Examples of Research Papers Using Sunburst Sensor Products

Savoie AM, Ringham M, Torres Sanchez C, Carter BR, Dougherty S, Feely RA, Hegeman D, Herndon J, Khangaonkar T, Loretz J, Minck T, Pelman T, Premathilake L, Subban C, Vance J and Ward ND (2025)Novel field trial for ocean alkalinity enhancement using electrochemically derived aqueous alkalinity.Front. Environ. Eng. 4:1641277. Link here.

Sandborn, D. E., Minor, E. C., & Austin, J.A. (2025).A neural network‐based estimate of the seasonal to inter‐annual variability of the Lake Superior carbon cycle.Journal of Geophysical Research: Biogeosciences, 130, e2024JG008610. Link here.

Frangoulis C, Stamataki N, Pettas M, Michelinakis S, King AL, Giannoudi L, Tsiaras K, Christodoulaki S, Seppälä J,Thyssen M, Borges AV and Krasakopoulou E (2024)A carbonate system time series in the Eastern Mediterranean Sea. Two years of high-frequency in-situ observations and remote sensing. Front. Mar. Sci. 11:1348161. Link here.

Delaigue, L., Reichart, G.-J., Qiu, L., Achterberg, E. P., Ourradi, Y., Galley, C., Mutzberg, A., and Humphreys, M. P.(2025) From small-scale variability to mesoscale stability in surface ocean pH: implications for air–sea CO2 equilibration, Biogeosciences, 22, 5103–5121, Link here.

Lowder, K., Chu, S., Easley, R., Spaulding, R., Peterson, B., Grabb, K. and Reed, A, (Eds) (2024) Practical Best Practices for Ocean Acidification Monitoring. Version 1.1. GOA-ON: Global Ocean Acidification Observing Network. Link here.

Murcia A, Acosta A, Garcia AP, Corredor-Acosta A, Herna´ndez‑Ayo´ n JM, Guitie´ rrez S, Celis C and Ruiz-Pino D (2025) High-resolution monitoring of the pH under strong La Niña conditions in Gorgona Island, Colombian Pacific, Panama Bight. Front. Mar. Sci. 12:1595871. Link here.

p>Steinhoff, T., Gkritzalis, T., Jones, S., Macovei, V., Neill, C., et. al. (2025), The ICOS OTC pCO₂ instrument intercomparison Limnol. Oceanogr.:Methods Link here.

Shangguan, Q., DeGrandpre, M.D., Hall, R.O., Jr. and R.A. Payn. (2025), Freshwater carbonate buffering revisited. Limnol. Oceanogr. Lett, 10: 619-635. Link here.

Dutch, V. R., Bakker, D. C. E., Roobaert, A., Landschützer, P., Roden, N. P., Hoppema, M., & Kaiser, J. (2025). The Arctic Ocean CO2 sink: Trends, uncertainties, and the impact of sea ice. Global Biogeochemical Cycles, 39, e2025GB008576. Link here.

Shangguan, Q., R. A. Payn, R. O. Hall, F. L. Young, H. M. Valett, and M. D. DeGrandpre (2024). Divergent metabolism estimates from dissolved oxygen and inorganic carbon: implications for river carbon cycling, Limnol. Oceanogr., 9999, 1–18. Link here.

Sandborn, D. E., & Minor, E. C. (2024). Underway pCO2 surveys unravel CO2 invasion of Lake Superior from seasonal variability. Journal of Geophysical Research: Biogeosciences, 129, e2023JG007877. Link here.

Honkanen, M., Aurela, M., Hatakka, J., Haraguchi, L., Kielosto, S., Mäkelä, T., Seppälä, J., Siiriä, S.-M., Stenbäck, K., Tuovinen, J.-P., Ylöstalo, P., and Laakso, L. (2024) Interannual and seasonal variability of the air–sea CO2 exchange at Utö in the coastal region of the Baltic Sea, Biogeosciences, 21, 4341–4359, Link here.

Kennedy, E. G., Zulian, M., Hamilton, S. L., Hill, T. M., Delgado, M., Fish, C. R., Gaylord, B., Kroeker, K. J., Palmer, H. M., Ricart, A. M., Sanford, E., Spalding, A. K., Ward, M., Carrasco, G., Elliott, M., Grisby, G. V., Harris, E., Jahncke, J., Rocheleau, C. N., Westerink, S., and Wilmot, M. I. (2024): A high-resolution synthesis dataset for multistressor analyses along the US West Coast, Earth Syst. Sci. Data, 16, 219–243,Link here.

Ringham, M. C., Hirtle, N., Shaw, C., Lu, X., Herndon, J., Carter, B. R., and Eisaman, M. D. (2024): An assessment of ocean alkalinity enhancement using aqueous hydroxides: kinetics, efficiency, and precipitation thresholds, Biogeosciences, 21, 3551–3570, Link here.

