GFDL - Geophysical Fluid Dynamics Laboratory

Skip to main content

John P. Dunne

NOAA/GFDL 201 Forrestal Rd, Princeton, NJ 08540-6649

(609) 452-6596

john.dunne@noaa.gov

Education:
Ph.D. March 1999. University of Washington, Seattle, WA; Field: Oceanography; Dissertation: Measured and Modeled Particle export in the equatorial and coastal oceans.
M.S. June 1996. University of Washington, Seattle, WA; Field: Oceanography; Thesis: 234Th and particle cycling in the central equatorial Pacific.
B.S. June 1993. The University of California at San Diego; Major: Chemistry; Minor: Writing.

Professional Experience:
Research Oceanographer, National Oceanic and Atmospheric Administration / Geophysical Fluid Dynamics Laboratory, Princeton, NJ; Developing ocean biogeochemical/ecological models for earth system applications; Supervisors: Stephen Griffies (609-452-6672) and Hiram Levy (609-452-6581); Dec. 2002-present.
Research Associate (Postdoctoral)
, Atmospheric and Oceanic Sciences, Princeton University, Princeton, NJ; Developing global ocean biogeochemistry/ecosystem model; Supervisor: Jorge Sarmiento (609-258-6585); Apr. 2001-Nov. 2002.
Research Associate (Postdoctoral)
, Oceanography, University of Washington, Seattle, WA; Developed autonomous moored profiler (ORCA) for monitoring biogeochemistry and water quality in Puget Sound; Supervisors: Steven Emerson (206-543-0428) and Allan Devol (206-543-1292); Apr. 1999-Mar. 2001.
Graduate Researcher
, Oceanography, University of Washington, Seattle, WA; Performed research, gave presentations, wrote papers, attended conferences and workshops, served as graduate rep. to faculty; Supervisor: James Murray (206-543-4730); Sept. 1993-Mar. 1999.
Research Assistant
, Marine Physical Laboratory, Scripps Institution of Oceanography, La Jolla, CA. Built automated pH and alkalinity systems, prepared CO2 standards; Supervisor: Andrew Dickson (858-534-2582). June 1992-June 1993.
Research Technician
, Biophysica Corporation, La Jolla, CA. Performed UV spectroscopy and chromatography, prepared solutions, tended to laboratory animals (Director: Milos Sovak). Sept. 1990-June 1992.
Analytical Technician
, North State Environmental, South San Francisco, CA. Cataloged and re-organized and disposed of chemicals for an analytical laboratory (Director: Frank Balistreri). July, 1990.
Research Assistant
, UCSD Biology, La Jolla, CA. Dissected geckos and prepared gut and blood slides for analysis of diet and genetic diversity (Advisor: Theodore Case). March-June 1990.

Field Experience:
Puget Sound. Various small vessels, 20 maintenance cruises 6/00 - 3/01. Chief Sci.: J. Dunne
Puget Sound. R/V Barnes, ten ORCA test cruises 11/99 - 5/00. Chief Sci.: J. Dunne
Soap Lake, WA. R/V Realander, May, 1997. Chief Sci.: L. Balistrieri. Santa Barbara Channel, CA. R/V Point Sur, April 1997. Chief Sci.: J. Murray and A. Alldredge.
Equatorial Pacific. R/V Thomas G. Thompson, April-May 1996. Chief Sci.: J. Murray
Hawaii Ocean Time-series. R/V Moana Wave, Oct.-Nov. 1995. Chief Sci.: L. Tupas
Equatorial Pacific. N/O l’Atalante, Oct.-Nov. 1994. Chief Sci.: R. LeBorgne
Puget Sound. R/V Barnes, five cruises 3/93 - 9/94. Chief Sci.: J. Murray

Teaching Experience:
Undergraduate supervisor: Advised student developing an ecosystem model of Puget Sound. Advised student developing nitrate analyzer. Summer 2000 to Spring 2001.
Instructor
: Washington Initiative for Science Education - Science Teacher Enhancement Program. Guided teachers on field trips of scientific discovery. Summers of 1995 and 1996.
Coordinator and Lecturer
: University of Washington Outreach Program. Designed and gave lectures at middle and secondary schools on oceanography. Fall, 1994 - Winter, 1995.
Teaching Assistant
, UW Oceanography, Seattle, WA. Led cooperative learning sessions, held office hours, performed grading. Phys. Ocean. - Winter 1994. Chem. Ocean. - Spring, 1994.
Teaching Assistant
, UCSD Chemistry, La Jolla, CA. Held discussions, problem sessions and office hours, performed grading. General Chem.: Winter, 1991 - Spring, 1992. Organic Chem.: Fall, 1992. General Chem. Lab.: Winter, 1993.

