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WOD code table: v_6_methods

code_nameMeasure method
unitsWOD code
201Titration (Knudsen 1902)
203UNESCO (Cox et al.
204Fofonoff et al. (1974)
205Perkin and Walker (1972)
206Bennett (1976)
207Ribe and Howe (1975)
208Federov (1971)
209Other salinity methods
300Winkler method (unknown)
301Winkler automated oxygen titration; whole bottle method (Carpenter 1965)
302Winkler method (Radiometer automated titrator)
303Winkler automated oxygen titration: amperometric end-detection (Culberson 1991)
304Winkler automated oxygen titration: photometric end-detection
305Winkler manual oxygen titration: visual end-point (Strickland and Parsons 1972)
306Winkler manual oxygen titration: visual end-point (Carpenter 1965
307Winkler automated oxygen titration; whole bottle method & photometric end-detection (Jones 1992; Levy et al. 1977)
308Winkler manual oxygen titration: visual end-point
321Beckman polarographic oxygen sensor (CTD)
322Beckman polarographic oxygen sensor (Owens and Millard 1985)
323SBE 43 Dissolved Oxygen Sensor; Clark polarographic membrane
340Chromatography
360Spectrophotometric (Shibala method)
4100Winkler automated oxygen titration; (Williams and Jenkinson 1982; Friederich et al. 1991)
4101Winkler automated oxygen titration; whole bottle method; end-detection
400Spectrophotometric
401Spectrophotometric single solution method (Strickland and Parsons 1972)
402Spectrophotometric stannous chloride reduction
403Spectrophotometric persulphate oxidation (Menzel and Corwin 1965)
404Spectrophotometric perchloric acid digestion)
405Spectrophotometric reduced beta silico-molybdate (Strickland and Parsons 1972)
406Spectrophotometric reduced alpha silico-molybdate (Grasshof 1964)
407Cadmium reduction (Morris and Riley 1963; Wood et al. 1967)
408Strychnidine method (Rochford 1947)
409Spectrophotometric phenolhypochlorite method (Solorzano 1969)
410Spectrophotometric (Richards and Thompson 1952)
411Spectrophotometric (SCOR/UNESCO 1966)
412Spectrophotometric (Parsons and Strickland 1963)
413Spectrophotometric (Jeffrey and Humphery 1975)
500Autoanalyzer
501Technicon Autoanalyzer model unknown (Murphy and Riley 1962)
502Continuous flow autoanalyzer (CFA) colorimetric
503Continuous Flow Analyzer (Bendschneider and Robinson 1952)
504Continuous Flow Analyzer (CFA) Indophenol blue (Berthelot's reaction)
505Nitrate+Nitrite - autoanalyzer
506A Modification of colorimetric determination of silicic acid (Alimarin and Zverev
507Continuous flow autoanalyzer (CFA) (Alpkem)
508Continuous flow autoanalyzer (CFA) (Skalar instrument)
509Silicic acid concentration in water (Dienert and Wandenbulcke
510Ammonium samples were analyzed according to Lachat Instrument QuikChem method 31-107-06-1-B.
511Phosphates are determined by Lachat Instrument QuikChem Method 31-115-01-1-H.
512Silicates were measured using Lachat Instrument Method 31-114-27-1-C.
513Nitrates and Nitrites were determined using Lachat Instrument Method 31-107-04-1-C.
600Fluoroscence
601Fluoroscence in situ Turner fluorometer (Strickland and Parsons 1972)
602Fluoroscence in vivo underway (Lorenzen 1966)
603Fluorometer in-situ CTD
604Fluorometer (Aiken 1981)
605Fluorometric chl-a assay acetone extraction
606Fluorometric chl-a assay methanol extraction
607Fluorometric chl-a assay acetone extraction; Turner fluorometer (Yentsch and Menzel
608Chlorophyll and phaeopigments are measured fluorometrically using an acidification technique which may include chlorophyll-b interference (Holm-Hansen and Riemann
609Chlorophyll-a values based on the Welschmeyer method which corrects for chlorophyll-b and phaeophytin interference (Welschmeyer
700HPLC (High Performance Liquid Chromatography)
701HPLC (normal phase High Performance Liquid Chromatography)
702HPLC (reverse phase High Performance Liquid Chromatography)
80014C in-situ incubation
801Carbon-14 (14C) simulated in-situ or deck incubation
802Carbon-14 (14C) artificial light incubation
803Sorokin's method
804artificial light incubation (Hawaii method)
805artificial light incubation (Australian method)
806in situ light incubation (Hawaii method)
807in situ light incubation (Australian method)
808Carbon-14 (14C) simulated in-situ or deck incubation (Steeman Nielsen 1952; Doty and Oguri 1958)
860Van Dorn (Japanese)
900Automated titration
901Modified Gran titration (Brewer et al. 1986)
910Ruppin's method (Zubov 1937)
920Coulometric (Johnson et al. 1985)
921Coulometric Single operator multi-param metabolic analyzer (SOMMA)
922Coulometric; Single Operator Multi-Metabolic Analyzer (SOMMA) [Johnson et al.
