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"maker": "SATLANTIC", "model": "SUNA_V2", "serial_no": "1848" } ], "detailed_parameters": [ { "name": "MTIME", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/MTIME/", "sensor": "FLOATCLOCK_MTIME", "units": "days", "accuracy": "", "resolution": "", "predeployment_calib_equation": "none", "predeployment_calib_coefficient": "none", "predeployment_calib_comment": "" }, { "name": "PRES", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/PRES/", "sensor": "CTD_PRES", "units": "decibar", "accuracy": "2.4", "resolution": "0.1", "predeployment_calib_equation": "none", "predeployment_calib_coefficient": "none", "predeployment_calib_comment": "" }, { "name": "TEMP", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/TEMP/", "sensor": "CTD_TEMP", "units": "degree_Celsius", "accuracy": "0.002", "resolution": "0.001", "predeployment_calib_equation": "none", "predeployment_calib_coefficient": "none", "predeployment_calib_comment": "" }, { "name": "PSAL", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/PSAL/", "sensor": "CTD_CNDC", "units": "psu", "accuracy": "0.005", "resolution": "0.001", "predeployment_calib_equation": "none", "predeployment_calib_coefficient": "none", "predeployment_calib_comment": "" }, { "name": "C1PHASE_DOXY", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/C1PHASE_DOXY/", "sensor": "OPTODE_DOXY", "units": "degree", "accuracy": "", "resolution": "", "predeployment_calib_equation": "none", "predeployment_calib_coefficient": "none", "predeployment_calib_comment": "" }, { "name": "C2PHASE_DOXY", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/C2PHASE_DOXY/", "sensor": "OPTODE_DOXY", "units": "degree", "accuracy": "", "resolution": "", "predeployment_calib_equation": "none", "predeployment_calib_coefficient": "none", "predeployment_calib_comment": "" }, { "name": "TEMP_DOXY", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/TEMP_DOXY/", "sensor": "OPTODE_DOXY", "units": "degC", "accuracy": "0.03 degC", "resolution": "0.01 degC", "predeployment_calib_equation": "TEMP_DOXY=T0+T1*TEMP_VOLTAGE_DOXY+T2*TEMP_VOLTAGE_DOXY^2+T3*TEMP_VOLTAGE_DOXY^3+T4*TEMP_VOLTAGE_DOXY^4+T5*TEMP_VOLTAGE_DOXY^5; with TEMP_VOLTAGE_DOXY=voltage from thermistor bridge (mV)", "predeployment_calib_coefficient": "T0=not available; T1=not available; T2=not available; T3=not available; T4=not available; T5=not available", "predeployment_calib_comment": "" }, { "name": "DOXY", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/DOXY/", "sensor": "OPTODE_DOXY", "units": "umol/kg", "accuracy": "8 umol/kg or 10%", "resolution": "1 umol/kg", "predeployment_calib_equation": "TPHASE_DOXY=C1PHASE_DOXY-C2PHASE_DOXY; Phase_Pcorr=TPHASE_DOXY+Pcoef1*PRES/1000; CalPhase=PhaseCoef0+PhaseCoef1*Phase_Pcorr+PhaseCoef2*Phase_Pcorr^2+PhaseCoef3*Phase_Pcorr^3; MOLAR_DOXY=[((c3+c4*TEMP_DOXY)/(c5+c6*CalPhase))-1]/Ksv; Ksv=c0+c1*TEMP_DOXY+c2*TEMP_DOXY^2; O2=MOLAR_DOXY*Scorr*Pcorr; Scorr=A*exp[PSAL*(B0+B1*Ts+B2*Ts^2+B3*Ts^3)+C0*PSAL^2]; A=[(1013.25-pH2O(TEMP,Spreset))/(1013.25-pH2O(TEMP,PSAL))]; pH2O(TEMP,S)=1013.25*exp[D0+D1*(100/(TEMP+273.15))+D2*ln((TEMP+273.15)/100)+D3*S]; Pcorr=1+((Pcoef2*TEMP+Pcoef3)*PRES)/1000; Ts=ln[(298.15-TEMP)/(273.15+TEMP)]; DOXY=O2/rho, where rho is the potential density [kg/L] calculated from CTD