Presentations

2017 National/International Presentations

Friedrichs, M.A.M., C. Friedrichs, I. Irby, A. Bever, R. Hood, H. Wang and M. Scully. Chesapeake Bay Hypoxia Coastal Ocean Modeling Testbed. All-hands NOAA COMT summer meeting, Washington D.C. July 2017.

Friedrichs, M.A.M., I. Irby, L. Linker, G. Shenk, R. Najjar, H. Tian, E. Hofmann. Impacts of climate change on the efficacy of alternative management actions: Using multiple models in support of hypoxia management decision-making in the Chesapeake Bay. Advances in Marine Ecosystem Modelling Research, Plymouth, UK. June 2017.

Kaufman, D.E., M.A.M. Friedrichs, W.O. Smith, E.E. Hofmann, M.S. Dinniman, J.C.P. Hemmings. Changing Ross Sea biogeochemistry assessed by a data assimilative model and bio-optical glider observations. Advances in Marine Ecosystem Modelling Research, Plymouth, UK. June 2017.

Friedrichs, M.A.M., D.E. Kaufman, R. Najjar, H. Tian, Y Yao, B. Zhang. Impacts of changing nutrient loads on Chesapeake Bay hypoxia and nitrogen cycling over the past century. Advances in Marine Ecosystem Modelling Research, Plymouth, UK. June 2017.

Irby, I., M.A.M. Friedrichs. Evaluating confidence in the impact of regulatory nutrient reduction using water quality models. Advances in Marine Ecosystem Modelling Research, Plymouth, UK. June 2017.

Friedrichs, M.A.M., E. Shadwick, R. Najjar, P. St-Laurent, F. Da, H. Tian. Air-sea CO2 variability in the Chesapeake Bay. Ocean Carbon and Biogeochemistry Summer Workshop, Woods Hole, MA. June 2017.

Moriarty, J.M., M.A.M. Friedrichs, C. K. Harris. The Role of particulate resuspension on organic matter, nutrient, and oxygen dynamics in Chesapeake Bay: preliminary results from a coupled hydrodynamic-sediment transport-biogeochemical model. Ocean Carbon and Biogeochemistry Summer Workshop, Woods Hole, MA. June 2017. 

Kaufman, D.E., M.A.M Friedrichs, W.O. Smith, E.E. Hofmann, M.S. Dinniman, J.C.P. Hemmings. Combining bio-optical glider observations and biogeochemical modeling to assess Ross Sea phytoplankton changes in the 21st century. Ocean Carbon and Biogeochemistry Summer Workshop, Woods Hole, MA. June 2017.

Da, F., M.A.M. Friedrichs, P. St-Laurent. Impacts of direct atmophseric deposition of nitrogen on Chesapeaek Bay oxygen and nitrogen cycling. Coastal Ocean Dynamics Gordon Research Conference, Biddeford, ME. June 2017. 

Moriarty, J.M., M.A.M. Friedrichs, C. K. Harris. The Roles of resuspension and advection of sediment and particulate organic matter on Oxygen Dynamics in Chesapeake Bay: Preliminary Results from a coupled hydrodynamic-sediment transport-biogeochemical model. Coastal Ocean Dynamics Gordon Research Conference, Biddeford, ME. June 2017.

Moriarty, J.M., C.K. Harris, M.A.M. Friedrichs, K. Fennel. Coupling sediment transport and biogeochemical processes: the role of resuspension on oxygen and nutrient dynamics. Community Surface Dynamics Modeling System Annual Meeting, Boulder, CO. May 2017.

Kaufman, D.E., M.A.M. Friedrichs, W.O. Smith, E.E. Hofmann, M.S. Dinniman, J.C.P. Hemmings. Changing Ross Sea biogeochemistry assessed by a data assimilative model and bio-optical glider observations. Southeastern Postdoc symposium, Gloucester Point, VA. May 2017.

