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GCE-LTER Data Set Summary
Accession:
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POR-GCES-2106
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Research Theme:
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Pore-water Chemistry (Synthesis)
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Contributor:
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Steven C. Pennings
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Title:
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Long-term soil salinity and organic content from the Georgia Coastal Ecosystems LTER Project on Sapelo Island, Georgia
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Abstract:
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Soil samples were collected in conjunction with annual plant monitoring at half of the permanent vegetation monitoring plots in the creekbank and midmarsh zones at 10 GCE study sites beginning in 2009. Pore-water salinity was determined by analysis of supernatant salinity in dried soil samples hydrated with a measured volume of deionized water. Organic content was measured gravimetrically by comparing ash-free dry weight and total weight of soil samples.
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DOI:
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10.6073/pasta/4c6ba586a88d2b864b7c3fc96a5fbafd
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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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Organic Matter
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Research Themes:
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GCE2 Q2 - Domain Patterns, GCE3 Area2 - Patterns within the Domain, Pore-water Chemistry, Organic Matter/Decomposition, Plant Ecology |
Study Period:
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26-Oct-2009 to 28-Oct-2022
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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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Data References:
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POR-GCEM-1006 (soil salinity and srganic content from 2009),
POR-GCEM-1011 (soil salinity and water content from 2010),
POR-GCEM-1207 (soil salinity and srganic content from 2011),
POR-GCEM-1212 (soil salinity from 2012),
POR-GCEM-1312 (soil salinity from 2013),
POR-GCEM-1411 (soil salinity from 2014),
POR-GCEM-1601 (soil salinity from 2015),
POR-GCEM-1701 (soil salinity from 2016),
POR-GCEM-1801 (soil salinity from 2017),
POR-GCEM-1901 (soil salinity from 2018),
POR-GCEM-2001 (soil salinity from 2019),
POR-GCEM-2101 (soil salinity and srganic content from 2020),
POR-GCEM-2201 (soil salinity from 2021),
POR-GCEM-2301 (soil salinity from 2022)
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Project References:
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End of year biomass |
Downloads:
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Data Table: POR-GCES-2106 (Main data table for data set POR-GCES-2106, 1220 records)
Access: Public (released 16-Jun-2021)
Metadata: Text (ESA FLED),
XML (Ecological Metadata Language)
Data Formats: Spreadsheet (CSV) [200.66kb], Text File [172.00kb], MATLAB (GCE Toolbox) [122.72kb], MATLAB (Variables) [128.66kb], Text Report [298.08kb]
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 |
Flag_Month |
none |
string |
QA/QC flags for Calendar month sample was collected (flagging criteria, where "x" is Month: x<1="I", x>12="I", x<10="Q", x>10="Q") |
4 |
Day |
DD |
integer |
Calendar day sample was collected |
5 |
Site |
none |
integer |
GCE study site code |
6 |
Zone |
none |
integer |
Marsh zone |
7 |
Plot |
none |
integer |
Plot number |
8 |
Location |
none |
string |
Geographic location code in the GCE Metadata Database for the sampling plot |
9 |
Flag_Location |
none |
string |
QA/QC flags for Geographic location code in the GCE Metadata Database for the sampling plot (flagging criteria, where "x" is Location: manual) |
10 |
Location_Notes |
none |
string |
Notes on location assignments and geographic accuracy |
11 |
Longitude |
degrees |
floating-point |
Geographic longitude in decimal degrees |
12 |
Flag_Longitude |
none |
string |
QA/QC flags for Geographic longitude in decimal degrees (flagging criteria, where "x" is Longitude: x<-180="I", x>180="I", manual) |
13 |
Latitude |
degrees |
floating-point |
Geographic latitude in decimal degrees |
14 |
Flag_Latitude |
none |
string |
QA/QC flags for Geographic latitude in decimal degrees (flagging criteria, where "x" is Latitude: x<-90="I", x>90="I", manual) |
15 |
Soil_Cup_Mass |
grams |
floating-point |
Mass of cup |
16 |
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<7="Q", x>13="Q") |
17 |
Soil_Total_Weight |
grams |
floating-point |
Weight of soil and cup before drying |
18 |
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<20="Q", x>120="Q") |
19 |
Soil_Dry_Weight |
grams |
floating-point |
Weight of soil and cup after drying |
20 |
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<10="Q", x>80="Q") |
21 |
Soil_Water_Content |
grams |
floating-point |
Weight of water in soil calculated by subtraction of dry weight from initial weight |
22 |
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<8="Q", x>80="Q") |
23 |
Soil_Water_Percent |
percent |
floating-point |
Percentage of water in soil calculated from dry weight and initial weight |
24 |
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") |
25 |
Deionized_Water_Added |
ml |
floating-point |
Amount of deionized water added to the dry soil sample |
26 |
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<10="Q", x>100="Q") |
27 |
Soil_Salinity_Supernatant |
PSU |
floating-point |
Salinity of soil sample supernatant after resuspension of dried soil in deionized water |
28 |
Soil_Salinity_Porewater |
PSU |
floating-point |
Porewater salinity calculated from soil sample dry weight and salinity of supernatant after resuspension in water |
29 |
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") |
30 |
Crucible_Weight |
grams |
floating-point |
Weight of empty crucible |
31 |
Flag_Crucible_Weight |
none |
string |
QA/QC flags for Weight of empty crucible (flagging criteria, where "x" is Crucible_Weight: x<0="I", x<1="Q", x>50="Q") |
32 |
Soil_Crucible_Wet_Weight |
grams |
floating-point |
Weight of crucible and dried soil sample before combustion |
33 |
Flag_Soil_Crucible_Wet_Weight |
none |
string |
QA/QC flags for Weight of crucible and dried soil sample before combustion (flagging criteria, where "x" is Soil_Crucible_Wet_Weight: x<0="I", x<7="Q", x>70="Q") |
34 |
Soil_Crucible_Ash_Weight |
grams |
floating-point |
Weight of crucible and sample after combustion (ash free dry weight) |
35 |
Flag_Soil_Crucible_Ash_Weight |
none |
string |
QA/QC flags for Weight of crucible and sample after combustion (ash free dry weight) (flagging criteria, where "x" is Soil_Crucible_Ash_Weight: x<0="I", x<6="Q", x>70="Q") |
36 |
Soil_Organic_Content |
grams |
floating-point |
Mass of organic matter lost on combustion |
37 |
Flag_Soil_Organic_Content |
none |
string |
QA/QC flags for Mass of organic matter lost on combustion (flagging criteria, where "x" is Soil_Organic_Content: x<0="I", x>5="Q") |
38 |
Soil_Organic_Percent |
percent |
floating-point |
Percentage of organic matter in sample calculated from organic content and dry weight of soil |
39 |
Flag_Soil_Organic_Percent |
none |
string |
QA/QC flags for Percentage of organic matter in sample calculated from organic content and dry weight of soil (flagging criteria, where "x" is Soil_Organic_Percent: x<0="I", x>100="I", x>50="Q") |
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Statistics:
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Generate script code to retrieve data tables for analysis in: MATLAB, R, SAS, SPSS |
Citation:
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Pennings, Steven C. 2021. Long-term soil salinity and organic content from the Georgia Coastal Ecosystems LTER Project on Sapelo Island, Georgia. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/4c6ba586a88d2b864b7c3fc96a5fbafd
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