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GCE-LTER Data Set Summary

Accession: POR-GCES-1603 Research Theme: Pore-water Chemistry (Directed Study)
Contributors: Christopher B. Craft, Merryl Alber, Steve Pennings, Dontrece Smith, Ellen Herbert, Jacob Shalack, John Marton
Title: Quarterly porewater salinity and conductivity measurements from the GCE-LTER Seawater Addition Long-Term Experiment (SALTEx) Project
Abstract: The Georgia Coastal Ecosystems LTER Seawater Addition Long-Term Experiment (SALTEx) is a large-scale field experiment designed to simulate saltwater intrusion in a tidal freshwater wetland to predict how chronic (Press) and acute (Pulse) salinization will affect this and other tidal freshwater ecosystems. Thirty porewater well samples were collected every 2-3 months from all 30 treatment plots using a peristalsis pump. Salinity, conductivity and water temperature were measured from the samples using a handheld conductivity/salinity meter.
DOI: 10.6073/pasta/baa9548ac69552f83d5269d3406648d9
Key Words: conductivity, freshwater, porewater, salinity, SALTEx, sea level, sea level rise, seawater intrusion, wetlands
LTER Core Area: Disturbance Patterns
Research Themes: Pore-water Chemistry
Study Period: 24-Apr-2014 to 20-Oct-2015
Study Sites:
SALTEx -- SALTEx Research Site, Champney Island, Georgia, USA
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Research Protocols:

SALTEx Quarterly Porewater Sampling Protocol (Georgia Coastal Ecosystems LTER)

SALTEx Map Plot Layout (Georgia Coastal Ecosystems LTER)


Craft, C.B., Herbert, E., Li, F., Smith, D., Schubauer-Berigan, J.P., Widney, S., Angelini, C., Pennings, S.C., Medeiros, P.M., Byers, J. and Alber, M. 2016. Climate change and the fate of coastal wetlands. Wetland Science and Practice. 33(3):70-73.

Downloads: Information

Data Table: POR-GCES-1603 (Main data table for data set POR-GCES-1603, 424 records)

Access: Public (released 20-Oct-2017)

Metadata: Text (ESA FLED), XML (Ecological Metadata Language)

Data Formats: Spreadsheet (CSV) [23.35kb],  Text File [24.33kb],  MATLAB (GCE Toolbox) [198.60kb],  MATLAB (Variables) [175.90kb],  Text Report [38.88kb]

Column List:(hide)

Column Name Units Type Description
1 Year YYYY integer Calendar year orf observation
2 Month M integer Calendar month of observation
3 Day D integer Calendar day of observation
4 Date yyyy-mm-dd string Date of observation (yyyy-mm-dd)
5 Treatment none string Treatment plot code (F = Fresh, PR = PRESS, PU = PULSE, CS = Control with sides, C = Control without sides)
6 Replicate none integer Replicate
7 Elevation m floating-point Mean plot elevation relative to MLW
8 Well none string Color of the well sampled (R = Red, B = Blue, W = White, Y =Yellow)
9 Salinity PPT floating-point Salinity of porewater well sample
10 Conductivity uS/cm floating-point Conductivity of parwater well sample
11 Temperature C floating-point Temperature of porewater well sample
12 Salinity_Refractometer PPT floating-point Salinity of porewater well sample (taken with refractometer in April 2014)
13 Temperature_Thermometer C floating-point Temperature of porewater well sample (taken with thermometer in April 2014)
Statistics: Generate script code to retrieve data tables for analysis in: MATLAB, R, SAS, SPSS
Citation: Craft, Christopher B. 2016. Quarterly porewater salinity and conductivity measurements from the GCE-LTER Seawater Addition Long-Term Experiment (SALTEx) Project. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/baa9548ac69552f83d5269d3406648d9

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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.