• Santos, B. S., D. M. Kaplan, M.A.M. Friedrichs, S. G. Barco, K. L. Mansfield, J. P. Manning, 2018. Consequences of drift and carcass decomposition for estimating sea turle mortality hotspots, Ecological Indicators, 84, 319-336, doi: 10.1016/j.ecolind.2017.08.064.


  • Irby, I.D.M.A.M. Friedrichs, F. Da and K. Hinson, 2017. The competing impacts of climate change and nutrient reductions on dissolved oxygen in Chesapeake Bay. Biogeosciences Discussions, in review. doi: 10.5194/bg-2017-416. Open Access.
  • St-Laurent, P., M.A.M. Friedrichs, R.G. Najjar, D.K. Martins, M. Herrmann, S.K. Miller and J. Wilkin, 2017. Impacts of Atmospheric Nitrogen Deposition on Surface Waters of the Western North Atlantic Mitigated by Multiple Feedbacks. Accepted for publication in Journal of Geophysical Research: Oceans, 122, doi: 10.1002/2017jc013072. Open Access.
  • Kaufman, D.E., M.A.M. Friedrichs, J.C.P. Hemmings, W.O. Smith, Jr., 2017. Assimilating bio-optical glider data during a phytoplankton bloom in the southern Ross Sea. Biogeosciences Discussion, In Review. doi: 10.5194/bg-2017-258. Open Access.
  • Luettich, R.A., L.D. Wright, C.R. Nichols, R. Baltes, M.A.M. Friedrichs, A. Kurapov, A.J. van der Westhuysen, K. Fennel and E. Howlett, 2017. A test bed for coastal and ocean modeling. EOS - Earth & Space News, August 2017, doi: 10.1029/2017EO078243. Open Access.
  • Moriarty, J.M., C.K. Harris, K. Fennel, M.A.M. Friedrichs, K. Xu and  C. Rabouille, 2017. The roles of resuspension, diffusion and biogeochemical processes on oxygen dynamics offshore of the Rhone River, France: a numerical modeling study. Biogeosciences, 14, 1919-1946, doi: 10.5194/bg-14-1919-2017. Open Access.
  • Kaufman, D. E., M.A.M. Friedrichs, W.O. Smith, Jr., E.E. Hofmann, M.S. Dinniman, J.C.P. Hemmings, 2017. Climate change impacts on southern Ross Sea phytoplankton, composition, productivity and export. Journal of Geophysical Research: Oceans, 122, 23392359, doi: 10.1002/2016JC012514. Open Access.


  • Irby, I.D.M.A.M. Friedrichs, C.T. Friedrichs, A.J. Bever, R.R. Hood, L.W.J. Lanerolle, M. Li, L. Linker, M.E. Scully, K. Sellner, J. Shen, J. Testa, H. Wang, P. Wang, and M. Xia, 2016. Challenges associated with modeling low-oxygen waters in Chesapeake Bay: a multiple model comparison. Biogeosciences, 13, 2011-2028, doi: 10.5194/bg-13-2011-2016. Open Access.
  • Lynch, E.M., D.E. Kaufman, A.S. Sharma, E. Kalnay, K. Ide, 2016. Brief Communication: Breeding vectors in the phase space reconstructed from time series data. Nonlinear Processes in Geophysics, 23, 127-141. doi: 10.5194/npg-23-137-2016.
  • Lee, Y.J., P.A. Matrai, M.A.M. Friedrichs, V.S. Saba, and the PPARR team, 2016. Net primary productivity estimate and environmental variables in the Arctic Ocean: An assessment of coupled physical-biogeochemical models. Journal of Geophysical Research: Oceans, 121, 6508-6541, doi: 10.1002/2016JC011993. Open Access.
  • Ye, F., Y.J. Zhang, M.A.M. Friedrichs, H.V. Wang, I. Irby, J. Shen, Z. Wang, 2016. A 3D, cross-scale baroclinic model with implicit vertical transport for the upper Chesapeake Bay and its tributaries. Ocean Modeling, 107, 82-96, doi: 10.1016/j.ocemod.2016.10.004. Online Access.
  • Mannino, A., S. Signorini, M. Novak, J. Wilkin, M.A.M. Friedrichs, R.G. Najjar, 2016. Dissolved organic carbon fluxes in the Middle Atlantic Bight: An integrated approach based on satellite data and ocean model products. Journal of Geophysical Research: Biogeosciences, 121, 312336, doi: 10.1002/2015JG003031. Online Access.
  • Cahill, B., J. Wilkin, K. Fennel, D. Vandemark, and M.A.M. Friedrichs, 2016. Inter-annual and seasonal variability in air-sea CO2 fluxes along the U.S. Eastern Continental Shelf and their sensitivity to increasing air temperatures and variable winds. Journal of Geophysical Research: Biogeosciences, 121, 295-311, doi: 10.1002/2015JG002939. Online Access.
  • Kuehl, S.A., C. R. Alexander, N.E. Blair, C.K. Harris, K.M. Marsaglia, A.S. Ogston, A.R. Orpin, J.J. Roering, A.J. Bever, E.L. Bilderback, L. Carter, C. Cerovski-Darriau, L.B. Childress, D.R. Corbett, R.P. Hale, E.L. Leithold, N. Litchfield, J.M. Moriarty, M.J. Page, L.E.R. Pierce, P. Upton, and J.P. Walsh, 2016. A Source to Sink Perspective of the Waipaoa River Margin. Earth-Science Reviews, 153, 301-334. doi: 10.1016/j.earscirev.2015.10.001. Online Access.


