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Patricia Medeiros, Assistant Professor

Patricia Medeiros

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-induced changes in DOM composition.

GCE Committees:

SALTEx Experiment Committee

Contact Information:

Primary Organization:  University of Georgia

Mailing Address:

Dr. Patricia M. Medeiros
Department of Marine Sciences
UGA Marine Sciences Building
University of Georgia
Athens, Georgia 30602-3636

Office Phone:  (706) 542-6744

FAX Number:  (706) 542-5888

E-Mail:  medeiros@uga.edu

Web Page:  http://www.marsci.uga.edu/directory/patricia-m-medeiros

Other Identity Systems:

ORCID:  orcid.org/0000-0001-6818-2603


GCE Data Sets:

ORG-GCED-1508 (Dissolved Organic Matter Composition in Doboy Sound and the Altamaha River near Sapelo Island, Georgia in 2012-2013)

ORG-GCED-1703 (Microbially-Mediated Transformations of Estuarine Dissolved Organic Matter from Doboy Sound, Sapelo Sound and the Altamaha River near Sapelo Island, Georgia in 2012-2013)

ORG-GCED-1801 (Seasonal Evolution of Terrigenous Dissolved Organic Matter in the South Atlantic Bight off Georgia in 2014)

GCE Publications and Presentations: (custom bibliography)

Journal Articles

Roebuck, J., Medeiros, P.M., Letourneau, M.L. and Jaffe, R. 2018. Hydrological controls on the seasonal variability of dissolved and particulate black carbon in the Altamaha River, GA. Journal of Geophysical Research - Biogeosciences. 123. (DOI: 10.1029/2018JG004406)

Vorobev, A., Sharma, S., Yu, M., Lee, J., Washington, B., Whitman, W., Ballantyne, F., Medeiros, P.M. and Moran, M.A. 2018. Identifying labile DOM components in a coastal ocean through depleted bacterial transcripts and chemical signals. Environmental Microbiology. 20:3012-3030. (DOI: 10.1111/1462-2920.14344)

Medeiros, P.M., Babcock-Adams, L., Seidel, M., Castelao, R., Di Iorio, D., Hollibaugh, J.T. and Dittmar, T. 2017. Export of terrigenous dissolved organic matter in a broad continental shelf. Limnology & Oceanography. 62:1718-1731. (DOI: 10.1002/lno.10528)

Medeiros, P.M., Seidel, M., Gifford, S., Ballantyne, F., Dittmar, T., Whitman, W.B. and Moran, M.A. 2017. Microbially-mediated transformations of estuarine dissolved organic matter. Special Issue: Integrative Research on Organic Matter Cycling Across Aquatic Gradients. Frontiers in Marine Science. 4(69). (DOI: 10.3389/fmars.2017.00069)

Craft, C.B., Herbert, E., Li, F., Smith, D., Schubauer-Berigan, J.P., Widney, S., Angelini, C., Pennings, S.C., Medeiros, P.M., Byers, J. and Alber, M. 2016. Climate change and the fate of coastal wetlands. Wetland Science and Practice. 33(3):70-73.

Medeiros, P.M., Seidel, M., Niggemann, J., Spencer, R.G., Hernes, P.J., Yager, P., Miller, W., Dittmar, T. and Hansell, D.A. 2016. A novel molecular approach for tracing terrigenous dissolved organic matter into the deep ocean. Global Biogeochemical Cycles. 30(5):689699. (DOI: 10.1002/2015GB005320)

Medeiros, P.M., Seidel, M., Dittmar, T., Whitman, W.B. and Moran, M.A. 2015. Drought-induced variability in dissolved organic matter composition in a marsh-dominated estuary. Geophysical Research Letters. 42:6446-6453. (DOI: 10.1002/2015GL064653)

Conference Posters and Presentations

Letourneau, M.L., Schaefer, S.C. and Medeiros, P.M. 2018. Poster: Temporal and spatial assessments of dissolved organic matter composition and biodegradation throughout the Georgia Coastal Ecosystem LTER domain. Gordon Research Conference - Organic Geochemistry, August 2018, Holderness, NH.

Roebuck, J., Medeiros, P.M., Letourneau, M.L. and Jaffe, R. 2018. Poster: Hydrological controls on the seasonal variability of dissolved and particulate black carbon in the Altamaha River, GA. Ocean Sciences Meeting, February 2018, Portland, OR.

Letourneau, M.L. and Medeiros, P.M. 2017. Poster: The influence of hydrology on dissolved organic matter composition and degradation in the Altamaha River and Estuary. ASLO 2017 Aquatic Science Meeting, March 2017, Honolulu, Hawaii.

Letourneau, M.L., Pannill, V. and Medeiros, P.M. 2017. Poster: Temporal changes in dissolved organic matter composition in a marsh-dominated estuary: insights from optical and FT-ICR MS analyses. 4th Annual Southeastern Biogeochemistry Symposium, April 2017, Athens, GA.

Pannill, V., Letourneau, M.L. and Medeiros, P.M. 2017. Poster: Assessing the export of terrigenous dissolved organic matter in the South Atlantic Bight using CDOM analysis: 2014 and 2016 cruises. 4th Annual Southeastern Biogeochemistry Symposium, April 2017, Athens, GA.

Letourneau, M.L., Pannill, V., Babcock-Adams, L. and Medeiros, P.M. 2016. Presentation: Dissolved organic matter composition and processing in the Altamaha River and Estuary: The influence of hydrology. Goldschmidt Conference, June 2016, Yokohama, Japan.

Smith, D., Herbert, E., Li, F., Widney, S., Desha, J., Schubauer-Berigan, J.P., Pennings, S.C., Angelini, C., Medeiros, P.M., Byers, J., Alber, M. and Craft, C.B. 2016. Poster: Seawater Addition Long Term Experiment (SALTEx). Georgia Department of Natural Resources Coastal Resources Division 2016 Climate Conference, November 2-3, 2016, Jekyll Island, GA.

Smith, D., Herbert, E., Li, F., Widney, S., Desha, J., Schubauer-Berigan, J.P., Pennings, S.C., Angelini, C., Medeiros, P.M., Byers, J., Alber, M. and Craft, C.B. 2016. Poster: Seawater Addition Long Term Experiment (SALTEx). SEERS 2016 Spring Meeting, March 10-12, 2016, Bluffton, South Carolina.

LTER
NSF

This material is based upon work supported by the National Science Foundation under grants OCE-9982133, OCE-0620959 and OCE-1237140. Any opinions, findings, conclusions, or recommendations expressed in the material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.