VertZone |
Vertical Zone designation where vertical layers 0 to 10 are defined by dynamical and biogeochemical criteria (see Table 1 under Supplemental Files)
|
unitless |
depth_comment |
Val |
Amino acid valine concentration
|
nanomole per liter (nmol/L) |
amino_conc |
V4_18s_ID |
Sequence ID for 18S V4 region
|
unitless |
sample |
V1V2_ID |
Sequence ID for 16S amplicon V1V2 region
|
unitless |
sample |
Tyr |
Amino acid tyrosine concentration
|
nanomole per liter (nmol/L) |
amino_conc |
Thr |
Amino acid threonine concentration
|
nanomole per liter (nmol/L) |
amino_conc |
Temp |
Standard CTD temperature profiling
|
degrees Celsius |
temp |
TDN_QF |
Total dissolved nitrogen quality flag
|
unitless |
q_flag |
TDN |
Total dissolved nitrogen concentration
|
micromole per kilogram (umol/kg) |
TDN |
TDAA_QF |
Total dissolved amino acid quality flag
|
unitless |
q_flag |
TDAA |
Total dissolved amino acid
|
nanomole per liter (nmol/L) |
amino_conc |
Tau |
Amino acid derivative taurine concentration
|
nanomole per liter (nmol/L) |
amino_conc |
Sunset |
Time of sunset in UTC derived from CTD data and computed from geographic position and date
|
unitless |
time |
Sunrise |
Time of sunrise in UTC derived from CTD data and computed from geographic position and date
|
unitless |
time |
SiO2_QF |
Silicate quality flag
|
unitless |
q_flag |
SiO2 |
Silicate concentration
|
micromole per kilogram (umol/kg) |
SiO2 |
sig_theta |
Sigma-theta
|
kilograms per cubed meter (kg/m^3) |
sigma_0 |
Ser |
Amino acid serine concentration
|
nanomole per liter (nmol/L) |
amino_conc |
Season |
Season designation where 1=Mixed, 2=Spring Transition, 3=Stratified, 4=Fall Transition
|
unitless |
season |
Program |
Program name
|
unitless |
project |
Pressure |
Pressure
|
decibars (dbar) |
press |
Pot_Temp |
Potential temperature
|
degrees Celsius |
potemp |
PON_QF |
Particulate organic nitrogen quality flag
|
unitless |
q_flag |
PON |
Particulate organic nitrogen
|
micrograms per kilogram (ug/kg) |
PON |
POC_QF |
Particulate organic carbon quality flag
|
unitless |
q_flag |
POC |
Particulate organic carbon
|
micrograms per kilogram (ug/kg) |
POC |
PO4_QF |
Ortho-phosphate quality flag
|
unitless |
q_flag |
PO4 |
Ortho-phosphate concentration
|
micromole per kilogram (umol/kg) |
PO43- |
Phe |
Amino acid phenylalanine concentration
|
nanomole per liter (nmol/L) |
amino_conc |
PAR |
CTD Photosynthetically active radiation
|
microEinsteins per second per square meter (uE/m^2/sec) |
PAR |
O2 |
CTD Oxygen
|
micromole per kilogram (umol/kg) |
O2 |
Nominal_Depth |
Target depth
|
meters (m) |
depth |
NO3_QF |
Nitrate quality flag
|
unitless |
q_flag |
NO3_plus_NO2_QF |
Nitrate plus nitrite quality flag
|
unitless |
q_flag |
NO3_plus_NO2 |
Nitrate plus nitrite concentration
|
micromole per kilogram (umol/kg) |
NO3_NO2 |
NO3 |
Nitrate concentration
|
micromole per kilogram (umol/kg) |
NO3 |
NO2_QF |
Nitrite quality flag
|
unitless |
q_flag |
NO2 |
Nitrite concentration
|
micromole per kilogram (umol/kg) |
NO2 |
Niskin_temp |
modeled Niskin temperature when it gets back on deck
|
degrees Celsius |
temp |
Niskin |
Niskin bottle number according to CTD log sheets
|
unitless |
bot_Nis |
NH4_QF |
Ammonium quality flag
|
