Standard field names and units

Standard fields table below shows the list of valid field names and units to be used both when submitting measurements and querying the Database. In order to guarantee interoperability with NASA SeaBASS Database, SeaBASS Standard Fields and Units have been reported here, together with OCDB dedicated variables. The table it is also constantly updated with new fields, whenever needed.

SEABASS standard fields
(source: https://seabass.gsfc.nasa.gov/wiki/stdfields)
 

Field (Product)	Standard unit	Description
13CO2_amps	amps	Peak intensity of 13CO2 measured using EIMS
3H_Leu	pmol/kg/hr	Net bacterial production rates (Gross Production - Respiration) are estimated by tracing the incorporation of 3H-labeled leucine into biomass and serve as a proxy for the flux of labile dissolved organic matter through bacteria.
3H_Leu_L	pmol/L/hr	Net bacterial production rates (Gross Production - Respiration) are estimated by tracing the incorporation of 3H-labeled leucine into biomass and serve as a proxy for the flux of labile dissolved organic matter through bacteria.
a	1/m	Total absorption coefficient (aw + ap + ag)
a*ph	m^2/mg	Chlorophyll a specific absorption coefficient
a*srfa	m^2/mg	Specific absorption coefficient of Suwanee River Fulvic Acid standard
A578_A434	none	Ratio of absorbance of seawater using dyes 578 and 434
aa_alanine	nmol/L	alanine amino acid concentration
aa_arginine	nmol/L	arginine amino acid concentration
aa_aspartic_acid	nmol/L	aspartic acid amino acid concentration
aa_beta-alanine	nmol/L	beta-alanine amino acid concentration
aa_gamma_amino_butyric_acid	nmol/L	gamma_amino_butyric_acid amino acid concentration
aa_glutamic_acid	nmol/L	glutamic_acid amino acid concentration
aa_glycine	nmol/L	glycine amino acid concentration
aa_histidine	nmol/L	histidine amino acid concentration
aa_isoleucine	nmol/L	isoleucine amino acid concentration
aa_leucine	nmol/L	leucine amino acid concentration
aa_lysine	nmol/L	lysine amino acid concentration
aa_methionine	nmol/L	methionine amino acid concentration
aa_phenylalanine	nmol/L	phenylalanine amino acid concentration
aa_serine	nmol/L	serine amino acid concentration
aa_taurine	nmol/L	taurine amino acid concentration
aa_threonine	nmol/L	threonine amino acid concentration
aa_tyrosine	nmol/L	tyrosine amino acid concentration
aa_valine	nmol/L	valine amino acid concentration
aaer	1/m	Absorption coefficient of atmospheric aerosols
abs	unitless	Absorbance
abs*	m^2/mg	Carbon specific absorbance
abs_ad	unitless	Absorbance (Optical Density) of non-algal detritus
abs_ag	unitless	Absorbance (Optical Density) of Gelbstoff
abs_ap	unitless	Absorbance (Optical Density) of particles (ad + aph)
abs_blank_ad	unitless	Absorbance of a blank (or unused) filter pad for non-algal detritus.
abs_blank_ag	unitless	Absorbance of a blank (or unused) filter pad for Gelbstoff.
abs_blank_ap	unitless	Absorbance of a blank (or unused) filter pad for particles.
abs_nacl	unitless	Absorbance of NaCl solution (use with the _###ppt suffix)
abs_zero	unitless	Absorbance of a blank (or unused) filter pad; collected after the baseline but before the formal “blank” scans. Data should be spectrally flat about zero.
abun	cells/L	Concentration of cells observed
abun_bacterioplankton	cells/L	Abundance concentration of bacterioplankton
abun_phyto	cells/L	Abundance concentration of phytoplankton
abun_zoop	organisms/L	Abundance concentration of zooplankton
abundance	none	Number of cells observed
ad	1/m	Absorption coefficient of non-algal detritus or particles (NAP)
ad_model	1/m	Absorption coefficient of non-algal detritus or particles (NAP) that has been exponentially fit or smoothed
ad_unc	1/m	Accumulated estimate of standard uncertainty associated with the derivation of the absorption coefficient of non-algal detritus (ad) via error propagation through the absorption equation. See section 5.3.4 of IOCCG’s “Volume 1: Inherent Optical Property Measurements and Protocols: Absorption Coefficient” (2018).
adg	1/m	Absorption coefficient of non-algal detritus + Gelbstoff (ad + ag)
ag	1/m	Absorption coefficient of Gelbstoff
ag_model	1/m	Absorption coefficient of gelbstoff (i.e.; CDOM) that has been exponentially fitted or smoothed
agp	1/m	Absorption coefficient of Gelbstoff + particles (ag + ap)
Allo	mg/m^3	HPLC Alloxanthin
alpha-beta-Car	mg/m^3	HPLC Alpha (Beta;epsilon) + Beta (Beta;beta) Carotenes
altitude	m	Altitude above sea level
AMC	umol	Concentration of 7-Amino-4-methylcoumarin’s fluorescent molecules without an associated substrate (used for the calibration curve in flow cytometry).
AMC-Leu	umol/L/hr	Rate of substrate cleavage for L-Leucine-7-amido-4-methylcoumarin hydrochloride
amplitude	unitless	Amplitude use during calibration of oxygen sensors
angstrom	unitless	Angstrom exponent
Anth	mg/m^3	HPLC Antheraxanthin
AOT	unitless	Aerosol Optical Thickness (sometimes referred to as tau or taua)
AOU	umol/kg	Apparent Oxygen Utilization
AOU_kg	mL/L	Apparent Oxygen Utilization
ap	1/m	Absorption coefficient of particles (ad + aph)
ap_unc	1/m	Accumulated estimate of standard uncertainty associated with the derivation of the absorption coefficient of particles (ap) via error propagation through the absorption equation. See section 5.3.4 of IOCCG’s “Volume 1: Inherent Optical Property Measurements and Protocols: Absorption Coefficient” (2018).
aph	1/m	Absorption coefficient of phytoplankton
aph_model	1/m	Absorption coefficient of phytoplankton that has been exponentially fit or smoothed
aph_unc	1/m	Accumulated estimate of standard uncertainty associated with the derivation of the absorption coefficient of phytoplankton (aph) via error propagation through the absorption equation. See section 5.3.4 of IOCCG’s “ Volume 1: Inherent Optical Property Measurements and Protocols: Absorption Coefficient” (2018).