  • Lee, Y., P.A. Matrai, M.A.M. Friedrichs, V.S. Saba and the Arctic PPARR team, 2015. An assessment of phytoplankton primary productivity in the Arctic Ocean from satellite ocean color/in situ chlorophyll-a based models. Journal of Geophysical Research: Oceans, 12065086541, doi: 10.1002/2015JC011018. Open Access.
  • Feng, Y., M.A.M. Friedrichs, J. Wilkin, H. Tian, Q. Yang, E.E. Hofmann, J.D. Wiggert, R.R. Hood, 2015. Chesapeake Bay nitrogen fluxes derived from a land-estuarine ocean biogeochemical modeling system: Model description, evaluation and nitrogen budgets. Journal of Geophysical Research - Biogeosciences, 12016661695doi:10.1002/2015JG002931. Open Access.
  • Moriarty, J.M., C.K. Harris, and M.G. Hadfield, 2015. Event-to-seasonal sediment dispersal on the Waipaoa River Shelf, New Zealand: a numerical modeling study. Continental Shelf Research, 110, 108-123. doi:10.1016/j.csr.2015.10.005. Open Access.
  • Yang, Q., H. Tian, M.A.M. Friedrichs, C. S. Hopkinson, C. Lu, R. G. Najjar, 2015. Increased nitrogen export from eastern North America to the Atlantic Ocean due to climatic and anthropogenic changes during 1901-2008. Journal of Geophysical Research: Biogeosciences, 120, 1046-1068, doi:10.1002/2014JG002763. Online Access.
  • Tian, H., Q. Yang, R. Najjar, W. Ren, M.A.M. Friedrichs, C.S. Hopkinson, S. Pan, 2015. Anthropogenic and climatic influences on carbon fluxes from eastern North America to the Atlantic Ocean: A process-based modeling study. Journal of Geophysical Research - Biogeosciences, 120, 757-772, doi:10.1002/2014JG002760. Open Access.
  • Yang, Q.H. TianM.A.M. FriedrichsM. LiuX. Li, and J. Yang2015Hydrological Responses to Climate and Land-Use Changes along the North American East Coast: A 110-Year Historical ReconstructionJournal of the American Water Resources Association, 51, 47-67. doi:10.1111/jawr.12232. Online Access.
  • Queste, B.Y., K.J. Heywood, W.O. Smith, D.E. Kaufman, T.D. Jickells, M.S. Dinniman, 2015. Dissolved oxygen dynamics during a phytoplankton bloom in the Ross Sea polynya. Antarctic Science, 27(4), 362-372, doi:10.1017/S0954102014000881. Open Access.


  • Kaufman, D.E.M.A.M. Friedrichs, W. O. Smith, B. Y. Queste, K. J. Heywood, 2014. Biogeochemical variability in the southern Ross Sea as observed by a glider deployment. Deep-Sea Research I, 92, 93-106, doi:10.1016/j.dsr.2014.06.011. Open Access.
  • Smith, W.O., Jr., K.T. Goetz, D.E. Kaufman, B.Y. Queste, V. Asper, D.P. Costa, M.S. Dinniman, M.A.M. Friedrichs, E.E. Hofmann, K.J. Heywood, J.M. Klinck, J.T. Kohut, and C.M. Lee, 2014. Multiplatform, multidisciplinary investigations of the impacts of Modified Circumpolar Deep Water in the Ross Sea, Antarctica. Oceanography  27(2), 180–185, doi:10.5670/oceanog.2014.36. Open Access.
  • Xiao, Y., and M.A.M. Friedrichs, 2014. Using biogeochemical data assimilation to assess the relative skill of multiple ecosystem models: effects of increasing the complexity of the planktonic food web. Biogeosciences, 11, 3015-3030, doi:10.5194/bg-11-3015-2014. Open Access.
  • Xiao, Y. and M.A.M. Friedrichs, 2014. The assimilation of satellite-derived data into a one-dimensional lower trophic level marine ecosystem model. Journal of Geophysical Research-Oceans, 119, 2691-2712, doi:10.1002/2013JC009433. Open Access.