Signorini, S.R., A. Mannino, M.A.M. Friedrichs, P. St-Laurent, J. Wilkin. Chesapeake Bay Export of Dissolved Organic Carbon from Space-borne Data. International Ocean Colour Science Meeting, Lisbon, Portugal. May 2017.

Rabouille, C., B. Lansard, J. Rassmann, L. Pozzato, M. Taillefert, E. Eytel, A. Abchiche, J.M. Moriarty, and C.K. Harris. Sediment carbon and oxygen cycling and its temporal variations at the continent-water interface. European Geosciences Union (EGU) General Assembly, Vienna, Austria. April 2017.

Friedrichs, M.A.M., A. Bever, C. Friedrichs, R. Hood and D. Wilson. Hypoxia forecasts as a tool for Chesapeake Bay fisheries. Testbed Proving Ground Workshop, Kansas City, MO. April 2017.

Friedrichs, M.A.M., P. St-Laurent, D.E. Kaufman, F. Da, E. Shadwick, R.G. Najjar, M.Herrmann, H. Tian, Y. Yao, and B. Zhang. Fluxes of carbon and nutrients from upstream landscapes to the coastal ocean. North American Carbon Program All Investigators Meeting, Bethesda, MD. March 2017.

Irby, I.D. Hypoxia in the Chesapeake Bay - Yesterday, Today, and Tomorrow. Rappahannock Institute for Lifelong Learning, Rappahannock Community College, Rappahannock, VA. March 2017.

Kaufman, D.E. Optimizing an Ocean Ecosystem Model. William and Mary Business Analytics - Artificial Intelligence course, Williamsburg, VA. March 2017.

Bernhardt, P.W., M.R. Mulholland, B. Widner, C. Sookhdeo, P. Sedwick, P. St-Laurent, M.A.M. Friedrichs, R. Najjar. The Effect of atmospheric nitrogen deposition on parimary productivity and nitrogen uptake along oligotrophic waters of the eastern United States. Honolulu, HI. February 2017.

Friedrichs, M.A.M., R. Hood, C. Friedrichs, D. Forrest and A. Bever. Hypoxia Forecasts as a Tool for Chesapeake Bay Fisheries. ASLO Aquatic Sciences Meeting, Honolulu, HI. February 2017.

Kaufman, D.E. Ross Sea Phytoplankton in the 21st Century. CCPO and ODU Resilience Collaborative Seminar Series, Norfolk, VA. February 2017.

Friedrichs, M.A.M. CHAMP: Chesapeake Hypoxia Analysis and Modeling Project. CBP Modeling Workgroup Meeting, Annapolis, MD. February 2017.


2016 National/International Presentations

Irby, I. and M.A.M. Friedrichs. Evaluating confidence in the impact of regulatory nutrient reduction on Chesapeake Bay water quality. CBP Modeling Workgroup Meeting, Annapolis, MD. December 2016.

Harris, C.K., I. Overeem, E. Hutton, J.M. Moriarty, and P. Wiberg. Introducing Students to Ocean Modeling via a Web-Based Implementation for the Regional Ocean Modeling System (ROMS) River Plume Case Study. American Geophysical Union (AGU) Fall Meeting, San Francisco, CA. 12-16 December 2016.

Moriarty, J.M., C.K. Harris, M.A.M. Friedrichs, K. Fennel, and K. Xu. The Effect of Resuspension and Deposition on Biogeochemical Cycles in the Northern Gulf of Mexico: Numerical Modeling Results. American Geophysical Union (AGU) Fall Meeting, San Francisco, CA. 12-16 December 2016.

Irby, I.D. Science in Politics and Diplomacy. William & Mary Graduate Student Journal Club, Williamsburg, VA. November 2016. 

Santos, B., D. Kaplan, M.A.M. Friedrichs, J.P. Manning, S.G. Barco. Identifying locations of and mechanisms for sea turtle mortality from stranding data using ocean drift models. William & Mary Graduate Research Symposium, Williamsburg, VA. November 2016.

