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Joan Sheldon, Data Analyst and Modeler

Contact Information:

Primary Organization:  University of Georgia

Mailing Address:

Joan E. Sheldon
Dept. of Marine Sciences
University of Georgia
Athens, Georgia 30602-3636

Office Phone:  (706) 542-0286

FAX Number:  (706) 542-5888

E-Mail:  jsheldon@uga.edu

Other Identity Systems:

ORCID:  orcid.org/0000-0002-6409-9500

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GCE Data Sets:

NUT-GCEM-1909 (Long-term water quality monitoring in the Altamaha River near Doctortown, Georgia from January 2013 to December 2022.)

NUT-GCEM-1609 (Long-term water quality monitoring in the Altamaha, Doboy and Sapelo sounds and the Duplin River near Sapelo Island, Georgia from November 2013 to December 2022)

GCE Publications and Presentations: (custom bibliography)

Journal Articles

Bice, K., Sheldon, J.E., Schalles, J.F., Alber, M. and Meile, C. 2023. Temporal patterns and causal drivers of aboveground plant biomass in a coastal wetland: insights from time-series analyses . Frontiers of Marine Sciences. 10(1130958). (DOI: 10.3389/fmars.2023.1130958)

Sheldon, J.E. and Burd, A.B. 2014. Alternating Effects of Climate Drivers on Altamaha River Discharge to Coastal Georgia, USA. Estuaries and Coasts. 37:772–788. (DOI: 10.1007/s12237-013-9715-z)

Sheldon, J.E., Griffith, P.C., Peters, F., Sheldon, W.M. Jr., Blanton, J.O., Amft, J. and Pomeroy, L.R. 2012. Southeastern U.S.A. continental shelf respiratory rates revisited. Biogeochemistry. 107:501-506. (DOI: 10.1007/s10533-010-9552-0)

Sheldon, J.E. and Alber, M. 2006. The calculation of estuarine turnover times using freshwater fraction and tidal prism models: a critical evaluation. Estuaries and Coasts. 29(1):133-146.

Sheldon, J.E. and Alber, M. 2002. A comparison of residence time calculations using simple compartment models of the Altamaha River estuary, Georgia. Estuaries. 25(6B):1304-1317.

Cai, W.-J., Wiebe, W.J., Wang, Y. and Sheldon, J.E. 2000. Intertidal marsh as a source of dissolved inorganic carbon and a sink of nitrate in the Satilla River-estuarine complex in the southeastern U.S. Limnology & Oceanography. 45:1743-1752.

Conference Papers (Peer Reviewed)

Alber, M. and Sheldon, J.E. 2011. Water quality status of Georgia estuaries and coastal waters using recommended indicators. In: Carroll, G.D. (editor). Georgia Water Resources Conference. Proceedings of the 2011 Georgia Water Resources Conference, University of Georgia, Athens, Georgia.

Sheldon, J.E. and Alber, M. 2011. Recommended indicators of estuarine water quality for Georgia. In: Carroll, G.D. (editor). Georgia Water Resources Conference. Proceedings of the 2011 Georgia Water Resources Conference, University of Georgia, Athens, Georgia.

Sheldon, J.E. and Alber, M. 2005. Comparing Transport Times Through Salinity Zones in the Ogeechee and Altamaha River Estuaries Using SqueezeBox. In: Hatcher, K.J. (editor). Proceedings of the 2005 Georgia Water Resources Conference. Institute of Ecology, University of Georgia, Athens, Georgia.

Sheldon, J.E. and Alber, M. 2003. Simulating material movement through the lower Altamaha River Estuary using a 1-D box model. Hatcher, K.J. (editor). Proceedings of the 2003 Georgia Water Resources Conference. Institute of Ecology, University of Georgia, Athens, Georgia.

Blanton, J.O., Alber, M. and Sheldon, J.E. 2001. Salinity response of the Satilla River Estuary to seasonal changes in freshwater discharge. Pages 619-622 in: Hatcher, K.J. (editor). Proceedings of the 2001 Georgia Water Resources Conference. Institute of Ecology, University of Georgia, Athens, Georgia.

Conference Posters and Presentations

Agonsi, M., Sheldon, J.E. and Castelao, R. 2024. Poster: Physical forcing affecting circulation and residence time in an estuary off Georgia. Ocean Sciences meeting.

Sheldon, J.E. and Castelao, R. 2023. Presentation: Georgia Coastal Ecosystems LTER Hydrodynamic and Water Quality Models. SEERS 2023.

Bice, K., Sheldon, J.E., Alber, M., Schalles, J.F. and Meile, C. 2022. Poster: Potential drivers of saltmarsh dynamics in the Altamaha River Estuary. LTER All Scientists' Meeting.

Bice, K., Sheldon, J.E., Alber, M., Schalles, J.F. and Meile, C. 2022. Presentation: Hydrodynamic forcings and causal drivers of saltmarsh biomass in the Altamaha River estuary. Graduate Climate Conference, Oct 28-30, Eastonville WA.

Sheldon, J.E. and Alber, M. 2010. Presentation: Spatial and temporal trends in estuarine water quality on the Georgia coast. Southeastern Estuarine Research Society meeting, March 2010, Wilmington, North Carolina.

Sheldon, J.E. and Burd, A.B. 2009. Poster: The Effects of Climate Signals on Freshwater Delivery to Coastal Georgia, U.S.A. 2009 LTER All Scientists Meeting, Sept. 14-16, 2009, Estes Park, CO.

