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GCE-LTER Data Set Summary
Accession:
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PHY-GCEM-0401c1
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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 bin-averaged CTD profiles for the Georgia Coastal Ecosystems Duplin River transect
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Abstract:
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One hydrographic surveys was performed on December 4, 2003, along an south-to-north transect up the Duplin River on Sapelo Island, Georgia (Duplin River Transect, GCE-DP). Vertical CTD profiles were collected at various nominal stations along the transect during low water conditions. Conductivity, temperature, pressure and optical backscatter were measured, and depth, salinity and sigma-t were calculated for each profile. Data values collected on the upcast were deleted, and the remaining data were averaged within 0.5m depth bins and interpolated to produce a smooth profile for contouring. 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/a6f0fe0ea7013d4dd45175d9851505a0
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Key Words:
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conductivity, Cruise CTD Profiling, density, depth, estuaries, hydrography, 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 02-Dec-2003
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Study Sites:
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GCE-DP -- Duplin River, Georgia, USA
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Data References:
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PHY-GCEM-0401c2 (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-0401c1 (Main data table for data set PHY-GCEM-0401c1, 31 records)
Access: Public (released 14-Jan-2005)
Metadata: Text (ESA FLED),
XML (Ecological Metadata Language)
Data Formats: Spreadsheet (CSV) [5.72kb], Text File [4.63kb], MATLAB (GCE Toolbox) [162.38kb], MATLAB (Variables) [134.01kb], Text Report [31.30kb]
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 |
Depth |
m |
floating-point |
Bin-averaged and interpolated water depth at pressure sensor |
19 |
Temperature |
°C |
floating-point |
Water temperature, bin-averaged and interpolated based on Depth values |
20 |
Conductivity |
S/m |
floating-point |
Conductivity, bin-averaged and interpolated based on Depth values |
21 |
Salinity |
PSU |
floating-point |
Salinity, bin-averaged and interpolated based on Depth values |
22 |
Density |
kg/m^3 |
floating-point |
Water density, bin-averaged and interpolated based on Depth values |
23 |
Sigma_t |
kg/m^3 |
floating-point |
Sigma-t (i.e. (Water Density-1)*1000), bin-averaged and interpolated based on Depth values |
24 |
OBS |
none |
floating-point |
Optical back-scatter, bin-averaged and interpolated based on Depth values |
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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 bin-averaged CTD profiles for the Georgia Coastal Ecosystems Duplin River transect. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/a6f0fe0ea7013d4dd45175d9851505a0
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