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GCE-LTER Project News

June 2023 Calendar

Multispec Flight
dates: 06/12/2023 to 06/13/2023
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New or Updated Publications

04/06/2023 –
Stadler, M., Bice, K. and Meile, C. 2023. Applying the core-satellite species concept: Characteristics of rare and common riverine dissolved organic matter. Special Issue: Crowdsourced Understanding of Global River Organic Matter Composition through the Lens of Ecological Theory. Frontiers in Water. 5(1156042). (DOI: 10.3389/frwa.2023.1156042)
04/06/2023 –
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)

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Latest Data Releases

02/27/2023 – Data Revision

The Mollusc Abundance (INV-GCEM-1707) and Length (INV-GCEM-1707a) data sets from the GCE fall monitoring in 2016 have been revised to include missing data.  The missing data were lengths of Geukenisa specimens that were collected and measured but not entered into the original data submission. 

02/24/2023 – Data Release

A data set titled "Pulse amplitude modulated (PAM) 5-minute chlorophyll fluorescence (ChlF) with accompanying environmental variables from the GCE-LTER Keenan Field site on Sapelo Island, GA in July 2020" was added to the data catalog.  You can view the data set here:  MSH-GCET-2302

Abstract:  Pulse amplitude modulated (PAM) chlorophyll fluorescence (ChlF) from July 11, 2020 to July 27, 2020 collected over a Spartina alterniflora marsh located on the western side of Sapelo Island bounded by the Duplin River. PAM ChlF were processed in WinControl-3.25. Additional biophysical variables included are photosynthetically active radiation (PAR) from onsite quantum sensors (Licor-192), and tide height from an onsite pressure transducer (Hobo U20).

Citation:  Mao, Lishen. 2023. Pulse amplitude modulated (PAM) 5-minute chlorophyll fluorescence (ChlF) with accompanying environmental variables from the GCE-LTER Keenan Field site on Sapelo Island, GA in July 2020. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/93dad8f2c88a1f6b40cef5ed45724acf


09/02/2022 – Data Release

Provisional well logger data from the high-marsh project and Marsh Landing have been updated through August 2022.  Data can be viewed on the GCE private site. 

High-Marsh wells: https://gce-lter.marsci.uga.edu/private/app/high_marsh.asp

Marsh Landing wells: https://gce-lter.marsci.uga.edu/private/app/marsh_landing.asp

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Latest File Uploads

05/25/2023 – Spreadsheet (GCE only)
Maintenance log for the GCE Flux Tower (details)

04/20/2023 – Presentation
2023 GCE Summer Orientation Zoom Meeting (details)

04/18/2023 – Document
Sapelo Island Orientation Packet (details)

04/13/2023 – Document
GCE LTER DEI implementation plan (details)

03/14/2023 – Spreadsheet (GCE only)
Sampling log for the February 2023 GCE monitoring cruise (20-22 February, 2023) (details)

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GCE Project Announcements

06/02/2023 – Announcement

GCE field crew interns Clara Ray and Shawna Mulvihill started work on Sapelo last week, and have already been busy helping out in the field, including vegetation monitoring at the flux tower, PredEx surveys, MicroCAT maintenance, and the quarterly cruise. Clara is a Geology major at Georgia Southern University, and Shawna is an Environmental Science major at SUNY College of Environmental Science and Forestry in Syracuse, NY. If you're on Sapelo this summer, come stop by the LTER lab and say hi! 

(keep reading)

(contact Laura Hollander for additional information)
05/27/2023 – UGAMI News

The latest phase of rennovations to the second floor of the main UGAMI laboratory building is nearing completion, so we are now working to expand our campus WiFi network to improve internet access in these spaces. This week we added new access points to the former library and instrumentation lab on the north end of the building to improve signal strength. We also plan to move an existing access point from the attic space to below the ceiling of the main hall on the south end of the building to strengthen coverage for offices along that corridor. In addition, we are exploring options for adding an access point to the recently remodeled fume hood lab which currently has no service.

(keep reading)

(contact Wade Sheldon for additional information)
05/11/2023 – Conference News

Much of your GCE leadership--Merryl, Amanda, Deepak and Steve--were at the annual LTER Science Council meeting at the Kellogg Biological Field Station in Michigan. We marvelled at how easy it is to work in agricultural systems--giant plots as big as 1 hectare each, the ground is firm underfoot, you have heavy equipment to do the hard work (they are very proud of their new $400,000 combine), the field site has electricity at all the plots--we could go on. In between workshop activities we brainstormed about the GCE-V proposal.

(keep reading)

(contact Steve Pennings for additional information)
04/21/2023 – Field Program News

Greetings from Sapelo! Behold, the beginnings of a new (recycled) and improved boardwalk to the flux tower! Field technicians John and Jonah have taken on the enormous task of retreiving sections of the old boardwalk that had been washed away and dispersed throughout the surrounding area by hurricanes Matthew and Irma, modifying the sections to better withstand future storms, and reinstalling them at the flux tower. It's about 1/4 of the way complete, and it's looking great! Be on the lookout for calls for volunteers to help with installation! 

(keep reading)

(contact Laura Hollander for additional information)
04/21/2023 – Seminar

GCE researchers Chris Craft and Steve Pennings headlined an international webinar (over 400 attendees) put on by the new journal Rivers. Chris talked about marsh restoration (work done on Sapelo) and Steve about flood control (work done in Houston). The third speaker, Dr. Binhe Gu, talked about mercury pollution in south Florida. You can view the talks here https://liveplayer.sciconf.cn/#/15289?lang=en>
Steve Pennings for additional information)

03/28/2023 – Publication News

Peter A. Hawman, Deepak R. Mishra, Jessica L. O'Connell (2023). Dynamic emergent leaf area in tidal wetlands: Implications for satellite-derived regional and global blue carbon estimates, Remote Sensing of Environment, 290:113553, https://doi.org/10.1016/j.rse.2023.113553

(contact Deepak Mishra 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.