making ocean carbonate instruments since 1999.

Examples of Research Papers Using Sunburst Sensor Products

Lucía Gutiérrez-Loza, Erik Nilsson, Marcus B. Wallin, Erik Sahlée,Anna Rutgersson Physical mechanisms enhancing air–sea CO2 exchange Biogeosciences, 19, 5645–5665, 2022

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

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

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.

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,

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,

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, doi: 10.3389/fmars.2022.643811

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,

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.

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;

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

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. doi: 10.3389/fmars.2020.00712

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,

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.

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,

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. doi: 10.1029/2019JC015109

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. doi: 10.1029/2019JG005028.

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. doi: 10.3389/fmars.2017.00438.

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,

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,

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,

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.

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,

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. doi: 10.1002/2016JC012326.

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. doi: 10.1002/2016JC012162.

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. doi: 10.1007/s12237-016-0168-z

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. doi: 10.1002/lno.10662.

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. doi: 10.1016/j.trac.2016.12.008.

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. doi: 10.1088/1755-1315/35/1/012018.

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, doi: 10.3389/fmars.2016.00181.  on-line version.

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. on-line version

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. doi: 10.1038/srep16770.

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. doi: 10.5670/oceanog.2015.57.

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. doi: 10.5194/bg-12-3369-2015.

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. doi: 10.5194/bgd-12-15925-2015.

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. doi: 10.5194/bgd-12-15901-2015.

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, doi:10.1002/ 2013JG 002317.

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, DOI: 10.1146/annurev-marine-121211-172238.

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. doi: 10.3402/tellusb.v65i0.21831.

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 pCO2 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, Accepted.

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,on line version

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. doi: 10.3334/CDIAC/OTG.SOCAT_ADQCF

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, doi: 10.1029/2011G001895.

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, doi: 10.1029/2011GB004114.

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, doi: 10.1016/j.jmarsys.2012.03.005.

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, doi: 10.1029/2010JC006625.

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), doi: 10.1109/UT.2011.5774089.

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, accepted.

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, accepted.

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., doi:10.1016/j.marchem.2011.02.005.

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, doi:10.1029/2009JC006034.

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, doi:10.1029/2010GL044629.

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, in press.

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, doi:10.1029/2008JC005060.

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, doi:10.1029/2007GB003029.

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, doi:10 1029/2007JC004347.

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, accepted.

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, doi:10.1029/2006GL026881.

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,   doi:10.1029/2004GB002318.

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. (pdf download)


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