# 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 11:07:51 # original profile science log name: f8146.615.20220607T200430.science.mat # profile date(gmt): 06-Jun-2022 23:05:22 # profile lat: 22.0435 # profile lon: -137.1424 # profile number: 615 # 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 4.06000 22.57600 34.31430 23.53837 0.08929 0.00079 235.48582 108.94419 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.70000 22.53750 34.31310 23.54866 0.11300 0.00071 240.84819 111.37142 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.54000 22.53090 34.31390 23.55141 0.09680 0.00080 241.00974 111.43376 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.63000 22.52520 34.31550 23.55447 0.11133 0.00084 239.72904 110.84336 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.96000 22.52400 34.31350 23.55360 0.17668 0.00058 239.39309 110.69134 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 26.65000 22.51630 34.31560 23.55759 0.19069 0.00058 239.29835 110.62361 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.79000 22.51180 34.31250 23.55693 0.13982 0.00058 238.15704 109.97655 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.29000 22.50690 34.31040 23.55698 0.21780 0.00058 235.38750 108.25223 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.42000 21.96800 34.47530 23.83409 0.22666 0.00063 233.31187 106.69494 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.79000 21.72850 34.54320 23.95257 0.24908 0.00071 231.56151 105.63481 -999.00000 -999.00000 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