Kaufman, D.E, M.A.M. Friedrichs, W.O. Smith, E.E. Hofmann, M. Dinniman, J.C.P. Hemmings. Climate change impacts on Ross Sea biogeochemistry as assessed by 1D modeling experiments. IMBER ClimEco5 Summer School, Natal, Brazil. August 2016.

Da, F., M.A.M. Friedrichs and P. St-Laurent. Impacts of changes in direct atmospheric deposition of nitrogen on Chesapeake Bay hypoxia. Chesapeake Modeling Symposium, Williamsburg, VA. June 2016

Irby, I.D., M.A.M. Friedrichs, COMT: Chesapeake Bay Estuarine Hypoxia Team. The impact of TMDL nutrient reductions on dissolved oxygen in the Chesapeake Bay; a comparison of academic and regulatory water quality models (pdf). Chesapeake Modeling Symposium, Williamsburg, VA. June 2016.

Friedrichs, M.A.M.D.E. KaufmanR. Najjar, H. Tian, Y. Yao, B. Zhang. Impacts of changing nutrient loads on Chesapeake Bay hypoxia and nitrogen cycling over the past century. Chesapeake Modeling Symposium, Williamsburg, VA. June 2016.

Friedrichs, M.A.M., A. Bever, R. Hood and the CBP-SWM team. Comparison of shallow-water models for use in supporting Chesapeake Bay management decision-making. Chesapeake Modeling Symposium, Williamsburg, VA. June 2016.

Friedrichs, C., M.A.M. Friedrichs, D. Forrest, and R. Hood. US-IOOS/COMT estuarine hypoxia nowcast/forecast product: stakeholder identification and feedback. Chesapeake Modeling Symposium, Williamsburg, VA. June 2016.

Moriarty, J., C.K. Harris, M.A.M. Friedrichs. The roles of resuspension and redistribution in coastal environments: results from a coupled hydrodynamic-sediment transport-biogeochemical numerical model. Chesapeake Modeling Symposium, Williamsburg, VA. June 2016.

Shadwick, E., M.A.M. Friedrichs, R. Najjar, M. Herrmann, S. Goldberger. Multiple stressors in the estuarine environment: drivers of changes in the Chesapeake Bay CO2 system. Chesapeake Modeling Symposium, Williamsburg, VA. June 2016.

Moriarty, J.M., C.K. Harris, and M.A.M. Friedrichs. The Roles of Resuspension and Redistribution on Nutrient Cycling in the Northern Gulf of Mexico: Results from a Coupled Hydrodynamic-Sediment Transport-biogeochemical Numerical Model. Community Surface Dynamics Modeling Systems Annual Meeting, Boulder, Colorado. 17-19 May 2016.

Friedrichs, M.A.M.D.E. KaufmanR. Najjar, H. Tian, Y. Yao, B. Zhang. Modeling water quality impacts of changing nutrient loads in the Chesapeake Bay over the past century. The International Society for Ecological Modelling Global Conference, Baltimore, MD. 8-12 May 2016.

Irby, I.D., M.A.M. Friedrichs, COMT: Chesapeake Bay Estuarine Hypoxia Team. Evaluating water quality in the Chesapeake Bay using water quality models from both the government and academia (pdf). The International Society for Ecological Modelling Global Conference, Baltimore, MD. 8-12 May 2016.

Kaufman, D.E.M.A.M. FriedrichsW.O. Smith Jr., E.E. Hofmann, J.C.P. Hemmings. Impacts of warming temperatures on Ross Sea biogeochemistry as assessed by 1D model experiments. The International Society for Ecological Modelling Global Conference, Baltimore, MD, U.S.A. 8-12 May 2016.

Shadwick, E., M.A.M. Friedrichs, R. Najjar, and M. Herrmann. Multiple stressors in the estuarine environment: drivers of changes in the Chesapeake Bay CO2 system. The Ocean in a high CO2 world, Hobart, Tasmania, Australia. 3-6 May 2016.