  • Bever, A.J.M.A.M. Friedrichs, C. T. Friedrichs, M. E. Scully, L. W. J. Lanerolle, 2013. Combining observations and numerical model results to improve estimates of hypoxic volume within the Chesapeake Bay, USA. Journal of Geophysical Research: Oceans, 118, 10, 4924-4944. Open Access.
  • Signorini, S. R., A. Mannino, R. G. Najjar Jr., M.A.M. Friedrichs, W.-J. Cai, J. Salisbury, Z. A. Wang, H. Thomas, and E. Shadwick, 2013. Surface ocean pCO2 seasonality and sea-air CO2 flux estimates for the North American east coast. Journal of Geophysical Research: Oceans, 118, 10, 5439-5460, doi:10.1002/jgrc.20369. Open Access.
  • Luettich, R. A., L.D. Wright, R. Signell, C. Friedrichs, M. Friedrichs, J. Harding, K. Fennel, E. Howlett, S. Graves, E. Smith, G. Crane, and R. Baltes, 2013. The U.S. IOOS coastal and ocean modeling testbed. Journal of Geophysical Research: Oceans, 118, 6319-6328, doi:10.1002/2013JC008939. Open Access.


  • Luo, Y.-W., H. W. Ducklow, M.A.M. Friedrichs, M. J. Church, D. M. Karl, and S. C. Doney, 2012. Interannual variability of primary production and dissolved organic nitrogen storage in the North Pacific Subtropical Gyre. Journal of Geophysical Research: Biogeosciences, 117, G03019, doi:10.1029/2011JG001830. Open Access.


  • Saba, V.S.M.A.M. Friedrichs, and the PPARR team, 2011. An evaluation of ocean color model estimates of marine primary productivity in coastal and pelagic regions across the globe. Biogeosciences, 8, 489-503,doi: 10.5194/bg-8-489-2011. Open Access.
  • Hofmann, E.E., B. Cahill, K. Fennel, M.A.M. Friedrichs, K. Hyde, C. Lee, A. Mannino, R.G. Najjar, J.E. O'Reilly, J. Wilkin, J. Xue, 2011. Modeling the dynamics of continental shelf carbon. Annual Review of Marine Science, 3, 93-122. doi: 10.1146/annurev-marine-120709-142740.Online Access.


  • Druon, J-N, A. Mannino, C. McClain, M. Friedrichs, J. Wilkin, K. Fennel, 2010. Modeling the dynamics and export of dissolved organic matter in the Northeastern U.S. continental shelf. Estuarine, Coastal and Shelf Science, 88, 488-507, doi: 10.1016/j.ecss.2010.05.010. Online Access.
  • Saba, V.S.M.A.M. Friedrichs, M.-E. Carr and the PPARR team, 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. Open Access.
  • Ward, B.A., M.A.M Friedrichs, T.R. Anderson, A. Oschlies, 2010. Parameter optimisation techniques and the problem of underdetermination in marine biogeochemical models. Journal of Marine Systems 81, 34-43, doi:10.1016/j.jmarsys.2009.12.005. Online Access.
  • Luo, Y., M.A.M Friedrichs, S.C. Doney, M.J. Church, H.W. Ducklow, 2010. Oceanic heterotrophic bacterial nutrition by semilabile DOM as revealed by data assimilative modeling. Aquatic Microbial Ecology, 60, 273-287, doi:10.3354/ame01427. Online Access.


