The Batten School & VIMS campus will be closed on Monday, March 15 due to the National Weather Service prediction for severe weather including periods of rain, damaging winds and the potential for tornadoes.

 

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Publications

2025

  • Czajka, C., M.A.M. Friedrichs, E.B. Rivest, P. St-Laurent, M.J. Brush, F. Da (2025). Acidification and nutrient management are projected to cause reductions in shell and tissue weights of oysters in a coastal plain estuary, Biogeosciences, 22, 3181-3206, Open Access.
  • Horemans, D.M.L, J.C. Lin, M.A.M Friedrichs, P. St-Laurent, R.R. Hood, C. Brown (2025). The effect of collinearity between observed and model derived training variables on estuarine algal species distribution models, Ecological Informatics, 103225, Open Access.

2024

  • Bever, A.J., M.A.M. Friedrichs, P. St-Laurent (2021). Real-time environmental forecasts of the Chesapeake Bay: Model setup, improvements, and online visualization, Environmental Modelling & Software, 140, 105036, Open Access.
  • Bian, Z., S. Pan, R.G. Najjar, M.A.M. Friedrichs, E.E. Hofmann, M. Herrmann, K.E. Hinson, P. St-Laurent, H. Tian (2024). Divergent responses of nitrogen-species loadings to future climate change in the Chesapeake Bay watershed, Journal of Hydrology: Regional Studies, 56, 102060. Open Access.
  • Da, F. , M.A.M. Friedrichs, P. St-Laurent, R.G. Najjar, E.H. Shadwick, E.G. Stets (2024). Influence of rivers, tides, and tidal wetlands on estuarine carbonate system dynamics, Estuaries and Coasts, 47, 2283-2305, Open Access.
  • Friedland, K.D., P. Fratantoni, A. Silver, D.C. Brady, A. Gangopadhyay, S. I. Large, R.E. Morse, D.W. Townsend, M.A.M. Friedrichs, D.C. Melrose (2024). Changing source waters on the Northeast US continental shelf: variation in nutrient supply and phytoplankton biomass, Continental Shelf Research 281, 105319, Open Access.
  • Hinson, K.E., M.A.M. Friedrichs, R.G. Najjar, Z. Bian, M. Herrmann, St-Laurent (2024). Response of hypoxia to future climate change is sensitive to methodological assumptions, Scientific Reports, 14, 17544, Open Access.
  • Horemans, D.M.L., M.A.M. Friedrichs, P. St-Laurent,R. Hood, C. Brown (2024). Evaluating the skill of correlative species distribution models trained with mechanistic model output, Ecological Modelling 491, 110692, Open Access.
  • Schonfeld, A.J., G.M. Ralph, J. Gartland, St-Laurent, M.A.M. Friedrichs, R. Latour (2024). Hypoxia influences the extent and dynamics of suitable fish habitat in Chesapeake Bay, USA, Marine Ecology Progress Series 748, 117-135, Open Access.
  • St-Laurent, P., M.A.M. Friedrichs (2024). On the sensitivity of coastal hypoxia to its external physical forcings, Journal of Advances in Modeling Earth Systems 16 (1), Open Access.
  • Tang, W., F. Da, J.C. Tracey, N. Intrator, M.A. Kunes, J.A. Lee, X.S. Wan, A. Jayakumar, M.A.M. Friedrichs, B.B. Ward (2024). Nutrient management offsets the effect of deoxygenation and warming on nitrous oxide emissions in a large US estuary, Science Advances 10(51), Open Access.
  • Zheng, G., S. Schollaert Uz, St-Laurent, M.A.M. Friedrichs, A. Mehta, P.M. DiGiacomo (2024). Hypoxia forecasting for Chesapeake Bay using artificial intelligence, Artificial intelligence for the earth systems, 3, e230054, Open Access.