Friedrichs, M.A.M. D. E. Kaufman, R.G. Najjar, H. Tian, Y. Yao, and B. Zhang. Impacts of changing nutrient load on Chesapeake Bay hypoxia and nitrogen cycling over the past century. NASA OCRT Meeting, Silver Spring, MD. 2-4 May 2016.

Signorini, S., A. Mannino, M.A.M. Friedrichs, J.Wilkin and A. Tabatabai. Estuarine Export of Dissolved Organic Carbon to the Mid-Atlantic Bight. AGU-ASLO-TOS Ocean Sciences Meeting, NASA OCRT Meeting, Silver Spring, MD. 2-4 May 2016.

Friedrichs, M.A.M., D.E. Kaufman, R. Najjar, H. Tian, Y. Yao, B. Zhang. Changes in Chesapeake Bay Hypoxia over the Past Century. AGU/ASLO/TOS Ocean Sciences Meeting, New Orleans, LA. 21-26 February 2016.

Irby, I., M.A.M. Friedrichs, C.T. Friedrichs, and the COMT-Chesapeake Bay Hypoxia Team. Challenges associated with modeling low-oxygen waters in Chesapeake Bay: a multiple model comparison. AGU-ASLO-TOS Ocean Sciences Meeting, New Orleans LA. 21-26 February 2016.

Kaufman, D.E.M.A.M. FriedrichsW.O. Smith Jr., E.E. Hofmann, J.C.P. Hemmings. Environmental Drivers of Biogeochemical Variability in the Southern Ross Sea: Results from a 1D Modeling Study. AGU/ASLO/TOS Ocean Sciences Meeting, New Orleans, LA. 21-26 February 2016.

Lee, Y.J., P.A. Matrai, M.A.M. Friedrichs, V.S. Saba, and the PPARR modeling teams. An assessment of net primary productivity estimates using coupled physical-biogeochemical / earth system models in the Arctic Ocean. AGU-ASLO-TOS Ocean Sciences Meeting, New Orleans LA. 21-26 February 2016.

Moriarty, J.M., C.K. Harris, C. Rabouille, and M.A.M. Friedrichs. Resuspension and Biogeochemistry in Coastal Environments: Results from a Coupled Model for Seabed-Water Column Fluxes. AGU-ASLO-TOS Ocean Sciences Meeting, New Orleans LA. 21-26 February 2016.

Najjar, R., P. Sedwick, M. Mulholland, M.A.M. Friedrichs, A. Thompson, D. Martins, P. Bernhardi, M. Herrmann, L. Price, B. Sohst, C. Sookhdeo, P. St-Laurent, B. Widner. Deposition of atmospheric nitrogen to coastal ecosystems (DANCE): A study in seasonally oligotrophic waters off the eastern U.S. AGU-ASLO-TOS Ocean Sciences Meeting, New Orleans LA. 21-26 February 2016.

Signorini, S., A. Mannino, M.A.M. Friedrichs, J.Wilkin and A. Tabatabai. Estuarine Export of Dissolved Organic Carbon to the Mid-Atlantic Bight. AGU-ASLO-TOS Ocean Sciences Meeting, New Orleans LA. 21-26 February 2016.

Irby, I.D., J. Derr, J. Snouck-Hergronje, and A. Will. Oysters in the Chesapeake Bay: The Economic, Policy, and Legal Landscapes. NOAA Oyster Summit, Fredericksburg, VA. February 2016.

Friedrichs, M.A.M., A. Bever, R.R. Hood, K. Sellner. Comparison of shallow-water models for use in supporting Chesapeake Bay management decision-making. CBP Modeling Workgroup Quarterly Meeting, Annapolis, MD. January 2016.