  • Friedrichs, M.A.M., Carr, M.-E., Barber, R., Scardi, M., Antoine, D., Armstrong, R.A., Asanuma,I., Behrenfeld, M.J., Buitenhuis, E.T., Chai, F., Christian, J.R., Ciotti, A.M., Doney, S.C., Dowell, M., Dunne, J., Gentili, B., Gregg, W., Hoepffner, N., Ishizaka, J., Kameda, T., Lima, I., Marra, J., Mélin, F., Moore, J.K., Morel, A., O'Malley, R.T., O'Reilly, J., Saba, V.S., Schmeltz, M., Smyth, T.J., Tjiputra, J., Waters, K., Westberry, T.K., Winguth, A., 2009. Assessing the uncertainties of model estimates of primary productivity in the tropical Pacific Ocean. Journal of Marine Systems, 76, 113-133, doi: 10.1016/j.jmarsys.2008.05.010. Online Access.
  • Gregg, W., M.A.M. Friedrichs, A. R. Robinson, K. Rose, R. Schlitzer, and K.R. Thompson, 2009. Skill assessment in ocean biological data assimilation. Journal of Marine Systems, 76, 16-33, doi:10.1016/j.jmarsys.2008.05.006. Online Access.
  • Jolliff, J., J.C. Kindle, I. Shulman, B. Penta, M.A.M.Friedrichs, R.Helber, R.A. Arnone, 2009. Summary diagrams for coupled hydrodynamic-ecosystem model skill assessment. Journal of Marine Systems, 76, 64-82, doi:10.1016/j.jmarsys.2008.05.014. Online Access.
  • Stow, C.A., J.K. Jolliff, D.J. McGillicuddy, Jr., S.C. Doney, M.A.M. Friedrichs, J.I. Allen, K.A Rose, and P. Wallhead, 2009. Skill Assessment for Coupled Biological/Physical Models of Marine Systems. Journal of Marine Systems, 76, 4-15, doi:10.1016/j.jmarsys.2008.03.011. Online Access.

2001 - 2008

  • Hofmann, E. E., J.-N. Druon, K. Fennel, M.A.M. Friedrichs, D. Haidvogel, C. Lee, A. Mannino, C. McClain, R. Najjar, J. Siewert, J. OReilly, D. Pollard, M. Previdi, S. Seitzinger, S. Signorini, J. Wilkin, 2008. Eastern U.S. Continental Shelf Carbon Budget: Integrating Models, Data Assimilation, and Analysis, Oceanography, 21 (1): 86-104. doi: 10.5670/oceanog.2008.70. Open Access.
  • Friedrichs, M.A.M., J. Dusenberry, L. Anderson, R. Armstrong, F. Chai, J. Christian, S.C. Doney, J. Dunne, M. Fujii, R. Hood, D. McGillicuddy, K. Moore, M. Schartau, Y. H. Sptiz, J. Wiggert, 2007. Assessment of skill and portability in regional marine biogeochemical models: role of multiple phytoplankton groups. Journal of Geophysical Research, 112, CO8001, doi:10.1029/2006JC003852. Open Access.
  • Carr, M.-E., M.A.M. Friedrichs and the PPARR3 team, 2006. A comparison of global estimates of marine primary production from ocean color. Deep-Sea Research II, 53: 741-770. Download
  • Friedrichs, M.A.M., R. Hood, and J. Wiggert, 2006. Ecosystem model complexity versus physical forcing: Quantification of their relative impact with assimilated Arabian Sea data. Deep-Sea Research II, 53: 576-600. Download
  • Hood, R., E. Laws, K. Moore, R. Armstrong, N. Bates, C. Carlson, F. Chai, S. Doney, P. Falkowski, D. Feely,M. Friedrichs, M. Landry, R. Letelier, D. Nelson, T. Richardson, B. Salihoglu, J. Wiggert, and M. Schartau, 2006. Functional group modeling: progress, challenges and prospects. Deep-Sea Research II, 53: 459-512. Open Access.
  • Friedrichs, M.A.M., 2002. Assimilation of SeaWiFS and JGOFS EqPac data into a marine ecosystem model of the central equatorial Pacific. Deep-Sea Research II, 49: 289-319. Online Access.
  • Hofmann E.E., and M.A.M. Friedrichs, 2002. Predictive modeling for marine ecosystems. In: Robinson, A.R.; McCarthy, J.J.; Rothschild B.J. (eds.), The Sea, Volume 12: Biological-Physical Interactions in the Ocean, John Wiley and Sons, Inc., NY, pp. 537-565. 
  • Doney, S.C., I. Lima, K. Lindsay, J.K. Moore, S. Dutkiewicz, M.A.M. Friedrichs, and R. Matear, 2001. Marine biogeochemical modeling. Oceanography, 14 (4): 93-107. DownloadOpen Access.
  • Friedrichs, M.A.M., 2001. A data-assimilative marine ecosystem model of the central equatorial Pacific: numerical twin experiments. Journal of Marine Research, 59: 859-894. Open Access.
  • Friedrichs, M.A.M., and E.E. Hofmann, 2001. Physical control of biological processes in the central equatorial Pacific. Deep-Sea Research I, 48: 1023-1069. Online Access.
  • Hofmann, E.E., and M.A.M. Friedrichs, 2001. Biogeochemical data assimilation. In: J.H. Steele, S.A. Thorpe, and K.K. Turekian (eds.) Encyclopedia of Ocean Sciences Vol. 1, pp. 302-308. London, UK: Academic Press.