Special Skills:
Analytical chemistry (radioisotopes, trace metals, stable isotopes, chlorophyll, carbon/nitrogen, oxygen, nitrate, silicate, chloride, pH and alkalinity); experimental design; data management, statistical analysis and numerical modeling on UNIX, PC and Macintosh computer platforms in Fortran, C, Matlab and Excel; research SCUBA; carpentry; small vessel handling.

Honors:
Department of Commerce Silver Medal (2013); GFDL Outstanding Paper Award (2011); NASA Earth System Science Fellow (1995-1998); Scripps Undergraduate Research Fellow (1992); Howard Hughes Undergraduate Research Fellow (1992); Howard Hughes Scientific Enrichment Fellow (1989)

Publications:
Stock, C A., J P Dunne, and J John, in press: Global-scale carbon and energy flows through the marine food web: an analysis with a coupled physical-biological mode. Progress in Oceanography.

Gnanadesikan, Anand, John P Dunne, and Rym Msadek, in press: Connecting Atlantic Temperature Variability and Biological Cycling in two Earth System Models. Journal of Marine Systems. DOI:10.1016/j.jmarsys.2013.10.003. 10/13.

Logan, C A., J P Dunne, C M Eakin, and S D Donner, 2014: Incorporating adaptive responses into future projections of coral bleaching. Global Change Biology, 20(1), DOI:10.1111/gcb.12390.

Beaulieu, C, S A Henson, J L Sarmiento, and J P Dunne, et al., 2013: Factors challenging our ability to detect long-term trends in ocean chlorophyll. Biogeosciences, 10(4), DOI:10.5194/bg-10-2711-2013.

Bopp, L, and J P Dunne, et al., 2013: Multiple stressors of ocean ecosystems in the 21st century: projections with CMIP5 models. Biogeosciences, 10(10), DOI:10.5194/bg-10-6225-2013.

Brody, S R., S Lozier, and J P Dunne, 2013: A comparison of methods to determine phytoplankton bloom initiation. Journal of Geophysical Research, 118(5), DOI:10.1002/jgrc.20167.

Cheung, W. W., J. L. Sarmiento, J. P. Dunne, and T. L. Frolicher, et al., 2013: Shrinking of fishes exacerbates impacts of global ocean changes on marine ecosystems. Nature Climate Change. DOI:10.1038/NCLIMATE1691. 9/12.

Cocco, V., F. Joos, M. Steinacher, T. L. Frolicher, L. Bopp, and J. P. Dunne, et al., 2013: Oxygen and indicators of stress for marine life in multi-model global warming projections. Biogeosciences Discussions. DOI:10.5194/bgd-9-10785-2012. 8/12.

Dunne, J. P., J. John, E. Shevliakova, R. J. Stouffer, J. P. Krasting, S. Malyshev, P. C. D. Milly, L. T. Sentman, A. Adcroft, W. F. Cooke, K. A. Dunne, S. M. Griffies, R. W. Hallberg, M. J. Harrison, H. Levy II, A. T. Wittenberg, P. Phillipps, and N. Zadeh, 2013: GFDL's ESM2 global coupled climate-carbon Earth System Models Part II: Carbon system formulation and baseline simulation characteristics. Journal of Climate. DOI:10.1175/JCLI-D-12-00150.1. 10/12.

Dunne, J P., R J Stouffer, and J John, 2013: Reductions in labour capacity from heat stress under climate warming. Nature Climate Change, 3(6), DOI:10.1038/nclimate1827.

Hallberg, R. W., A. Adcroft, J. P. Dunne, J. P. Krasting, and R. J Stouffer, 2012: Sensitivity of 21st Century Global-mean Steric Sea Level Rise to Ocean Model Formulation. Journal of Climate. DOI:10.1175/JCLI-D-12-00506.1. 12/12.

Hazen, E. L., R. Rykaczewski, and J. P. Dunne, et al., 2012: Predicted habitat shifts of Pacific top predators in a changing climate. Nature Climate Change. DOI:10.1038/nclimate1686. 9/12.