data", "predeployment_calib_coefficient": "Spreset=0; Pcoef1=0.1, Pcoef2=0.00022, Pcoef3=0.0419; B0=-0.00624523, B1=-0.00737614, B2=-0.010341, B3=-0.00817083; C0=-4.88682e-07; PhaseCoef0=-2.137, PhaseCoef1=1, PhaseCoef2=0, PhaseCoef3=0; c0=0.00262464, c1=0.000109909, c2=2.32587e-06, c3=192.495, c4=-0.248877, c5=-41.1206, c6=3.95797; D0=24.4543, D1=-67.4509, D2=-4.8489, D3=-0.000544", "predeployment_calib_comment": "" }, { "name": "PPOX_DOXY", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/PPOX_DOXY/", "sensor": "OPTODE_DOXY", "units": "mbar", "accuracy": "", "resolution": "", "predeployment_calib_equation": "TPHASE_DOXY=C1PHASE_DOXY-C2PHASE_DOXY; Phase_Pcorr=TPHASE_DOXY+Pcoef1*PRES/1000; CalPhase=PhaseCoef0+PhaseCoef1*Phase_Pcorr+PhaseCoef2*Phase_Pcorr^2+PhaseCoef3*Phase_Pcorr^3; Ksv=c0+c1*TEMP_DOXY+c2*TEMP_DOXY^2; MOLAR_DOXY=[((c3+c4*TEMP_DOXY)/(c5+c6*CalPhase))-1]/Ksv; Pcorr=1+((Pcoef2*TEMP+Pcoef3)*PRES)/1000; MOLAR_DOXY=MOLAR_DOXY*Pcorr; pH2Osat=1013.25*exp[D0+D1*(100/(TEMP+273.15))+D2*ln((TEMP+273.15)/100)]; Tcorr=44.6596*exp[2.00907+3.22014*Ts+4.05010*Ts^2+4.94457*Ts^3-2.56847e-1*Ts^4+3.88767*Ts^5]; Ts=ln[(298.15-TEMP)/(273.15+TEMP)]; PPOX_DOXY=MOLAR_DOXY*(0.20946*(1013.25-pH2Osat))/Tcorr*exp[0.317*PRES/(8.314*(TEMP+273.15))]", "predeployment_calib_coefficient": "Pcoef1=0.1, Pcoef2=0.00022, Pcoef3=0.0419; PhaseCoef0=-2.137, PhaseCoef1=1, PhaseCoef2=0, PhaseCoef3=0; c0=0.00262464, c1=0.000109909, c2=2.32587e-06, c3=192.495, c4=-0.248877, c5=-41.1206, c6=3.95797; D0=24.4543, D1=-67.4509, D2=-4.8489", "predeployment_calib_comment": "Phase measurement with blue excitation light; see TD269 Operating manual oxygen optode 4330, 4835, 4831" }, { "name": "RAW_DOWNWELLING_IRRADIANCE380", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/RAW_DOWNWELLING_IRRADIANCE380/", "sensor": "RADIOMETER_DOWN_IRR380", "units": "count", "accuracy": "", "resolution": "", "predeployment_calib_equation": "none", "predeployment_calib_coefficient": "none", "predeployment_calib_comment": "Phase measurement with red excitation light; see TD269 Operating manual oxygen optode 4330, 4835, 4831" }, { "name": "RAW_DOWNWELLING_IRRADIANCE412", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/RAW_DOWNWELLING_IRRADIANCE412/", "sensor": "RADIOMETER_DOWN_IRR412", "units": "count", "accuracy": "", "resolution": "", "predeployment_calib_equation": "none", "predeployment_calib_coefficient": "none", "predeployment_calib_comment": "optode temperature, see TD269 Operating manual oxygen optode 4330, 4835, 4831" }, { "name": "RAW_DOWNWELLING_IRRADIANCE490", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/RAW_DOWNWELLING_IRRADIANCE490/", "sensor": "RADIOMETER_DOWN_IRR490", "units": "count", "accuracy": "", "resolution": "", "predeployment_calib_equation": "none", "predeployment_calib_coefficient": "none", "predeployment_calib_comment": "see TD269 Operating manual oxygen optode 4330, 4835, 4831; see Processing Argo OXYGEN data at the DAC level, Version 2.2 (DOI: http://dx.doi.org/10.13155/39795)" }, { "name": "RAW_DOWNWELLING_PAR", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/RAW_DOWNWELLING_PAR/", "sensor": "RADIOMETER_PAR", "units": "count", "accuracy": "", "resolution": "", "predeployment_calib_equation": "none", "predeployment_calib_coefficient": "none", "predeployment_calib_comment": "see TD269 Operating manual oxygen optode 4330, 4835, 4831; see Processing Argo OXYGEN data at the DAC level, Version 2.2 (DOI: http://dx.doi.org/10.13155/39795)" }, { "name": "DOWN_IRRADIANCE380", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/DOWN_IRRADIANCE380/", "sensor": "RADIOMETER_DOWN_IRR380", "units": "W/m^2/nm", "accuracy": "", "resolution": "", "predeployment_calib_equation": "DOWN_IRRADIANCE380=0.01*A1_380*(RAW_DOWNWELLING_IRRADIANCE380-A0_380)*lm_380", "predeployment_calib_coefficient": "A1_380=1.67861e-07, A0_380=2.14844e+09, lm_380=1.161", "predeployment_calib_comment": "Uncalibrated