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GCE-LTER Data Set Summary

Accession: NUT-GCEM-0909a Research Theme: General Nutrient Chemistry (Monitoring)
Contributors: Samantha B. Joye, Kim Hunter, Nat Weston, Bill Porubsky, Matthew Erickson, Steven Bell
Title: Long-term water quality monitoring in the Altamaha, Doboy and Sapelo sounds and the Duplin River near Sapelo Island, Georgia from May 2001 to August 2009
Abstract: Water samples were collected on Georgia Coastal Ecosystems LTER oceanographic monitoring cuirses approximately every three months from May 2001 through December 2006 and monthly from November 2006 to August 2009. Concentrations of dissolved nutrients (ammonium, nitrate+nitrite, phosphate), dissolved organics (DOC, DON, DOP), particulate organic carbon and nitrogen, total suspended sediment, and total particulate iron and phosphorus were measured using standard analytical methods. The concentrations of six elements (calcium, potassium, magnesium, sodium, silicon, and strontium) were also determined occasionally using elemental analysis by inductively coupled plasma mass spectrometry (ICP-MS).
DOI: 10.6073/pasta/964b638bc904b8a4eca4605f682b9c64
Key Words: Altamaha Sound, ammonium, biogeochemistry, calcium, carbon, Cruise Nutrient Sampling, Doboy Sound, estuaries, magnesium, nitrate, nitrogen, nutrient cycles, nutrients, organic, phosphate, phosphorus, potassium, silicon, sodium, strontium, water column, water quality
LTER Core Area: Inorganic Matter
Research Themes: GCE2 Q2 - Domain Patterns, GCE3 Area2 - Patterns within the Domain, General Nutrient Chemistry, Chemistry, Organic Matter/Decomposition, Phytoplankton Productivity
Study Period: 28-May-2001 to 13-Aug-2009
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
GCE-SP -- Sapelo River, Georgia, USA
GCE-DB -- Doboy Sound, Georgia, USA
GCE-AL -- Altamaha River, Georgia, USA
GCE-DP -- Duplin River, Georgia, USA
» Download Geographic Coverage: Google Earth
Project References: GCE water quality monitoring
Downloads: Information

Data Table: NUT-GCEM-0909a (Main data table for data set NUT-GCEM-0909a, 2399 records)

Access: Public (released 09-Oct-2009)

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

Data Formats: Spreadsheet (CSV) [414.58kb],  Text File [345.65kb],  MATLAB (GCE Toolbox) [1737.42kb],  MATLAB (Variables) [1564.91kb],  Text Report [459.15kb]

Column List:(hide)

