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GCE-LTER Data Set Summary
Accession:
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NUT-GCEM-0909a
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Research Theme:
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General Nutrient Chemistry (Monitoring)
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Contributors:
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Samantha B. Joye, Kim Hunter, Nat Weston, Bill Porubsky, Matthew Erickson, Steven Bell
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Title:
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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
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Abstract:
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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).
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DOI:
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10.6073/pasta/964b638bc904b8a4eca4605f682b9c64
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Key Words:
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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
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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, General Nutrient Chemistry, Chemistry, Organic Matter/Decomposition, Phytoplankton Productivity |
Study Period:
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28-May-2001 to 13-Aug-2009
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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
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Project References:
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GCE water quality monitoring |
Downloads:
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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") |
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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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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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