# 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 11:07:46 # original profile science log name: f8146.591.20220604T073858.science.mat # profile date(gmt): 04-Jun-2022 04:47:22 # profile lat: 21.748 # profile lon: -136.8401 # profile number: 591 # 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 3.73000 22.49230 34.31660 23.56386 0.16170 0.00066 216.07387 99.81848 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.76000 22.49580 34.31650 23.56307 0.14520 0.00078 215.72999 99.66272 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.37000 22.49500 34.31690 23.56380 0.14520 0.00068 215.64844 99.62281 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.42000 22.49350 34.31760 23.56510 0.15962 0.00066 215.78398 99.67235 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.79000 22.48500 34.31730 23.56759 0.22301 0.00068 216.79691 100.03392 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.74000 22.39200 34.32460 23.59968 0.23024 0.00071 218.53705 100.40541 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.94000 22.09895 34.38500 23.72798 0.26010 0.00073 219.80551 100.66377 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.14000 21.80590 34.44540 23.85627 0.28995 0.00075 221.07365 100.92042 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.03000 21.74070 34.47370 23.89614 0.33020 0.00079 221.25212 100.89849 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.53000 21.64220 34.55810 23.98780 0.31460 0.00071 221.40957 100.86553 -999.00000 -999.00000 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