# APEX float data from float 8146 (PI: Angelicque White, University of Hawaii) deployed during the Grandients 4 cruise (TN397) in Nov 2021 at ~20N/140W (float is still transmitting data) # Designed float mission: a repeated sequence of burst sampling (~6 profiles/day) of the top 200m for ~ 4-7 days, followed by daily profiles for ~10-14 days # DATA ARE PROVISIONAL AND WILL BE ALTERED AS MORE PROFILES ARE ADDED (eg. drift correction of sensors will likely be performed in the near future) # For questions about float data, please inquire Fernanda Henderikx (fhenderi@hawaii.edu) # date of file creation: 15-Aug-2022 11:05:41 # original profile science log name: f8146.001.20211126T023130.science.mat # profile date(gmt): 26-Nov-2021 02:31:31 # profile lat: 19.4859 # profile lon: -138.571 # profile number: 001 # Instruments on APEX: SBE41 (ctd), BBFL2 (chl,bbp), C-ROVER (beam attenuation), CRV2K (downwelling irradiance), Aandera 4330 (oxygen) # Applied corrections/calibrations: # chl: counts converted to mg/m3 using factory calibrationsand deep chl values # bbp: vol. scatt. converted to particle backsttering coefficient (bbp) using betasw of Zhang et al (2009) and Xi from Boss and Pegau (2001) # irradiance data: data were qa/qc following protocols of Organelli et al (2016), JTECH # oxygen optode data: salinity and pressure compensation corrections applied using ctd data according to Aandera manual, and air calibrations/Gain corrections following Bushinsky et al (2016) # flag or NaN value: -999 # pressure,temperature,salinity,sigma0,chl,bbp(650nm),[O2],O2sat,particulateBeamAttenuation(650nm),IrradianceCh1,IrradianceCh2,IrradianceCh3,IrradianceCh4 # dbar,degC,psu,kg/m3,mg/m3,1/m,uM/kg,percentsat,1/m,uW/cm2/nm,uW/cm2/nm,uW/cm2/nm,uW/cm2/nm -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 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23.84783 0.27690 0.00064 216.64535 102.18218 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 58.42000 23.50350 35.07570 23.85109 0.27388 0.00062 218.30596 102.77850 0.03708 0.72984 0.76487 0.58131 0.03471 64.25000 23.06840 35.08220 23.98291 0.38890 0.00076 224.98193 104.56382 0.04220 0.65066 0.68734 0.52878 0.02809 67.96000 22.29470 34.94680 24.10159 0.43560 0.00069 228.02135 104.70721 0.04361 0.58755 0.62700 0.48993 0.02481 72.32000 21.60430 34.88120 24.24513 0.43560 0.00073 229.85748 104.43335 0.04395 0.50133 0.54580 0.43731 0.02199 77.08000 21.07830 34.87260 24.38332 0.47574 0.00068 230.41279 103.83463 0.03978 0.40879 0.45579 0.37914 0.01900 81.71000 20.70050 34.85030 24.46892 0.55544 0.00079 229.65086 102.83317 0.03593 0.33003 0.37895 0.32824 0.01753 87.76000 20.25680 34.82240 24.56661 0.67776 0.00065 227.20261 101.09197 0.03401 0.24805 0.29353 0.27280 0.01679 92.15000 20.12610 34.82740 24.60526 0.84766 0.00058 224.70162 99.61993 0.03128 0.19667 0.23893 0.23447 0.01613 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