2015 National/International Presentations

Friedrichs, M.A.M., D.E. Kaufman, R. Najjar, H. Tian, Y. Yao, B. Zhang. Modeling Changes in Chesapeake Bay Nitrogen Fluxes over the Past Century. CERF (Coastal & Estuarine Research Federation) Biennial Meeting, Portland, OR, U.S.A.. 8-12 November 2015.

Moriarty, J.M., C.K. Harris, and M.A.M. Friedrichs. Resuspension and Biogeochemistry: A Coupled Model for Seabed-Water Column Fluxes in Coastal Environments. CERF (Coastal & Estuarine Research Federation) Biennial Meeting, Portland, OR. 8-12 November 2015.

Moriarty, J.M., and C.K. Harris. Resuspension and Sediment Bed Oxygen Consumption: Developing and Testing a Coupled Model. INTERCOH (International Conference on Cohesive Sediment Transport), Leuvan, Belgium. September 6-11, 2015.

Rabouille, C., F. Toussaint, C. Cathalot, J. Rassmann, B. Lansard, N. Laborde, J.M. Moriarty, and C.K. Harris. Temporal variability of carbon recycling in deltaic sediments at different time scales: An example from the Rhone River delta. Goldscchmidt 2015, Prague, Czechoslovakia. August 16-21, 2015.

St.-Laurent, P., M.A.M. Friedrichs, R.G. Najjar, M. Herrmann. Comparing the impact of atmospheric nitrogen deposition and wind mixing on biological productivity during storm events. Ocean Carbon and Biogeochemistry workshop, Woods Hole, MA. July 20-23, 2015.

Friedrichs, M.A.M., I. Irby, C. Friedrichs. COMT Chesapeake Bay hypoxia modeling. COMT Annual Team Meeting, Washington DC. July 30-31, 2015.

Friedrichs, M.A.M., Y. Xiao. Using biogeochemical data assimilation to assess the relative skill of multiple ecosystem models: effects of increasing planktonic food web complexity. MEOPAR/GOV Marine Ecosystem Analysis and Prediction, Halifax, Nova Scotia. 22-24 June 2015.

Irby, I., M.A.M. Friedrichs, C. Friedrichs and the COMT Estuarine Hypoxia Team. Challenges associated with operational modeling of low-oxygen water in Chesapeake Bay: results from a multiple modeling effort. MEOPAR/GOV Marine Ecosystem Analysis and Prediction, Halifax, Nova Scotia. 22-24 June 2015.

Kaufman, D.E., M.A.M. Friedrichs, W.O. Smith, E. E. Hofmann, J.C.P. Hemmings. Biogeochemical modeling of the southern Ross Sea. MEOPAR/GOV Marine Ecosystem Analysis and Prediction, Halifax, Nova Scotia. 22-24 June 2015.

Moriarty, J.M., and C.K. Harris. Resuspension and Sediment Oxygen Consumption: Developing and Testing a Coupled Model. Gordon Conference on Coastal Ocean Modeling, Biddeford, Maine. 7-12 June 2015.

Friedrichs, M.A.M., R. Hood, A. Bever. Comparison of shallow water models for use in supporting Chesapeake Bay management decision-making, STAC Multiple Shallow Model Workshop, Gloucester Point, Virginia. 20 May 2015.

Signorini, S., A. Mannino, J. Wilkin, M.A.M. Friedrichs, R.R. Najjar. Dissolved organic carbon fluxes and stocks in the Mid-Atlantic Bight. NASA Carbon Cycle & Ecosystems Joint Science Workshop, Hyattsville, Maryland. 20-22 April 2015.

Friedrichs, M.A.M., W-J Cai, E.E.Hofmann, S. Lohrenz, R. Najjar, H. Tian. Lateral fluxes of carbon and nutrients from land to the coastal ocean. Invited talk for the NASA Carbon Cycle & Ecosystems Joint Science Workshop, Hyattsville, Maryland. 20-22 April 2015.

