code_name,Measure method
units,WOD code
201,Titration (Knudsen 1902)
203,UNESCO (Cox et al., 1967)
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, Anderson, 1971)
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, model and brand unknown
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, 1937)
507,Continuous flow autoanalyzer (CFA) (Alpkem)
508,Continuous flow autoanalyzer (CFA) (Skalar instrument)
509,Silicic acid concentration in water (Dienert and Wandenbulcke, 1923). 
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, 1963, Holm-Hansen et al. 1965)
608,Chlorophyll and phaeopigments are measured fluorometrically using an acidification technique which may include chlorophyll-b interference (Holm-Hansen and Riemann, 1978)
609,Chlorophyll-a values based on the Welschmeyer method which corrects for chlorophyll-b and phaeophytin interference (Welschmeyer, N.A. 1994.)
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., 1993; 1998]
923,Coulometric (Johnson et al. 1993b)
924,Potentiometric titration (Mintrop et al., 2000)
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., 1998)
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., 1992)
4063,Continuous Flow Analyzer (CFA) (Gordon et al. 1993)
4064,Modified gran approach (Dickson et al., 2003)
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 unknwon (Armstrong et al. 1967)
4104,Continuous Flow Analyzer (CFA); Technicon Autoanalyzer model (Bernhardt and Wilhelms 1967)
4105,Continuous Flow Analyzer (CFA); Technicon Autoanalyzer model unknown (Friedrich and Whitledge, 1972)
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, 1967)
4111,Dissolved inorganic nutrients (Grasshoff, 1965; 1984)
4112,Dissolved inorganic nutrients (Strickland and Parsons, 1968)
4113,Winkler manual oxygen titration: visual end-point (Strickland and Parsons, 1968) 
4114,Winkler manual oxygen titration: visual end-point, whole bottle method (Carpenter 1965)
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, 1964)
4119,Dissolved inorganic nutrients (Whitledge et al., 1981)
4120,Salinity computed from Chlorinity data calculated from conductivity (Schiemer and Pritchard, 1961)