Ar_amps	amps	Peak intensity of Argon (Ar) measured using EIMS
area_based_diameter	um	Area-based diameter of the target detected within the ROI determined by means specified in the image processing method or protocol document.
area_cross_section	um^2	Cross-sectional area of the target detected within the ROI determined by means specified in the image processing method or protocol document.
asrfa	1/m	Absorption coefficient of Suwanee River Fulvic Acid standard
associated_file_types	none	File type of an associated file. Please contact SeaBASS staff before using this field to verify that your file type is supported. Valid entries for this field are: DNA-FASTQ; DNA-FASTA (for files relating to DNA analysis); BENTHIC (for images relating to benthic type and cover); metadata_sediment_trap (for additional trap informations such as coordinates or ancillary data); imaging_UVP (for UVP imagery and ancillary data);imaging_flowcam (for Flow Cam imagery and ancillary data); imaging_epifluorescence (for imagery collected with epifluorescence microscopy); and imaging_microscopy (for any images collected using traditional microscopy). If multiple entries are applicable; separate them with the pipe character: | To be used with field: associated_files
associated_files	none	File name of an associated file. Must be used with associated_file_type. Please include the file suffix in the entry. If multiple entries are applicable; separate them with the pipe character: | To be used with field: associated_file_type If individual files are referenced but are part of a TAR archive bundle; be sure to use the associated_archives and associated_archive_types headers.
associatedMedia	none	A unique persistent identifier of the media associated with the occurrence. The field provides the unique imagery file name corresponding to the source of the ROI or a URL pointing to a permanent landing page for the ROI image.
Asta	mg/m^3	HPLC Astaxanthin
At	degreesC	Air temperature
aw	1/m	Absorption coefficient of water
b	1/m	Total scattering coefficient (bw + bp)
Ba_138_134_d_delta	per_mil	Total Ba-isotopic composition
bactP	pmol/L/hr	Bacterioplankton production
bb	1/m	Total backscattering coefficient (bbw + bbp)
bb_counts	counts	Uncalibrated total backscattering coefficient (bbw + bbp)
bbp	1/m	Backscattering coefficient of particles
bbp_bp	unitless	Ratio of the backscattering coefficient of particles (bbp) to the total backscattering coefficient (bp)
bbp_gamma	unitless	Backscattering coefficient of particles spectral slope (the exponent of the power-law fit)
bbw	1/m	Backscattering coefficient of water
BChl_a	mg/m^3	HPLC Bacteriochlorophyll a
benthic_type	none	Description of the benthic seafloor community or substrate.
beta-beta-Car	mg/m^3	HPLC Beta-Carotene (Beta;beta-Carotene)
beta-epi-Car	mg/m^3	HPLC Alpha-Carotene (Beta;epsilon-Carotene)
beta-psi-Car	mg/m^3	HPLC Gamma-Carotene (Beta;psi-Carotene)
bin_depth	m	Nominal or center depth for each data bin
bin_diameter_center	m	size bin limit for particle size distribution measurements (e.g. for coulter counter)
bin_diameter_lower	m	size bin limit for particle size distribution measurements (e.g. for coulter counter)
bin_diameter_upper	m	size bin limit for particle size distribution measurements (e.g. for coulter counter)
bincount	none	Number of records averaged into a bin or reported measurement
biomass_microzoop	mg/m^3	Microzooplankton biomass
biotic_class	none	Biotic Class; Biotic Component; level 2 (CMECS Units; entry value should be text that does NOT contain the file’s delimiter)
biotic_community	none	Biotic Community; Biotic Component; level 5 (CMECS Units; entry value should be text that does NOT contain the file’s delimiter)
biotic_group	none	Biotic Group; Biotic Component; level 4 (CMECS Units; entry value should be text that does NOT contain the file’s delimiter)
biotic_setting	none	Biotic Setting; Biotic Component; level 1 (CMECS Units; entry value should be text that does NOT contain the file’s delimiter)
biotic_subclass	none	Biotic Subclass; Biotic Component; level 3 (CMECS Units; entry value should be text that does NOT contain the file’s delimiter)
biovol_bacterioplankton	um^3/cell	Mean (estimated) volume per bacterial cell.
biovolume	um^3	Biovolume for the target detected within the ROI determined by means specified in the biovolume calculation method or protocol document.
bottle	none	Number used to identify a specific bottle within an array of bottle samples collected
bp	1/m	Scattering coefficient of particles
BSi	mmol/m^3	Biogenic silica
But-fuco	mg/m^3	HPLC 19’-Butanoyloxyfucoxanthin
bw	1/m	Scattering coefficient of water
c	1/m	Beam attenuation coefficient
C2H3N_H	ppbv	VOCC concentration of (C2H3N)H+ in the air evolved from the experimental chambers that are measured by the PTR-TOF/MS. Use with headers /chemical_formula= and /mass_to_charge=.
C2H4O_H	ppbv	VOCC concentration of (C2H4O)H+ in the air evolved from the experimental chambers that are measured by the PTR-TOF/MS. Use with headers /chemical_formula= and /mass_to_charge=.
C2H6S_H	ppbv	VOCC concentration of (C2H6S)H+ in the air evolved from the experimental chambers that are measured by the PTR-TOF/MS. Use with headers /chemical_formula= and /mass_to_charge=.
C3H6O_H	ppbv	VOCC concentration of (C3H6O)H+ in the air evolved from the experimental chambers that are measured by the PTR-TOF/MS. Use with headers /chemical_formula= and /mass_to_charge=.
C5H8_H	ppbv	VOCC concentration of (C5H8)H+ in the air evolved from the experimental chambers that are measured by the PTR-TOF/MS. Use with headers /chemical_formula= and /mass_to_charge=.
C6H6_H	ppbv	VOCC concentration of (C6H6)H+ in the air evolved from the experimental chambers that are measured by the PTR-TOF/MS. Use with headers /chemical_formula= and /mass_to_charge=.
Cantha	mg/m^3	HPLC Canthaxanthin
cast	none	Cast id or number
cdmf	volts	CDOM fluorescence (may be used in combination with suffixes _ex### and/or _em###; like so: cdmf_ex###_em###; ex = excitation wavelength; em = emission wavelength)
cdmf_counts	counts	CDOM fluorescence (see “cdmf”) expressed in units of counts
cdom	mg/m^3	Concentration of chromophoric dissolved organic matter
cdomf	ppb	calibrated CDOM fluorescence measurements expressed in ppb QSE (CDOM fluorescence may be used in combination with suffixes _ex### and/or _em###; like so: cdomf_ex###_em###; ex = excitation wavelength; em = emission wavelength)
cg	1/m	Attenuation coefficient of Gelbstoff
cgp	1/m	Attenuation coefficient of Gelbstoff + particles (c - cw = agp + bp)
CH4O_H	ppbv	VOCC concentration of (CH4O)H+ in the air evolved from the experimental chambers that are measured by the PTR-TOF/MS. Use with headers /chemical_formula= and /mass_to_charge=.
CH4S_H	ppbv	VOCC concentrations of (CH4S)H+ in the air evolved from the experimental chambers that are measured by the PTR-TOF/MS. Use with headers /chemical_formula= and /mass_to_charge=.
