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GCE-LTER Data Set Summary

Accession: PHY-GCEM-0401d2 Research Theme: Physical Oceanography (Monitoring)
Contributors: Daniela Di Iorio, KiRyong Kang
Title: December 2003 CTD, PAR, oxygen and chlorophyll profiles for the Georgia Coastal Ecosystems Inner Marsh transect
Abstract: One hydrographic survey was performed on December 2, 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, 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.
DOI: 10.6073/pasta/b98859984f1b29e9f6f799f4f2c1aa1a
Key Words: chlorophyll, conductivity, Cruise CTD Profiling, density, depth, estuaries, hydrography, oxygen, photosynthetically active radiation, 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: 02-Dec-2003 to 02-Dec-2003
Study Sites:
GCE-IM -- Inner Marsh, Georgia, USA
» Download Geographic Coverage: Google Earth
Data References: PHY-GCEM-0401d1 (Original data set prior to bin-averaging, interpolation)
Project References: Salinity variations across the GCE domain
Downloads: Information

Data Table: PHY-GCEM-0401d2 (Main data table for data set PHY-GCEM-0401d2, 245 records)

Access: Public (released 14-Jan-2005)

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

Data Formats: Spreadsheet (CSV) [44.44kb],  Text File [43.59kb],  MATLAB (GCE Toolbox) [290.95kb],  MATLAB (Variables) [271.45kb],  Text Report [75.49kb]

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
Statistics: Generate script code to retrieve data tables for analysis in: MATLAB, R, SAS, SPSS
Citation: Di Iorio, Daniela. 2004. December 2003 CTD, PAR, oxygen and chlorophyll 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/b98859984f1b29e9f6f799f4f2c1aa1a

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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.