2023

  • Hinson, K. E., M. A. M. Friedrichs, R.G. Najjar, M. Herrmann, Z. Bian, G. Bhatt, St-Laurent, P.. Tian, G. Shenk (2023). Impacts and uncertainties of climate-induced changes in watershed inputs on estuarine hypoxia, Biogeosciences, 20, 1937-1961, Open Access.
  • Horemans, D.M.L., M.A.M. Friedrichs, P. St-Laurent, R.R. Hood, C.W. Brown (2023). Forecasting Prorocentrum minimum blooms in the Chesapeake Bay using empirical habitat models, Front. Mar. Sci., 10, Open Access.
  • Tian, H., Y. Yao, Y. Li, H. Shi, S. Pan, R. G. Najjar, N. Pan, Z. Bian, Ph. Ciais, W‐ Cai, M. Dai, M.A.M. Friedrichs, H‐Y Li, S. Lohrenz, LR Leung (2023). Increased terrestrial carbon export and CO2 evasion from global inland waters since the preindustrial era, Global Biogeochemical Cycles, 37, e2023GB007776, Open Access.

2022

  • Beal, L. M., L. Padman, L., L. Zhou, L., A. Singh, A., D. Chambers, D., M.A.M. Friedrichs, et al. (2022). What's new at JGR-Oceans? confronting bias, burn out, and big data. Journal of Geophysical Research: Oceans, 127, e2022JC019539, Open Access.
  • Frankel, L.T., M.A.M. Friedrichs, P. St-Laurent, J. Bever, R. N. Lipcius, G. Bhatt, G.W. Shenk (2022). Nitrogen reductions have decreased hypoxia in the Chesapeake Bay: Evidence from empirical and numerical modeling, Science of the Total Environment, 814, 152722, Open Access.
  • Wang, H., D. Gong, M.A.M. Friedrichs, C.K. Harris, T. Miles, H.-C. Yu, Y. Zhang, 2022. A cycle of wind-driven canyon upwelling and downwelling at Wilmington Canyon and the evolution of canyon-upwelled dense water on the MAB shelf. Front. Mar. Sci., 9, Open Access.

2021

  • Bever, A.J., M.A.M. Friedrichs, P. St-Laurent (2021). Real-time environmental forecasts of the Chesapeake Bay: Model setup, improvements, and online visualization, Environmental Modelling & Software, 140, 105036, Open Access.
  • Da, F., M.A.M. Friedrichs, P. St-Laurent, E.H. Shadwick, R.G. Najjar, K.E. Hinson (2021). Mechanisms driving decadal changes in the carbonate system of a coastal plain estuary, Journal of Geophysical Research: Oceans, 126, e2021JC017239, Open Access.
  • Hinson, K.E., M.A.M. Friedrichs, P. St-Laurent, F. Da, R.G. Najjar (2021). Extent and causes of Chesapeake Bay warming, Journal of the American Water Resources Association, Open Access.
  • Lopez, A.G., R.G. Najjar, M.A.M. Friedrichs, M.A. Hickner, D.H. Wardrop, 2021. Estuaries as filters for riverine microplastics: simulations in a large, coastal-plain estuary. Front. Mar. Sci., 8, Open Access.
  • Pan, S., Z. Bian, H. Tian, Y. Yao, R.G. Najjar, M.A.M. Friedrichs, E.E. Hofmann, R. Xu, B. Zhang (2021). Impacts of multiple environmental changes on long-term nitrogen loading from the Chesapeake Bay watershed, Journal of Geophysical Research: Biogeosciences, 126, Open Access.
  • Scavia, D., I. Bertani, J.M. Testa, A.J. Bever, J.D. Blomquist, M.A.M. Friedrichs, L.C. Linker, B.D. Michael, R.R. Murphy, G.W. Shenk (2021). Advancing estuarine ecological forecasts: seasonal hypoxia in Chesapeake Bay, Ecological Applications, 31(6), e02384, Open Access.
  • Moriarty, J.M., M.A.M. Friedrichs and C.K. Harris (2021). Seabed resuspension in the Chesapeake Bay: Implications for biogeochemical cycling and hypoxia. Estuaries & Coasts, 44, 103-122. Open Access.
  • Turner, J.S., P. St-Laurent, M.A.M. Friedrichs, C.T. Friedrichs (2021). Effects of reduced shoreline erosion on Chesapeake Bay water clarity, Science of the Total Environment, 769, 145157, Open Access. 
  • Yao, Y., H. Tian, L. Kalin, S. Pan, M.A.M. Friedrichs, J. Wang, J., et al., (2021). Contrasting stream water temperature responses to global change in the Mid-Atlantic region of the United States: A process-based modeling study, Journal of Hydrology, 601, 126633, Online Access.