Chl	mg/m^3	Chlorophyll a derived fluorometrically/spectrophotometrically (e.g.; “extracted” Chl)
Chl_a	mg/m^3	HPLC Chlorophyll a (MV_Chl_a plus allomers and epimers)
Chl_a_allom	mg/m^3	HPLC Chlorophyll a allomers
Chl_a_prime	mg/m^3	HPLC Chlorophyll a epimer
Chl_b	mg/m^3	HPLC Chlorophyll b
Chl_c	mg/m^3	HPLC Chlorophyll c
Chl_c1	mg/m^3	HPLC Chlorophyll c1
Chl_c1c2	mg/m^3	HPLC Chlorophyll c1 + c2 + Mg_DVP
Chl_c2	mg/m^3	HPLC Chlorophyll c2
Chl_c3	mg/m^3	HPLC Chlorophyll c3
Chl_experiment	mg/m^3	Chlorophyll a derived via experiment; or experimental methods. See specific documentation for more information.
Chl_lineheight	mg/m^3	Chlorophyll a derived using particulate absorption line height method
Chl_stimf	mg/m^3	Chlorophyll a derived from a calibrated in situ fluorometer
Chlide_a	mg/m^3	HPLC Chlorophyllide a
Chlide_b	mg/m^3	HPLC Chlorophyllide b
chors_id	none	CHORS HPLC processing identification number
cloud	%	Percent cloud cover
cnw	1/m	Attenuation coefficient of Gelbstoff + particles (obsolete; see cgp)
CO2_amps	amps	Peak intensity of CO2 measured using EIMS
conc_Ba_total	nmol/L	Total concentration of Barium
conc_particles	particles/L	Concentration in particles per liter
conc_Pb_210	dpm/L	Concentration of Lead 210
conc_Po_210	dpm/L	Concentration of Polonium 210
conc_Th_234	dpm/L	Concentration of Thorium 234
conc_U_238	dpm/L	Concentration of Uranium 238
cond	mmho/cm	Conductivity
cp	1/m	Beam attenuation coefficient of particles (ap + bp)
cp_gamma	unitless	Particulate beam attenuation spectral slope (the exponent of the power-law fit)
cp_gamma_RMSE	unitless	Root mean squared error (RMSE) evaluation of the goodness of fit of cp_gamma (spectral slope)
Croco	mg/m^3	HPLC Crocoxanthin
cw	1/m	Beam attenuation coefficient of water (aw + bw)
cycle	none	Incrementing counter describing the sampling interval of the instrument. Relevant to the PTR-TOF/MS.
data_provider_category_automated	none	A category used by the data provider to name the organism or particle for an automated classification; not necessarily a scientific name (e.g.; pennate or detritus).
data_provider_category_manual	none	A category used by the data provider to name the organism or particle for a manual identification; not necessarily a scientific name.
date	yyyymmdd	Sample date
date_end	yyyymmdd	Date sampling stopped (only needed for extended measurements; e.g.; multi-day integration measurements for sediment traps; also see “time_end”)
date_processed	yyyymmdd	Date the sample was processed
date_recovery	yyyymmdd	Date instrumentation was recovered from the field (only needed for extended measurements; e.g.; multi-day integration measurements for sediment traps; also see “time_recovery”)
date_resurface	yyyymmdd	Date instrumentation resurfaced from a submerged deployment (e.g.; used for non-buoyant sediment traps)
date_start	yyyymmdd	Date sampling began (only needed for extended measurements; e.g.; multi-day integration measurements for sediment traps; also see “time_start”)
day	dd	Sample day
DCAA	nM	Dissolved combined amino acid concentration
depth	m	Depth of measurement
dewpoint	degreesC	Dew point temperature
Diadchr	mg/m^3	HPLC Diadinochrome
Diadino	mg/m^3	HPLC Diadinoxanthin
Diato	mg/m^3	HPLC Diatoxanthin
DIC	umol/kg	Dissolved inorganic carbon (per kg)
DIC_L	umol/L	Dissolved inorganic carbon (per L; preferred units for satellite val)
Dino	mg/m^3	HPLC Dinoxanthin
DMSA	ppt	Concentration of dimethyl sulfide (DMS) in the atmosphere
DMSSW	nmol/L	Concentration of dimethyl sulfide (DMS) in sea water
DNA	mg/m^3	DNA (DeoxyriboNucleic Acid) concentration within a water volume
DOC	umol/kg	Dissolved organic carbon (per kg)
DOC_L	umol/L	Dissolved organic carbon (per L; preferred units for validation)
DP	mg/m^3	Total diagnostic pigments (PSC + Allo + Zea + Tot_Chl_b)
DV_Chl_a	mg/m^3	HPLC Divinyl Chorophyll a
DV_Chl_b	mg/m^3	HPLC Divinyl Chorophyll b
E_scalar	uW/cm^2/nm	Scalar irradiance
Echin	mg/m^3	HPLC Echinenone
Ed	uW/cm^2/nm	Downwelling irradiance (planar measurements only; for scalar measurements use scalar fields)
Ed_scalar	uW/cm^2/nm	Downwelling scalar irradiance
EdGND	volts	Dark current values for Ed sensor
EdPAR_scalar	uE/cm^2/s	Downwelling scalar PAR irradiance
elapsed_time	seconds	Elapsed time
Elw	uW/cm^2	Downwelling irradiance over the infrared spectrum; 3 to 40 um
Epar	uE/cm^2/s	Profiled PAR (planar measurements only; for scalar measurements use scalar fields)
EPAR_scalar	uE/cm^2/s	Scalar PAR irradiance
epi-epi-Car	mg/m^3	HPLC Epsilon-Carotene (Epsilon;epsilon-Carotene)
equivalent_spherical_diameter	um	Equivalent spherical diameter of the target detected within the ROI determined by means specified in the image processing method or protocol document.
Es	uW/cm^2/nm	Downwelling surface irradiance (planar measurements only; for scalar measurements use scalar fields)
EsGND	volts	Dark current values for Es sensor
Esky	uW/cm^2/nm	Downwelling sky irradiance
Esun	uW/cm^2/nm	Downwelling sun irradiance (direct normal solar irradiance)
Esw	uW/cm^2	Downwelling irradiance over the solar spectrum; 0.3 to 3 um
Et-8-carot	mg/m^3	HPLC Ethyl-apo-8’-carotene
Et-chlide_a	mg/m^3	HPLC Ethyl Chlorophyllide a
Et-chlide_b	mg/m^3	HPLC Ethyl Chlorophyllide b
Eu	uW/cm^2/nm	Upwelling irradiance
Eu_scalar	uW/cm^2/nm	Upwelling scalar irradiance
EuGND	volts	Dark current values for Eu sensor
EuPAR	uE/cm^2/s	Profiled upwelling PAR (planar measurements only; for scalar measurements use scalar fields)
EuPAR_scalar	uE/cm^2/s	Upwelling scalar PAR irradiance
F-initial	unitless	Minimum fluorescence in darkness. Fast Repetition Rate Fluorescence measurement; commonly abbreviated as F0
F0	uW/cm^2/nm	Extraterrestrial solar irradiance
fecalpellet_production_carbon_carbonweight	mg/mg/hr	Zooplankton fecal pellet production in Carbon (carbon weight)
fecalpellet_production_carbon_dryweight	mg/mg/hr	Zooplankton fecal pellet production in Carbon (dry weight)
FL-A	arbunits	Area of the signal of emission by fluorescence (flow cytometry). May be used with _ex###_em### field modifiers.
