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GCE-LTER Data Set Summary
Accession:
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ORG-GCEM-0511b
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Research Theme:
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Organic Matter/Decomposition (Monitoring)
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Contributors:
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Robert E. Hodson, Jen Mou, Ed Sheppard
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Title:
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September 2003 surface water dissolved organic carbon concentrations at ten Georgia Coastal Ecosystems LTER sampling sites
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Abstract:
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Water samples were collected by Niskin bottle from just beneath the surface during tidal surveys at ten GCE-LTER sampling sites in September 2003. Water samples were immediately filtered through ashed Whatman GF/F filters and three replicate samples were acidified, refrigerated and transported to the laboratory for analysis. Concentrations of dissolved organic carbon were measured in each sample by high temperature combustion and chromatographic analysis using a Shimadzu TOC analyzer. This study was part of the GCE-LTER hydrographic monitoring program, and will be repeated quarterly.
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DOI:
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10.6073/pasta/cae4d0e5cfcc5e6ecbfdab9b4de4873f
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Key Words:
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biogeochemistry, carbon, Cruise Nutrient Sampling, dissolved organic carbon, organic carbon, water column
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LTER Core Area:
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Organic Matter
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Research Themes:
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Organic Matter/Decomposition |
Study Period:
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22-Sep-2003 to 28-Sep-2003
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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
GCE-SP -- Sapelo River, Georgia, USA
GCE-DB -- Doboy Sound, Georgia, USA
GCE-AL -- Altamaha River, Georgia, USA
GCE-DP -- Duplin River, Georgia, USA
GCE-IC -- Intracoastal Waterway, Georgia, USA
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Downloads:
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Data Table: ORG-GCEM-0511b (Main data table for data set ORG-GCEM-0511b, 30 records)
Access: Public (released 10-Nov-2005)
Metadata: Text (ESA FLED),
XML (Ecological Metadata Language)
Data Formats: Spreadsheet (CSV) [4.87kb], Text File [3.37kb], MATLAB (GCE Toolbox) [185.95kb], MATLAB (Variables) [165.23kb], Text Report [34.67kb]
Column List:(hide)
Column |
Name |
Units |
Type |
Description |
1 |
Cruise |
none |
string |
GCE-LTER research cruise identifier (LTER[MM][YY]) |
2 |
Date |
yyyy-mm-dd |
string |
Sample collection date |
3 |
Time |
hh:mm GMT |
string |
Sample collection time (GMT) |
4 |
Latitude |
decimal degrees |
floating-point |
Geographic latitude of sampling location` |
5 |
Longitude |
decimal degrees |
floating-point |
Geographic longitude of sampling location |
6 |
Station |
none |
string |
Nearest nominal GCE-LTER CTD profiling station (1km geo-reference tolerance for station matching) |
7 |
Site |
none |
integer |
Nearest GCE-LTER sampling site number |
8 |
Vessel |
none |
string |
Vessel used to obtain the sample |
9 |
CTD_Cast |
none |
string |
Corresponding CTD cast |
10 |
Depth_Sampled |
none |
string |
Nominal sampling depth |
11 |
Temperature |
°C |
floating-point |
Water temperature at the sampling location |
12 |
Flag_Temperature |
none |
string |
QA/QC flags for Water temperature at the sampling location (flagging criteria, where "x" is Temperature: x<10="Q", x>36="Q", x<-2="I") |
13 |
Salinity |
PSU |
floating-point |
Salinity at the sampling location |
14 |
Flag_Salinity |
none |
string |
QA/QC flags for Salinity at the sampling location (flagging criteria, where "x" is Salinity: x>36="Q", x<0="I") |
15 |
Tide |
none |
string |
Nominal tide stage when the sample was collected |
16 |
Mean_Peak_Area |
none |
floating-point |
Mean chromatogram peak area for 6-10 replicate measurements of non-purgeable organic matter in the TOC analyzer |
17 |
Flag_Mean_Peak_Area |
none |
string |
QA/QC flags for Mean chromatogram peak area for 6-10 replicate measurements of non-purgeable organic matter in the TOC analyzer (flagging criteria, where "x" is Mean_Peak_Area: x<0="I") |
18 |
SD_Peak_Area |
none |
floating-point |
Standard deviation of chromatogram peak area for 6-10 replicate measurements of non-purgeable organic matter in the TOC analyzer |
19 |
Flag_SD_Peak_Area |
none |
string |
QA/QC flags for Standard deviation of chromatogram peak area for 6-10 replicate measurements of non-purgeable organic matter in the TOC analyzer (flagging criteria, where "x" is SD_Peak_Area: x<0="I") |
20 |
Mean_DOC_Conc |
mg/L |
floating-point |
Mean DOC concentration for 6-10 replicate measurements of non-purgeable organic matter in the TOC analyzer |
21 |
Flag_Mean_DOC_Conc |
none |
string |
QA/QC flags for Mean DOC concentration for 6-10 replicate measurements of non-purgeable organic matter in the TOC analyzer (flagging criteria, where "x" is Mean_DOC_Conc: x<1.00="Q", x>40.00="Q", x<0="I") |
22 |
SD_DOC_Conc |
mg/L |
floating-point |
Standard deviation of DOC concentration for 6-10 replicate measurements of non-purgeable organic matter in the TOC analyzer |
23 |
Flag_SD_DOC_Conc |
none |
string |
QA/QC flags for Standard deviation of DOC concentration for 6-10 replicate measurements of non-purgeable organic matter in the TOC analyzer (flagging criteria, where "x" is SD_DOC_Conc: x<0="I") |
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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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Hodson, Robert E. 2005. September 2003 surface water dissolved organic carbon concentrations at ten Georgia Coastal Ecosystems LTER sampling sites. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/cae4d0e5cfcc5e6ecbfdab9b4de4873f
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