m Argo meta-data 3.1 1.2 20210527063222202105270632222902762 0935 IRIDIUM n/a n/a IRIDIUM GPS FLOAT NAVIS_A SBE BGCi_SUNA_ICE 190411 n/a 0935 n/a NAVIS_TSOCH_SUNA863 HZCHINA ARGO PROJECT WEI FAN n/a Alkaline and lithium n/a N1 n/a 1151 n/a n/a n/a ZJU n/a 20200813083000\H+@ߖ:&a@1202008130810001202008130810001TAN KAH KEE CARBON-Fe-2020 n/a CONFIG_ParkPressure_dbar CONFIG_ProfilePressure_dbar CONFIG_UpTime_hours CONFIG_DownTime_hours CONFIG_CycleTime_hours CONFIG_PistonPositionPressureActivation_COUNT CONFIG_PistonPark_COUNT CONFIG_AscentToSurfaceTimeOut_hours CONFIG_DescentToProfTimeOut_hours CONFIG_DescentToParkTimeOut_hours CONFIG_PistonProfile_COUNT CONFIG_PressureBladderMax_dbar CONFIG_OkVacuum_COUNT CONFIG_PistonFullExtension_COUNT CONFIG_TelemetryRetryInterval_minutes CONFIG_CPActivationPressure_dbar CONFIG_MissionPreludeTime_hours CONFIG_ParkAndProfileCycleCounter_COUNT CONFIG_Direction_NUMBER CONFIG_MeasureBattery_LOGICAL @@@@bX9&@N@ +R@d@x@"@@@ l@_@X@@.@h@@???CONFIG_ParkPressure_dbar CONFIG_ProfilePressure_dbar CONFIG_UpTime_hours CONFIG_DownTime_hours CONFIG_CycleTime_hours CONFIG_PistonPositionPressureActivation_COUNT CONFIG_PistonPark_COUNT CONFIG_AscentToSurfaceTimeOut_hours CONFIG_DescentToProfTimeOut_hours CONFIG_DescentToParkTimeOut_hours CONFIG_PistonProfile_COUNT CONFIG_PressureBladderMax_dbar CONFIG_OkVacuum_COUNT CONFIG_PistonFullExtension_COUNT CONFIG_TelemetryRetryInterval_minutes CONFIG_CPActivationPressure_dbar CONFIG_MissionPreludeTime_hours CONFIG_ParkAndProfileCycleCounter_COUNT CONFIG_Direction_NUMBER CONFIG_MeasureBattery_LOGICAL @@@@bX9&@N@ +R@d@x@"@@@ l@_@X@@.@h@@??? CTD_CNDC CTD_TEMP CTD_PRES OPTODE_DOXY FLUOROMETER_CHLA BACKSCATTERINGMETER_BBP700 FLUOROMETER_CDOM SPECTROPHOTOMETER_NITRATE SBE SBE DRUCK SBE WETLABS WETLABS WETLABS SATLANTIC SBE41CP SBE41CP DRUCK_2900PSIA SBE63_OPTODE MCOMS_FLBBCD MCOMS_FLBBCD MCOMS_FLBBCD SUNA_V2 10754 10754 10733403 1930 0154 0154 0154 1160 PSAL TEMP PRES DOXY CHLA BBP700 CDOM NITRATE CTD_CNDC CTD_TEMP CTD_PRES OPTODE_DOXY FLUOROMETER_CHLA BACKSCATTERINGMETER_BBP700 FLUOROMETER_CDOM SPECTROPHOTOMETER_NITRATE psu degC (ITS-90) dbar umol/kg mg/m3 m-1 ppb umol/kg 0.005 psu 0.002 degC 1.5% 3 umol/kg 0.08 mg/m3 2 umol/kg 0.001 psu 0.001 degC 0.1 dbar 0.2 umol/kg 0.025 mg/m3 0.01 umol/kg n/a n/a n/a n/a CHLA=(FLUORESCENCE_CHLA-DARK_CHLA)*SCALE_CHLA; BBP700=2*pi*khi *((BETA_BACKSCATTERING700-DARK_BACKSCATTERING700)*SCALE_BACKSCATTERING700-BETASW700); CDOM=(FLUORESCENCE_CDOM-DARK_CDOM)*SCALE_CDOM; The sensor returns UV_INTENSITY_DARK_NITRATE and UV_INTENSITY_NITRATE(Ntrans), a subset of continuous pixels of UV_INTENSITY_NITRATE(N), N = 1 to 256. The Ntrans indices span the interval [PIXEL_START, PIXEL_END] subset of the original array (1 to 256). Thus Ntrans(i) refers to pixel N = (PIXEL_START+i-1). PIXEL_START and PIXEL_END are defined from calibration data so that the [PIXEL_START, PIXEL_END] interval is the smallest interval of pixels that correspond to the [217 nm, 250 nm] interval of wavelengths. Only a subset of the [PIXEL_START, PIXEL_END] interval is processed to compute nitrate concentration. This subset is defined as the [PIXEL_FIT_START, PIXEL_FIT_END] interval which is the smallest interval of pixels that correspond to the [217 nm, 240 nm] interval of wavelengths (thus PIXEL_FIT_START = PIXEL_START). In the following equations the data are computed for each pixel R = PIXEL_FIT_START to PIXEL_FIT_END; ABSORBANCE_SW(R)=-log10[(UV_INTENSITY_NITRATE(R)-UV_INTENSITY_DARK_NITRATE)/UV_INTENSITY_REF_NITRATE(R)]; F(R,T)=(A+B*T)*exp[(C+D*T)*(OPTICAL_WAVELENGTH_UV(R)-OPTICAL_WAVELENGTH_OFFSET)]; E_SWA_INSITU(R)=E_SWA_NITRATE(R)*F(R,TEMP)/F(R,TEMP_CAL_NITRATE); ABSORBANCE_COR_NITRATE(R)=ABSORBANCE_SW(R)-(E_SWA_INSITU(R)*PSAL)*[1-(0.026*PRES/1000)]; Perform a multilinear regression to get MOLAR_NITRATE with estimated ABSORBANCE_COR_NITRATE(R) with ABSORBANCE_COR_NITRATE(R)=BASELINE_INTERCEPT+BASELINE_SLOPE*OPTICAL_WAVELENGTH_UV(R)+MOLAR_NITRATE*E_NITRATE(R); NITRATE=MOLAR_NITRATE/rho, where rho is the potential density [kg/L] calculated from CTD data. n/a n/a n/a n/a s SCALE_CHLA=0.001771;DARK_CHLA=49; SCALE_BACKSCATTERING700=3.248E-07;DARK_BACKSCATTERING700=50;khi=1.076;BETASW700 (contribution of pure sea water) is calculated at 124 deg; SCALE_CDOM=1.168E-02;DARK_CDOM=50; n/a n/a n/a n/a n/a Sullivan et al., 2013, Zhang et al., 2009, BETASW700 is the contribution by the pure seawater at 700nm, requiring temperature, salinity and using a depolarization of 0.039, its default value. the script can be found at http://doi.org/10.17882/42916. Reprocessed from the file provided by Andrew Bernard (Seabird) following ADMT18. This file is accessible at http://doi.org/10.17882/54520 n/a