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GCE-LTER Data Set Summary

Accession: PHY-GCEM-0310e1 Research Theme: Physical Oceanography (Monitoring)
Contributors: Daniela Di Iorio, KiRyong Kang
Title: September 2003 bin-averaged CTD profiles for the Georgia Coastal Ecosystems Inner Marsh transect
Abstract: One hydrographic survey was performed on September 26, 2003, along the Darien River, North River, and north channel of the Altamaha River (Inner Marsh Transect, GCE-IM). Vertical CTD profiles were collected at various nominal stations along the transect under a low water tidal regime (flood tide). 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.
DOI: 10.6073/pasta/e4f3a4855c22671afde6be09e1dd7cf3
Key Words: chlorophyll, conductivity, Cruise CTD Profiling, density, depth, estuaries, hydrography, pressure, salinity, temperature, water column
LTER Core Area: Inorganic Matter
Research Themes: GCE2 Q2 - Domain Patterns, GCE3 Area2 - Patterns within the Domain, Physical Oceanography, Hydrography/Hydrology
Study Period: 26-Sep-2003 to 26-Sep-2003
Study Sites:
GCE-IM -- Inner Marsh, Georgia, USA
» Download Geographic Coverage: Google Earth
Data References: PHY-GCEM-0310e2 (Original data set prior to bin-averaging, interpolation)
Project References: Salinity variations across the GCE domain
Downloads: Information

Data Table: PHY-GCEM-0310e1 (Main data table for data set PHY-GCEM-0310e1, 71 records)

Access: Public (released 09-Oct-2004)

Metadata: Text (ESA FLED), XML (Ecological Metadata Language)

Data Formats: Spreadsheet (CSV) [11.44kb],  Text File [10.16kb],  MATLAB (GCE Toolbox) [177.88kb],  MATLAB (Variables) [152.51kb],  Text Report [38.12kb]

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
Statistics: Generate script code to retrieve data tables for analysis in: MATLAB, R, SAS, SPSS
Citation: Di Iorio, Daniela. 2003. September 2003 bin-averaged CTD profiles for the Georgia Coastal Ecosystems Inner Marsh transect. Georgia Coastal Ecosystems LTER Project, University of Georgia, Long Term Ecological Research Network. http://dx.doi.org/10.6073/pasta/e4f3a4855c22671afde6be09e1dd7cf3

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This material is based upon work supported by the National Science Foundation under grants OCE-9982133, OCE-0620959, OCE-1237140 and OCE-1832178. Any opinions, findings, conclusions, or recommendations expressed in the material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.