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GCE-LTER Data Set Summary

Accession: POR-GCEM-2201 Research Theme: Pore-water Chemistry (Monitoring)
Contributors: Steven C. Pennings, Elise Diehl, Dontrece Smith, Jacob Shalack, John Williams
Title: Soil salinity at GCE-LTER vegetation monitoring plots in October 2021
Abstract: Soil samples were collected in conjunction with Fall 2021 plant monitoring at half of the permanent vegetation monitoring plots in the creekbank and midmarsh zones at 10 GCE study sites. Pore-water salinity was determined by analysis of supernatant salinity in dried soil samples hydrated with a measured volume of deionized water.
DOI: (not assigned)
Key Words: chemistry, marshes, mud, permanent plots, porewater, salinity, Sediment Monitoring, sediments, soils
LTER Core Area: Inorganic Matter
Research Themes: GCE2 Q2 - Domain Patterns, GCE3 Area2 - Patterns within the Domain, Pore-water Chemistry, Plant Ecology
Study Period: 11-Oct-2021 to 18-Oct-2021
Study Sites:
GCE1 -- Eulonia, Georgia, USA
GCE2 -- Four Mile Island, Georgia, USA
GCE3 -- North Sapelo, Sapelo Island, Georgia, USA
GCE4 -- Meridian, Georgia, USA
GCE5 -- Folly River, Georgia, USA
GCE6 -- Dean Creek, Sapelo Island, Georgia, USA
GCE7 -- Carrs Island, Georgia, USA
GCE8 -- Alligator Creek, Georgia, USA
GCE9 -- Rockdedundy Island, Georgia, USA
GCE10 -- Hunt Camp, Sapelo Island, Georgia, USA
» Download Geographic Coverage: Google Earth
Project References: End of year biomass
Downloads: Information

Data Table: POR-GCEM-2201 (Main data table for data set POR-GCEM-2201, 88 records)

Access: GCE Members only (public release on 28-Feb-2023)

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

Data Formats: Spreadsheet (CSV) [5.90kb],  Text File [5.38kb],  MATLAB (GCE Toolbox) [44.88kb],  MATLAB (Variables) [71.38kb],  Text Report [85.82kb]

Column List:(hide)

Column Name Units Type Description
1 Year YYYY integer Calendar year sample was collected
2 Month MM integer Calendar month sample was collected
3 Day DD integer Calendar day sample was collected
4 Site none integer GCE study site code
5 Zone none integer Marsh zone
6 Plot none integer Plot number
7 Soil_Cup_Mass grams floating-point Mass of cup
8 Soil_Total_Weight grams floating-point Weight of soil and cup before drying
9 Soil_Dry_Weight grams floating-point Weight of soil and cup after drying
10 Soil_Water_Content grams floating-point Weight of water in soil calculated by subtraction of dry weight from initial weight
11 Soil_Water_Percent percent floating-point Percentage of water in soil calculated from dry weight and initial weight
12 Deionized_Water_Added ml floating-point Amount of deionized water added to the dry soil sample
13 Soil_Salinity_Supernatant PSU floating-point Salinity of soil sample supernatant after resuspension of dried soil in deionized water
14 Soil_Salinity_Porewater PSU floating-point Porewater salinity calculated from soil sample dry weight and salinity of supernatant after resuspension in water
Citation: Pennings, Steven C. 2022. Soil salinity at GCE-LTER vegetation monitoring plots in October 2021. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://gce-lter.marsci.uga.edu/data/POR-GCEM-2201

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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.