Sheldon, J.E. and Burd, A.B. 2009. Presentation: An In-depth Look at Alternating Effects of Climate Signals on Freshwater Delivery to Coastal Georgia, U.S.A. Hydrologic Prediction in Estuaries and Coastal Ecosystems. CERF 2009: Estuaries and Coasts in a Changing World, November 1-5, 2009, Portland, OR.

Alber, M., Schaefer, S.C., Pomeroy, L.R., Sheldon, J.E. and Joye, S.B. 2008. Presentation: Nitrogen inputs to the Altamaha River estuary (Georgia, USA): a historic analysis. American Society of Limnology and Oceanography, 3/08, Orlando, FL.

Sheldon, J.E. and Burd, A.B. 2008. Poster: Seasonal effects of the Southern Oscillation and Bermuda High on freshwater delivery to the central Georgia coast. GCE-LTER 2008 Annual Meeting, March 14-15, 2008, Athens, Georgia.

Sheldon, J.E. and Burd, A.B. 2007. Poster: Detecting climate signals in river discharge and precipitation data for the central Georgia coast. 2007 AERS/SEERS Meeting, March 15-17, 2007, Pine Knoll Shores, NC.

Sheldon, J.E. and Burd, A.B. 2007. Presentation: Seasonal Effects of the Southern Oscillation and Bermuda High on Freshwater Delivery to Coastal Georgia, U.S.A. Estuarine Research Federation 2007 Annual Meeting, 4-8 November 2007, Providence, Rhode Island.

Alber, M. and Sheldon, J.E. 2006. Calculating estuary turnover times during non-steady-state conditions using freshwater fraction techniques. Southeastern Estuarine Research Society meeting, Ponte Vedra Beach, Florida.

Alber, M. and Sheldon, J.E. 2006. Presentation: Simple tools for assessing coastal systems: can we get there from here? Coastal Observing Systems Workshop, LTER All Scientists Meeting, September 20-24, 2006, Estes Park Colorado.

Alber, M., Pomeroy, L.R., Sheldon, J.E. and Schaefer, S.C. 2005. Presentation: Forty years of watershed nitrogen inputs and estuarine response in the Altamaha River estuary (Georgia, USA). Symposium on "Examining nutrient enrichment effects on coastal ecosystems through comparative ecological approaches and perspectives". 2005 Estuarine Research Federation Meeting. October 16-20, 2005, Norfolk, Virginia.

Sheldon, J.E. and Alber, M. 2005. Poster: New and improved: Modeling mixing time scales in the Altamaha River estuary. GCE-LTER 2005 Annual Meeting. GCE-LTER, Feb. 11-12, 2005, Athens, Georgia.

Sheldon, J.E. and Alber, M. 2005. Presentation: Beyond whole-estuary flushing times: Using transport times through salinity zones to explain chlorophyll patterns in the Altamaha River estuary (Georgia, USA). Estuarine Interactions: biological-physical feedbacks and adaptations. 2005 Estuarine Research Federation Meeting. October 16-20, 2005, Norfolk, Virginia.

Sheldon, J.E. and Alber, M. 2004. Presentation: SqueezeBox: Flow-scaled 1-D box models for estuary residence time estimates. NOS Workshop on Residence/Flushing Times in Bays and Estuaries. National Oceanic and Atmospheric Administration, June 8-9, 2004, Silver Spring, Maryland.

Sheldon, J.E. and Alber, M. 2004. Presentation: SqueezeBox: Flow-scaled 1-D box models for estuary residence time estimates. Spring 2004 meeting. Southeastern Estuarine Research Society (SEERS), October 14-16, 2004, Wilmington, North Carolina.

Sheldon, J.E. and Alber, M. 2003. Poster: Modeling mixing time scales and transport of dissolved substances in the Altamaha River estuary. 2003 LTER All Scientist's Meeting, "Embarking on a Decade of Synthesis". LTER, Sept. 18-21, 2003, Seattle, Washington.

Sheldon, J.E. and Alber, M. 2003. Presentation: The equivalence of estuarine turnover times calculated using fraction of freshwater and tidal prism models. 2003 Estuarine Research Federation meeting, Sept. 14-18, 2003, Seattle, WA.

Sheldon, J.E. and Alber, M. 2001. Poster: Any way you slice it: A comparison of residence time calculations using simple compartment models of the Altamaha River estuary. ERF 2001: An Estuarine Odyssey (16th Biennial Conference of the Estuarine Research Federation). Freshwater Inflow: Science, Policy and Management. Estuarine Research Federation, Nov. 4-8, 2001, St. Pete Beach, Florida.

Alber, M. and Sheldon, J.E. 2000. Presentation: Residence times in the Altamaha River Estuary: a progress report. Southeastern Estuarine Research Society Meeting. Southeastern Estuarine Research Society, Oct 01, 2000, Tampa, Florida.

Smith, C.B., Alber, M. and Sheldon, J.E. 2000. Poster: Analysis of historic vegetation changes in two Georgia estuaries using a GIS. Southeastern Estuarine Research Society Meeting. Southeastern Estuarine Research Society, Oct 01, 2000, Tampa, Florida.

Reports

Sheldon, J.E. and Alber, M. 2019. An Examination of High Salinity Events in the Altamaha River Estuary. In: Review prepared for GA DNR-CRD.