WOD code table: v_6_methods

code_name Measure method
units WOD code
201 Titration (Knudsen 1902)
203 UNESCO (Cox et al.
204 Fofonoff et al. (1974)
205 Perkin and Walker (1972)
206 Bennett (1976)
207 Ribe and Howe (1975)
208 Federov (1971)
209 Other salinity methods
300 Winkler method (unknown)
301 Winkler automated oxygen titration; whole bottle method (Carpenter 1965)
302 Winkler method (Radiometer automated titrator)
303 Winkler automated oxygen titration: amperometric end-detection (Culberson 1991)
304 Winkler automated oxygen titration: photometric end-detection
305 Winkler manual oxygen titration: visual end-point (Strickland and Parsons 1972)
306 Winkler manual oxygen titration: visual end-point (Carpenter 1965
307 Winkler automated oxygen titration; whole bottle method & photometric end-detection (Jones 1992; Levy et al. 1977)
308 Winkler manual oxygen titration: visual end-point
321 Beckman polarographic oxygen sensor (CTD)
322 Beckman polarographic oxygen sensor (Owens and Millard 1985)
323 SBE 43 Dissolved Oxygen Sensor; Clark polarographic membrane
340 Chromatography
360 Spectrophotometric (Shibala method)
4100 Winkler automated oxygen titration; (Williams and Jenkinson 1982; Friederich et al. 1991)
4101 Winkler automated oxygen titration; whole bottle method; end-detection
400 Spectrophotometric
401 Spectrophotometric single solution method (Strickland and Parsons 1972)
402 Spectrophotometric stannous chloride reduction
403 Spectrophotometric persulphate oxidation (Menzel and Corwin 1965)
404 Spectrophotometric perchloric acid digestion)
405 Spectrophotometric reduced beta silico-molybdate (Strickland and Parsons 1972)
406 Spectrophotometric reduced alpha silico-molybdate (Grasshof 1964)
407 Cadmium reduction (Morris and Riley 1963; Wood et al. 1967)
408 Strychnidine method (Rochford 1947)
409 Spectrophotometric phenolhypochlorite method (Solorzano 1969)
410 Spectrophotometric (Richards and Thompson 1952)
411 Spectrophotometric (SCOR/UNESCO 1966)
412 Spectrophotometric (Parsons and Strickland 1963)
413 Spectrophotometric (Jeffrey and Humphery 1975)
500 Autoanalyzer
501 Technicon Autoanalyzer model unknown (Murphy and Riley 1962)
502 Continuous flow autoanalyzer (CFA) colorimetric
503 Continuous Flow Analyzer (Bendschneider and Robinson 1952)
504 Continuous Flow Analyzer (CFA) Indophenol blue (Berthelot's reaction)
505 Nitrate+Nitrite - autoanalyzer
506 A Modification of colorimetric determination of silicic acid (Alimarin and Zverev
507 Continuous flow autoanalyzer (CFA) (Alpkem)
508 Continuous flow autoanalyzer (CFA) (Skalar instrument)
509 Silicic acid concentration in water (Dienert and Wandenbulcke
510 Ammonium samples were analyzed according to Lachat Instrument QuikChem method 31-107-06-1-B.
511 Phosphates are determined by Lachat Instrument QuikChem Method 31-115-01-1-H.
512 Silicates were measured using Lachat Instrument Method 31-114-27-1-C.
513 Nitrates and Nitrites were determined using Lachat Instrument Method 31-107-04-1-C.
600 Fluoroscence
601 Fluoroscence in situ Turner fluorometer (Strickland and Parsons 1972)
602 Fluoroscence in vivo underway (Lorenzen 1966)
603 Fluorometer in-situ CTD
604 Fluorometer (Aiken 1981)
605 Fluorometric chl-a assay acetone extraction
606 Fluorometric chl-a assay methanol extraction
607 Fluorometric chl-a assay acetone extraction; Turner fluorometer (Yentsch and Menzel
608 Chlorophyll and phaeopigments are measured fluorometrically using an acidification technique which may include chlorophyll-b interference (Holm-Hansen and Riemann
609 Chlorophyll-a values based on the Welschmeyer method which corrects for chlorophyll-b and phaeophytin interference (Welschmeyer
700 HPLC (High Performance Liquid Chromatography)
701 HPLC (normal phase High Performance Liquid Chromatography)
702 HPLC (reverse phase High Performance Liquid Chromatography)
800 14C in-situ incubation
801 Carbon-14 (14C) simulated in-situ or deck incubation
802 Carbon-14 (14C) artificial light incubation
803 Sorokin's method
804 artificial light incubation (Hawaii method)
805 artificial light incubation (Australian method)
806 in situ light incubation (Hawaii method)
807 in situ light incubation (Australian method)