Feng, C., M.A.M. Friedrichs, H. Tian, Q. Yang, R Najjar. Impacts of land cover and land use change on the nitrogen dynamics of the Chesapeake Bay over the past 100 years. NASA Carbon Cycle & Ecosystems Joint Science Workshop, Hyattsville, Maryland. 20-22 April 2015.

Mannino, A. C. Del Castillo, M.A.M. Friedrichs, P. Hernes, P. Matrai, J. Salisbury, M.A. Tzortziou. Arctic-COLORS – Coastal Land Ocean interactions in the Arctic.  NASA Carbon Cycle & Ecosystems Joint Science Workshop, Hyattsville, Maryland. 20-22 April 2015. 

Najjar, R., M.A.M. Friedrichs, E. Hofmann, K. Hyde, A. Mannino, H. Tian, J. Wilkin, S. Signorini. Syneristic impacts of population growth, urbanization, and climate change on watersheds and coastal ecology of the northeastern United States. NASA Carbon Cycle & Ecosystems Joint Science Workshop, Hyattsville, Maryland. 20-22 April 2015.

Tian, H. Q. Yang, W. Ren, C. Lu, B. Zhang, S. Pan, B. Tao, S. Lohrenz, W-J Cai, R. He, M.A.M. Friedrichs, R. Najjar. Contemporary and projected lateral carbon fluxes from North America to Oceans: A process-based modeling study. NASA Carbon Cycle & Ecosystems Joint Science Workshop, Hyattsville, Maryland. 20-22 April 2015.

Lee, Y., P. Matrai, M.A.M. FriedrichsV. Saba. An assessment of ocean color model estimates of ntet primary productivity in the Arctic Ocean. NASA Carbon Cycle & Ecosystems Joint Science Workshop, Hyattsville, Maryland. 20-22 April 2015.

Friedrichs, M.A.M., D. Forrest, C. Friedrichs, R. Hood, I. Irby, L. Lanerolle, M. Scully and H. Wang. The Estuarine Hypoxia component of the coastal ocean modeling testbed: providing environmental intelligence to decision-makers in the Chesapeake Bay. Skill assessment of multiple hydrodynamic-dissolved oxygen models in Chesapeake Bay. NOAA’s 6th annual Testbed and Proving Ground Workshop, Boulder, Colorado. 14-16 April 2015.

Irby, I., M.A.M. Friedrichs, Y. Feng, R. Hood, J. Testa, C. Friedrichs. Skill Assessment of Multiple Hypoxia Models in the Chesapeake Bay and Implications for Management Decisions (pdf poster). NOAA’s 6th annual Testbed and Proving Ground Workshop,  Boulder, Colorado. 14-16 April 2015.

Moriarty, J.M., and C.K. Harris.  Resuspension and Sediment Bed Oxygen Consumption: Developing and Testing a Coupled Model. Atlantic Estuarine Research Society (AERS) Spring Meeting, Wanchese, North Carolina. 12-14 March 2015.

Signorini, S., A. Mannino, J. Wilkin, M.A.M. Friedrichs, R. Najjar. Dissolved organic carbon stocks and fluxes in the mid-Atlantic Bight. 5th bi-annual North American Carbon Program Principal Investigator Meeting, Washington D.C. January 2015. 

Tian, H., Q. Yang, B. Zhang, J. Yang, S. Pan, W. Ren, C. Lu, B. Tao, S. Lohrenz, W-J. Cai, R. He, M.A.M Friedrichs and R. Najjar. Contemporary and projected lateral carbon fluxes from North America to Oceans: A process-based modeling study. 5th bi-annual North American Carbon Program Principal Investigator Meeting, Washington D.C. January 2015.

Feng, Y., M.A.M. Friedrichs, J. Wilkin, H. Tian, Q. Yang, E. Hofmann, J. Wiggert and R. Hood. Impacts of land cover and land use change on the nitrogen dynamics of the Chesapeake Bay for the past 100 years. 5th bi-annual North American Carbon Program Principal Investigator Meeting, Washington D.C. January 2015.