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GCE-LTER Project News

October 2019 Calendar

Predex Meeting
date: 10/15/2019
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Flux Tower VTC
date: 10/17/2019
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Quota Deer Hunt
dates: 10/24/2019 to 10/26/2019
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Disturbance VTC
date: 10/24/2019
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New or Updated Publications

10/11/2019 –
Napora, K., Cherkinsky, A., Speakman, R.J., Thompson, V.D., Horan, R. and Jacobs, C. 2019. Radiocarbon Pretreatment Comparisons of Bald Cypress (Taxodium distichum) Wood Samples from a Massive Buried Deposit on the Georgia Coast, USA. Radiocarbon.
10/07/2019 –
Liu, W. and Pennings, S.C. 2019. Self-thinning and size-dependent flowering of the grass Spartina alterniflora across space and time. Functional Ecology. 33:1830-1841. (DOI: 10.1111/1365-2435.13384)
09/23/2019 –
Thomsen, M.S., Alteiri, A., Angelini, C., Bishop, M., Gribben, G., Lear, G., Schiel, D., Silliman, B.R., South, P., Watson, D., Wernberg, T. and Zotz, G. 2018. Secondary foundation species enhance biodiversity. Nature Ecology and Evolution. 2:634-639. (DOI: 10.1038/s41559-018-0487-5)

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Latest Data Releases

06/14/2019 – Data Release

Provisional SALTEx well logger monitoring data are available on the Project Data page through February 2019. The Schlumberger logger files were corrected for atmospheric pressure and sensor elevation for calculation of water level, and salinity and density were calculated from temperature and conductivity measurements.

04/26/2019 – Data Release

Two data sets investigating the effects of elevation on surface soil temperature gradients within salt marshes was added to the GCE Data catalog by Merrly Alber and Jessica O'Connell.

MSH-GCE0-1904: Variation in Landsat 8-estimated land surface temperature with elevation from Spartina alterniflora marsh cross sections in the Georgia Coastal Ecosystems Long Term Ecological Research (GCE-LTER) site and Virginia Coast Reserve (VCR) LTER sites for winter and summer observations spanning 2013-2018

MSH-GCED-1904: Continuous soil temperature measurements at 10 cm depth from 3 month-long deployments in summer and winter within the Georgia Coastal Ecosystems Long Term Ecological Research (GCE-LTER) site in 2017 and 2018

 

11/20/2018 – Data Release

Provisional SALTEx well logger monitoring data are available on the Project Data page through September 2018. The Schlumberger logger files were corrected for atmospheric pressure and sensor elevation for calculation of water level, and salinity and density were calculated from temperature and conductivity measurements.

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Latest File Uploads

10/07/2019 – Spreadsheet (GCE only)
Maintenance log for the GCE Flux Tower (details)

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GCE Project Announcements

10/11/2019 – Monitoring Program

We're wrapping up the 2019 fall monitoring, and celebrating 20 years of data! That's quite a milestone.

photograph
Fengrun Wu and Jacob Shalack celebrating the end of fall monitoring 2019

(contact Steve Pennings for additional information)
10/07/2019 – Publication News

Wenwen Liu and Steve Pennings just published a massive synthesis of many years of fall monitoring of Spartina alterniflora stem height and density at the GCE LTER site. The bottom line is that all the variation across zones, sites and years in Spartina alterniflora height and flowering status can be understood as resulting from a couple simple allometric rules.

THANK YOU to all the GCE Technicans and graduate students who helped collect the fall monitoring data over the past 20 years!

Liu, Wenwen, and S. C. Pennings. 2019. Self-thinning and size-dependent flowering of the grass Spartina alterniflora across space and time. Functional Ecology 33:1830-1841. DOI: 10.1111/1365-2435.13384.

(contact Steve Pennings for additional information)
10/07/2019 – Monitoring Program

The fall monitoring effort continued apace on Monday, despite fall showers that soaked the crew to the skin. Brendan is back, Patrick joined us from the Angelini lab to help with invertebrate monitoring, and Steve jumped in the creek up to his chest to try (unsuccessfully) to pull out an old pvc pole from an abandoned plot. 

photograph
Field crew at site 9, shortly before the rain began

(contact Steve Pennings for additional information)
10/07/2019 – Personnel News

Brendan is back from training in the reserves, has rejoined the LTER field crew, and is immediately contributing to the fall monitoring effort. Welcome back!

photograph
Brendan doing fall monitoring 2019 10

(contact Steve Pennings for additional information)
10/04/2019 – Monitoring Program

Fall monitoring continued on Friday October 4. With glorious weather for field work, we sampled GCE sites 1 and 4 for soil, plants and invertebrates. The GCE technicians were a well-oiled machine, as usual, whereas Dr. Pennings got well acquainted with the mud. Not only that, but this year we're installing temperature loggers at each zone at each site to monitor winter soil temperatures. The goal is to get a first-order understanding of how winter soil temperatures vary among sites and between marsh zones.

(keep reading)

(contact Steve Pennings for additional information)
10/03/2019 – Sapelo News

High tides this week put salt water up over some of the roads on Sapelo Island. As we've learned the hard way, it doesn't take much to threaten us on Sapelo.

photograph
Water on the road to Nannygoat Beach, early October 2019

(contact Steve Pennings 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.