Ghosh, J., Suntharalingam, P., Chen, Z., Kaiser, J., Bakker, D., and Dutch, V. (2024): Estimates of Arctic Ocean carbon uptake from atmospheric inverse analyses for the period 2000-2017, EGU General Assembly 2024, Vienna, Austria, 14–19 Apr 2024, EGU24-730, Link here.

Yoder, M. F., Palevsky, H. I., & Fogaren, K. E. (2024) Net community production and inorganic carbon cycling in the central Irminger Sea. Journal of Geophysical Research: Oceans, 129, e2024JC021027. Link here.

Kitidis, V., Rackley, S.A., Burt, W.J. et al. (2024) Magnesium hydroxide addition reduces aqueous carbon dioxide in wastewater discharged to the ocean. Commun Earth Environ 5, 354 (2024).Link here.

DeGrandpre, M.D. (2023). Tools of the Trade: Remote Autonomous Titration Nature Reviews Chemistry, Link here.

Richaud, B., Fennel, K., Oliver, E. C. J., DeGrandpre, M.D., Bourgeois, T., Hu, X., and Y. Lu (2023). Underestimation of oceanic carbon uptake in the Arctic Ocean: Ice melt as predictor of the sea ice carbon pump, The Cryosphere, 17, 2665–2680, Link here.

Bakker, D. et al. (2023): Surface Ocean CO2 Atlas Database Version 2023 (SOCATv2023) (NCEI Accession 0278913), NOAA National Centers for Environmental Information [data set], Link here.

Lucía Gutiérrez-Loza, Erik Nilsson, Marcus B. Wallin, Erik Sahlée,Anna Rutgersson (2022) Physical mechanisms enhancing air–sea CO2 exchange Biogeosciences, 19, 5645–5665, 2022 https://doi.org/10.5194/bg-19-5645-2022

Nickford, S., Palter, J. B., Donohue, K., Fassbender, A. J., Gray, A. R., Long, J., et al. (2022) Autonomous wintertime observations of air-sea exchange in the Gulf Stream reveal a perfect storm for ocean CO2 uptake. Geophysical Research Letters, 49, e2021GL096805. Link here.

Flecha, S., Giménez-Romero, À., Tintoré, J. et al. (2022) pH trends and seasonal cycle in the coastal Balearic Sea reconstructed through machine learning. Sci Rep 12, 12956 (2022). Link here.

Pardis, W., Grabb, K.C., DeGrandpre, M.D., Spaulding, R., Beck, J., Pfeifer, J.A. and D.M. Long (2022). Measuring Protons with Photons: A Hand-Held, Spectrophotometric pH Analyzer for Ocean Acidification Research, Community Science and Education, Sensors, 22, 7924.  Link here.

Young, F.L., Shangguan, Q., Beatty, C. M., Gilsdorf, M. D., and M.D. DeGrandpre (2022), Comparison of spectrophotometric and electrochemical pH measurements for calculating freshwater pCO2, Limnology and Oceanography: Methods,  Link here.

Shangguan, Q., Prody, A., Wirth, T. S., Briggs, E. M., Martz, T. R., and M. D. DeGrandpre (2022) An inter-comparison of autonomous in situ instruments for ocean CO2 measurements under laboratory-controlled conditions, Mar. Chem., 240, 104085, Link here.

Jurleys, P. V., Saldías, G.S., Allen, S.E., Torres, R. Vergara, M., Sobarzo, M., DeGrandpre, M.D. and J.L. Iriarte. (2022). Understanding the implications of hydrographic processes on the dynamics of the carbonate system in a sub-Antarctic marine-terminating glacier-fjord (53°S), Frontiers in Marine Science, 9, 643811, Link here.

Shangguan, Q., Lai, C., Beatty, C.M., Young, F.L., Spaulding, R.S., and M.D. DeGrandpre (2021). Autonomous in situ measurements of freshwater alkalinity, Limnol. Oceanog. Methods, 19, 51-66, Link here.

Zhou, Y., Evans, C. D., Chen, Y., Chang, K. Y. W., & Martin, P. (2021). Extensive remineralization of peatland-derived dissolved organic carbon and ocean acidification in the Sunda Shelf Sea, Southeast Asia. Journal of Geophysical Research: Oceans, 126, e2021JC017292.  Link here.

von Appen, W.-J., A.M. Waite, M. Bergmann, C. Bienhold, O. Boebel, A. Bracher, B. Cisewski, J. Hagemann, M. Hoppema, M. Iversen, C. Konrad, T. Krumpen, N. Lochthofen, K. Metfies, B. Niehoff, E.-M. Nöthig, A. Purser, I. Salter, M. Schaber, D. Scholz, T. Soltwedel, S. Torres-Valdes, C. Wekerle, F. Wenzhöfer, M. Wietz, and A. Boetius, 2021: Sea-ice derived meltwater stratification slows the biological carbon pump: results from continuous observations,Nature Communications;  Link here.

Pezner, A. K., Courtney T. A., Page H.N., Beatty C.M., Giddings S.N., DeGrandpre M.D. and A. J. Andersson (2021). Lateral, vertical, and temporal variability of seawater carbonate chemistry at Hog Reef, Bermuda, Frontiers in Marine Science, 8, 562267, Link here.