FL-H	arbunits	Height of the signal of emission by fluorescence (flow cytometry). May be used with _ex###_em### field modifiers.
flux_ATN	m^2_m^-2_d^-1	Rate of increase of accumulated particles’ attenuance (characterize methods with flux_sampling_method; etc.)
flux_Ba	mmol_m^-2_d^-1	Flux of barium (characterize methods with flux_sampling_method; etc.)
flux_bSi	mmol_m^-2_d^-1	Flux of biogenic silica (characterize methods with flux_sampling_method; etc.)
flux_calibration_method	none	Flux_calibration_method must be included to characterize flux measurements in a SeaBASS file (if relevant; otherwise set to missing value); along with flux_sampling_method; flux_submethod; and flux_sinking_speed_method. Text values are restricted to the following list: none; direct_trap; empirical; theoretical; LVP (i.e.; Large volume pumps)
flux_mass	mg_m^-2_d^-1	Total dry mass flux of particulate matter (characterize methods with flux_sampling_method; etc.)
flux_P	mmol_m^-2_d^-1	Flux of total phosophorus (characterize methods with flux_sampling_method; etc.)
flux_particles	particles/m^2/d	Flux of particles (characterize methods with flux_sampling_method; etc.).
flux_Pb_210	dpm_m^-2_d^-1	Flux of lead 210 (characterize methods with flux_sampling_method; etc.)
flux_PC	mmol_m^-2_d^-1	Flux of Particulate Carbon (characterize methods with flux_sampling_method; etc.)
flux_PC_ATN	mmol_m^-2_d^-1	Flux of Particulate Carbon based on empirical calibration with flux_ATN (characterize methods with flux_sampling_method; etc.)
flux_PIC	mmol_m^-2_d^-1	Flux of Particulate Inorganic Carbon (characterize methods with flux_sampling_method; etc.)
flux_PN	mmol_m^-2_d^-1	Flux of Particulate Nitrogen (characterize methods with flux_sampling_method; etc.)
flux_Po_210	dpm_m^-2_d^-1	Flux of polonium 210 (characterize methods with flux_sampling_method; etc.)
flux_POC	mmol_m^-2_d^-1	Flux of Particulate Organic Carbon (characterize methods with flux_sampling_method; etc.)
flux_sampling_method	none	Flux_sampling_method must be included to characterize flux measurements in a SeaBASS file; along with flux_submethod; flux_calibration_method; and flux_sinking_speed_method. Text values are restricted to the following list: direct_trap; optical_trap; radiotracer; large_particles
flux_sinking_speed_method	none	Flux_sinking_speed_method must be included to characterize flux measurements in a SeaBASS file (if relevant; otherwise set to missing value); along with flux_sampling_method; flux_submethod; and flux_calibration_method. Text values are restricted to the following list: experimental; theoretical; inversion
flux_submethod	none	Flux_submethod must be included to characterize flux measurements in a SeaBASS file; along with flux_sampling_method; flux_calibration_method; and flux_sinking_speed_method. Text values are restricted to the following list: none; NBST (i.e.; Neutrally buoyant sediment trap); STT (i.e.; Surface tethered traps/sediment trap array); transmissometer; SnoCam (i.e.; Omand’s sediment trap camera); Th_234; Po_210; LVP (i.e.; Large volume pumps); UVP (i.e.; Underwater vision profiler); MOCNESS; gel_trap
flux_Th_234	dpm_m^-2_d^-1	Flux of Thorium 234 (characterize methods with flux_sampling_method; etc.)
Fm	unitless	Maximum fluorescence in darkness. Fast Repetition Rate Fluorescence measurement
FSC-A	arbunits	Area of the signal of light scattered in the forward direction from the laser interrogating particles (flow cytometry).
FSC-H	arbunits	Height of the signal of light scattered in the forward direction from the laser interrogating particles (flow cytometry).
FSCpar-H	arbunits	Height of the signal of light that has been aligned parallel to the original polarization of the laser interrogating particles (flow cytometry).
FSCperp-H	arbunits	Height of the signal of light that has been depolarized from the original polarization of the laser interrogating particles (flow cytometry).
Fuco	mg/m^3	HPLC Fucoxanthin
Fv_Fm	unitless	Maximum photochemical efficiency. Fast Repetition Rate Fluorescence measurement; commonly abbreviated as Fv/Fm
g	d^-1	Grazing Rate
g_herb	d^-1	Herbivorous Grazing Rate (i.e. Herbivore Induced Mortality)
geoform	none	Geoform (CMECS Units; Geoform Subcomponent; entry value should be text that does NOT contain the file’s delimiter)
geoform_origin	none	Geoform origin (CMECS Units; Geoform Subcomponent; entry value should be text that does NOT contain the file’s delimiter)
geoform_physiographic_setting	none	Geoform Component Physiographic Setting Subcomponent (CMECS Units; entry value should be text that does NOT contain the file’s delimiter)
geoform_tectonic_setting	none	Geoform Component Tectonic Subcomponent (CMECS Units; entry value should be text that does NOT contain the file’s delimiter)
geoform_type	none	Geoform type (CMECS Units; Geoform Subcomponent; entry value should be text that does NOT contain the file’s delimiter)
GPP	mg/m^3/d	Gross Primary Productivity
Gyro	mg/m^3	HPLC Gyroxanthin-Diester
H2O_amps	amps	Peak intensity of H2O measured using EIMS
heading	degrees	platform’s heading (e.g.; ship’s); in degrees
Hex-fuco	mg/m^3	HPLC 19’-Hexanoyloxyfucoxanthin
Hex-kfuco	mg/m^3	HPLC 19’-Hexanoyloxy-4-ketofucoxanthin
hour	hh	Sample hour
hpl_id	none	HPL HPLC processing identification number
hplc_gsfc_id	none	NASA GSFC HPLC processing idenfication number (i.e. ‘GSFC HPLC lab sampler code’)
incubation_duration	hh	Incubation time
iso_C2H3N_H	ppbv	VOCC concentration of (13C2H3N)H+ in the air evolved from the experimental chambers that are measured by the PTR-TOF/MS. Use with headers /chemical_formula= and /mass_to_charge=.
