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GCE-LTER Data Set Summary
Accession:
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PHP-GCEM-0306
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Research Theme:
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Phytoplankton Productivity (Monitoring)
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Contributor:
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Merryl Alber
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Title:
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November 2001 to March 2003 water column chlorophyll and phaeopigment concentrations for Georgia Coastal Ecosystems LTER sampling sites
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Abstract:
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Water samples were collected from the surface and the bottom of the water column at ten GCE-LTER sampling sites and from the surface of the water column during a low water transect along the Altamaha River in November 2001, March 2002, June 2002, September 2002, December 2002, and March 2003 . Samples were taken at various times of day and under various tidal conditions. The particulate matter was separated by filtration and analyzed for chlorophyll and phaeopigment content by flourometric analysis. This study was part of the GCE-LTER hydrographic monitoring program, and is repeated quarterly.
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DOI:
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10.6073/pasta/23c7282d45fddf9a5ede72bd11e55008
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Key Words:
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Altamaha River, chlorophyll, Doboy Sound, phaeopigments, phytoplankton, Sapelo River, Sapelo Sound
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LTER Core Area:
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Primary Production
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Research Themes:
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Phytoplankton Productivity |
Study Period:
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26-Nov-2001 to 29-Mar-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
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Downloads:
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Data Table: PHP-GCEM-0306 (Main data table for data set PHP-GCEM-0306, 538 records)
Access: Public (released 01-Jun-2004)
Metadata: Text (ESA FLED),
XML (Ecological Metadata Language)
Data Formats: Spreadsheet (CSV) [72.58kb], Text File [60.69kb], MATLAB (GCE Toolbox) [648.38kb], MATLAB (Variables) [535.45kb], Text Report [86.97kb]
Column List:(hide)
Column |
Name |
Units |
Type |
Description |
1 |
Cruise_ID |
none |
string |
GCE-LTER research cruise identifier (LTER[MM][YY]) |
2 |
Date_Sampled |
dd-mmm-yyyy |
string |
The date on which the sample was collected |
3 |
Time_Sampled |
hh:mm GMT |
string |
Time at which the sample was collected (GMT) |
4 |
Latitude |
decimal degrees |
floating-point |
Latitude at which the sample was collected |
5 |
Longitude |
decimal degrees |
floating-point |
Longitude at which the sample was collected |
6 |
Station |
none |
string |
GCE-LTER sampling station |
7 |
Site |
none |
integer |
GCE-LTER sampling site or transect from which the sample was collected |
8 |
Vessel |
none |
string |
The vessel from which the sample was collected |
9 |
CTD_Cast |
none |
string |
The CTD cast taken immediately preceding sample collection |
10 |
Depth_Sampled |
none |
string |
The depth at which the sample was collected, either surface or bottom of the water column |
11 |
Temperature |
°C |
floating-point |
The temperature of the water when the sample was collected |
12 |
Flag_Temperature |
none |
string |
QA/QC flags for The temperature of the water when the sample was collected (flagging criteria, where "x" is Temperature: x<-1.5="I", x<10="Q", x>35="Q") |
13 |
Salinity |
PSU |
floating-point |
The salinity of the water when the sample was collected |
14 |
Flag_Salinity |
none |
string |
QA/QC flags for The salinity of the water when the sample was collected (flagging criteria, where "x" is Salinity: x<0="I", x>35="Q") |
15 |
Tide |
none |
string |
The nominal tide state when the sample was collected (based on predicted tidal harmonics and qualitative observation) |
16 |
Vial |
none |
integer |
The number of the vial into which the sample was placed and stored |
17 |
Volume_Filtered |
ml |
floating-point |
The amount of water filtered for the sample |
18 |
Flag_Volume_Filtered |
none |
string |
QA/QC flags for The amount of water filtered for the sample (flagging criteria, where "x" is Volume_Filtered: x<0="I") |
19 |
Date_Processed |
dd-mmm-yyyy |
string |
The date on which the sample was processed (i.e. pigment extracted) |
20 |
Chlorophyll_a_Conc |
µg/l |
floating-point |
The number of micrograms of chlorophyll a per L determined to be in the sample |
21 |
Flag_Chlorophyll_a_Conc |
none |
string |
QA/QC flags for The number of micrograms of chlorophyll a per L determined to be in the sample (flagging criteria, where "x" is Chlorophyll_a_Conc: x<0="I") |
22 |
Phaeopigment_Conc |
µg/l |
floating-point |
The number of micrograms of phaeopigment a per L determined to be in the sample |
23 |
Flag_Phaeopigment_Conc |
none |
string |
QA/QC flags for The number of micrograms of phaeopigment a per L determined to be in the sample (flagging criteria, where "x" is Phaeopigment_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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Alber, Merryl. 2003. November 2001 to March 2003 water column chlorophyll and phaeopigment concentrations for 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/23c7282d45fddf9a5ede72bd11e55008
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