# 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 11:07:39 # original profile science log name: f8146.557.20220531T051608.science.mat # profile date(gmt): 31-May-2022 02:22:55 # profile lat: 21.1861 # profile lon: -136.6353 # profile number: 557 # 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 3.51000 22.51450 34.29760 23.54314 0.21015 0.00075 216.50817 100.04682 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.49000 22.51800 34.29640 23.54151 0.18541 0.00083 216.17987 99.89783 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.06000 22.51790 34.29770 23.54278 0.15347 0.00083 216.03872 99.83375 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.92000 22.51600 34.29660 23.54276 0.13723 0.00083 215.93881 99.78562 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.69000 22.51840 34.29570 23.54167 0.16940 0.00083 215.94835 99.79133 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.63000 22.52180 34.29600 23.54128 0.17696 0.00083 215.92570 99.77490 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.75000 22.50780 34.29750 23.54669 0.18536 0.00087 215.96829 99.75474 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.45000 22.47960 34.29570 23.55358 0.17718 0.00084 216.40758 99.88039 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.43000 22.45450 34.29650 23.56158 0.20544 0.00071 217.47618 100.12346 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 46.62000 22.33680 34.31340 23.60784 0.21780 0.00083 218.52090 100.29579 -999.00000 -999.00000 -999.00000 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