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GCE-LTER Data Set Summary
Accession:
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PHY-GCEM-0308b2
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Research Theme:
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Physical Oceanography (Monitoring)
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Contributors:
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Daniela Di Iorio, KiRyong Kang
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Title:
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June 2003 CTD, PAR, oxygen and chlorophyll profiles for the Georgia Coastal Ecosystems Intracoastal Waterway transect
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Abstract:
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Two hydrographic surveys were performed from June 18 to June 19, 2003, along the Intracoastal Waterway between the Altamaha River south of Wolf Island and Sapelo Sound (Intracoastal Waterway Transect, GCE-IC). Vertical CTD profiles were collected at various intervals from 0km to 23km along the transect during various tidal regimes. Conductivity, temperature, pressure, optical back scatter, photosynthetically-available radiation, oxygen and chlorophyll a fluorescence were measured, and depth, salinity and sigma-t were calculated for each profile. Data values collected during the upcast were deleted. This data set was collected as part of the Georgia Coastal Ecosystems LTER quarterly hydrographic monitoring program.
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DOI:
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10.6073/pasta/beedc4399a3c782f3105ab95d32ebbbd
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Key Words:
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conductivity, Cruise CTD Profiling, density, depth, estuaries, hydrography, oxygen, photosynthetically active radiation, pressure, salinity, temperature, water column
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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, Physical Oceanography, Hydrography/Hydrology |
Study Period:
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18-Jun-2003 to 19-Jun-2003
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Study Sites:
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GCE-IC -- Intracoastal Waterway, Georgia, USA
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Data References:
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PHY-GCEM-0308b1 (Bin-averaged, interpolated physical parameters)
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Project References:
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Salinity variations across the GCE domain |
Downloads:
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Data Table: PHY-GCEM-0308b2 (Main data table for data set PHY-GCEM-0308b2, 1734 records)
Access: Public (released 15-Aug-2004)
Metadata: Text (ESA FLED),
XML (Ecological Metadata Language)
Data Formats: Spreadsheet (CSV) [396.70kb], Text File [334.78kb], MATLAB (GCE Toolbox) [1153.83kb], MATLAB (Variables) [1048.63kb], Text Report [391.20kb]
Column List:(hide)
Column |
Name |
Units |
Type |
Description |
1 |
Cruise |
none |
string |
GCE-LTER research cruise identifier (LTER[MM][YY]) |
2 |
Year |
YYYY |
integer |
Calendar year |
3 |
Month |
MM |
integer |
Calendar month |
4 |
Day |
DD |
integer |
Calendar day |
5 |
Hour |
hours |
floating-point |
Fractional hours GMT |
6 |
Longitude |
degrees |
floating-point |
Geographic longitude |
7 |
Latitude |
degrees |
floating-point |
Geographic latitude |
8 |
Depth_Total |
m |
floating-point |
Water column depth measured by shipboard SONAR |
9 |
Flag_Depth_Total |
none |
string |
QA/QC flags for Water column depth measured by shipboard SONAR (flagging criteria, where "x" is Depth_Total: x<0="I", x>25="Q") |
10 |
RealTime |
none |
integer |
Real-time profile data flag (low frequency data collection rate) |
11 |
Filename |
none |
string |
CTD cast filename |
12 |
CTD |
none |
integer |
ID number of CTD instrument used for the cast |
13 |
Transect |
none |
string |
GCE cruise transect |
14 |
Station |
none |
string |
GCE-LTER sampling station |
15 |
SurveyName |
none |
string |
Cruise survey title |
16 |
Survey |
none |
integer |
Nominal survey |
17 |
Cast |
none |
integer |
CTD cast number |
18 |
Pressure |
dbar |
floating-point |
Water pressure |
19 |
Flag_Pressure |
none |
string |
QA/QC flags for Water pressure (flagging criteria, where "x" is Pressure: x<0="I") |
20 |
Depth |
m |
floating-point |
Water depth at pressure sensor |
21 |
Flag_Depth |
none |
string |
QA/QC flags for Water depth at pressure sensor (flagging criteria, where "x" is Depth: x<0="I", x>25="Q") |
22 |
Temperature |
°C |
floating-point |
Water temperature |
23 |
Flag_Temperature |
none |
string |
QA/QC flags for Water temperature (flagging criteria, where "x" is Temperature: x<2="Q", x>35="Q") |
24 |
Conductivity |
S/m |
floating-point |
Conductivity |
25 |
Flag_Conductivity |
none |
string |
QA/QC flags for Conductivity (flagging criteria, where "x" is Conductivity: x<0="I") |
26 |
Salinity |
PSU |
floating-point |
Salinity |
27 |
Flag_Salinity |
none |
string |
QA/QC flags for Salinity (flagging criteria, where "x" is Salinity: x<0="I", x>36="Q") |
28 |
Density |
kg/m^3 |
floating-point |
Water density |
29 |
Flag_Density |
none |
string |
QA/QC flags for Water density (flagging criteria, where "x" is Density: x<0="I") |
30 |
Sigma_t |
kg/m^3 |
floating-point |
Sigma-t (i.e. (Water Density-1)*1000) |
31 |
Flag_Sigma_t |
none |
string |
QA/QC flags for Sigma-t (i.e. (Water Density-1)*1000) (flagging criteria, where "x" is Sigma_t: x<-5="Q", x>28="Q") |
32 |
OBS |
unspecified |
floating-point |
Optical back-scatter |
33 |
Flag_OBS |
none |
string |
QA/QC flags for Optical back-scatter (flagging criteria, where "x" is OBS: ) |
34 |
PAR_Depth |
m |
floating-point |
Water depth at PAR sensor |
35 |
Flag_PAR_Depth |
none |
string |
QA/QC flags for Water depth at PAR sensor (flagging criteria, where "x" is PAR_Depth: x<0="I", x>25="Q") |
36 |
PAR |
µEinsteins/m^2 |
floating-point |
Photosynthetically available radiation |
37 |
Flag_PAR |
none |
string |
QA/QC flags for Photosynthetically available radiation (flagging criteria, where "x" is PAR: x<0="I", x>2000="I", PAR_Depth<0="I") |
38 |
Oxygen |
ml/L |
floating-point |
Oxygen concentration |
39 |
Flag_Oxygen |
none |
string |
QA/QC flags for Oxygen concentration (flagging criteria, where "x" is Oxygen: x<0="I", x>16="Q", Oxygen_Sat<60="Q", Oxygen_Sat>125="Q") |
40 |
Oxygen_Sat |
% |
floating-point |
Percent oxygen saturation in water |
41 |
Flag_Oxygen_Sat |
none |
string |
QA/QC flags for Percent oxygen saturation in water (flagging criteria, where "x" is Oxygen_Sat: x<0="I", x<60="Q", x>125="Q") |
42 |
ChlorA |
volts |
floating-point |
Uncalibrated Chlorophyll a concentration based on whole-water fluorometric analysis |
43 |
Flag_ChlorA |
none |
string |
QA/QC flags for Uncalibrated Chlorophyll a concentration based on whole-water fluorometric analysis (flagging criteria, where "x" is ChlorA: 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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Di Iorio, Daniela. 2003. June 2003 CTD, PAR, oxygen and chlorophyll profiles for the Georgia Coastal Ecosystems Intracoastal Waterway transect. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/beedc4399a3c782f3105ab95d32ebbbd
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