iso_C2H4O_H	ppbv	VOCC concentration of d3-acetaldehyde (C2HD3O)H+ in the air evolved from the experimental chambers that are measured by the PTR-TOF/MS. Use with headers /chemical_formula= and /mass_to_charge=.
iso_C2H6S_H	ppbv	VOCC concentration of d3-dimethylsulfide (C2D3H3S)H+ in the air evolved from the experimental chambers that are measured by the PTR-TOF/MS. Use with headers /chemical_formula= and /mass_to_charge=.
iso_C3H6O_H	ppbv	VOCC concentration of d6-acetone (C3D6O)H+ in the air evolved from the experimental chambers that are measured by the PTR-TOF/MS. Use with headers /chemical_formula= and /mass_to_charge=.
iso_CH4O_H	ppbv	VOCC concentration of (13CH4O)H+ in the air evolved from the experimental chambers that are measured by the PTR-TOF/MS. Use with headers /chemical_formula= and /mass_to_charge=.
It	degreesC	Instrument temperature
Kd	1/m	Diffuse attenuation coefficient of Ed
Kl	1/m	Diffuse attenuation coefficient of Lu
Knf	1/m	Diffuse attenuation coefficient of natf
Kpar	1/m	Diffuse attenuation coefficient of PAR
Ku	1/m	Diffuse attenuation coefficient of Eu
lat	degrees	Sample latitude (decimal fractions; -90 to 90)
lat_end	degrees	Latitude where sampling ended (only needed for extended measurements; e.g.; multi-day integration measurements for drifting sediment traps)
lat_recovery	degrees	Latitude where instrumentation was recovered from the field (only needed for extended measurements; e.g.; multi-day integration measurements for sediment traps)
lat_resurface	degrees	Latitude where instrumentation resurfaced from a submerged deployment (e.g.; used for non-buoyant sediment traps)
lat_start	degrees	Latitude where sampling started (only needed for extended measurements; e.g.; multi-day integration measurements for drifting sediment traps)
length_representation	um	Representation of length of the target detected within the ROI or largest mesh size for which the target could be retained; determined by means specified in the image processing method or protocol document.
lightlevel	%	Light sample was exposed to; relative to the ambient or experimental intensity
lon	degrees	Sample longitude (decimal fractions; -180 to 180)
lon_end	degrees	Longitude where sampling ended (only needed for extended measurements; e.g.; multi-day integration measurements for drifting sediment traps)
lon_recovery	degrees	Longitude where instrumentation was recovered from the field (only needed for extended measurements; e.g.; multi-day integration measurements for sediment traps)
lon_resurface	degrees	Longitude where instrumentation resurfaced from a submerged deployment (e.g.; used for non-buoyant sediment traps)
lon_start	degrees	Longitude where sampling started (only needed for extended measurements; e.g.; multi-day integration measurements for drifting sediment traps)
LSi	mmol/m^3	Lithogenic silica
Lsky	uW/cm^2/nm/sr	Sky radiance
Lt	uW/cm^2/nm/sr	Total water radiance
Lu	uW/cm^2/nm/sr	Upwelling radiance
LuGND	volts	Dark current values for Lu sensor
Lut	mg/m^3	HPLC Lutein
Lw	uW/cm^2/nm/sr	Water leaving radiance
Lw_unc	uW/cm^2/nm/sr	Accumulated estimate of standard uncertainty associated with the derivation of water leaving radiance (Lw) via error propagation through the air-water interface.
Lwn	uW/cm^2/nm/sr	Normalized water leaving radiance (Lwn = Lw*F0/Es)
Lwnex	uW/cm^2/nm/sr	Exact normalized water leaving radiance ( e.g.; Morel et al. 2002 )
Lyco	mg/m^3	HPLC Lycopene
Me-chlide_a	mg/m^3	HPLC Methyl Chlorophyllide a
Me-chlide_b	mg/m^3	HPLC Methyl Chlorophyllide b
Mg_DVP	mg/m^3	HPLC Mg 2;4 divinyl pheoporphyrin a5 monomethyl ester
minute	mn	Sample minute
Monado	mg/m^3	HPLC Monadoxanthin
month	mo	Sample month
mPF	none	Microplankton proportion factor ([Fuco + Perid] / DP)
MUF	umol	Concentration of 4-Methylumbelliferone’s fluorescent molecules without an associated substrate (used for the calibration curve in flow cytometry).
MUF-But	umol/L/hr	Rate of substrate cleavage for 4-Methylumbelliferyl butyrate
MUF-Glu	umol/L/hr	Rate of substrate cleavage for 4-Methylumbelliferyl beta-D-glucopyranoside
MUF-PO4	umol/L/hr	Rate of substrate cleavage for 4-Methylumbelliferyl phosphate
MV_Chl_a	mg/m^3	HPLC Monovinyl Chorophyll a
MV_Chl_b	mg/m^3	HPLC Monovinyl Chorophyll b
mz	unitless	Mass-to-charge ratio; used to describe proton-transfer-reaction time-of-flight mass spectrometer (PTR-TOF/MS) measurements
N2_amps	amps	Peak intensity of N2 measured using EIMS
N2_Ar_ratio	unitless	Ratio between N2 and Argon (Ar) peak intensities measured using EIMS
N2_fix	ug/m^3/d	Nitrogen Fixation Rates
N2_O2_ratio	unitless	Ratio between N2 and O2 peak intensities measured using EIMS
N2avg	s^-2	The mean squared buoyancy frequency (Brunt–Väisälä frequency) between the surface and measurement depth
nadir	degrees	Sensor nadir angle (the nadir is the downward facing viewing geometry; opposite the zenith)
nanoeukaryote	(see Field Name Suffixes table)	Phytoplankton taxonomic label for nanoeukaryote. Use in combination with the supported suffixes in the Field Name Suffixes Table.
