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Bio Geo Chemistry Data collected during 2007 and 2008 Cruises CARGO 1, CARGO 2, CARGO 3, CARGO 4, CARGO 5, CARGO 6
Detailed Acquisition and Processing Metadata for All Parameters Metadata generated from original file "2007 Great Lakes Biogeochem Data.xlsx, Sheet: Metadata" contributed by Bob Sterner See Individual Deployments/Data Info for cruise specific sampling notes
Refer to BH08-11 CARGO 5 Cruise Synopsis for detailed descriptions of acquisition and processing methodologies
BCO-DMO Processing/Edits - Data generated from original files: "2007 Great Lakes Biogeochem Data submitted.xlsx, Sheet: Data" "2008 Great Lakes Biogeochem Data submitted.xlsx, Sheet: Data" contributed by Bob Sterner - 2007 and 2008 data combined to create one CARGO BioGeoChem dataset - Date reformatted to YYYYMMDD - LATITUDE/LONGITUDE columns added and values for these inserted from Standard Stations dataset - Parameter names modified to conform to BCO-DMO conventions (blanks to underscores, etc.) - Parameter WATER_DEPTH changed to SAMPLE_DEPTH - Parameter "sed/core/water" changed to SAMPLE_TYPE - Spaces in CRUISE CODES removed - Station CD-1 changed to CD1 for compatibility with stations list and other datasets - "nd" (no data) value inserted in blank cells
<p>Refer to <a href="http://bcodata.whoi.edu/LaurentianGreatLakes_Chemistry/BH08-11_CARGO5_Cr... target="_blank">BH08-11 CARGO 5 Cruise Synopsis</a> for detailed descriptions of acquisition and processing methodologies</p>
Ponar Sampler
These samplers are designed to collect an accurate representative sample of the sediment bottom. The bite of the sampler should be deep enough so all depths are sampled equally. The closing mechanism is required to completely close and hold the sample as well as prevent wash-out during retrieval. Likewise, during descent the sampler should be designed to minimize disturbance of the topmost sediment by the pressure wave as it is lowered to the bottom.
Sea-Bird SBE 9
The Sea-Bird SBE 911 plus is a type of CTD instrument package for continuous measurement of conductivity, temperature and pressure. The SBE 911 plus includes the SBE 9plus Underwater Unit and the SBE 11plus Deck Unit (for real-time readout using conductive wire) for deployment from a vessel. The combination of the SBE 9 plus and SBE 11 plus is called a SBE 911 plus. The SBE 9 plus uses Sea-Bird's standard modular temperature and conductivity sensors (SBE 3 plus and SBE 4). The SBE 9 plus CTD can be configured with up to eight auxiliary sensors to measure other parameters including dissolved oxygen, pH, turbidity, fluorescence, light (PAR), light transmission, etc.). more information from Sea-Bird Electronics
Lachat flow injection analyzer
An instrument that performs flow injection analysis. Flow injection analysis (FIA) is an approach to chemical analysis that is accomplished by injecting a plug of sample into a flowing carrier stream. FIA is an automated method in which a sample is injected into a continuous flow of a carrier solution that mixes with other continuously flowing solutions before reaching a detector. Precision is dramatically increased when FIA is used instead of manual injections and as a result very specific FIA systems have been developed for a wide array of analytical techniques.
Turner 10-AU Fluorometer
A fluorometer or fluorimeter is a device used to measure parameters of fluorescence: its intensity and wavelength distribution of emission spectrum after excitation by a certain spectrum of light. The instrument is designed to measure the amount of stimulated electromagnetic radiation produced by pulses of electromagnetic radiation emitted into a water sample or in situ.
Multicorer
The Multi Corer is a benthic coring device used to collect multiple, simultaneous, undisturbed sediment/water samples from the seafloor. Multiple coring tubes with varying sampling capacity depending on tube dimensions are mounted in a frame designed to sample the deep ocean seafloor. For more information, see Barnett et al. (1984) in Oceanologica Acta, 7, pp. 399-408.
A Niskin bottle (a next generation water sampler based on the Nansen bottle) is a cylindrical, non-metallic water collection device with stoppers at both ends. The bottles can be attached individually on a hydrowire or deployed in 12, 24, or 36 bottle Rosette systems mounted on a frame and combined with a CTD. Niskin bottles are used to collect discrete water samples for a range of measurements including pigments, nutrients, plankton, etc.
Perkin Elmer 2400 CHN Analyzer
A unit that accurately determines the carbon and nitrogen concentrations of organic compounds typically by detecting and measuring their combustion products (CO2 and NO).
Shimadzu VCSH
TNM-1 AttachmentDetailed Acquisition and Processing Metadata for All Parameters
Metadata generated from original file "2007 Great Lakes Biogeochem Data.xlsx, Sheet: Metadata" contributed by Bob Sterner
See Individual Deployments/Data Info for cruise specific sampling notes
A unit that accurately determines the nitrogen concentrations of organic compounds typically by detecting and measuring its combustion product (NO). See description document at: http://bcodata.whoi.edu/LaurentianGreatLakes_Chemistry/totalnit.pdf
A unit that accurately determines the carbon concentrations of organic compounds typically by detecting and measuring its combustion product (CO2). See description document at: http://bcodata.whoi.edu/LaurentianGreatLakes_Chemistry/bs116.pdf
A unique internal sample identifier
Name of cruise when sample was taken
Date sample was taken from lake
Station occupied when sample was taken
Station Latitude from Standard Stations Dataset (South is negative)
Station Longitude from Standard Stations Dataset (West is negative)
Depth sample was taken.
Pore size of filter used to fractionate before sample collection.
Method of sample preservation
Volume of sample filtered.
Integer value; replicate number.
Type of sample (sed/core/water)
Dissolved inorganic carbon.
Dissolved organic carbon
Total nitrogen
Total dissolved nitrogen.
Hydrogen ion activity (pH)
Soluble reactive silica
Particulate Organic Carbon
Particulate Organic Nitrogen
Particulate phosphorus
Chlorophyll A
Nitrate
Ammoniuum
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