808 Carbon-14 (14C) simulated in-situ or deck incubation (Steeman Nielsen 1952; Doty and Oguri 1958)
860 Van Dorn (Japanese)
900 Automated titration
901 Modified Gran titration (Brewer et al. 1986)
910 Ruppin's method (Zubov 1937)
920 Coulometric (Johnson et al. 1985)
921 Coulometric Single operator multi-param metabolic analyzer (SOMMA)
922 Coulometric; Single Operator Multi-Metabolic Analyzer (SOMMA) [Johnson et al.
923 Coulometric (Johnson et al. 1993b)
924 Potentiometric titration (Mintrop et al.
942 Spectroscopic 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)
1000 C/N analyzer - GF/F filter
1001 BATS GF/F (0.7 um) CEC Elemental Analyzer
1002 BOFS 200pm pre-filter then GF/F Europa Roboprep Analyzera
1003 CEAREX: GF/F; Perkin Elmer Model 240B Elemental Analyzer
1004 KH754: Type C GF/F; Yanagimoto CHN Analyzer
1050 Spectrophotometric wet oxidation with dichromate (Strickland and Parsons 1972)
1100 High Temperature Catalytic Oxidation (HTCO) (Sugimura and Suzuki)
1101 Ultraviolet (UV) oxidation
1102 Wet oxidation (ie. persulphate)
1103 High Temperature Catalytic Oxidation (HTCO) ionics catalytic oxidation with IR CO2 detection
1104 High Temperature Catalytic Oxidation (HTCO) Shimadzu catalytic oxidation with IR CO2 detection
1200 Gas chromatography
1201 Gas chromatography (Weiss 1981)
1202 Gas chromatography xCO2 at analysis temperature
1203 Gas chromatography (Bulsiewicz et al.
1205 Gas chromatography pCO2 at analysis temperature
1231 Infrared spectrometry
1233 Infrared spectrometry pCO2
1261 Nondispersive Infrared spectrometry (NDIR)
1262 Nondispersive Infrared spectrometry (NDIR) xCO2 at analysis temperature
1300 pH meter (potentiometric)
1340 Coulometric
1343 Coulometric (manual operation)
1344 Coulometric; automated operation; single-operator multiparameter metabolic analyzer (SOMMA)
1450 pH; spectrophotometry
1460 pH value determined manually using a pH color chart (Buch 1937)
1461 pH scale SWS25 ! do not use as method. Use scale header 3
1462 pH scale NBS25 ! do not use as method. Use scale header 3
1463 pH determined spectrophotometrically using the indicator m-cresol purple following Tupas et al. (1993) [Hawaii Time Series].
1464 Total (titration) alkalinity determined using the modified Gran titration method as described in Tupas et al. (1997) [Hawaii Time Series]..
4001 Freon gas extraction (Bullister and Weiss 1988)
4054 Winkler automated oxygen titration: whole-bottle method; photometric end-detection (Culberson 1991)
4056 Winkler automated oxygen titration: amperometric end-detection (Knapp et al. 1989)
4057 Winkler automated oxygen titration: amperometric end-detection
4058 Winkler automated oxygen titration: potentiometric and photometric end-detection (Culberson 1991; Culberson et al. 1991; Dickson 1994)
4059 Winkler automated oxygen titration: whole-bottle method; photometric end-detection (Culberson 1992; Carpenter 1969; Friederich et al. 1991)
4061 Winkler automated oxygen titration: whole-bottle method; amperometric end-detection (Culberson and Huang 1987)
4062 Gran-linearized potentiometric Winkler titration (Anderson et al.
4063 Continuous Flow Analyzer (CFA) (Gordon et al. 1993)
4064 Modified gran approach (Dickson et al.
4065 Alkalinity method of Perez and Fraga (1987)
4102 Winkler automated oxygen titration (Rosenberg et al. 1995)
4103 Continuous Flow Analyzer (CFA); Technicon Autoanalyzer model unknown (Armstrong et al. 1967)
4104 Continuous Flow Analyzer (CFA); Technicon Autoanalyzer model unknown (Bernhardt and Wilhelms 1967)
4105 Continuous Flow Analyzer (CFA); Technicon Autoanalyzer model unknown (Friedrich and Whitledge
4106 Continuous Flow Analyzer (CFA); Murphy and Riley (1962)
4107 Continuous Flow Analyzer (CFA); Raimbault et al. (1990)
4108 Continuous Flow Analyzer (CFA); Fanning and Pilson (1973)
4109 Fluoroscence in vivo underway (Kerouel and Aminot 1997)
4110 Dissolved inorganic nutrients (Armstrong
4111 Dissolved inorganic nutrients (Grasshoff
4112 Dissolved inorganic nutrients (Strickland and Parsons
4113 Winkler manual oxygen titration: visual end-point (Strickland and Parsons
4114 Winkler manual oxygen titration: visual end-point
4115 Manual volumetric titration
4116 Spectrophometric following method of Robinson and Thompson (1948)
4117 Continuous Flow Analyzer (CFA); Kirkwood (1995)
4118 Salinity computed from Chlorinity data (Tcyrikova and Shylgina
4119 Dissolved inorganic nutrients (Whitledge et al.
4120 Salinity computed from Chlorinity data calculated from conductivity (Schiemer and Pritchard
4121 pCO2/fCO2 measurement taken at 4 degrees celcius
4122 pCO2/fCO2 measurement taken at 20 degrees celcius