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GCE-LTER Project News

June 2021 Calendar

Intertidal variation practice
date: 06/14/2021
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GCE-Exec Videoconference
date: 06/15/2021
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Experimental manipulations practice
date: 06/16/2021
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External drivers & estuary variation practice
date: 06/18/2021
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Landscape change practice
date: 06/21/2021
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(View all 9 upcoming events for June 2021)

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New or Updated Publications

06/02/2021 –
Letourneau, M.L., Schaefer, S.C., Chen, H., McKenna, A.M., Alber, M. and Medeiros, P.M. 2021. Spatio-temporal changes in dissolved organic matter composition along the salinity gradient of a marsh-influenced estuarine complex. Limnology & Oceanography. (DOI: 10.1002/lno.11857) (in press)
05/28/2021 –
Zinnert, J.C., Nippert, J.B., Rudgers, J.A., Pennings, S.C., Gonzalez, G., Alber, M., Baer, S.G., Blair, J.M., Burd, A.B., Collins, S.L., Craft, C.B., Di Iorio, D., Dodds, W.K., Groffman, P.M., Herbert, E., Hladik, C.M., Li, F., Litvak, M., Newsome, S., O'Donnell, J., Pockman, W.T., Schalles, J.F. and Young, D.R. 2021. State Changes: Insights from the U.S. Long Term Ecological Research Network. Ecosphere.

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Latest Data Releases

03/11/2021 – Data Release

Historic Palmer Drought Severity Index data sets and plots for Georgia Division 9 have been updated in the GCE Data Portal to cover the period of January 1895 to February 2021. These indices are useful for characterizing the timing and severity of drought events in the long-term climate record. The data were downloaded from NOAA and converted into tabular data sets with decoded state and date columns to simplify filtering, plotting and analysis. More information about these indices and data sets is available here.

03/02/2021 – Data Release

Provisional CTD data from the GCE Mini-Cruises are now processed and online.  https://gce-lter.marsci.uga.edu/private/app/ctd_data.asp

06/19/2020 – Data Release

Peter Hawman in Deepak Mishra's lab submitted four data sets including eddy covariance analysis from the GCE-LTER flux tower and the Mishra flux tower at the Grand Bay NERR site in Mississippi as well as leaf area index data from the sites:

MSH-GCET-2006: Eddy covariance 30-minute CO2 fluxes with accompanying biophysical variables from the GCE-LTER flux tower site from December 2018 to January 2020

MSH-NASA-2006: Eddy covariance 30-minute CO2 fluxes with accompanying biophysical variables from the Grand Bay, Mississippi flux tower site from March 2018 to January 2019

PLT-NASA-2006a: Leaf area index for Spartina alterniflora near the GCE-LTER Flux Tower in 2018 and 2019

PLT-NASA-2006b: Leaf area index and above ground biomass for Juncus roemerianus in the Grand Bay National Estuarine Research Reserve from 2015 to 2019

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Latest File Uploads

06/13/2021 – Document
Dissolved Inorganic Carbon and Total Alkalinity Processing Protocols (details)

06/11/2021 – Spreadsheet (GCE only)
Maintenance log for the GCE Flux Tower (details)

06/11/2021 – Document
Flux Tower Monthly Vegetation Monitoring Protocol (details)

06/08/2021 – Spreadsheet (GCE only)
Sampling log for the May 2021 GCE monitoring cruise (11-13 May, 2021) (details)

06/08/2021 – Spreadsheet (GCE only)
Sampling log for the April 2021 GCE monitoring cruise (13 April, 2021) (details)

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GCE Project Announcements

06/10/2021 – Research News

The Pennings and Angelini lab visited Cumberland Island to study the effects of horse grazing in the marsh, working in plots set up by Kate Davidson, a PhD student of John Griffin, who worked on Sapelo as a postdoc and is now a faculty member in England.  About 150 horses roam wild on the island and graze in the high marsh on Spartina.

Wild horse at mansion ruins, Cumberland Island. Photo Steve Pennings

(contact Steve Pennings for additional information)
05/24/2021 – Personnel News

The Pennings lab has arrived at Sapelo for the summer. Welcome to Zahrria Johnson, Hunter Graham and Kori Lugar!

Attached photograph

(contact Steve Pennings for additional information)
05/16/2021 – Personal Observation

I am seeing alot of rabbits on the island this spring. Along with rabbits come Diamond Rattlesnakes like this one on the road to the lighthouse. I decided to visit the lighthouse later in the day...

Diamondback Rattler on Lighthouse Road

(contact Chris Craft for additional information)
03/26/2021 – IM News

All information about the GCE Data Toolbox on the main GCE website has now been moved to the dedicated support website (gce-lter.marsci.uga.edu/gce_toolbox/) to simplify future updates and provide a single source for documentation and help resources. Please note that the link for downloading the GCE Member distribution of the software (with GCE-specific metadata templates and import filters), formerly only available on the main GCE website, has been moved to this site along with the general public distribution downloads.

(keep reading)

(contact Wade Sheldon for additional information)

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This material is based upon work supported by the National Science Foundation under grants OCE-9982133, OCE-0620959, OCE-1237140 and OCE-1832178. 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.