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GCE-LTER Data Set Summary
Accession:
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PHY-GCEM-0305e1
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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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March 2003 bin-averaged CTD profiles for the Georgia Coastal Ecosystems Sapelo River transect
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Abstract:
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Three hydrographic surveys were performed from March 27 to March 28, 2003, 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 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/edfac3d9d4dcce45575fd247eee766a7
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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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27-Mar-2003 to 28-Mar-2003
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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-0305e2 (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-0305e1 (Main data table for data set PHY-GCEM-0305e1, 230 records)
Access: Public (released 09-May-2004)
Metadata: Text (ESA FLED),
XML (Ecological Metadata Language)
Data Formats: Spreadsheet (CSV) [35.31kb], Text File [32.43kb], MATLAB (GCE Toolbox) [276.02kb], MATLAB (Variables) [251.00kb], Text Report [70.95kb]
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 |
Transect |
none |
string |
GCE cruise transect |
13 |
Station |
none |
string |
GCE-LTER sampling station |
14 |
SurveyName |
none |
string |
Cruise survey title |
15 |
Survey |
none |
integer |
Nominal survey |
16 |
Cast |
none |
integer |
CTD cast number |
17 |
Depth |
m |
floating-point |
Water depth at pressure sensor |
18 |
Temperature |
°C |
floating-point |
Water temperature |
19 |
Conductivity |
S/m |
floating-point |
Conductivity |
20 |
Salinity |
PSU |
floating-point |
Salinity |
21 |
Density |
kg/m^3 |
floating-point |
Water density |
22 |
Sigma_t |
kg/m^3 |
floating-point |
Sigma-t (i.e. (Water Density-1)*1000) |
23 |
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. 2003. March 2003 bin-averaged 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/edfac3d9d4dcce45575fd247eee766a7
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