natf	nE/m^2/sr/s	natural fluorescence of chlorophyll a
NCCb	mmol/m^2/d	Net Benthic Community Calcification; expressed as the millimole production of CaCO3 per benthic area per day
NCP_O2_Ar_ratio_continuous	mmol/m^2/d	Net Community Productivity; expressed as the millimole production of O2 per area per day and calculated using the O2/Ar ratio from the ship’s flow-through seawater line by Equilibrator Inlet Mass Spectrometry (EIMS)
NCPb	mmol/m^2/d	Net Benthic Community Productivity; expressed as the millimole production of O2 per benthic area per day
Neo	mg/m^3	HPLC Neoxanthin
net_interval	m	net tow distance traveled
NH4	mmol/m^3	NH4
NO2	mmol/m^3	Nitrite
NO2_NO3	mmol/m^3	NO2 + NO3
no2ot	unitless	NO2 Optical Depth or NO2 Optical Thickness
NO3	mmol/m^3	Nitrate
nPF	none	Nanoplankton proportion factor ([Hex-fuco + But-fuco + Allo] / DP)
NPP	mg/m^3/d	Net Primary Productivity
nrb	photoelectrons/usec/shot	Normalized relative backscatter
O2_amps	amps	Peak intensity of O2 measured using EIMS
O2_Ar_ratio	unitless	Ratio between O2 and Argon (Ar) peak intensities measured using EIMS
o3ot	unitless	Ozone Optical Thickness or Ozone Optical Depth
oxygen	ml/L	Dissolved oxygen
oxygen_consumption_temcorr	uL/h	Oxygen consumption at the temperature that the organisms would have been at (temperature corrected)
oxygen_kg	umol/kg	Dissolved oxygen
oxygen_phase	degrees	Oxygen phase
oxygen_saturation	%	Percent oxygen saturation
Oz	dobson	Column Ozone
P-457	mg/m^3	HPLC P-457
PAR	uE/cm^2/s	PAR measured at the sea surface
PC	mmol/m^3	Concentration of Particulate Carbon
pCO2	uatm	Surface water partial pressure of carbon dioxide
pDrift	mbar	Pressure in the drift tube of the PTR-TOF/MS.
Perid	mg/m^3	HPLC Peridinin
pH	none	pH
PHAEO	mg/m^3	Total phaeopigment concentration
Phide_a	mg/m^3	HPLC Pheophorbide a
Phide_b	mg/m^3	HPLC Pheophorbide b
Phide_c	mg/m^3	HPLC Pheophorbide c
Phycocyanin	mg/m^3	Phycocyanin derived fluorometrically/spectrophotometrically
Phytin_a	mg/m^3	HPLC Pheophytin a
Phytin_b	mg/m^3	HPLC Pheophytin b
Phytin_c	mg/m^3	HPLC Pheophytin c
phyto_carbon	ug/L	Phytoplankton carbon concentration
Phytyl-chl_c	mg/m^3	HPLC Phytylated Chlorophyll c
PIC	mol/m^3	Particulate inorganic carbon
picoeukaryote	(see Field Name Suffixes table)	Phytoplankton taxonomic label for picoeukaryote. Use in combination with the supported Field Name Suffixes Table.
PIM	mg/L	Suspended particulate inorganic matter
piston_velocity	m/d	Weighted piston velocity
pitch	degrees	Instrument pitch
pitch_Ed	degrees	Downwelling irradiance instrument pitch
pitch_Es	degrees	Downwelling surface irradiance instrument pitch
pitch_Lu	degrees	Upwelling radiance instrument pitch
PN	mg/m^3	Particulate nitrogen
PN_mmol	mmol/m^3	Particulate nitrogen
PO4	mmol/m^3	Phosphate
POC	mg/m^3	Particulate organic carbon
POC_cp	mg/m^3	Particulate organic carbon derived using particulate beam attenuation
POH	mg/m^3	Particulate organic hydrogen
POM	mg/L	Suspended particulate organic matter
PON	mg/m^3	Particulate organic nitrogen
PP	mgC/mgchla/hr	Primary productivity
PPC	mg/m^3	Photoprotective carotenoids (Allo + Diadino + Diato + Zeo + alpha-beta-Car)
PPC_Tcar	none	Ratio of PPC to Tcar
PPC_Tpg	none	Ratio of PPC to Tpg
pPF	none	Picoplankton proportion factor ([Zea + Tot_chl_b] / DP)
Pras	mg/m^3	HPLC Prasinoxanthin
pressure	dbar	Water pressure
pressure_atm	mbar	Atmospheric pressure
pressure_instrument	mbar	Pressure within the instrument
prochlorococcus	(see Field Name Suffixes table)	Phytoplankton taxonomic label for prochlorococcus. Use in combination with the supported Field Name Suffixes listed in the above table; relating to taxonomic types.
profile	none	Profile id or number. Positive values are used for upward profiles; and negative values for downward profiles.
PSC	mg/m^3	Photosynthetic carotenoids (But-fuco + Fuco + Hex-fuco + Perid)
PSC_Tcar	none	Ratio of PSC to Tcar
PSD	uL/L	Particle Size Distribution. Must be used in conjunction with a suffix to specify sizes; e.g.; PSD_80.5size (see _###size in table of field name modifiers.)
PSD_DNSD	number/m^3/um	Differential number size distribution. Must be used in conjunction with a suffix to specify sizes; e.g.; PSD_DNSD_80.5umsize (see _###umsize in table of field name modifiers). Dataset should include the /PSD_bin_size_method and /PSD_bin_size_boundaries metadata headers.
PSD_DVSD	uL/m^3/um	Differential volume size distribution. Must be used in conjunction with a suffix to specify sizes; e.g.; PSD_DVSD_80.5umsize (see _###umsize in table of field name modifiers). Dataset should include the /PSD_bin_size_method and /PSD_bin_size_boundaries metadata headers.
PSP	mg/m^3	Photosynthetic pigments (PSC + Tchl)
PSP_Tpg	none	Ratio of PSP to Tpg
PTP	mmol/m^3	Concentration of total particulate phosphorus
pulse_width	seconds	Time duration that the primary trigger channel exceeded the width measurement threshold during an event (flow cytometry). Scientific notation is accepted.
pvel	m/s	Profiler velocity
Pyrophide_a	mg/m^3	HPLC Pyropheophorbide a
Pyrophytin_a	mg/m^3	HPLC Pyropheophytin a
Pyrophytin_b	mg/m^3	HPLC Pyropheophytin b
Pyrophytin_c	mg/m^3	HPLC Pyropheophytin c
Q	sr	Eu / Lu (equal to pi in diffuse water)
quality	none	Analyst-specific data quality flag. A definition of the quality flags should be provided as metadata header comments and within accompanying documentation files.
R	unitless	Irradiance reflectance (Eu / Ed)
R2R_Event	none	Rolling Deck to Repository (R2R) Unique sample event number
rate_13C_uptake_bottle	mol/L/d;mol_L^-1_d^-1	Primary productivity determined using 13C. This field should inclute the experiment time (incubation time) “_###hr”.
rate_15N_uptake_bottle	mol/L/d;mol_L^-1_d^-1	Rates of nitrogen uptake. This field should inclute the experiment time (incubation time) “_###hr”.
rate_diff_02_dark_incub	mmol/m^3/d	O2 drawdown rate
rate_diff_C_dark_incub	mmol/m^3/d	C drawdown rate
rate_diff_O2_corrcoef	none	O2 drawdown rate correlation coefficient
rate_nitrification	nmol/L/d	Nitrification rate
rate_production_DOC_inc	mg/mg_body_C/d	Mass specific (calculated as mg dry mass carbon per individual) excreted dissolved organic carbon per day
rate_respiration_C_ind	mg/mg_body_C/d	Oxygen consumption rate per organism calculated as the change in carbon concentration (in mg body C assuming 40% zooplankton dry weight was carbon)
rate_respiration_carbon_zoop	mg/m^2/d	Zooplankton raspiration rates in mg of Carbon/m^2/d
rate_respiration_O2_ind	umol/ind/h	Oxygen consumption rate per organism calculated as the change in oxygen concentration (umol O2 per individual per hour)
ratio	unitless	Used for specific ratios. Please contact SeaBASS before using it.