923Coulometric (Johnson et al. 1993b)
924Potentiometric titration (Mintrop et al.
942Spectroscopic pH (25 degrees Celcius) and coulometric TCO2 using the carbonic acid dissociation constants of Mehrbach et al. (1973) as refit by Dickson and Millero (1987)
1000C/N analyzer - GF/F filter
1001BATS GF/F (0.7 um) CEC Elemental Analyzer
1002BOFS 200pm pre-filter then GF/F Europa Roboprep Analyzera
1003CEAREX: GF/F; Perkin Elmer Model 240B Elemental Analyzer
1004KH754: Type C GF/F; Yanagimoto CHN Analyzer
1050Spectrophotometric wet oxidation with dichromate (Strickland and Parsons 1972)
1100High Temperature Catalytic Oxidation (HTCO) (Sugimura and Suzuki)
1101Ultraviolet (UV) oxidation
1102Wet oxidation (ie. persulphate)
1103High Temperature Catalytic Oxidation (HTCO) ionics catalytic oxidation with IR CO2 detection
1104High Temperature Catalytic Oxidation (HTCO) Shimadzu catalytic oxidation with IR CO2 detection
1200Gas chromatography
1201Gas chromatography (Weiss 1981)
1202Gas chromatography xCO2 at analysis temperature
1203Gas chromatography (Bulsiewicz et al.
1205Gas chromatography pCO2 at analysis temperature
1231Infrared spectrometry
1233Infrared spectrometry pCO2
1261Nondispersive Infrared spectrometry (NDIR)
1262Nondispersive Infrared spectrometry (NDIR) xCO2 at analysis temperature
1300pH meter (potentiometric)
1340Coulometric
1343Coulometric (manual operation)
1344Coulometric; automated operation; single-operator multiparameter metabolic analyzer (SOMMA)
1450pH; spectrophotometry
1460pH value determined manually using a pH color chart (Buch 1937)
1461pH scale SWS25 ! do not use as method. Use scale header 3
1462pH scale NBS25 ! do not use as method. Use scale header 3
1463pH determined spectrophotometrically using the indicator m-cresol purple following Tupas et al. (1993) [Hawaii Time Series].
1464Total (titration) alkalinity determined using the modified Gran titration method as described in Tupas et al. (1997) [Hawaii Time Series]..
4001Freon gas extraction (Bullister and Weiss 1988)
4054Winkler automated oxygen titration: whole-bottle method; photometric end-detection (Culberson 1991)
4056Winkler automated oxygen titration: amperometric end-detection (Knapp et al. 1989)
4057Winkler automated oxygen titration: amperometric end-detection
4058Winkler automated oxygen titration: potentiometric and photometric end-detection (Culberson 1991; Culberson et al. 1991; Dickson 1994)
4059Winkler automated oxygen titration: whole-bottle method; photometric end-detection (Culberson 1992; Carpenter 1969; Friederich et al. 1991)
4061Winkler automated oxygen titration: whole-bottle method; amperometric end-detection (Culberson and Huang 1987)
4062Gran-linearized potentiometric Winkler titration (Anderson et al.
4063Continuous Flow Analyzer (CFA) (Gordon et al. 1993)
4064Modified gran approach (Dickson et al.
4065Alkalinity method of Perez and Fraga (1987)
4102Winkler automated oxygen titration (Rosenberg et al. 1995)
4103Continuous Flow Analyzer (CFA); Technicon Autoanalyzer model unknown (Armstrong et al. 1967)
4104Continuous Flow Analyzer (CFA); Technicon Autoanalyzer model unknown (Bernhardt and Wilhelms 1967)
4105Continuous Flow Analyzer (CFA); Technicon Autoanalyzer model unknown (Friedrich and Whitledge
4106Continuous Flow Analyzer (CFA); Murphy and Riley (1962)
4107Continuous Flow Analyzer (CFA); Raimbault et al. (1990)
4108Continuous Flow Analyzer (CFA); Fanning and Pilson (1973)
4109Fluoroscence in vivo underway (Kerouel and Aminot 1997)
4110Dissolved inorganic nutrients (Armstrong
4111Dissolved inorganic nutrients (Grasshoff
4112Dissolved inorganic nutrients (Strickland and Parsons
4113Winkler manual oxygen titration: visual end-point (Strickland and Parsons
4114Winkler manual oxygen titration: visual end-point
4115Manual volumetric titration
4116Spectrophometric following method of Robinson and Thompson (1948)
4117Continuous Flow Analyzer (CFA); Kirkwood (1995)
4118Salinity computed from Chlorinity data (Tcyrikova and Shylgina
4119Dissolved inorganic nutrients (Whitledge et al.
4120Salinity computed from Chlorinity data calculated from conductivity (Schiemer and Pritchard
4121pCO2/fCO2 measurement taken at 4 degrees celcius
4122pCO2/fCO2 measurement taken at 20 degrees celcius