Howell, E. A., C. Wabnitz, J. P. Dunne, and J. J. Polovina, 2012: Climate-induced primary productivity change and fishing impacts on the Central North Pacific ecosystem and Hawaii-based pelagic longline fishery. Climatic Change. DOI:10.1007/s10584-012-0597-z. 10/12.

Jonsson, B. F., S. C. Doney, J. P. Dunne, and M. Bender, 2013: Evaluation of Southern Ocean O2/Ar-based NCP estimates in a model framework. Journal of Geophysical Research. DOI:10.1002/jgrg.20032. 2/13.

Pastor, M V., J B Palter, J L Pelegri, and John P Dunne, 2013: Physical drivers of interannual chlorophyll variability in the eastern subtropical North Atlantic. Journal of Geophysical Research, 118, DOI:10.1002/jgrc.20254.

Resplandy, L, L Bopp, James C Orr, and John P Dunne, 2013: Role of mode and intermediate waters in future ocean acidification: analysis of CMIP5 models. Geophysical Research Letters, 40(12), DOI:10.1002/grl.50414.

Vancoppenolle, M, L Bopp, G Madec, J P Dunne, T Ilyina, P R Halloran, and N Steiner, 2013: Future Arctic Ocean Primary Productivity from CMIP5 Simulations: Uncertain Outcome, but Consistent Mechanisms. Global Biogeochemical Cycles, 27, DOI:10.1002/gbc.20055.

Woodworth, P. A., J. J. Polovina, J. P. Dunne, and J. L. Blanchard, 2013: Ecosystem size structure response to 21st century climate projection: large fish abundance decreases in the central North Pacific and increases in the California Current. Global Change Biology, 19(3), DOI:10.1111/gcb.12076.

Bianchi, D., J. P. Dunne, J. L. Sarmiento, and E. D. Galbraith, 2012: Data-based estimates of suboxia, denitrification and N2O production in the ocean, and their sensitivities to dissolved O2. Global Biogeochemical Cycles, 26, GB2009, DOI:10.1029/2011GB004209.

Dunne, J. P., J. John, A. Adcroft, S. M. Griffies, R. W. Hallberg, E. Shevliakova, R. J. Stouffer, W. F. Cooke, K. A. Dunne, M. J. Harrison, J. P. Krasting, S. Malyshev, P. C. D. Milly, P. Phillipps, L. T. Sentman, B. L. Samuels, M. J. Spelman, M. Winton, A. T. Wittenberg, and . Zadeh, 2012: GFDL's ESM2 global coupled climate-carbon Earth System Models Part I: Physical formulation and baseline simulation characteristics. Journal of Climate, 25(19), DOI:10.1175/JCLI-D-11-00560.1.

Dunne, J. P., B. Hales, and J. R. Toggweiler, 2012: Global calcite cycling constrained by sediment preservation controls. Global Biogeochemical Cycles, 26, GB3023, DOI:10.1029/2010GB003935.

Gnanadesikan, A., J. P. Dunne, and J. John, 2012: Understanding why the volume of suboxic waters does not increase over centuries of global warming in an Earth System Model. Biogeosciences, 9(3), DOI:10.5194/bg-9-1159-2012.

John, J., A. M. Fiore, V. Naik, L. W. Horowitz, and J. P. Dunne, 2012: Climate versus emission drivers of methane lifetime from 1860-2100. Atmospheric Chemistry and Physics, 12(24), DOI:10.5194/acp-12-12021-2012.

Keller, K. M., T. L. Frolicher, and J. P. Dunne, et al., 2012: Variability of the ocean carbon cycle in response to the North Atlantic Oscillation. Tellus B, DOI:10.3402/tellusb.v64i0.18738.

Logan, C A., J. P. Dunne, C. M. Eakin, and S. D. Donner, 2012: A framework for comparing coral bleaching thresholds In Proceedings of the 12th International Coral Reef Symposium, Cairns, Australia, 9-13 July 2012, 1-5.

Ainsworth, C. H., J. F. Samhouri, D. S. Busch, W. W. L. Cheung, J. P. Dunne, and T. A. Okey, 2011: Potential impacts of climate change on Northeast Pacific marine foodwebs and fisheries. ICES Journal of Marine Science, 68(6), DOI:10.1093/icesjms/fsr043.