Rb	unitless	Benthic irradiance reflectance (Lambertian equivalence reflectance)
RelAbundance	%	Percent cell abundance of a specific phytoplankton taxonomic type relative to all observed cells.
RelAz	degrees	Sensor azimuth angle relative to the solar plane
Rf	uW/cm^2/nm/sr	Raman fluorescence (may be used in combination with suffixes _ex### and/or _em###; like so: Rf_ex###_em###; ex = excitation wavelength; em = emission wavelength)
rho	unitless	Surface reflectance
Rl	1/sr	Radiance reflectance (Lu/Ed)
RNA	mg/m^3	RNA (Ribonucleid Acid) concentration within a water volume
roll	degrees	Instrument roll
roll_Ed	degrees	Downwelling irradiance Instrument roll
roll_Es	degrees	Downwelling surface irradiance instrument roll
roll_Lu	degrees	Upwelling radiance instrument roll
rot	unitless	Rayleigh Optical Depth or Rayleigh Optical Thickness
Rpi	unitless	Radiance reflectance with pi (pi*Lu/Ed)
rrna_gene	none	Small subunit ribosomes targeted for sequencing (e.g.; 16S or 18S)
Rrs	1/sr	Remote sensing reflectance (Lw/Ed)
Rrs_unc	1/sr	Accumulated estimate of standard uncertainty associated with the derivation of remote sensing reflectance (Rrs) via propagation of radiance and irradiance errors through the remote sensing reflectance computations.
S_ad	none	Slope of non-algal detritus absorption spectra
S_ag	none	Slope of gelbstoff absorption spectra. Please include the wavelength range used for the calculation following this format as an example: s_ag_300nmmin_600_nmmax. If only one data value per dataset; please use the following header and format: /s_ag=s_ag_#nmmin_#nmamax:value; where # is wavelength and value is your data value.
sal	PSU	Salinity
sample	none	Sample number
SAZ	degrees	Solar azimuth angle
scientificName_automated	none	A scientific name from a recognized taxonomic reference database (e.g.; WoRMS; AlgaeBase) at the lowest level that matches the data provider’s category for an automated classification paired to a scientificNameID. Generally; the ROI corresponds to an occurrence assigned to a single taxonomic name; e.g.; Karenia brevis
scientificName_manual	none	A scientific name from a recognized taxonomic reference database (e.g.; World Register of Marine Species; AlgaeBase) at the lowest level that matches the data provider’s category; for a manual identification matched to scientificNameID. Generally; the ROI corresponds to an occurrence assigned to a single taxonomic name.
scientificNameID_automated	none	A life science identifier (LSID) from a recognized taxonomic reference database (e.g.; WoRMS; AlgaeBase) at the lowest level that matches the data provider’s category for an automated classification. e.g.; urn:lsid:marinespecies.org:taxname:233015 where ‘urn:lsid’ indicates the ID that is specific to life science data and is used for all files; marinespecies.org is the url for the reference database WoRMS; and the namespace ‘taxname’ informs the user that the following number represents a unique numerical identifier or taxon identifier in WoRMS. 233015 represents the taxon identifier (AphiaID) in WoRMS for the dinoflagellate species Karenia brevis.
scientificNameID_manual	none	A scientific name from a recognized taxonomic reference database (e.g.; World Register of Marine Species; AlgaeBase) at the lowest level that matches the data provider’s category; for a manual identification matched to scientificNameID. Generally; the ROI corresponds to an occurrence assigned to a single taxonomic name.
sdy	ddd	Sequential day of year
second	ss	Sample second
SenZ	degrees	Sensor zenith angle
sig	mV	Stregth of the raw signal of the sunphotometer
sigma_PSII	angstrom^2	Effective absorption cross-section of photosystem II in darkness
sigma_theta	kg/m^3	Potential density - 1000 kg/m3
sigmaT	kg/m^3	Density - 1000 kg/m3
SiO4	mmol/m^3	Silicic Acid / “Dissolved Silica”
Siphn	mg/m^3	HPLC Siphonein
Siphx	mg/m^3	HPLC Siphonaxanthin
SN	none	Instrument serial number
speed_f_w	m/s	Speed in the forward direction; relative to water
SPM	mg/L	Total suspended particulate matter
SSC-A	arbunits	Area of the signal of light side scattered from the laser interrogating particles (flow cytometry).
SSC-H	arbunits	Height of the signal of light side scattered from the laser interrogating particles (flow cytometry).
SST	degreesC	Sea surface temperature
station	none	Sample station
station_alt_id	none	Alternate sample station identifier (use ONLY if station has already been used as a field name)
stimf	volts	Stimulated fluorescence; nominally of chlorophyll a. The suffixes _ex### and _em### may be used to specify wavelengths like so: stimf_ex###_em###; ex = excitation wavelength; em = emission wavelength). Related field: Chl_stimf
stimf_counts	counts	Stimulated fluorescence (see “stimf”) expressed in units of counts instead of volts
substrate_class	none	Substrate class; Substrate Component level 2 (CMECS Units; entry value should be text that does NOT contain the file’s delimiter)
substrate_group	none	Substrate group; Substrate Component level 4 (CMECS Units; entry value should be text that does NOT contain the file’s delimiter)
substrate_origin	none	Substrate origin; Substrate Component level 1 (CMECS Units; entry value should be text that does NOT contain the file’s delimiter)
substrate_subclass	none	Substrate subclass; Substrate Component level 3 (CMECS Units; entry value should be text that does NOT contain the file’s delimiter)
substrate_subgroup	none	Substrate subgroup; Substrate Component level 5 (CMECS Units; entry value should be text that does NOT contain the file’s delimiter)
Sv	dB	Time dependent range and volume backscattering (dB relative to m^-1). Acoustics Data. [Speak with SeaBASS staff before submitting this type of data]
synechococcus	(see Field Name Suffixes table)	Phytoplankton taxonomic label for synechococcus. Use in combination with the supported Field Name Suffixes listed in the above table; relating to taxonomic types.