Honkanen et al. (2021): The diurnal cycle of pCO2 in the coastal region of the Baltic Sea. Ocean Sci., 17, 1657–1675, 2021 Link here.

Enochs IC, Toth LT, Kirkland A, Manzello DP, Kolodziej G, Morris JT, Holstein DM, Schlenz A, Randall CJ, Maté JL, Leichter JJ, Aronson RB (2021) Upwelling and the persistence of coral-reef frameworks in the eastern tropical Pacific. Ecological Monographs, 91(4), 2021, e01482

Aguirre, C., Garreaud, R., Belmar, L., Farías, L., Ramajo, L., Barrera, F. (2021) High-Frequency Variability of the Surface Ocean Properties Off Central Chile During the Upwelling Season, Frontiers in Marine Science ,August 2021, Vol. 8, Article 702051, Link here.

Gac J-P, Marrec P, Cariou T, Guillerm C, Macé É, Vernet M and Bozec Y (2020) Cardinal Buoys: An Opportunity for the Study of Air-Sea CO2 Fluxes in Coastal Ecosystems. Front. Mar. Sci. 7:712. Link here.

DeGrandpre, M., Evans, W., Timmermans, M., Kirshfield, R., Williams, B., Steele, M. (2020) Changes in the Arctic Ocean Carbon Cycle With Diminishing Ice Cover Geophysical Research Letters 47, e2020GL088051. Link here.

Hopwood, M.J., Carroll, D., Dunse, T., Hodson, A., Holding, J.M., Iriarte, J.L., Ribeiro, S., Achterberg, E.P., Cantoni, C., Carlson, D.E., Chierici, M., Clarke, .S., Cozzi, S., Fransson, A., Juul-Pedersen, T., Winding, M.H.S., Meire, L. (2020). Review article: How does glacier discharge affect marine biogeochemistry and primary production in the Arctic? The Cryosphere, 14, 1347-1383.

Mitchell Call, Christian J. Sanders, Paul A. Macklin, Isaac R. Santos, Damien T. Maher, Carbon outwelling and emissions from two contrasting mangrove creeks during the monsoon storm season in Palau, Micronesia (2019) Estuarine, Coastal and Shelf Science, 218, 340-348, Link here.

Sutton, A.J., Feely, R.A., Maenner-Jones, S., Musielwicz, S., Osborne, J., Dietrich, C., Monacci, N., Cross, J., Bott, R., Kozyr, A., Andersson, A.J., Bates, N.R., Cai, W-J., Cronin, M.F., De Carlo, E.H., HHales, B., Howden, S.D., Lee, C.M., Manzello, D.P., McPhaden, M.J., Melendez, M., Mickett, J.B., Newton, J.A., Noakes, S.E., Noh, J.H., Olafsdottir, S.R., Salisbury, J.E., Send, U., Trull, T.W., Vandemark, D.C., Weller, R.A. (2019). Autonomous Seawater pCO₂ and pH Time Series from 40 Surface Buoys and the Emergence of Anthropogenic Trends.  Earth Syst. Sci. Data, 11, 421-439.

 DeGrandpre, M.D., Lai, C-Z., Timmermans, M-L., Krishfield, R.A., Proshutinsky, A., Torres, D. (2019). Inorganic Carbon and pCO₂ Variability During Ice Formation in the Beaufort Gyre of the Canada Basin.  J. Geogr. Res. Oceans, 21 June, 2019 Online version here. Link here.

Vergara-Jara, M.J., DeGrandpre, M.D., Torres, R., Beatty, C.M., Cuevas, L.A., Alarcon, E., Iriarte, J.L., Seasonal Changes in Carbonate Saturation State and Air-Sea CO₂ Fluxes During an Annual Cycle in a Stratified-Temperature Fjord (Reloncavi Fjord, Chliean Patagonia).  J. Geogr. Res. Biogeosci., 23 August 2019.  Online version here. (PDF) and Here - (journal).

Evans, W., Pocock, K., Hare, A., Weekes, C., Hales, B., Jackson, J., Gurney-Smith, H., Mathis, J.T., Alin, S.R., Feely, R.A., Marine CO2 Patterns in the Northern Salish Sea.  Front. Mar. Sci., 15 January 2019 Online version here

Lai, C-Z., DeGrandpre, M.D., Darlington, R.C. (2018). Autonomous Optofluidic Chemical Analyzers for Marine Applications: Insights from the Submersible Autonomous Moored Instruments (SAMI) for pH and pCO2. Front. Mar. Sci. 4, 438. Link here.

Pacelle, S., Brown, C.A., Mochon-Collura, T.C., Waldbusser, G.G., Labiosa, R.G., Hales, B. (2018). Seasonal patterns of estuarine acidification in seagrass beds of the Snohomish Estuary, WA. 2018 Salish Sea Ecosystem Conference, Seattle, Washington.