Cheung, W W., John P Dunne, Jorge L Sarmiento, and D J Pauly, 2011: Integrating ecophysiology and plankton dynamics into projected maximum fisheries catch potential under climate change in the Northeast Atlantic. ICES Journal of Marine Science. doi:10.1093/icesjms/fsr012. 4/11.

Galbraith, E D., E Y Kwon, Anand Gnanadesikan, K B Rodgers, Stephen Griffies, D Bianchi, Jorge L Sarmiento, John P Dunne, J Simeon, Richard D Slater, Andrew T Wittenberg, and Isaac Held, in press: Climate Variability and Radiocarbon in the CM2Mc Earth System Model. Journal of Climate. 3/11.

Fan, S.-M., and J. P. Dunne, 2011: Models of iron speciation and concentration in the stratified epipelagic ocean. Geophysical Research Letters, 38, L15611, DOI:10.1029/2011GL048219.

Polovina, J J., John P Dunne, P A Woodworth, and E A Howell, 2011: Projected expansion of the subtropical biome and contraction of the temperate and equatorial upwelling biomes in the North Pacific under global warming. ICES Journal of Marine Science. doi:10.1093/icesjms/fsq198. 2/11.

Stock, Charles A., Thomas L Delworth, John P Dunne, Stephen Griffies, R Rykaczewski, Jorge L Sarmiento, Ronald J Stouffer, and Gabriel A Vecchi, et al., 2011: On the use of IPCC-class models to assess the impact of climate on Living Marine Resources. Progress in Oceanography, 88(1-4), doi:10.1016/j.pocean.2010.09.001.

Adcroft, A., R. W. Hallberg, J. P. Dunne, B. L. Samuels, J. Galt, C. Barker, and D. Payton, 2010: Simulations of underwater plumes of dissolved oil in the Gulf of Mexico. Geophysical Research Letters, 37, L18605, doi:10.1029/2010GL044689.

Galbraith, E D., A. Gnanadesikan, J. P. Dunne, and M. R. Hiscock, 2010: Regional impacts of iron-light colimitation in a global biogeochemical model. Biogeosciences, 7(3), 1043-1064.

Henson, S A., J. L. Sarmiento, J. P. Dunne, L. Bopp, I. Lima, S. C. Doney, J. John, and C. Beaulieu, 2010: Detection of anthropogenic climate change in satellite records of ocean chlorophyll and productivity. Biogeosciences, 7(2), 621-640.
 
Rykaczewski, R, and J. P. Dunne, November 2010: Enhanced nutrient supply to the California Current Ecosystem with global warming and increased stratification in an earth system model. Geophysical Research Letters, 37, L21606, doi:10.1029/2010GL045019.

Saba, V S., and J. P Dunne, et al., September 2010: Challenges of modeling depth-integrated marine primary productivity over multiple decades: A case study at BATS and HOT. Global Biogeochemical Cycles, 24, GB3020, doi:10.1029/2009GB003655.

Sarmiento, J. L., R. D. Slater, J. P. Dunne, A. Gnanadesikan, and M. R. Hiscock, 2010: Efficiency of small scale carbon mitigation by patch iron fertilization. Biogeosciences, 7(11), 3593-3624.

Stock, C. A., and J. P. Dunne, 2010: Controls on the ratio of mesozooplankton production to primary production in marine ecosystems. Deep-Sea Research, Part I, 57(1), doi:10.1016/j.dsr.2009.10.006.
 
Christensen, V., J. P. Dunne, and J. L. Sarmiento, et al. 2009: Database-driven models of the world's Large Marine Ecosystems. Ecological Modelling, 220(17), doi:10.1016/j.ecolmodel.2009.04.041.
 
Friedrichs, M. A., and J. P. Dunne, et al. 2009: Assessing the uncertainties of model estimates of primary productivity in the tropical Pacific Ocean. Journal of Marine Systems, 76(1-2), doi:10.1016/j.jmarsys.2008.05.010.
 
Henson, S. A., J. P. Dunne, and J. L. Sarmiento, 2009: Decadal variability in North Atlantic phytoplankton blooms. Journal of Geophysical Research, 114, C04013, doi:10.1029/2008JC005139.
 