unitless |
q_flag |
NH4 |
Ammonium concentration
|
micromole per kilogram (umol/kg) |
NH4 |
MLD_densT2 |
MLD from Thermal Expansion Coeff, and dT=0.2 deg C (see Acqusition description)
|
meters (m) |
depth_mixed_layer |
MLD_dens125 |
Mixed layer depth defined by surface density plus 0.125 kilograms per cubed meter (see Acquisition description)
|
meters (m) |
depth_mixed_layer |
MLD_bvfrq |
Depth of "active mixing" defined by buoyancy frequency after Mojica & Gaube (see Acquisition description)
|
meters (m) |
depth_mixed_layer |
Met |
Amino acid methionine concentration
|
nanomole per liter (nmol/L) |
amino_conc |
Lys |
Amino acid lysine concentration
|
nanomole per liter (nmol/L) |
amino_conc |
Longitude |
Longitude at start of cast (West is negative)
|
decimal degrees |
lon |
Leu |
Amino acid leucine concentration
|
nanomole per liter (nmol/L) |
amino_conc |
Latitude |
Latitude at start of cast
|
decimal degrees |
lat |
ISO_DateTime_UTC |
Date and UTC Time in ISO8601 format
|
unitless |
ISO_DateTime_UTC |
Ile |
Amino acid isoleucine concentration
|
nanomole per liter (nmol/L) |
amino_conc |
His |
Amino acid histidine concentration
|
nanomole per liter (nmol/L) |
amino_conc |
Gly |
Amino acid glycine concentration
|
nanomole per liter (nmol/L) |
amino_conc |
Glu |
Amino acid glutamic acid concentration
|
nanomole per liter (nmol/L) |
amino_conc |
GABA |
Amino acid gamma-aminobutyric acid concentration
|
nanomole per liter (nmol/L) |
amino_conc |
Fluo |
CTD Fluorescence
|
microgram per liter (ug/L) |
fluor |
DOC_QF |
Dissolved organic carbon quality flag
|
unitless |
q_flag |
DOC |
Dissolved organic carbon concentration
|
micromole per kilogram (umol/kg) |
DOC |
Depth |
CTD bottle collection depth
|
meters (m) |
depth |
decy |
Date in decimal year
|
decimal years |
year_decimal |
DCM |
Depth of chlorophyll maximum (from CTD fluorometer)
|
meters (m) |
depth |
CTD_SBE35T |
Temperature from SeaBird 35 CTD which has 8 second average taken at time of the bottle fire. This sensor has an accuracy of 0.0001C as compared to the standard profiling units which have an accuracy of 0.002C.
|
degrees Celsius |
temp2 |
CTD_S |
Salinity measured by CTD
|
practical salinity units (PSU) |
sal_ctd |
Cruise_ID |
Vessel and cruise number
|
unitless |
cruise_id |
Conductivity |
Conductivity
|
Siemens per meter (S/m) |
cond |
Cast |
Cast number according to CTD log sheets
|
unitless |
cast |
BP_Leu_QF |
Bacterial production quality flag
|
unitless |
q_flag |
BP_Leu |
Heterotrophic bacterial production based on 3H leucine incorporation
|
picomole per liter per hour (pmol/L/hr) |
bact_prod |
Beta_Ala |
Amino acid beta-alanine concentration
|
nanomole per liter (nmol/L) |
amino_conc |
Bact_QF |
Bacterioplankton abundance quality flag
|
unitless |
q_flag |
Bact |
Bacterioplankton abundance from microscopy with DAPI stain
|
cells times 100 million per kilogram (cells*10^8/kg) |
bact_abund |
BAC |
Beam attenuation coefficient
|
per meter |
beam_cp |
Asp |
Amino acid aspartic acid concentration
|
nanomole per liter (nmol/L) |
amino_conc |
Arg |
Amino acid arginine concentration
|
nanomole per liter (nmol/L) |
amino_conc |
Ala |
Amino acid alanine concentration
|
nanomole per liter (nmol/L) |
amino_conc |