2020

  • Kim, G.E., P. St-Laurent, M.A.M. Friedrichs, A. Mannino (2020). Impacts of water clarity variability on temperature and biogeochemistry in the Chesapeake Bay, Estuaries and Coasts, 43, 1973-1991, Open Access.
  • Crear, D.P., B. E. Watkins, M.A.M. Friedrichs, P. St-Laurent, K.C. Weng (2020). Estimating shifts in phenology and habitat use of cobia in Chesapeake Bay under climate change. Frontiers in Marine Science, 7, 579135, Open Access.
  • St-Laurent, P., M.A.M. Friedrichs, R.G. Najjar, E.H. Shadwick, H. Tian, Y. Yao (2020). Relative impacts of global changes and regional watershed changes on the inorganic carbon balance of the Chesapeake Bay, Biogeosciences, 17, 3779-3796, Open Access.
  • Crear, D.P., R.J. Latour, M.A.M. Friedrichs, P. St-Laurent, K.C. Weng (2020). Sensitivity of a shark nursery habitat to a changing climate. Marine Ecology Progress Series, 652, 123-136, Open Access.
  • Najjar, R.G., M. Herrmann, S.M. Cintron Del Valle, J.R. Friedman, M.A.M. Friedrichs, L.A. Harris, E.H. Shadwick, E. G. Stets, R.J. Woodland (2020). Alkalinity in tidal tributaries of the Chesapeake Bay. Journal of Geophysical Research: Oceans, 125, Open Access.
  • Friedman, J.R., E.H. Shadwick, M.A.M. Friedrichs, R.G. Najjar, O.A. DeMeo, F. Da, J. L. Smith (2020). Seasonal variability of the CO2 system in a large coastal plain estuary. Journal of Geophysical Research: Oceans, 125, Open Access.
  • Brewer, P., D. Chambers, M.A.M. Friedrichs, R.D. Hetland, K.B. Karnauskas, R. Lowe, S.B. Moran, L.-Y. Oey, L. Padman, N. Pinardi, L. Zhou, 2020. Journal of Geophysical Research: Oceans, 125, Open Access.
  • Millan, R., P. St-Laurent, E. Rignot, M. Morlighem, J. Mouginot, & B. Scheuchl (2020). Constraining an ocean model under Getz Ice Shelf, Antarctica, using a gravity-derived bathymetry, 
    Geophysical Research Letters:     e2019GL086522, Open Access.
  • Ross, A.C., C.A. Stock, K.W. Dixon, M.A.M. Friedrichs, R.R. Hood, M. Li, K. Pegion, V. Saba, G. A. Vecchi (2020). Estuarine forecasts at daily weather to subseasonal time scales. Earth and Space Science, 7, e2020EA00179 Open Access.
  • Dinniman, M.S., P. St-Laurent, K.R. Arrigo, E.E. Hofmann, G.L. van Dijken (2020). Analysis of iron sources in Antarctic continental shelf waters, Journal of Geophysical Research: Oceans, 125(5), e2019JC015736, Open Access.
  • Herrmann, H., R.G. Najjar, F. Da, J. Friedman, M.A.M. Friedrichs, S. Goldberger, A. Menendez, E.H. Shadwick, E.G. Stets, P. St-Laurent (2020). Challenges in quantifying long-term air-water carbon dioxide flux using estuarine water quality data: Case study for Chesapeake Bay.  Journal of Geophysical Research: Oceans, 125, e2019JC015610. Open Access.

