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GCE-LTER Data Set Summary

Accession: CHM-GCEM-0501 Research Theme: Chemistry (Monitoring)
Contributors: Wei-Jun Cai, Yongchen Wang, Aleck Wang
Title: Surface water DIC, total alkalinity, and pH for the September 2002 through December 2004 Georgia Coastal Ecosystems LTER oceanographic surveys
Abstract: Surface water samples for total dissolved inorganic carbon (DIC), total alkalinity (TAlk), and pH were collected from the Altamaha River, Doboy Sound, Sapelo River and the Duplin River (anchor station near Marsh Landing) during the Georgia Coastal Ecosystems LTER oceanographic surveys from September 2002 through December 2004. DIC was measured using a custom automated DIC analyzer. Total alkalinity was determined by Gran titration. pH of surface water at stations was measured on board using a glass electrode. This study was part of the GCE oceanographic monitoring program, and will be repeated periodically.
DOI: 10.6073/pasta/e32ff1ba92e51b36a81efde54a70229b
Key Words: alkalinity, carbon dioxide, Cruise Nutrient Sampling, dissolved inorganic carbon, ph, salinity, water column
LTER Core Area: Inorganic Matter
Research Themes: GCE2 Q1 - External Forcing, GCE2 Q2 - Domain Patterns, GCE3 Area2 - Patterns within the Domain, Chemistry
Study Period: 16-Sep-2002 to 06-Dec-2004
Study Sites:
GCE-SP -- Sapelo River, Georgia, USA
GCE-DB -- Doboy Sound, Georgia, USA
GCE-AL -- Altamaha River, Georgia, USA
» Download Geographic Coverage: Google Earth
Project References: Altamaha river water chemistry monitoring, GCE water quality monitoring
Downloads: Information

Data Table: CHM-GCEM-0501 (Main data table for data set CHM-GCEM-0501, 509 records)

Access: Public (released 01-Jan-2007)

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

Data Formats: Spreadsheet (CSV) [66.21kb],  Text File [61.77kb],  MATLAB (GCE Toolbox) [519.30kb],  MATLAB (Variables) [498.18kb],  Text Report [84.36kb]

Column List:(hide)

Column Name Units Type Description
1 Sampling_Area none string Area (e.g. GCE 01 LW) or Transect (e.g. Altamaha River LW) where sample was taken
2 Station none string GCE LTER CTD monitoring cruise station identifier
3 Date MM/DD/YYYY string Date of sample collection
4 Time hh:mm string Time of sample collection
5 Salinity_Field PSU floating-point Water salinity as recorded in field
6 Salinity_Lab PSU floating-point Water salinity as recorded in lab
7 Temperature C floating-point Water temperature
8 Water_Depth m floating-point Total water depth at station
9 Layer none string Water layer from which sample was taken
10 Latitude degrees floating-point Geographic latitude of sampling location
11 Longitude degrees floating-point Geograhic longitude of sampling location
12 pH_Field none floating-point pH of water sample as recorded in field
13 pH_Lab none floating-point pH of water as measured in the laboratory
14 DIC_Conc um/L floating-point Dissolved Inorganic Carbon
15 Alkalinity um/L floating-point Total Alkalinity
16 GCE_Area none string GCE LTER study area where sample was taken (where applicable)
17 Research_Vessel none string Research Vessel from which sample was taken
18 Notes none string Notes
Statistics: Generate script code to retrieve data tables for analysis in: MATLAB, R, SAS, SPSS
Citation: Cai, Wei-Jun. 2005. Surface water DIC, total alkalinity, and pH for the September 2002 through December 2004 Georgia Coastal Ecosystems LTER oceanographic surveys. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/e32ff1ba92e51b36a81efde54a70229b

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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.