downwelling irradiance measurement at 380 nm" }, { "name": "DOWN_IRRADIANCE412", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/DOWN_IRRADIANCE412/", "sensor": "RADIOMETER_DOWN_IRR412", "units": "W/m^2/nm", "accuracy": "", "resolution": "", "predeployment_calib_equation": "DOWN_IRRADIANCE412=0.01*A1_412*(RAW_DOWNWELLING_IRRADIANCE412-A0_412)*lm_412", "predeployment_calib_coefficient": "A1_412=1.9461e-07, A0_412=2.14768e+09, lm_412=1.368", "predeployment_calib_comment": "Uncalibrated downwelling irradiance measurement at 412 nm" }, { "name": "DOWN_IRRADIANCE490", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/DOWN_IRRADIANCE490/", "sensor": "RADIOMETER_DOWN_IRR490", "units": "W/m^2/nm", "accuracy": "", "resolution": "", "predeployment_calib_equation": "DOWN_IRRADIANCE490=0.01*A1_490*(RAW_DOWNWELLING_IRRADIANCE490-A0_490)*lm_490", "predeployment_calib_coefficient": "A1_490=2.07586e-07, A0_490=2.14747e+09, lm_490=1.365", "predeployment_calib_comment": "Uncalibrated downwelling irradiance measurement at 490 nm" }, { "name": "DOWNWELLING_PAR", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/DOWNWELLING_PAR/", "sensor": "RADIOMETER_PAR", "units": "microMoleQuanta/m^2/sec", "accuracy": "", "resolution": "", "predeployment_calib_equation": "DOWNWELLING_PAR=A1_PAR*(RAW_DOWNWELLING_PAR-A0_PAR)*lm_PAR", "predeployment_calib_coefficient": "A1_PAR=3.50986e-06, A0_PAR=2.14717e+09, lm_PAR=1.359", "predeployment_calib_comment": "Uncalibrated downwelling PAR measurement" }, { "name": "FLUORESCENCE_CHLA", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/FLUORESCENCE_CHLA/", "sensor": "FLUOROMETER_CHLA", "units": "count", "accuracy": "", "resolution": "", "predeployment_calib_equation": "none", "predeployment_calib_coefficient": "none", "predeployment_calib_comment": "" }, { "name": "BETA_BACKSCATTERING700", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/BETA_BACKSCATTERING700/", "sensor": "BACKSCATTERINGMETER_BBP700", "units": "count", "accuracy": "", "resolution": "", "predeployment_calib_equation": "none", "predeployment_calib_coefficient": "none", "predeployment_calib_comment": "" }, { "name": "FLUORESCENCE_CDOM", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/FLUORESCENCE_CDOM/", "sensor": "FLUOROMETER_CDOM", "units": "count", "accuracy": "", "resolution": "", "predeployment_calib_equation": "none", "predeployment_calib_coefficient": "none", "predeployment_calib_comment": "" }, { "name": "CHLA", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/CHLA/", "sensor": "FLUOROMETER_CHLA", "units": "mg/m3", "accuracy": "0.08 mg/m3", "resolution": "0.025 mg/m3", "predeployment_calib_equation": "CHLA=(FLUORESCENCE_CHLA-DARK_CHLA)*SCALE_CHLA", "predeployment_calib_coefficient": "SCALE_CHLA=0.0073, DARK_CHLA=49", "predeployment_calib_comment": "" }, { "name": "BBP700", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/BBP700/", "sensor": "BACKSCATTERINGMETER_BBP700", "units": "m-1", "accuracy": "", "resolution": "", "predeployment_calib_equation": "BBP700=2*pi*khi*((BETA_BACKSCATTERING700-DARK_BACKSCATTERING700)*SCALE_BACKSCATTERING700-BETASW700)", "predeployment_calib_coefficient": "DARK_BACKSCATTERING700=48, SCALE_BACKSCATTERING700=1.816e-06, khi=1.076, BETASW700 (contribution of pure sea water) is calculated at 124 angularDeg", "predeployment_calib_comment": "Uncalibrated