# 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 11:06:12 # original profile science log name: f8146.141.20220207T070126.science.mat # profile date(gmt): 07-Feb-2022 03:55:41 # profile lat: 19.4655 # profile lon: -134.8157 # profile number: 141 # 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 3.99000 23.37260 34.38740 23.36472 0.21780 0.00083 214.89216 100.84078 0.04104 -999.00000 -999.00000 -999.00000 -999.00000 9.04000 23.37460 34.38710 23.36422 0.23777 0.00078 214.78466 100.79577 0.04156 -999.00000 -999.00000 -999.00000 -999.00000 13.58000 23.37790 34.38830 23.36444 0.22649 0.00076 214.75999 100.78859 0.04100 -999.00000 -999.00000 -999.00000 -999.00000 18.26000 23.37760 34.38800 23.36458 0.19555 0.00079 214.75992 100.78948 0.04190 -999.00000 -999.00000 -999.00000 -999.00000 23.59000 23.38190 34.38660 23.36260 0.24200 0.00071 214.65703 100.74375 0.04213 -999.00000 -999.00000 -999.00000 -999.00000 28.40000 23.38090 34.38900 23.36501 0.21053 0.00065 214.59451 100.71790 0.04412 -999.00000 -999.00000 -999.00000 -999.00000 32.83000 23.38200 34.38870 23.36473 0.17840 0.00063 214.63219 100.73619 0.04338 -999.00000 -999.00000 -999.00000 -999.00000 37.99000 23.38150 34.38990 23.36609 0.20255 0.00071 214.64291 100.74207 0.04113 -999.00000 -999.00000 -999.00000 -999.00000 43.18000 23.38100 34.39160 23.36784 0.20929 0.00080 214.57077 100.70975 0.04135 -999.00000 -999.00000 -999.00000 -999.00000 48.64000 23.38420 34.38930 23.36549 0.19360 0.00086 214.59470 100.72005 0.04062 -999.00000 -999.00000 -999.00000 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