Sanchez-Noguera, C., Stuhldreier, I., Cortes, J., Jimenez, C., Morales, A., Wild, C., et al. (2018). Natural ocean acidification at Papagayo upwelling system (north Pacific Costa Rica): implications for reef development. Biogeosciences, 15, 2349-2360, Link here.

McMahon, A., Santos, I., Schulz, K.G., Cyronak, T., Maher, D. (2018). Determining coral reef calcification and primary production using automated alkalinity, pH and pCO2 measurements at high temporal resolution. Estuarine, Coastal and Shelf Science, 209, 80-88, Link here.

Leon-Munoz, J., Urbina, M.A., Garreaud, R., Iriarte, J.L. (2018). Hydroclimatic conditions trigger record harmful algal bloom in western Patagonia (summer 2016). Scientific Reports 8, 1330.

Enochs, I.C., Manzello, D.P., Jones, P.J., Aguilar, C., Cohen, K., Valentino, L., et al. (2018). The influence of diel carbonate chemistry fluctuations on the calcification rate of Acropora cervicornis under present day and future acidification conditions. Journal of Experimental Marine Biology and Ecology, 506, 135-143, Link here.

Barkley, H.C., Cohen, A.L., Mollica, N.R., Brainard, R.E., Rivera, H.E., DeCarlo, T.M., et al. (2018). Repeat bleaching of a central Pacific coral reef over the past six decades (1960–2016). Communications Biology 1, 177.

Fassbender, A.J., Alin, S.R., Feely, R.A., Sutton, A.J., Newton, J.A., Krembs, C., et al. (2018). Seasonal carbonate chemistry variability in marine surface waters of the US Pacific Northwest. Earth Syst. Sci. Data, 10, 1367-1401. Link here.

Li, D., Chen, J., Ni, X., Wang, K., Zeng, D., Wang, B., et al. (2018). Effects of Biological Production and Vertical Mixing on Sea Surface pCO2 Variations in the Changjiang River Plume During Early Autumn: A Buoy‐Based Time Series Study. JGR Oceans, 123, 6156-6173, Link here.

Lorenzoni, L., Telszewski, M., Benway, H., Palacz, A. (2017). A User’s guide for selected autonomous biogeochemical sensors. An outcome from the 1st IOCCP International Sensors Summer Course, June 22 – July 1, 2015, Kristineberg, Sweden. IOCCP Sopot, Poland. Online version (pdf)

Dugan, D., Janzen, C., McCammon, M., Evans, W., Bidlack, A. (2017) The evolution of ocean acidification observing efforts in Alaska and the development of an Alaska Ocean acidification network. OCEANS 2017 - Anchorage

Darlington, R.C. (2017). A miniaturized spectrophotometric in situ pH sensor for seawater. Masters Thesis, University of Montana.

(2017). Climate Change and the Oceanic Carbon Cycle. Chapter 4. On the Influence of Interseasonal Sea Surface Temperature on Surface Water pCO2 at 49.0°N/16.5°W and 56.5°N/52.6°W in the North Atlantic Ocean. Edited ByIsabel Ferrera.

DeCarlo, T.M., Cohen, A.L., Wong, G.T.F., Shiah, F.-K., Lentz, S.J., Davis, K.A., et al. (2017). Community production modulates coral reef pH and the sensitivity of ecosystem calcification to ocean acidification. J. Geophys. Res. 122, 745-761. Link here.

Fakhrul Islam, Michael D. DeGrandpre, Cory M. Beatty, Mary-Louise Timmermans, Richard A. Krishfield, John M. Toole, et al. (2017). Sea surface pCO2 and O2 dynamics in the partially ice-covered Arctic Ocean. J. Geophys. Res. 122, 1425-1438. Link here.

Faasbender, A.J., Alin, S.R., Feely, R.A., Sutton, A.J., Newton, J.A., Byrne, R.H. (2017). Estimating Total Alkalinity in the Washington State Coastal Zone:  Complexities and Surprising Utility for Ocean Acidification Research. Estuaries and Coasts, 40, 404-418. Link here.

Herrera-Vazquez, C.F., and Ocampo-Torres, F.J. (2017). CO2 concentration characteristics and possible influence of waves on the rate of CO2 transfer between the ocean and the atmosphere in a coastal region. in: 19th EGU General Assembly, EGU2017, 11588.

Shamberger, K.E.F., Lentz, S.J., and Cohen, A.L. (2017). Low and variable ecosystem calcification in a coral reef lagoon under natural acidification. Limnol. Oceanogr. Link here.

Clarke, J.S., Achterberg, E.P., P.Connelly, D., Schuster, U., and Mowlem, M. (2016). Developments in marine pCO2 measurement technology; towards sustained in situ observations. Trends Analyt. Chem. 88, 53-61. Link here.

Islam, F., DeGrandpre, M., Beatty, C., Krishfield, R., and Toole, J. (2016). Gas exchange of CO2 and O2 in partially ice-covered regions of the Arctic Ocean investigated using in situ sensors. IOP Conference Series: Earth and Environmental Science 35. Link here.

