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GCE-LTER Data Set Summary
Accession:
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PHY-GCEM-0301c2
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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 2002 CTD, PAR, oxygen and chlorophyll profiles for the Georgia Coastal Ecosystems Sapelo River transect
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Abstract:
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Three hydrographic surveys were performed on June 21, 2002, along a transect from Sapelo Sound up the Sapelo River to Eulonia, Georgia (Sapelo River Transect, GCE-SP). Vertical CTD profiles were collected at approximately 2km intervals from 0km to 36km during low and high 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/d5786b38637d789bdeb55bfe42c976ee
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Key Words:
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chlorophyll, 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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21-Jun-2002 to 21-Jun-2002
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Study Sites:
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GCE-SP -- Sapelo River, Georgia, USA
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Data References:
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PHY-GCEM-0301c1 (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-0301c2 (Main data table for data set PHY-GCEM-0301c2, 1620 records)
Access: Public (released 01-Jan-2004)
Metadata: Text (ESA FLED),
XML (Ecological Metadata Language)
Data Formats: Spreadsheet (CSV) [359.34kb], Text File [303.16kb], MATLAB (GCE Toolbox) [1094.35kb], MATLAB (Variables) [986.56kb], Text Report [359.09kb]
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>110="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>110="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 2002 CTD, PAR, oxygen and chlorophyll profiles for the Georgia Coastal Ecosystems Sapelo River transect. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/d5786b38637d789bdeb55bfe42c976ee
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