Henson, S. A., D. Raitsos, J. P. Dunne, and A. McQuatters-Gollop, 2009: Decadal variability in biogeochemical models: Comparison with a 50-year ocean colour dataset. Geophysical Research Letters, 36(L21601), doi:10.1029/2009GL040874.

Rodgers, K. B., R. M. Key, A. Gnanadesikan, J. L. Sarmiento, J P. Dunne, and A. R. Jacobson, et al., 2009: Using altimetry to help explain patchy changes in hydrographic carbon measurements. Journal of Geophysical Research, C09013, doi:10.1029/2008JC005183.

Anderson, W. G., A. Gnanadesikan, R. W. Hallberg, J. P. Dunne, and B. L. Samuels, 2007: Impact of ocean color on the maintenance of the Pacific Cold Tongue. Geophysical Research Letters, 34, L11609, doi:10.1029/2007GL030100.

Friedrichs, M. A. M., et al. 2007: Assessment of skill and portability in regional marine biogeochemical models: the role of multiple planktonic groups.
J. Geophys. Res., 112, doi:10.1029/2006JC003852.

Dunne, J. P., J. L. Sarmiento, and A. Gnanadesikan, 2007: A synthesis of global particle export from the surface ocean and cycling through the ocean interior and on the seafloor.
Global Biogeochem. Cycles, 20, doi:10.1029/2006GB002907.

Deutsch, C. A., J. L. Sarmiento, D. M. Sigman, N. Gruber, and J. P. Dunne, 2007: Oceanic N2 fixation diagnosed from nutrient distributions,
Nature, 445, 163-167.

Carr, M.-E., M. Friedrichs, M. Schmeltz, M. N. Aita, D. Antoine, K. R. Arrigo, I. Asanuma, O. Aumont, R. Barber, M. Behrenfeld, R. Bidigare, E. Buitenhuis, J. Campbell, A. Ciotti, H. Dierssen, M. Dowell, J. Dunne, W. Esaias, B. Gentili, S. Groom, N. Hoepffner, J. Ishizaka, T. Kameda, C. LeQuere, S. Lohrenz, J. Marra, F. Melin, K. Moore, A. Morel, T. Reddy, J. Ryan, M. Scardi, T. Smyth, K. Turpie, G. Tilstone, K. Waters, Y. Yamanaka, 2006: A comparison of global estimates of primary production from ocean color. Deep-Sea Research II, 53, 741-770.

Passow, U. J. P. Dunne, J. W. Murray, L. Balistrieri and A. L. Alldredge, 2006: Organic carbon to 234Th ratios of organic matter, Marine Chemistry, 100, 323-336.

Gnanadesikan A, K. W. Dixon, S. M. Griffies, V. Balaji, M. Barreiro, J. A. Beesley, W. F. Cooke, T. L. Delworth, R. Gerdes, M. J. Harrison, I. M. Held, W. J. Hurlin, H. C. Lee, Z. Liang, G. Nong, R. C. Pacanowski, A. Rosati, J. Russell, B. L. Samuels, Q. Song, M. J. Spelman, R. J. Stouffer , C. O. Sweeney, G. Vecchi, M. Winton, A. T. Wittenberg, F. Zeng, R. Zhang, J. P Dunne, 2006: GFDL's CM2 global coupled climate models. Part II: The baseline ocean simulation. Journal of Climate, 19, 675-697.

Delworth, T. L., A. J. Broccoli, A. Rosati, R. J. Stouffer, V. Balaji, J. A. Beesley, W. F. Cooke, K. W. Dixon, J. P. Dunne, K. A. Dunne, J. W. Durachta, K. L. Findell, P. Ginoux, A. Gnanadesikan, C. T. Gordon, S. M. Griffies, R. Gudgel, M. J. Harrison, I. M. Held, R. S. Hemler, L. W. Horowitz, S. A. Klein, T. R. Knutson, P. J. Kushner, A. R. Langenhorst, H.-C. Lee, S.-J. Lin, J. Lu, S. L. Maleshev, P. C. D. Milly, V. Ramaswamy, J. Russell, M. D. Schwarzkopf, E. Schevliakova, J. J. Sirutis, M. J. Spelman, W. F. Stern, M. Winton, A. T. Wittenberg, B. Wyman, F. Zeng, R. Zhang (2006) GFDL's CM2 global coupled climate models - Part I: Formulation and simulation characteristics. Journal of Climate, 19, 643-674.