Ocampo-Torres, F.J., Francisco Herrera, C., Gutiérrez-Loza, L., and Osuna, P. (2016). Exploring the influence of surface waves in the carbon dioxide transfer velocity between the ocean and atmosphere in the coastal region, in: EGU General Assembly 2016, 18509.

Courtney, T.A., A.J. Andersson, N.R. Bates, A. Collins, T. Cyronak, S.J. de Putron, B.D. Eyre, R. Garley, E.J. Hochberg, R. Johnson, S. Musielewicz, T.J. Noyes, C.L. Sabine, A.J. Sutton, J. Toncin, and A. Tribollet (2016), Comparing chemistry and census-based estimates of net ecosystem calcification on a rim reef in Bermuda Front. Mar. Sci., 3, 181, Link here. Alternate link.

Sutton, A.J., C.L. Sabine, R.A. Feely, W.-J. Cai, M.F. Cronin, M.J. McPhaden, J.M. Morell, J.A. Newton, J.-H. Noh, S.R. Ólafsdóttir, J.E. Salisbury, U. Send, D. Vandemark, and R.A. Weller (2016), Using present-day observations to detect when anthropogenic change forces surface ocean carbonate chemistry outside preindustrial bounds. Biogeosciences, 13(17), 5065–5083, doi: 10.5194/bg-2016-104. Link here

Brandt, P. (2015). Oxygen variability and tropical Atlantic circulation. METEOR-Berichte.

Flecha, S., Pérez, F.F., García-Lafuente, J., Sammartino, S., Ríos, A.F., and Huertas, I.E. (2015). Trends of pH decrease in the Mediterranean Sea through high frequency observational data: indication of ocean acidification in the basin. Sci Rep. 5, 16770. Link here.

Islam, A.F. (2015). CO2 and O2 variability in the partially ice-covered Arctic Ocean. Mater Thesis, University of Montana.

Woodgate, R.A., Stafford, K.M., and Prahl, F.G. (2015). A Synthesis of Year-Round Interdisciplinary Mooring Measurements in the Bering Strait (1990–2014) and the RUSALCA Years (2004–2011). Oceanography 28, 46-67. Link here.

Parard, G., Charantonis, A.A., and Rutgerson, A. (2015). Remote sensing the sea surface CO2 of the Baltic Sea using the SOMLO methodology. Biogeosciences 12, 3369-3384. Link here.

Runge, J.A., and Christensen, J.P. (2015). Ocean Acidification-Category 1- Impact of ocean acidification on survival of early life stages of planktonic copepods in the genus Calanus in the northern. University of Maine Office of Research and Sponsored Programs: Grant Reports. 365.

Vieira, V.M.N.C.S., Sahlée, E., Jurus, P., Clementi, E., Pettersson, H., and Mateus, M. (2015a). Comparing solubility algorithms of greenhouse gases in Earth-System modelling. Biogeosciences Discuss. 12, 15925-15945. Link here.

Vieira, V.M.N.C.S., Sahlée, E., Jurus, P., Clementi, E., Pettersson, H., and Mateus, M. (2015b). Improving estimations of greenhouse gas transfer velocities by atmosphere–ocean couplers in Earth-System and regional models. Biogeosciences Discuss. 12, 15901-15924. Link here.

Barkley, H., Cohen, A., Golbuu, Y., Starczak, V., DeCarlo, T., Shamberger, K., (2015), Changes in coral reef communities across a natural gradient in seawater pH Sci. Adv. 2015;1:e1500328 5 June 2015

Sutton, A., Manzello, D., Gintert, B., (2015) Coupling chemical and biological monitoring to understand the impact of ocean acidification on coral reef ecosystems. Oceanography 28(2):28–29, June 2015, on-line version

Morales-Pineda, M., A. Cózar, I. Laiz, B. Úbeda, and J. Á. Gálvez (2014), Daily, biweekly, and seasonal temporal scalesof pCO2 variability in two stratified Mediterranean reservoirs. J. Geophys. Res.Biogeosci. , 119,509–520, Link here.

Pelejero, C., Nogueras-Cervera, M., Artero-Delgado, C., Guallart, E.F., Sanz, À.L.-., Calvo, E., et al. (2014). Testing systems to monitor atmospheric CO2, ph and pCO2 in the obsea submarine observatory, in: Instrumentation Viewpoint.

Spaulding R., DeGrandpre M., Beck J., Hart, R., Peterson, B., De Carlo, E., Drupp, P., Hammar, T., (2014), Autonomous in Situ Measurements of Seawater Alkalinity Environ. Sci. Technol. 2014, 48, 9573−9581

Waldbusser, G.G. and J.E. Salisbury (2014). Ocean acidification in the coastal zone from an organism's perspective: multiple system parameters, frequency domains, and habitats. Ann. Rev. Mar. Sci., 6, Link here.

