jc012846

Gonski, S. F., Cai, W. J., Ullman, W. J., Joesoef, A., Main, C. R., Pettay, D. T., & Martz, T. R. (2018). Assessment of the suitability of Durafet-based sensors for pH measurement in dynamic estuarine environments. Estuarine Coastal and Shelf Science, 200, 152–168. https://doi.org/10.1016/j.ecss.2017.10.020

Briggs, E. M., Sandoval, S., Erten, A., Takeshita, Y., Kummel, A. C., & Martz, T. R. (2017). Solid State Sensor for Simultaneous Measurement of Total Alkalinity and pH of Seawater. Acs Sensors, 2(9), 1302–1309. https://doi.org/10.1021/acssensors.7b00305

McLaughlin, K., Dickson, A., Weisberg, S. B., Coale, K., Elrod, V., Hunter, C., Johnson, K. S., Kram, S., Kudela, R., Martz, T., Negrey, K., Passow, U., Shaughnessy, F., Smith, J. E., Tadesse, D., Washburn, L., & Weis, K. R. (2017). An evaluation of ISFET sensors for coastal pH monitoring applications. Regional Studies in Marine Science, 12, 11–18. https://doi.org/10.1016/j.rsma.2017.02.008

Takeshita, Y., Martz, T. R., Coletti, L. J., Dickson, A. G., Jannasch, H. W., & Johnson, K. S. (2017). The effects of pressure on pH of Tris buffer in synthetic seawater. Marine Chemistry, 188, 1–5. https://doi.org/10.1016/j.marchem.2016.11.002

Bresnahan, P. J., Wirth, T., Martz, T. R., Andersson, A. J., Cyronak, T., D’Angelo, S., Pennise, J., Melville, W. K., Lenain, L., & Statom, N. (2016). A sensor package for mapping pH and oxygen from mobile platforms. Methods in Oceanography, 17, 1–13. https://doi.org/10.1016/j.mio.2016.04.004

Takeshita, Y., McGillis, W., Briggs, E. M., Carter, A. L., Donham, E. M., Martz, T. R., Price, N. N., & Smith, J. E. (2016). Assessment of net community production and calcification of a coral reef using a boundary layer approach. Journal of Geophysical Research-Oceans, 121(8), 5655–5671. https://doi.org/10.1002/2016jc011886

Johnson, K. S., Jannasch, H. W., Coletti, L. J., Elrod, V. A., Martz, T. R., Takeshita, Y., Carlson, R. J., & Connery, J. G. (2016). Deep-Sea DuraFET: A Pressure Tolerant pH Sensor Designed for Global Sensor Networks. Analytical Chemistry, 88(6), 3249–3256. https://doi.org/10.1021/acs.analchem.5b04653

Takeshita, Y., Frieder, C. A., Martz, T. R., Ballard, J. R., Feely, R. A., Kram, S., Nam, S., Navarro, M. O., Price, N. N., & Smith, J. E. (2015). Including high-frequency variability in coastal ocean acidification projections. Biogeosciences, 12(19), 5853–5870. https://doi.org/10.5194/bg-12-5853-2015

Nam, S., Takeshita, Y., Frieder, C. A., Martz, T., & Ballard, J. (2015). Seasonal advection of Pacific Equatorial Water alters oxygen and pH in the Southern California Bight. Journal of Geophysical Research-Oceans, 120(8), 5387–5399. https://doi.org/10.1002/2015jc010859

Martz, T. R., Daly, K. L., Byrne, R. H., Stillman, J. H., & Turk, D. (2015). Technology for ocean acidification research: Needs and availability. Oceanography, 28(2), 40–47. https://doi.org/10.5670/oceanog.2015.30

Hofmann, G., Kelley, A. L., Shaw, E. C., Martz, T. R., & Hofmann, G. E. (2015). Near-shore Antarctic pH variability has implications for the design of ocean acidification experiments. Scientific Reports, 5. https://doi.org/10.1038/srep09638

Takeshita, Y., Martz, T. R., Johnson, K. S., & Dickson, A. G. (2014). Characterization of an ion sensitive field effect transistor and chloride ion selective electrodes for pH measurements in seawater. Analytical Chemistry, 86(22), 11189–11195. https://doi.org/10.1021/ac502631z

Bresnahan Jr, P. J., Martz, T. R., Takeshita, Y., Johnson, K. S., & LaShomb, M. (2014). Best practices for autonomous measurement of seawater pH with the Honeywell Durafet. Methods in Oceanography, 9(0), 44–60. https://doi.org/10.1016/j.mio.2014.08.003

Matson, P. G., Washburn, L., Martz, T. R., & Hofmann, G. E. (2014). Abiotic versus biotic drivers of ocean pH variation under fast sea ice in McMurdo Sound, Antarctica. PLOS ONE, 9(9). https://doi.org/10.1371/journal.pone.0107239

Martz, T., Send, U., Ohman, M. D., Takeshita, Y., Bresnahan, P., Kim, H. J., & Nam, S. (2014). Dynamic variability of biogeochemical ratios in the Southern California Current System. Geophysical Research Letters, 41(7), 2496–2501. https://doi.org/10.1002/2014gl059332

Takeshita, Y., Martz, T. R., Johnson, K. S., Plant, J. N., Gilbert, D., Riser, S. C., Neill, C., & Tilbrook, B. (2013). A climatology-based quality control procedure for profiling float oxygen data. Journal of Geophysical Research-Oceans, 118(10), 5640–5650. https://doi.org/10.1002/jgrc.20399

Ohman, M. D., Rudnick, D. L., Chekalyuk, A., Davis, R. E., Feely, R. A., Kahru, M., Kim, H. J., Landry, M. R., Martz, T. R., Sabine, C. L., & Send, U. (2013). Autonomous ocean measurements in the California Current ecosystem. Oceanography, 26(3), 18–25.

Price, N. N., Martz, T. R., Brainard, R. E., & Smith, J. E. (2012). Diel Variability in Seawater pH Relates to Calcification and Benthic Community Structure on Coral Reefs. PLOS ONE, 7(8). https://doi.org/10.1371/journal.pone.0043843

Martz, T., Takeshita, Y., Rolph, R., & Bresnahan, P. (2012). Tracer Monitored Titrations: Measurement of Dissolved Oxygen. Analytical Chemistry, 84(1), 290–296. https://doi.org/10.1021/ac202537f

Frieder, C. A., Nam, S. H., Martz, T. R., & Levin, L. A. (2012). High temporal and spatial variability of dissolved oxygen and pH in a nearshore California kelp forest. Biogeosciences, 9(10), 3917–3930. https://doi.org/10.5194/bg-9-3917-2012

Hofmann, G. E., Smith, J. E., Johnson, K. S., Send, U., Levin, L. A., Micheli, F., Paytan, A., Price, N. N., Peterson, B., Takeshita, Y., Matson, P. G., Crook, E. D., Kroeker, K. J., Gambi, M. C., Rivest, E. B., Frieder, C. A., Yu, P. C., & Martz, T. R. (2011). High-frequency dynamics of ocean pH: a multi-ecosystem comparison. PLOS ONE, 6(12). https://doi.org/10.1371/journal.pone.0028983