Jin X., N. Gruber, J. P. Dunne, J. L. Sarmiento, R. A. Armstrong, 2006: Diagnosing the contribution of phytoplankton functional groups to the production and export of particulate organic carbon, CaCO3, and opal from global nutrient and alkalinity distributions. Global Biogeochemical Cycles, 20, GB2015.

Dunne, J. P., R. A. Armstrong, A. Gnanadesikan, J. L. Sarmiento, and R. D. Slater, 2005: Empirical and mechanistic models for particle export ratio.
Global Biogeochem. Cycles, 18, doi:10.1029/2004GB002390.

Murray, B. Paul, J. P. Dunne, and T. Chapin, 2005:
234Th, 210Pb, 210Po and stable Pb in the central equatorial Pacific: Tracers for particle cycling. Deep-Sea Research I, 52, 2109-2139.

Griffies, S. M., A. Gnanadesikan, A., K. W. dixon, J. P. Dunne, R. Gerdes, M. J. Harrison, A. Rosati, J. L. Russell, B. L. Samuels, M. J. Spelman, M. Winton, and R. Zhang, 2005:
Formulation of an ocean model for global climate simulations. Ocean Science, 1, 45-79.

Gnanadesikan, A., J. P. Dunne, R. M. Key, K. Matsumoto, J. L. Sarmiento, R. D. Slater, and P. S. Swathi, 2004: Oceanic ventilation and biogeochemical cycling: Understandintg the physical mechanisms that produce realistic distributions of tracers and productivity. Global Biogeochem. Cycles., 18, GB4010, doi:10.1029/2003GB002097.

Sarmiento, J. L., N. Gruber, M. A. Brzezinski, and J. P. Dunne, 2004: High latitude controls of the global nutricline and low latitude biological productivity. Nature, 427, 56-60

Sarmiento, J. L., J. P. Dunne, A. Gnanadesikan, R. M. Key, K. Matsumoto and R. Slater, 2002: A new estimate of the CaCO3 to organic carbon export ratio. Global Biogeochemical Cycles, 16.

Dunne, J. P., S. Emerson and A. H. Devol, 2002: The Oceanic Remote Chemical/optical Analyzer (ORCA) - an autonomous moored profiler, Journal of Atmospheric and Oceanic Technology, 19, 1709-1721.

Aufdenkampe, A. K., J. J. McCarthy, C. Navarette, M. Rodier, J. P. Dunne, and J. W. Murray, 2002: Biogeochemical controls on new production in the tropical Pacific. Deep-Sea Research II, 49, 2619-2648.

Aufdenkampe, A. K., J. J. McCarthy, M. Rodier, C. Navarette, J. P. Dunne and J. W. Murray, 2001: Estimation of new production in the tropical Pacific, Global Biogeochemical Cycles, 15, 101-113.

Dunne, J. P., J. Murray, M. Rodier and D. Hansell, 2000: Export flux in the western and central equatorial Pacific: zonal and temporal variability, Deep-Sea Research I, 47, 901-936.

Dunne, J. P., J. W. Murray, A. K. Aufdenkampe, S. Blain and M. Rodier, 1999: Silicon:nitrogen coupling in the equatorial Pacific upwelling zone. Global Biogeochemical Cycles, 13, 715-726.

Dunne, J. P., and J. W. Murray, 1999: Sensitivity of 234Th export to physical processes in the central equatorial Pacific, Deep-Sea Research I, 46, 831-854.

Dunne, J. P., 1999: Measured and Modeled Particle Export in Equatorial and Coastal Upwelling Regions. Ph. D. Thesis, University of Washington, 167 pp.

Dunne, J. P., J. W. Murray, J. Young, L. Balistrieri and J. K. B. Bishop, 1997: 234Th and particle cycling in the central equatorial Pacific, Deep Sea Research II, 44, 2049-2083.

Archer, D., R. C. Barber, and J. P. Dunne et. al., 1997: A meeting place of great ocean currents: Shipboard observations of a convergent front at 2ºN in the Pacific, Deep Sea Research II, 44, 1827-1849.

Murray, J. W., J. Young, J. Newton, J. Dunne, T. Chapin and B. Paul, 1996: Export flux of particulate organic carbon from the central equatorial Pacific determined using a combined drifting trap-234Th approach, Deep-Sea Research II, 43, 1095-1132.