2019

  • Fennel, K., M. Gehlen, P. Grasseur, C. .W. Brown, S. Ciavatta, G. Cossarini, A. Crise, C.A. Edwards, D. Ford, M.A.M. Friedrichs, M. Gregoire, E. Jones, H. Kim, J. Lamouroux, R. Murtugudde, C. Perruche, 2019. Advancing Marine Biogeochemical and Ecosystem Reanalyses and Forecasts as Tools for Monitoring and Managing Ecosystem Health. Frontiers in Marine Science, 6, 1-9, doi:10.3389/fmars.2019.00089. Open Access.
  • Shadwick, E.H., M.A.M. Friedrichs, R. G. Najjar, O. A. De Meo, J.R. Friedman, F. Da, W. G. Reay (2019). High-frequency CO2-system variability over the winter-to-spring transition in a coastal plain estuary. Journal of Geophysical Research: Oceans, 124, 7626-7642, Open Access.
  • Friedrichs, M.A.M., and D.E., Kaufman, 2019, Marine Biogeochemical Data Assimilation, 2019. In Cochran, J. Kirk; Bokuniewicz, J. Henry; Yager, L. Patricia (eds.) Encyclopedia of Ocean Sciences, 3rd Edition, vol.[5], pp. 520-526. Oxford: Elsevier.
  • St-Laurent, P., P.L. Yager, R.M. Sherrell, H. Oliver, M.S. Dinniman & S.E. Stammerjohn (2019). Modeling the seasonal cycle of iron and carbon fluxes in the Amundsen Sea Polynya, Antarctica. Journal of Geophysical Research: Oceans, 124(3), 1544-1565. Open Access.
  • Oliver, H., St-Laurent, P., Sherrell, R.M., and Yager, P.L., Modeling iron and light controls on the summer Phaeocystis antarctica bloom in the Amundsen Sea Polynya, Global Biogeochemical Cycles, 2019, 33(5), 570-596, Open Access.
  • Turner, J.S., Kellogg L., Massey GM, & Friedrichs C.T. (2019). Minimal effects of oyster aquaculture on local water quality: Examples from southern Chesapeake Bay. PLoS ONE, 14-11, doi:10.1371/journal.pone.0224768. Open Access.
  • Signorini, S.R., Mannino, A., Friedrichs, M.A.M., St-Laurent P., Wilkin, J., Tabatabai, A., Najjar, R.G., Hofmann, E.E., Da, F., Tian, H., and Yao, Y., Estuarine dissolved organic carbon flux from space: With application to Chesapeake and Delaware Bays, Journal of Geophysical Research: Oceans, 2019, 124(6), 3755-3778, Open Access.
  • Friedrichs, M.A.M., P. St-Laurent, Xiao, Y. Hofmann, E.E., Hyde, K., Mannino, A., Najjar, R.G., Narváez, D.A., Signorini, S.R., Tian, H., Wilkin, J., Yao, Y., and Xue, J., Ocean circulation causes strong variability in the Mid-Atlantic Bight nitrogen budget, Journal of Geophysical Research: Oceans, 2019, 124(1), 113-134, Open Access.
  • Campbell, P.J., Bash, J.O., Nolte, C., Spero, T.L., Cooter, E.J., Hinson, K.E., & Linker, L.C. (2019) Projections of atmospheric nitrogen deposition to the Chesapeake Bay watershed. Journal of Geophysical Research: Biogeosciences, 124(11), 3307-3326. Open Access.
  • Irby, I.D. and M.A.M. Friedrichs, Estuaries and Coasts, 2019. Evaluating confidence in the impact of regulatory nutrient reduction on Chesapeake Bay water quality. Estuaries and Coasts, 1-17, doi:10.1007/s12237-018-0440-5. Open Access.

