Turck, J.A. and Thompson, V.D. 2013. Presentation: Sea Level Fluctuations, Landscape Evolution, and the Late Archaic Population of the Georgia Coast. 70th Annual Meeting of the Southeastern Archaeological Conference, Tampa, FL.
Campbell, J.L., Rustad, L.E., Porter, J.H., Taylor, J.R., Dereszynkski, E.W., Shanley, J.B., Gries, C., Henshaw, D.L., Martin, M.E., Sheldon, W.M. Jr. and Boose, E.R. 2013. Quantity is Nothing without Quality: Automated QA/QC for Streaming Environmental Sensor Data. BioScience. 63(7):574-585. (DOI: 10.1525/bio.2013.63.7.10)
Wieski, K. and Pennings, S.C. 2013. Climate Drivers of Spartina alterniflora Saltmarsh Production in Georgia, USA. Ecosystems. (DOI: 10.1007/s10021-013-9732-6)
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Latest Data Releases
01/31/2014 – Data Release
Posted provisional salinity, temperature and depth data from 8 GCE MicroCAT sonde deployments on the private web site, covering the period 01-Jan-2013 to 23-Nov-2013. NOTE: We were unable to connect to the sonde deployed at GCE-3 from 32-Jul-2013 to 23-Nov-2013 to retrieve data. The sonde has been sent to Sea-Bird for repairs and an attempt at data retrieval. We will post an announcement when/if those data become available.
01/08/2014 – Data Release
Provisional data sets from hammock groundwater monitoring wells deployed at HN_i_1 and PC_i_29 were updated through December, 2013. Data files and plots are available on the private GCE web site for GCE participants at https://gce-lter.marsci.uga.edu/private/app/hammocks.asp. Finalized data sets will be posted to the GCE Data Catalog within one year of collection.
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GCE Project Announcements
01/16/2014 – Employment
Research Technician, Georgia Coastal Ecosystems Long-Term Ecological Research Program.(contact Steve Pennings for additional information)
The Georgia Coastal Ecosystems LTER program seeks a Research Technician to be based at the UGA Marine Institute on Sapelo Island, Georgia. The selected individual will work as part of the field crew supporting the GCE LTER project (gce-lter.marsci.uga.edu). He or she will be primarily involved in maintaining and monitoring a large experiment focusing on sea level rise and effects on freshwater tidal marshes. This includes helping to maintain permits and comply with appropriate regulations, maintaining boardwalks and a water delivery system, measuring salinity in plots, and monitoring soil, plants and invertebrates in plots. The position will occasionally require strenuous physical activity and irregular hours. Applicants must be able to hike through mud, marsh grass and other difficult terrain; lift and carry heavy gear in the field; and assist in light construction.
The position is based out of the UGA Marine Institute on Sapelo Island, GA (http://www.uga.edu/ugami/). The selected individual may either live on the Island (in UGAMI housing at a subsidized cost) or on the mainland. The ideal candidate will have a B.S. in an appropriate field; small boat piloting experience; first aid certification; field research experience; basic computer skills, including experience with email, word-processing and spreadsheet programs; and the ability to work harmoniously with a wide variety of people.
The salary range for the position is $22-30,000, and includes full benefits; starting salary is in the lower half of this range. Applicants should be willing to make at least a 2-year commitment to the project. Apply online at https://www.ugajobsearch.com/ posting number 20140042. Applications will be considered starting Feb 3 and until the position is filled. Inquiries may be addressed to Dr. Steve Pennings (firstname.lastname@example.org). The University of Georgia is an Equal Opportunity Employer.
01/15/2014 – Publication News
Healthy rivers make healthy marshes
A new paper by Kazik Wieski and Steve Pennings in Ecosystems shows that Spartina alterniflora production in Georgia increases in years with high discharge from the Altamaha River during the late spring and summer. We examined 12 years of fall biomass data from 9 sites in the GCE-LTER domain, and found that river discharge increased productivity at all the sites, with plant biomass up to 3 times larger in high- versus low-discharge years. Coastal rainfall and year to year variation in sea level also affected plant growth to some extent, but not as consistently as river discharge. It is likely that all three factors affected porewater salinity, and that salinity was the proximate driver of plant production. We also found that hotter summers had lower productivity, because temperatures in GA can exceed the thermal optimum for Spartina alterniflora.
Future work by the GCE-LTER will use LandSat data to extend the S. alterniflora productivity record back in time (O’Donnell and Schalles) and will look at variation in productivity in other common marsh species (Pennings).
Kazimierz Wieski and Steven C. Pennings, 2013, Climate Drivers of Spartina alterniflora Saltmarsh Production in Georgia, USA. Ecosystems. DOI: 10.1007/s10021-013-9732-6.
(keep reading)(contact Steve Pennings for additional information)
12/20/2013 – Coastal News
This week on Sapelo we began setting up our new GCE tidal forest monitoring site on Lewis Island. We installed a Rod Sedimentation-Erosion Table (RSET) to monitor elevation and began fitting dendrometer bands to monitor tree growth at the site. At the flux tower, we installed an additional Licor CO2 analyzer, CSAT3 anemometer, CR3000 data logger, Yagi antenna, and two solar panels. We have secured all of our equipment for the winter break and look forward to the annual meeting in January.(contact Jacob Shalack for additional information)
12/19/2013 – IM News
The Coweeta LTER program (CWT) has completed a four year effort to migrate their legacy data holdings to a new LTER Data Catalog that supports dynamic links between personnel, publications, study sites, research projects and data sets, as well as dynamic generation of EML Metadata for the LTER Data Portal. John Chamblee and the CWT Information Management team collaborated with Wade Sheldon at GCE to leverage many components of the GCE-LTER Information System for CWT, including the GCE Data Toolbox for data processing, GCE_Metabase2, GCE_Biblio and GCE_Submissions databases, and associated web applications and services for accessing these databases from the Internet.
(keep reading)(contact Wade Sheldon for additional information)
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