Assistant Professor
Marine Organic Geochemistry
Campus: 
Athens
Office: 
160 Marine Sciences Bldg.
Office Phone:  (706) 542-6744
Lab: 
165/167 Marine Sciences Bldg.
Lab Phone: 
(706) 542-6798

Education:

Ph.D. 2006, Oregon State University (Environmental Sciences - Chemical Oceanography)

Research Emphasis:

Organic and isotope geochemistry. Sources, transport, alterations and fate of organic compounds in aquatic and atmospheric environments. Molecular characterization of marine/estuarine dissolved organic matter (DOM). Microbial- and photo-induced changes in DOM composition.

See complete list of publications here.

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**If you are a motivated student and would like to work with Marine Organic Geochemistry, please contact me!**

Medeiros Lab People:

  • Maria Letourneau (Ph.D. student; see link below)
  • V. Ruth Pannill (IDS undergraduate student)
  • Sylvia Schaefer (Research Associate)

Medeiros Lab Alumni:

  • Michael Seidel (Postdoc 2012-2015) - Now: Postdoc at ICBM, University of Oldenburg, Germany
  • Ding He (Postdoc 2014-2016) - Now: Assistant Professor at Zhejiang University, China
  • Lydia ('Meg') Babcock-Adams (M.S. student 2013-2016) - Now: Ph.D. student at MIT/WHOI Joint Program

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Graduate Students: 

Patricia M. Medeiros's Selected Publications

Craft C., Herbert E., Li F., Smith D., Schubauer-Berigan J., Widney S., Angeline C., Pennings S., Medeiros P.M., Byers J. et al..  2016.  Climate change and the fate of coastal wetlands. Wetland Science & Practice. 33(3):70-73.
Medeiros PM, Seidel M, Niggemann J, Spencer RGM, Hernes PJ, Yager PL, Miller WL, Dittmar T, Hansell DA.  2016.  A novel molecular approach for tracing terrigenous dissolved organic matter into the deep ocean. Global Biogeochemical Cycles. 30:689-699.
Seidel M, Kleindienst S, Dittmar T, Joye SB, Medeiros PM.  2016.  Biodegradation of crude oil and dispersants in deep seawater from the Gulf of Mexico: Insights from ultra-high resolution mass spectrometry. Deep Sea Research Part II: Topical Studies in Oceanography. 129:108-118.
Kleindienst S, Seidel M, Ziervogel K, Grim S, Loftis K, Harrison S, Malkin SY, Perkins MJ, Field J, Sogin ML et al..  2016.  Reply to Prince et al.: Ability of chemical dispersants to reduce oil spill impacts remains unclear. Proceedings of the National Academy of Sciences. 113(11):E1422-E1423.
Loick-Wilde N, Weber SC, Conroy BJ, Capone DG, Coles VJ, Medeiros PM, Steinberg DK, Montoya JP.  2016.  Nitrogen sources and net growth efficiency of zooplankton in three Amazon River plume food webs. Limnology and Oceanography. 61:460-481.
Moran MAnn, Kujawinski EB, Stubbins A, Fatland R, Aluwihare LI, Buchan A, Crump BC, Dorrestein PC, Dyhrman ST, Hess NJ et al..  2016.  Deciphering ocean carbon in a changing world. Proceedings of the National Academy of Sciences. 113(12):3143-3151.
Rushdi AI, Oros DR, Al-Mutlaq KF, He D, Medeiros PM, Simoneit BRT.  2016.  Lipid, sterol and saccharide sources and dynamics in surface soils during an annual cycle in a temperate climate region. Applied Geochemistry. 66:1-13.
Kleindienst S, Seidel M, Ziervogel K, Grim S, Loftis K, Harrison S, Malkin SY, Perkins MJ, Field J, Sogin ML et al..  2015.  Chemical dispersants can suppress the activity of natural oil-degrading microorganisms. Proceedings of the National Academy of Sciences. 112:14900-14905.
Medeiros P.M, Seidel M, Dittmar T, Whitman WB, Moran MA.  2015.  Drought-induced variability in dissolved organic matter composition in a marsh-dominated estuary. Geophysical Research Letters. 42:6446-6453.
Seidel M, Yager PL, Ward ND, Carpenter EJ, Gomes HR, Krusche AV, Richey JE, Dittmar T, Medeiros PM.  2015.  Molecular-level changes of dissolved organic matter along the Amazon River-to-ocean continuum. Marine Chemistry. 177:218-231.

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