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GCE-LTER Data Set Summary
Accession:
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PHY-GCEM-0401b2
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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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December 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 December 2 to December 3, 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 -17km to 26km along the transect during flood and ebb 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/1d420fd1b32daba28287f8aba4508c87
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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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02-Dec-2003 to 03-Dec-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-0401b1 (Original data set prior to bin-averaging, interpolation)
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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-0401b2 (Main data table for data set PHY-GCEM-0401b2, 1111 records)
Access: Public (released 14-Jan-2005)
Metadata: Text (ESA FLED),
XML (Ecological Metadata Language)
Data Formats: Spreadsheet (CSV) [221.12kb], Text File [207.33kb], MATLAB (GCE Toolbox) [816.63kb], MATLAB (Variables) [796.55kb], Text Report [252.16kb]
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 |
RealTime |
none |
integer |
Real-time profile data flag (low frequency data collection rate) |
10 |
Filename |
none |
string |
CTD cast filename |
11 |
CTD |
none |
integer |
ID number of CTD instrument used for the cast |
12 |
Tide |
none |
string |
Nominal tide stage based on predicted tidal harmonics and shipboard observation |
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 |
Depth |
m |
floating-point |
Water depth at pressure sensor |
20 |
Temperature |
°C |
floating-point |
Water temperature |
21 |
Conductivity |
S/m |
floating-point |
Conductivity |
22 |
Salinity |
PSU |
floating-point |
Salinity |
23 |
Density |
kg/m^3 |
floating-point |
Water density |
24 |
Sigma_t |
kg/m^3 |
floating-point |
Sigma-t (i.e. (Water Density-1)*1000) |
25 |
OBS |
none |
floating-point |
Optical back-scatter |
26 |
PAR_Depth |
m |
floating-point |
Water depth at PAR sensor |
27 |
PAR |
µEinsteins/m^2 |
floating-point |
Photosynthetically available radiation |
28 |
Oxygen |
ml/L |
floating-point |
Oxygen concentration |
29 |
Oxygen_Sat |
% |
floating-point |
Percent oxygen saturation in water |
30 |
ChlorA |
v |
floating-point |
Uncalibrated Chlorophyll a concentration based on whole-water fluorometric analysis |
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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. 2004. December 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/1d420fd1b32daba28287f8aba4508c87
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