backscattering measurement" }, { "name": "CDOM", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/CDOM/", "sensor": "FLUOROMETER_CDOM", "units": "ppb", "accuracy": "", "resolution": "", "predeployment_calib_equation": "CDOM=(FLUORESCENCE_CDOM-DARK_CDOM)*SCALE_CDOM", "predeployment_calib_coefficient": "SCALE_CDOM=0.0925, DARK_CDOM=50", "predeployment_calib_comment": "Sullivan et al., 2012, Zhang et al., 2009, BETASW700 is the contribution by the pure seawater at 700nm, the calculation 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." }, { "name": "VRS_PH", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/VRS_PH/", "sensor": "TRANSISTOR_PH", "units": "volt", "accuracy": "0.000030", "resolution": "0.000001", "predeployment_calib_equation": "none", "predeployment_calib_coefficient": "none", "predeployment_calib_comment": "Standard deviation of intensity of ultra violet flux dark measurement from nitrate sensor" }, { "name": "PH_IN_SITU_FREE", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/PH_IN_SITU_FREE/", "sensor": "TRANSISTOR_PH", "units": "dimensionless", "accuracy": "0.05", "resolution": "0.0004", "predeployment_calib_equation": "k0T=k0+k2*TEMP; pcorr=f1*PRES+f2*PRES^2+f3*PRES^3+f4*PRES^4+f5*PRES^5+f6*PRES^6; k0TP=k0T+pcorr; Tk=273.15+TEMP; Cltotal=(0.99889/35.453*PSAL/1.80655)/(1-0.001005*PSAL); ADH=3.4286e-6*TEMP^2+6.7524e-4*TEMP+0.49172143; IonS=19.924*PSAL/(1000-1.005*PSAL); log10gammaHCl=[-ADH*sqrt(IonS)/(1+1.394*sqrt(IonS))]+[(0.08885-0.000111*TEMP)*IonS]; deltaVHCl=17.85+0.1044*TEMP-0.001316*TEMP^2; log10gammaHCLtP=log10gammaHCl+[deltaVHCl*(PRES/10)/(R*Tk*ln(10))/2/10]; PH_IN_SITU_FREE=[(VRS_PH-k0TP)/(R*Tk/F*ln(10))]+[ln(Cltotal)/ln(10)]+2*log10gammaHCLtP-log10(1-0.001005*PSAL)", "predeployment_calib_coefficient": "R=8.31446; F=96485; k0=-1.2666, k2=-0.00091169; f1=5.8766e-06, f2=-6.036e-09, f3=4.0485e-12, f4=-1.124e-15, f5=2.3882e-20, f6=2.9737e-23", "predeployment_calib_comment": "Internal temperature of the nitrate sensor" }, { "name": "PH_IN_SITU_TOTAL", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/PH_IN_SITU_TOTAL/", "sensor": "TRANSISTOR_PH", "units": "dimensionless", "accuracy": "0.05", "resolution": "0.0004", "predeployment_calib_equation": "Stotal=(0.14/96.062)*(PSAL/1.80655); Tk=273.15+TEMP; IonS=19.924*PSAL/(1000-1.005*PSAL); Khso4=exp(-4276.1/Tk+141.328-23.093*ln(Tk)+(-13856/Tk+324.57-47.986*ln(Tk))*IonS^0.5+(35474/Tk-771.54+114.723*ln(Tk))*IonS-2698/Tk*IonS^1.5+1776/Tk*IonS^2+ln(1-0.001005*PSAL)); deltaVHSO4=-18.03+0.0466*TEMP+0.000316*TEMP^2; KappaHSO4=(-4.53+0.09*TEMP)/1000; lnKhso4fac=(-deltaVHSO4+0.5*KappaHSO4*(PRES/10))*(PRES/10)/(R*10*Tk); Khso4TPS=Khso4*exp(lnKhso4fac); PH_IN_SITU_TOTAL=PH_IN_SITU_FREE-log10(1+Stotal/Khso4TPS)", "predeployment_calib_coefficient": "R=8.31446", "predeployment_calib_comment": "Temperature of the spectrophotometer" }, { "name": "TEMP_NITRATE", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/TEMP_NITRATE/", "sensor": "SPECTROPHOTOMETER_NITRATE", "units": "degree_Celsius", "accuracy": "", "resolution": "", "predeployment_calib_equation": "none", "predeployment_calib_coefficient": "none", "predeployment_calib_comment": "Relative humidity inside the SUNA sensor (If > 50% There is a leak)" }, { "name": "TEMP_SPECTROPHOTOMETER_NITRATE", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/TEMP_SPECTROPHOTOMETER_NITRATE/", "sensor": "SPECTROPHOTOMETER_NITRATE", "units": "degree_Celsius", "accuracy": "", "resolution": "", "predeployment_calib_equation": "none", "predeployment_calib_coefficient": "none", "predeployment_calib_comment": "Intensity