Kelly MW, Padilla-Gamiño, JL, Hofmann, GE. (2013) Natural variation and the capacity to adapt to ocean acidification in a keystone species. Global Change Biology 19:2536-2546.

Woodgate, R. (2013). Bering strait norseman ii 2013 mooring cruise report. University of Washington.

Norman, M., Parampil, S.R., Rutgersson, A., and Sahlee, E. (2013). Influence of coastal upwelling on the air–sea gas exchange of CO2 in a Baltic Sea Basin. Tellus B: Chemical and Physical Meteorology 65. Link here.

Cyronak, T., Santos, I. R. & Eyre, B. D., (2013), Permeable coral reef sediment dissolution driven by elevated pCO2 and pore water advection., Geophys. Res. Lett. 40, 4876–4881.

Alliance for Coastal Technology Report on pCO ₂ sensors. (pdf download)

Harris, K.E., M.D. DeGrandpre, and B. Hales (2013). Aragonite saturation states in a coastal upwelling zone. J Geophys. Res. Letters 40(11), 2720-2725., Link here.

Irish, J.D., D. Vandemark, S. Shellito, J.E. Salisbury (2013). Experience With Moored Observations in the Western Gulf of Maine From 2006 to 2012. Marine Technology Society Journal, Volume 47, Number 1, January/February 2013 , pp. 19-32(14).

Mathis, J.T., J.N. Cross, N. Monacci, R.A. Feely, P. Stabeno (2013). Evidence of prolonged aragonite undersaturations in the bottom waters of the southern Bering Sea shelf from autonomous sensors. Deep Sea Research Part II: Topical Studies in Oceanography, Available online 24 July 2013, ISSN 0967-0645, on line version

Turk, D., J.W. Book, W.R. McGillis (2013), pCO₂ and CO₂ exchange during high bora winds in the Northern Adriatic.Journal of Marine Systems, Volumes 117–118, May 2013, Pages 65-71, ISSN 0924-7963, Link here.

Wanninkhof, R., D.C.E. Bakker, N. Bates, A. Olsen, T. Steinhoff and A.J. Sutton (2013). Incorporation of Alternative Sensors in the SOCAT Database and Adjustments to Dataset Quality Control Flags. PDF - online . Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, US Department of Energy, Oak Ridge, Tennessee. Link here.

Bennington, V., G. A. McKinley, N. R. Urban, and C. P. McDonald (2012). Can spatial heterogeneity explain the perceived imbalance in Lake Superior’s carbon budget? A model study. J. Geophys. Res, 117, G03020, Link here.

Ikawa, H., Faloona, I., Kochendorfer, J., Paw, K.T., Oechel, W.C., (2012)  Air-sea exchange of CO2 at a Northern California coastal site along the California Current upwelling system Biogeosciences Discuss., 9, 17707–17741.

Gray, S.E., DeGrandpre, M.D., Langdon, C., and J.E. Corredor (2012). Short-term and seasonal pH, pCO₂ and saturation state variability in a coral-reef ecosystem. Global Biogeochem. Cycles, 26, GB3012, Link here.

Arthun, M., Bellerby, R.G.J., Omar, A.M., and Schrum, C. (2012). Spatiotemporal variability of air-sea CO₂ fluxes in the Barents Sea, as determined from empirical relationships and modeled hydrography. J. of Marine Systems, 98-99, 40-50, Link here.

Evans, W., B. Hales, and P.G. Strutton (2011). Seasonal cycle of surface ocean pCO₂ on the Oregon shelf. J Geophys. Res., C, 116, C05012, Link here.

Kirkwood, W.J., Peltzer, E.T., Walz, P., Headley, K., Herlien, B., Kecy, C., Maughan, T., O'Reilly, T., Salamy, K.A., Shane, F., Scholfield, J., Brewer, P.G. (2011). Cabled instrument technologies for ocean acidification research-FOCE (free ocean CO₂ enrichment). Underwater Technology (UT), 2011 IEEE Symposium on and 2011 Workshop on Scientific Use of Submarine Cables and Related Technologies (SSC), Link here.

Ikawa, H., Oechel, W.C. (2011). Air-sea CO₂ exchange of beach and near-coastal waters of the Chukchi Sea near Barrow, Alaska. Continental Shelf Research, 31,1357-1364.

Semiletov, I.P., Pipko I.I., Shakhova, N.E., Dudarev, O.V., Pugach, S.P., Charkin, A.N., McRoy, C.P., Kosmach, D., Gustafsson, O. (2011). Carbon transport by the Lena River from its headwaters to the Arctic Ocean, with emphasis on fluvial input of terrestrial particulate organic carbon vs. carbon transport by coastal erosion. Biogeosciences, 8,2407-2426.

Wesslander, K., Hall, P., Hjalmarsson, S., Lefevre, D., Omstedt, A., Rutgersson, A., Sahlee, E. and A. Tengberg (2011). Observed carbon dioxide and oxygen dynamics in a Baltic Sea coastal region. J. Mar. Sys., 86, 1-9.

