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GCE-LTER Data Set Summary
Accession:
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PHY-GCEM-0111a
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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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Spring 2001 CTD profiles for the Georgia Coastal Ecosystems Sapelo River transect
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Abstract:
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Three hydrographic surveys were performed between May 28 and June 5, 2001, 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 3km intervals from 0km to 32km during various tidal regimes. 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/fc0bfdee01e4ec99c5039e321331bad4
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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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28-May-2001 to 05-Jun-2001
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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-0205a (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-0111a (Main data table for data set PHY-GCEM-0111a, 369 records)
Access: Public (released 19-Nov-2002)
Metadata: Text (ESA FLED),
XML (Ecological Metadata Language)
Data Formats: Spreadsheet (CSV) [51.36kb], Text File [48.82kb], MATLAB (GCE Toolbox) [309.06kb], MATLAB (Variables) [283.18kb], Text Report [86.18kb]
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 |
CTD |
none |
integer |
ID number of CTD instrument used for the cast |
11 |
Transect |
none |
string |
GCE cruise transect |
12 |
Station |
none |
string |
GCE-LTER sampling station |
13 |
SurveyName |
none |
string |
Cruise survey title |
14 |
Survey |
none |
integer |
Nominal survey |
15 |
Cast |
none |
integer |
CTD cast number |
16 |
Depth |
m |
floating-point |
Water depth at pressure sensor |
17 |
Temperature |
°C |
floating-point |
Water temperature |
18 |
Conductivity |
S/m |
floating-point |
Conductivity |
19 |
Salinity |
PSU |
floating-point |
Salinity |
20 |
Density |
kg/m^3 |
floating-point |
Water density |
21 |
Sigma_t |
kg/m^3 |
floating-point |
Sigma-t (i.e. (Water Density-1)*1000) |
22 |
OBS |
unspecified |
floating-point |
Optical back-scatter |
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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. 2001. Spring 2001 CTD 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/fc0bfdee01e4ec99c5039e321331bad4
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