Column Name Units Type Description
1 Cruise none string GCE LTER cruise identifier (LTER[MM][YY])
2 Year YYYY integer Year of sample collection
3 Month MM integer Month of sample collection
4 Day DD integer Day of sample collection
5 Time hh:mm GMT string Time of sample collection (GMT)
6 Station none string Sampling location (GCE location code)
7 Site none string Nearest GCE marsh sampling site
8 Depth none string Depth of sample collection (code indicating surface or bottom sample)
9 Tide none string Nominal tide stage
10 Latitude degrees floating-point Geographic latitude of sampling location
11 Flag_Latitude none string QA/QC flags for Geographic latitude of sampling location (flagging criteria, where "x" is Latitude: x<31="Q", x>32="Q", x<-90="I", x>90="I")
12 Longitude degrees floating-point Geographic longitude of sampling location
13 Flag_Longitude none string QA/QC flags for Geographic longitude of sampling location (flagging criteria, where "x" is Longitude: x<-83="Q", x>-81="Q", x<-180="I", x>180="I")
14 NH4_Conc µM floating-point Ammonium concentration
15 Flag_NH4_Conc none string QA/QC flags for Ammonium concentration (flagging criteria, where "x" is NH4_Conc: x<0.1="Q", x>25="Q", x<0="I")
16 NOx_Conc µM floating-point Nitrate + Nitrite concentration
17 Flag_NOx_Conc none string QA/QC flags for Nitrate + Nitrite concentration (flagging criteria, where "x" is NOx_Conc: x<0.1="Q", x>30="Q", x<0="I")
18 PO4_Conc µM floating-point Phosphate concentration
19 Flag_PO4_Conc none string QA/QC flags for Phosphate concentration (flagging criteria, where "x" is PO4_Conc: x<0.1="Q", x>10="Q", x<0="I")
20 DOC_Conc µM floating-point Dissolved organic carbon concentration
21 Flag_DOC_Conc none string QA/QC flags for Dissolved organic carbon concentration (flagging criteria, where "x" is DOC_Conc: x<2="Q", x>4000="Q", x<0="I")
22 DON_Conc µM floating-point Dissolved organic nitrogen concentration
23 Flag_DON_Conc none string QA/QC flags for Dissolved organic nitrogen concentration (flagging criteria, where "x" is DON_Conc: x<10="Q", x>101="Q", x<0="I")
24 DOP_Conc µM floating-point Dissolved organic phosphorus concentration
25 Flag_DOP_Conc none string QA/QC flags for Dissolved organic phosphorus concentration (flagging criteria, where "x" is DOP_Conc: x<0.1="Q", x>25="Q", x<0="I")
26 TDP_Conc µM floating-point Total Dissolved Phosphorus concentration
27 Flag_TDP_Conc none string QA/QC flags for Total Dissolved Phosphorus concentration (flagging criteria, where "x" is TDP_Conc: x<0.5="Q", x>10="Q", x<0="I")
28 Si_Conc µM floating-point Silica concentration
29 Flag_Si_Conc none string QA/QC flags for Silica concentration (flagging criteria, where "x" is Si_Conc: x<1="Q", x>550="Q", x<0="I")
30 Chl_a_Conc µg/L floating-point Chlorophyll a concentration
31 Flag_Chl_a_Conc none string QA/QC flags for Chlorophyll a concentration (flagging criteria, where "x" is Chl_a_Conc: x<1="Q", x>175="Q", x<0="I")
32 TSS_Conc mg/L floating-point Total Suspended Solids concentration
33 Flag_TSS_Conc none string QA/QC flags for Total Suspended Solids concentration (flagging criteria, where "x" is TSS_Conc: x<1="Q", x>500="Q", x<0="I")
34 PN_Conc mg N/L floating-point Particulate Nitrogen concentration
35 Flag_PN_Conc none string QA/QC flags for Particulate Nitrogen concentration (flagging criteria, where "x" is PN_Conc: x<0.1="Q", x>5="Q", x<0="I")
36 PC_Conc mg C/L floating-point Particulate Carbon concentration
37 Flag_PC_Conc none string QA/QC flags for Particulate Carbon concentration (flagging criteria, where "x" is PC_Conc: x<0.5="Q", x>20="Q", x<0="I")
38 PFe_Conc µg Fe/mg sediment floating-point Particulate Iron concentration
39 Flag_PFe_Conc none string QA/QC flags for Particulate Iron concentration (flagging criteria, where "x" is PFe_Conc: x<0.1="Q", x>500="Q", x<0="I")
40 PPO4_Conc µg P/mg sediment floating-point Particulate Phosphate concentration
41 Flag_PPO4_Conc none string QA/QC flags for Particulate Phosphate concentration (flagging criteria, where "x" is PPO4_Conc: x<0.1="Q", x>50="Q", x<0="I")
Statistics: Generate script code to retrieve data tables for analysis in: MATLAB, R, SAS, SPSS
Citation: Joye, Samantha B. 2009. Long-term water quality monitoring in the Altamaha, Doboy and Sapelo sounds and the Duplin River near Sapelo Island, Georgia from May 2001 to August 2009. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/964b638bc904b8a4eca4605f682b9c64

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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.