Moore, T.S., DeGrandpre, M.D., Sabine, C.L., Zappa, C.J., McGillis, W.R., Feely, R.A., Hamme, R.C. and W.M. Drennan (2011). Sea surface pCO₂ and O₂ in the Southern Ocean during the austral fall, 2008. Journal of Geophysical Research - Oceans 16 Nov 2011, Link here.

Nazan, A., McKinley, G.A., Bennington, V., Baehr, M., Urban, N., DeGrandpre, M., Desai, A.R., and C. Wu. (2011). Observed variability of Lake Superior pCO₂. Limnology and Oceanography v.56, Link here.

Gray, S.E., DeGrandpre, M.D., Moore, T.M., Martz, T.R., Friederich, G.E., and K.S. Johnson (2011). Applications of in situ pH measurements for inorganic carbon calculations. Mar. Chem., Link here.

Turk, D. Malacic, V., DeGrandpre, M.D. and W. R. McGillis. (2010). Carbon dioxide variability and air-sea fluxes in the northern Adriatic Sea. Journal of Geophysical Research - Oceans, 115, C10043, Link here.

Hamme, R.C., Webley, P.W., Crawford, W.R., Whitney, F.A., DeGrandpre, M.D., Emerson, S.R., Eriksen, C.C., Giesbrecht, K.E., Gower, J.F.R., Kavanaugh, M.T., Pena, M.A., Sabine, C.L., Batten, S.D., Coogan, L.A., Grundle, D.S., and D. Lockwood (2010). Volcanic ash fuels anomalous plankton bloom in subarctic Northeast Pacific . Geophysical Res. Lett., 37, L19604,

Lynch, J.K., Beatty, C.M., Seidel, M.P., Jungst, L.J. and M.D. DeGrandpre. (2010). Controls of riverine CO₂ over an annual cycle determined using direct, high temporal resolution pCO₂ measurements. Journal of Geophysical Research - Biogeosciences, Link here.

Rutgersson A, Smedman A. (2010). Enhanced air-sea CO₂ transfer due to water-side convection.. Journal of Marine Systems, 80, 125-134.

Boguckia, D., Carr, M., Drennana, W.M., Woiceshyn, P., Hara, T., and M. Schmeltz. (2010). Preliminary and novel estimates of CO₂ gas transfer using a satellite scatterometer during the 2001 GasEx experiment.. International Journal of Remote Sensing, 31, 75-92.

Martz, T.M., DeGrandpre, M.D., Strutton, P.G., McGillis, W.R. and W. Drennan (2009). Sea surface pCO₂ and carbon export during the Labrador Sea spring-summer bloom: an in situ mass balance approach. J. Geophys. Res. - Oceans, 114, C09008, Link here.

Parker, S.R, Gammons, C.H., Poulson, S.R., DeGrandpre, M.D., Weyer, C.L., Smith, M.G., Babcock, J.N., and Y. Oba. (2010). Diel behavior of stable isotopes of dissolved oxygen and dissolved inorganic carbon in rivers over a range of trophic conditions, and in a mesocosm experiment. Chemical Geology, 269, 22-32.

Rutgersson, A., M. Norman and G. Astrom (2009). Atmospheric CO₂ variation over the Baltic Sea and the impact on air-sea exchange. Bor. Env Res., 14, 238-249.

Rutgersson, A., M. Norman, B. Schneider, H. Pettersson, E. , Sahlee (2008). The annual cycle of carbon-dioxide and parameters influencing the air-sea carbon exchange in the Baltic Proper. J. Mar. Syst., 74, 381-394.

Kortzinger, A., Send, U., Wallace, D.W.R., Karstensen, J. and M.D. DeGrandpre (2008). The seasonal cycle of O₂ and pCO₂ in the central Labrador Sea: Atmospheric, biological and physical implications. Glogal Biogeochem. Cycles, 22, GB1014, Link here.

Yuan, S. and M.D. DeGrandpre (2008). Evaluation of indicator based pH measurements for freshwater over a wide range of buffer intensities. Environ. Sci Technol, 42, 6092-6099.

Jickells, T.D., et al (2008). A lagrangian biogeochemical study of an eddy in the north east Atlantic. Progress in Oceanography, 76, 366-398.

Seidel, M.P., DeGrandpre, M.D., and A.G. Dickson (2008). A sensor for in situ indicator-based measurements of seawater pH. Mar. Chem., 109, 18-28.

Kortzinger, A., Send, U., Lampitt, R.S., Hartman, S., Wallace, D.W.R., Karstensen, J., Villagarcia, M.G., Llinas, O. and M.D. DeGrandpre (2008). The seasonal pCO₂ cycle at 49¬∞N/16.5¬∞W in the northeast Atlantic Ocean and what it tells us about biological productivity. Journal of Geophysical Research - Ocean, 113, C04020, Link here.

Kortzinger, A., Send, U., Wallace, D.W.R., Karstensen, J. and M.D. DeGrandpre (2007). The seasonal cycle of O₂ and pCO₂ in the central Labrador Sea: Atmospheric, biological and physical implications. Global Biogeochemical Cycles Mar 2008 22(1), Link here.