of ultra violet flux dark measurement from nitrate sensor" }, { "name": "HUMIDITY_NITRATE", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/HUMIDITY_NITRATE/", "sensor": "SPECTROPHOTOMETER_NITRATE", "units": "percent", "accuracy": "", "resolution": "", "predeployment_calib_equation": "none", "predeployment_calib_coefficient": "none", "predeployment_calib_comment": "Nitrate fit error (dimensionless)" }, { "name": "UV_INTENSITY_DARK_NITRATE", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/UV_INTENSITY_DARK_NITRATE/", "sensor": "SPECTROPHOTOMETER_NITRATE", "units": "count", "accuracy": "", "resolution": "", "predeployment_calib_equation": "none", "predeployment_calib_coefficient": "none", "predeployment_calib_comment": "Intensity of ultra violet flux from nitrate sensor" }, { "name": "FIT_ERROR_NITRATE", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/FIT_ERROR_NITRATE/", "sensor": "SPECTROPHOTOMETER_NITRATE", "units": "dimensionless", "accuracy": "", "resolution": "", "predeployment_calib_equation": "none", "predeployment_calib_coefficient": "none", "predeployment_calib_comment": "Nitrate concentration in umol/kg; see Processing Bio-Argo nitrate concentration at the DAC Level, Version 1.1, March 3rd 2018" }, { "name": "UV_INTENSITY_NITRATE", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/UV_INTENSITY_NITRATE/", "sensor": "SPECTROPHOTOMETER_NITRATE", "units": "count", "accuracy": "", "resolution": "", "predeployment_calib_equation": "none", "predeployment_calib_coefficient": "none", "predeployment_calib_comment": "" }, { "name": "NITRATE", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/NITRATE/", "sensor": "SPECTROPHOTOMETER_NITRATE", "units": "umol/kg", "accuracy": "3", "resolution": "0.01", "predeployment_calib_equation": "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)]; DIFF_OPTICAL_WAVELENGTH(R)=OPTICAL_WAVELENGTH_UV(R)-OPTICAL_WAVELENGTH_OFFSET; Tcorr(R,T)=(A*DIFF_OPTICAL_WAVELENGTH(R)^4+B*DIFF_OPTICAL_WAVELENGTH(R)^3+C*DIFF_OPTICAL_WAVELENGTH(R)^2+D*DIFF_OPTICAL_WAVELENGTH(R)+E)*(T-TEMP_CAL_NITRATE); E_SWA_INSITU(R)=E_SWA_NITRATE(R)*exp(Tcorr(R,TEMP)); 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", "predeployment_calib_coefficient": "PIXEL_START=36, PIXEL_END=76, PIXEL_FIT_START=36, PIXEL_FIT_END=64; UV_INTENSITY_REF_NITRATE(Ntrans)=[41142.04166667,39771.83333333,38045.29166667,36186.83333333,34329.91666667,32647.00000000,31226.66666667,30102.70833333,29300.45833333,28845.50000000,28696.66666667,28876.62500000,29393.45833333,30180.54166667,31292.08333333,32731.91666667,34399.00000000,36328.25000000,38480.75000000,40755.91666667,43095.45833333,45301.62500000,47297.29166667,48936.58333333,50103.33333333,50660.87500000,50621.79166667,49956.50000000,48711.70833333,47037.33333333,45014.70833333,42812.75000000,40629.62500000,38448.66666667,36444.29166667,34620.04166667,33008.66666667,31611.83333333,30444.20833333,29449.33333333,28675.25000000]; A=1.273530e-07, B=-7.563950e-06, C=2.918980e-05, D=1.676600e-03, E=1.463800e-02, OPTICAL_WAVELENGTH_OFFSET=210.0; OPTICAL_WAVELENGTH_UV(Ntrans)=[217.31,218.12,218.92,219.73,220.53,221.34,222.14,222.95,223.76,224.56,225.37,226.17,226.98,227.79,228.59,229.40,230.21,231.02,231.82,232.63,233.44,234.25,235.06,235.86,236.67,237.48,238.29,239.10,239.91,240.72,241.53,242.33,243.14,243.95,244.76,245.57,246.38,247.19,248.00,248.81,249.62]; TEMP_CAL_NITRATE=20; E_SWA_NITRATE(Ntrans)=[0.00548068,0.00434428,0.00342597,0.00