2018

  • Friedrichs, M.A.M., P. St-Laurent, Y. Xiao, E. Hofmann, K. Hyde, A. Mannino, R.G. Najjar, D. Narvaez, S.R. Signorini, H. Tian, J. Wilkin, Y. Yao, J. Xue, 2018. Ocean circulation causes strong variability in the Mid-Atlantic Bight nitrogen budget. Journal of Geophysical Research: Oceans, 123, doi:10.1029/2018JCO14424. Open Access.
  • Bever, A.J., M.A.M. Friedrichs, C.T. Friedrichs, M.E. Scully, 2018. Estimating hypoxic volume in the Chesapeake Bay using two continuous oxygen profiles. Journal of Geophysical Research: Oceans, 123, 6392-6407. doi:10.1029/2018JC014129. Open Access.
  • Moriarty, J.M., C.K. Harris, M.A.M. Friedrichs, K. Fennel, K. Xu, 2018. Impact of seabed resuspension on oxygen and nitrogen dynamics in the northern Gulf of Mexico: a numerical modeling study. Journal of Geophysical Research: Oceans, 123, 7237-7263, doi:10.1029/2018JC013950. Open Access.
  • Santos, B.S., M.A.M. Friedrichs, S.A. Rose, S.G. Barco, D.M. Kaplan, 2018. Likely locations of sea turtle stranding mortality using experimentally-calibrated, time and space-specific drift models. Biological Conservation, 226, 127-143, doi:10.1016/j.ecolind.2017.08.064. Available online.
  • Groner, M., J. Hoenig, R. Pradel, R. Choquet, W. Vogelbein, D. Gauthier and M.A.M. Friedrichs, 2018. Dermal mycobacteriosis and warming sea surface temperatures are associated with elevated mortality of striped bass in Chesapeake Bay. Ecology and Evolution, 8, 9384-9397, doi:10.1002/ece3.4462. Open Access.
  • Friedrichs, M.A.M. and D.E. Kaufman, 2018. Marine biogeochemical data assimilation, in the Reference Module in Earth Systems and Environmental Sciences, doi:10.1016/B978-0-12-409548-9.11261-8. Online Access.
  • Da, F., M.A.M. Friedrichs, P. St-Laurent, 2018. Impacts of atmospheric nitrogen deposition and coastal nitrogen fluxes on oxygen concentrations in Chesapeake Bay, Journal of Geophysical Research: Oceans, 123, 5004-5025, doi:10.1029/2018jc014009. Open Access.
  • Ye, F., Y.J. Zhang, H.V. Wang, M.A.M. Friedrichs, I.D. Irby, E. Alteljevich, A. Valle-Levinson, Z. Wang, H. Huang, J. Shen, J. Du, 2018. A 3D unstructured-grid model for the Chesapeake Bay: importance of bathymetry. Ocean Modelling, 127, 16–39, doi:10.1016/j.ocemod.2018.05.002 Online Access.
  • Irby, I.D., M.A.M. Friedrichs, F. Da and K. Hinson, 2018. The competing impacts of climate change and nutrient reductions on dissolved oxygen in Chesapeake Bay. Biogeosciences, 15, 2649-2668, doi:10.5194/bg-15-2649-2018. Open Access.
  • Najjar, R.G., M. Herrmann, R. Alexander, E.W. Boyer, D. Burdige, D. Butman, W-J Cai, E.A. Canuel, R.F. Chen, M.A.M. Friedrichs, R.A. Feagin, P. Griffith, A.L. Hinson, J.R. Holmquqist, X. Hu, W.M. Kemp, K.D. Kroeger, A. Mannino, S.L. McCallister, W.R. McGillis, M.R. Mulholland, C. Pilskaln, J. Salisbury, S. Signorini, P. St-Laurent, H. Tian, M. Tzortziou, P. Vlahos, Z.A. Wang, R.C. Zimmerman, 2018. Carbon budget of tidal wetlands, estuaries, and shelf waters of Eastern North America. Global Biogeochemical Cycles, 32, 389–416. doi:10.1002/2017GB005790. Online Access
  • Kaufman, D.E., M.A.M. Friedrichs, J.C.P. Hemmings and W.O. Smith, Jr., 2018. Assimilating bio-optical glider data during a phytoplankton bloom in the southern Ross Sea. Biogeosciences,15, 73-90, doi: 10.5194/bg-15-73-2018. Open Access.
  • 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 turtle mortality hotspots, Ecological Indicators, 84, 319-336, doi: 10.1016/j.ecolind.2017.08.064. Open Access.

2017

  • 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. Journal of Geophysical Research: Oceans, 122, 8406–8426, doi: 10.1002/2017jc013072. 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 U.S Integrated Ocean Observing System Coastal and Ocean Modeling Testbed to improve understanding and operational forecasts of extreme events and chronic environmental conditions, EOS, 98, 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, 2339–2359, doi: 10.1002/2016JC012514. Open Access.

2016

  • 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. Open Access.
  • 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, 312–336, 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.

2015

  • 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, 120, 6508–6541, 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, 120, 1666–1695, doi: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. Tian, M.A.M. Friedrichs, M. Liu, X. Li, and J. Yang, 2015. Hydrological Responses to Climate and Land-Use Changes along the North American East Coast: A 110-Year Historical Reconstruction. Journal 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.

2014

  • 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.

2013

  • 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.

2012

  • 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.

2011

  • 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.

2010

  • 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.

2009

  • 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. Open 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.