Gammons, C.H., Grant, T.M, Nimick, D.A., Parker, S.R., DeGrandpre, M.D. (2007). Diel changes in water chemistry in an arsenic-rich stream and treatment-pond system. Science of the Total Environment 384, 433-451.

Parker, S.R., Gammons, C.H., Poulson, S.R., DeGrandpre, M.D. (2007). Diel variations in stream chemistry and isotopic composition of dissolved inorganic carbon, upper Clark Fork River, Montana, USA. Applied Geochemistry 22, 1329-1343.

Semiletov, I.P., Pipko, I.I., Repina, I., Shakhova, N.E. (2007). Carbonate chemistry dynamics and carbon dioxide fluxes across the atmosphere-ice-water interfaces in the Arctic Ocean: Pacific sector of the Arctic. J. Mar. Syst. 66, 204-226.

Weiss, A., Kuss, J., Peters, G., Schneider, B. (2007). Evaluating transfer velocity-wind speed relationship using a long-term series of direct eddy correlation CO₂ flux measurements. J. Mar. Syst. 66, 130-139.

DeGrandpre, M.D., Martz, T.R., and A.G. Dickson (2006). Tracer monitored titrations, U.S. Provisional Patent Application, Serial No. 60/763,170, filed Januare 26, 2006.

DeGrandpre, M.D., Kortzinger, A., Send, U., Wallace, D.W.R., Bellerby, R.G.J. (2006). Uptake and sequestration of atmospheric CO₂ in the Labrador Sea deep convection region. Geophysical Research Letters. 33, Link here.

McNeil, C.L.,Ward, B., McGillis, W.R., DeGrandpre, M.D. and L. Marcinowski. (2006). Fluxes of N₂ , O₂ and CO₂ in Nearshore Waters off Martha\'s Vineyard, Continental Shelf Research, 26, 1281-1294.

Kuss, J., Roeder, W., Wlost, K., and M. DeGrandpre. (2006). ¬† Time-series of surface water CO₂ and oxygen measurements on a platform in the central Arkona Sea (Baltic Sea): Seasonality of uptake and release,Marine Chemistry, 101, 220-232.

Delille B., Harlay J., Zondervan I., Jacquet S., Chou L., Wollast R., Bellerby R. G. J., Frankignoulle M., Borges A. V., Riebesell U. & Gattuso J.-P., (2005). Response of primary production and calcification to changes of pCO₂ during experimental blooms of the coccolithophorid Emiliania huxleyi. Global Biogeochemical Cycles , GB2023, ¬† Link here.

Baehr, M.M. and M.D. DeGrandpre. (2004). In situ pCO₂ and O₂ measurements in a freshwater lake during turnover and stratification: observations and a model, Limnol. Oceanog., 49, 330-340.

Martz, T.R., Carr, J.J., French, C.R. and M.D. DeGrandpre. (2003).   A submersible autonomous sensor for spectrophotometric pH measurements of natural waters, Anal. Chem., 75,1844-1850.

DeGrandpre, M.D., Olbu, G.J., Beatty, C.M. and T.R. Hammar. (2002). Air-sea Cv fluxes on the U.S. Middle Atlantic Bight , Deep-Sea Research II, 49, 4355-4367.

Baehr, M.M. and M.D. DeGrandpre. (2002). Under-ice CO₂ and O₂ variability in a freshwater lake, Biogeochemistry,61, 95-113.

French, C.R., Carr, J.J., Dougherty, E.M., Eidson, L.A.K., Reynolds, J.C., DeGrandpre, M.D. (2002). Spectrophotometric pH measurements of freshwater . Analytica Chimica Acta, 453, 13-20.

DeGrandpre, M.D., Baehr, M.M. and T.R. Hammar.¬† (2000). ¬† Development of an optical chemical sensor for oceanographic applications: The Submersible Autonomous Moored Instrument for Seawater CO₂. Chemical Sensors in Oceanography , M. Varney ed., Gordon and Breach publ., Amsterdam, pp. 123-141.

DeGrandpre, M.D., Baehr, M.M. and T.R. Hammar. (1999). Calibration-free optical chemical sensors, Anal. Chem., 71, 1152-1159.

DeGrandpre, M.D., Hammar, T.R. and C.D. Wirick. (1998). ¬† Short term pCO₂ and O₂ dynamics in California coastal waters. Deep-Sea Res. Part II , 45, 1557-1575.

DeGrandpre, M.D., Hammar, T.R., Wallace, D.W.R., and C.D. Wirick. (1997). Simultaneous mooring-based measurements of seawater CO₂ and O₂ off Cape Hatteras, North Carolina. ¬† Limnol. Oceanog., 42, 21-28.

DeGrandpre, M.D., Hammar, T.R., Smith, S.P., and F.L. Sayles. (1995). In situ measurements of seawater pCO₂. Limnol. Oceanog., 40, 969-975. ( Link here.)