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GCE-LTER Data Set Summary
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Accession:
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POR-GCEM-1601
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Research Theme:
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Pore-water Chemistry (Monitoring)
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Contributors:
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Steven C. Pennings, Tim Montgomery, Jacob Shalack
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Title:
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Soil salinity at GCE-LTER vegetation monitoring plots in October 2015
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Abstract:
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Soil samples were collected in conjunction with Fall 2015 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.
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DOI:
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10.6073/pasta/d0e55b8da9bb0e71d4a8b893fc9a0c7a
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Key Words:
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chemistry, marshes, mud, permanent plots, porewater, salinity, Sediment Monitoring, sediments, soils
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LTER Core Area:
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Inorganic Matter
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Research Themes:
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GCE2 Q2 - Domain Patterns, GCE3 Area2 - Patterns within the Domain, Pore-water Chemistry, Plant Ecology |
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Study Period:
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20-Oct-2015 to 26-Oct-2015
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Study Sites:
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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
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Project References:
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End of year biomass |
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Publications:
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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)
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Downloads: 
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Data Table: POR-GCEM-1601 (Main data table for data set POR-GCEM-1601, 88 records)
Access: Public (released 15-Jan-2017)
Metadata: Text (ESA FLED),
XML (Ecological Metadata Language)
Data Formats: Spreadsheet (CSV) [8.71kb], Text File [6.65kb], MATLAB (GCE Toolbox) [313.52kb], MATLAB (Variables) [243.34kb], Text Report [79.99kb]
Column List:(hide)
| Column |
Name |
Units |
Type |
Description |
| 1 |
Year |
YYYY |
integer |
Calendar year sample was collected |
| 2 |
Month |
MM |
integer |
Calenday 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 |
Flag_Soil_Cup_Mass |
none |
string |
QA/QC flags for Mass of cup (flagging criteria, where "x" is Soil_Cup_Mass: x<0="I", x<8="Q", x>12="Q") |
| 9 |
Soil_Total_Weight |
grams |
floating-point |
Weight of soil and cup before drying |
| 10 |
Flag_Soil_Total_Weight |
none |
string |
QA/QC flags for Weight of soil and cup before drying (flagging criteria, where "x" is Soil_Total_Weight: x<0="I", x<40="Q", x>190="Q") |
| 11 |
Soil_Dry_Weight |
grams |
floating-point |
Weight of soil and cup after drying |
| 12 |
Flag_Soil_Dry_Weight |
none |
string |
QA/QC flags for Weight of soil and cup after drying (flagging criteria, where "x" is Soil_Dry_Weight: x<0="I", x<15="Q", x>110="Q") |
| 13 |
Soil_Water_Content |
grams |
floating-point |
Weight of water in soil calculated by subtraction of dry weight from initial weight |
| 14 |
Flag_Soil_Water_Content |
none |
string |
QA/QC flags for Weight of water in soil calculated by subtraction of dry weight from initial weight (flagging criteria, where "x" is Soil_Water_Content: x<0="I", x<25="Q", x>120="Q") |
| 15 |
Soil_Water_Percent |
percent |
floating-point |
Percentage of water in soil calculated from dry weight and initial weight |
| 16 |
Flag_Soil_Water_Percent |
none |
string |
QA/QC flags for Percentage of water in soil calculated from dry weight and initial weight (flagging criteria, where "x" is Soil_Water_Percent: x<0="I", x>100="I", x<20="Q", x>90="Q") |
| 17 |
Deionized_Water_Added |
ml |
floating-point |
Amount of deionized water added to the dry soil sample |
| 18 |
Flag_Deionized_Water_Added |
none |
string |
QA/QC flags for Amount of deionized water added to the dry soil sample (flagging criteria, where "x" is Deionized_Water_Added: x<0="I", x<30="Q", x>100="Q") |
| 19 |
Soil_Salinity_Supernatant |
PSU |
floating-point |
Salinity of soil sample supernatant after resuspension of dried soil in deionized water |
| 20 |
Flag_Soil_Salinity_Supernatant |
none |
string |
QA/QC flags for Salinity of soil sample supernatant after resuspension of dried soil in deionized water (flagging criteria, where "x" is Soil_Salinity_Supernatant: x<0="I", x<0="Q", x>80="Q") |
| 21 |
Soil_Salinity_Porewater |
PSU |
floating-point |
Porewater salinity calculated from soil sample dry weight and salinity of supernatant after resuspension in water |
| 22 |
Flag_Soil_Salinity_Porewater |
none |
string |
QA/QC flags for Porewater salinity calculated from soil sample dry weight and salinity of supernatant after resuspension in water (flagging criteria, where "x" is Soil_Salinity_Porewater: x<0="I", x<0="Q", x>70="Q") |
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Statistics:
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Generate script code to retrieve data tables for analysis in: MATLAB, R, SAS, SPSS |
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Citation:
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Pennings, Steven C. 2016. Soil salinity at GCE-LTER vegetation monitoring plots in October 2015. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/d0e55b8da9bb0e71d4a8b893fc9a0c7a
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