268800,0.00209824,0.00162952,0.00125904,0.00096782,0.00074017,0.00056316,0.00042630,0.00032104,0.00024054,0.00017930,0.00013296,0.00009810,0.00007200,0.00005258,0.00003820,0.00002761,0.00001985,0.00001420,0.00001011,0.00000715,0.00000504,0.00000353,0.00000246,0.00000171,0.00000118,0.00000081,0.00000055,0.00000038,0.00000025,0.00000017,0.00000011,0.00000008,0.00000005,0.00000003,0.00000002,0.00000001,0.00000001]; E_NITRATE(Ntrans)=[0.00465524,0.00429842,0.00394971,0.00361170,0.00328659,0.00297623,0.00268208,0.00240526,0.00214652,0.00190629,0.00168471,0.00148163,0.00129668,0.00112928,0.00097870,0.00084405,0.00072437,0.00061863,0.00052574,0.00044461,0.00037416,0.00031333,0.00026111,0.00021652,0.00017867,0.00014671,0.00011988,0.00009747,0.00007887,0.00006350,0.00005087,0.00004056,0.00003217,0.00002540,0.00001995,0.00001560,0.00001213,0.00000939,0.00000723,0.00000554,0.00000423]", "predeployment_calib_comment": "Uncalibrated chlorophyll-a fluorescence measurement" }, { "name": "PRES_MED", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/PRES_MED/", "sensor": "CTD_PRES", "units": "decibar", "accuracy": "", "resolution": "", "predeployment_calib_equation": "n/a", "predeployment_calib_coefficient": "n/a", "predeployment_calib_comment": "" }, { "name": "TEMP_STD", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/TEMP_STD/", "sensor": "CTD_TEMP", "units": "degree_Celsius", "accuracy": "", "resolution": "", "predeployment_calib_equation": "n/a", "predeployment_calib_coefficient": "n/a", "predeployment_calib_comment": "Uncalibrated fluorescence from coloured dissolved organic matter sensor" }, { "name": "TEMP_MED", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/TEMP_MED/", "sensor": "CTD_TEMP", "units": "degree_Celsius", "accuracy": "", "resolution": "", "predeployment_calib_equation": "n/a", "predeployment_calib_coefficient": "n/a", "predeployment_calib_comment": "" }, { "name": "PSAL_STD", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/PSAL_STD/", "sensor": "CTD_CNDC", "units": "psu", "accuracy": "", "resolution": "", "predeployment_calib_equation": "n/a", "predeployment_calib_coefficient": "n/a", "predeployment_calib_comment": "Voltage difference between reference and source from pH sensor (in volt)" }, { "name": "PSAL_MED", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/PSAL_MED/", "sensor": "CTD_CNDC", "units": "psu", "accuracy": "", "resolution": "", "predeployment_calib_equation": "n/a", "predeployment_calib_coefficient": "n/a", "predeployment_calib_comment": "Voltage difference between reference and source from pH sensor (in volt)." }, { "name": "UV_INTENSITY_DARK_NITRATE_STD", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/UV_INTENSITY_DARK_NITRATE_STD/", "sensor": "SPECTROPHOTOMETER_NITRATE", "units": "count", "accuracy": "", "resolution": "", "predeployment_calib_equation": "none", "predeployment_calib_coefficient": "none", "predeployment_calib_comment": "" }, { "name": "CHLA_FLUORESCENCE", "URI_parameter": "http://vocab.nerc.ac.uk/collection/R03/current/CHLA_FLUORESCENCE/", "sensor": "FLUOROMETER_CHLA", "units": "ru", "accuracy": "", "resolution": "", "predeployment_calib_equation": "CHLA_FLUORESCENCE=(FLUORESCENCE_CHLA-DARK_CHLA)*SCALE_CHLA", "predeployment_calib_coefficient": "SCALE_CHLA=0.0073, DARK_CHLA=49", "predeployment_calib_comment": "" } ], "sci:doi": "10.17882/42182", "sci:citation": "Argo (2024). Argo float data and metadata from Global Data Assembly Centre (Argo GDAC). 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