SZ	m	Secchi disk depth
SZA	degrees	Solar zenith angle
Tacc	mg/m^3	Total accessory pigments (PPC + PSC + Tot_Chl_b + Tot_Chl_c)
Tacc_Tchla	none	Ratio of Tacc to Tot_Chl_a
TauAv	ns	Fluorescence kinetics decay time (i.e.; fluorescence lifetime of the excited photosynthetic unit)
Tcar	mg/m^3	Total carotenoids (PPC + PSC)
Tchl	mg/m^3	Tot_Chl_a + Tot_Chl_b + Tot_Chl_c
TChl_Tcar	none	Ratio of Tchl to Tcar
Tchla_Tpg	none	Ratio of Tot_chl_a to Tpg
TDN	mmol/m^3	Total dissolved nitrogen (per volume)
TDN_kg	umol/kg	Total dissolved nitrogen (per mass)
Tdrift	degreesC	Temperature in the drift tube of the PTR-TOF/MS.
TEP_bottle	ug_Gxan_equiv/L	Transparent Exopolymer Particles (TEP) in the water (collected via Niskin bottles)
TEP_MSC	ug_Gxan_equiv/L	Transparent Exopolymer Particles (TEP) in the water (collected via Marine Snow Catcher)
tilt	degrees	Instrument tilt
tilt_Ed	degrees	Downwelling irradiance instrument tilt
tilt_Es	degrees	Downwelling surface irradiance instrument tilt
tilt_Lu	degrees	Upwelling radiance instrument tilt
time	hh:mm:ss	Sample time [GMT]
time_end	hh:mm:ss	Time measurements stopped (only needed for extended measurements; e.g.; multi-day integration measurements for sediment traps; also see “date_end”) [GMT]
time_processed	hh:mm:ss	Time the sample was processed [GMT]
time_recovery	hh:mm:ss	Time instrumentation was recovered from the field (only needed for extended measurements; e.g.; multi-day integration measurements for sediment traps) [GMT]
time_resurface	hh:mm:ss	Time instrumentation resurfaced from a submerged deployment (e.g.; used for non-buoyant sediment traps) [GMT]
time_start	hh:mm:ss	Time sampling began (only needed for extended measurements; e.g.; multi-day integration measurements for sediment traps) [GMT]
TOC	umol/kg	Total Organic Carbon (per mass)
TOC_L	umol/L	Total Organic Carbon (per volume)
Tot_Chl_a	mg/m^3	HPLC DV_Chl_a + MV_Chl_a + Chlide_a + Chl_a_allom + Chl_a_prime
Tot_Chl_b	mg/m^3	HPLC DV_Chl_b + MV_Chl_b
Tot_Chl_c	mg/m^3	HPLC chl_c1 + chl_c2 (i.e.; chl_c1c2) + chl_c3
total_alkalinity	umol/kg	Total alkalinity
Total_C	mg/m^3	Total carbon
total_NO2	Dobson	Atmospheric total nitrate (NO2)
Total_precipitable_water	cm	Total precipitable water
Tpg	mg/m^3	Total pigment concentration
trans	%	Percent transmission
turbidity	NTU	Turbidity
u	d^-1	Growth rate (i.e.; µ or mu)
u_ph	d^-1	Growth rate of phytoplankton
u_zoo	d^-1	Growth rate of zooplankton
Urea	mmol/m^3	Urea
Vauch	mg/m^3	HPLC Vaucheriaxanthin-ester
VelEast	m/s	ADP Velocity East
VelNorth	m/s	ADP Velocity North
VelUp	m/s	ADP Velocity Up
Viola	mg/m^3	HPLC Violaxanthin
VOCair	ppbv	Concenctration of Volatile Organic Carbon (VOC) compounds in air measured via a proton-transfer-reaction time-of-flight mass spectrometer (PTR-TOF/MS)
volfilt	L	Volume filtered
volume	L	Volume used in experiment
VSF	1/m/sr	Total volume scattering function (VSF### or VSF###_YYYang; where YYY is collection angle). Also called beta.
VSFg	1/m/sr	Gelbstoff volume scattering function; i.e.; VSFg = VSFw - VSF(pure water; salinity; and temperature) (VSFg### or VSFp###_YYYang; where YYY is collection angle). Also called beta.
VSFp	1/m/sr	Particulate volume scattering function i.e.; VSFp = VSF - VSFw (VSFp### or VSFp###_YYYang; where YYY is collection angle). Also called beta.
VSFw	1/m/sr	Filtered seawater volume scattering function plus VSF sal & temp contributions; i.e.; VSFw = VSF - VSFp (VSFw### or VSFw###_YYYang; where YYY is collection angle). Also called beta.
water_column_biogeochemical_feature	none	Water Column Biogeochemical Feature Subcomponent (CMECS Units; entry value should be text that does NOT contain the file’s delimiter)
water_column_hydroform	none	Water Column Hydroform Subcomponent level 2 (CMECS Units; entry value should be text that does NOT contain the file’s delimiter)
water_column_hydroform_class	none	Water Column Hydroform Subcomponent level 1 (CMECS Units; entry value should be text that does NOT contain the file’s delimiter)
water_column_hydroform_type	none	Water Column Hydroform Subcomponent level 3 (CMECS Units; entry value should be text that does NOT contain the file’s delimiter)
water_column_layer	none	Water Column Layer Subcomponent (CMECS Units; entry value should be text that does NOT contain the file’s delimiter)
water_column_salinity	none	Water Column Salinity Subcomponent (CMECS Units; entry value should be text that does NOT contain the file’s delimiter)
water_column_temperature	none	Water Column Temperature Subcomponent (CMECS Units; entry value should be text that does NOT contain the file’s delimiter)
water_depth	m	The water (bottom) depth where the data were collected
waveht	m	Wave height
wavelength	nm	Wavelength of measurement
wdir	degrees	Wind direction; described in degrees from north; increasing clockwise
weight_dry	mg	Sample dry weight
weight_protein_community	mg/m^3	Weight of the protein in the mesozooplankton sample
weight_protein_sample	mg/sample	Weight of the protein in the whole mesozooplankton community
weight_wet	mg	Sample wet weight
width_representation	um	Representation of width of the target detected within the ROI or smallest mesh size through which the target could pass; determined by means specified in the image processing method or protocol document.
wind	m/s	Wind speed
Wt	degreesC	Water temperature
wvot	unitless	Water vapor optical thickness or water vapor optical density
Wvp	cm	Water vapor
year	yyyy	Sample year
Z_90	m	Depth of the first optical layer (37% light level)
Z_DCM	m	Depth of the deep chlorophyll maximum
Z_Eu	m	Depth of the euphotic layer
Z_MLD	m	Depth of the mixed layer
Z_XML	m	Depth of the active mixing layer
Zea	mg/m^3	HPLC Zeaxanthin
zoop_biomass_dry	mg/m^3	Zooplankton biomass dry weight
zoop_biomass_wet	mg/m^3	Zooplankton biomass wet weight