# 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 11:08:34 # original profile science log name: f8146.824.20220807T025704.science.mat # profile date(gmt): 06-Aug-2022 23:59:09 # profile lat: 20.8505 # profile lon: -135.8569 # profile number: 824 # 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 3.61000 23.43790 34.59430 23.50238 0.16940 0.00075 214.77396 101.02528 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.49000 23.41680 34.59350 23.50821 0.16940 0.00087 214.93169 101.06012 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.31000 23.39970 34.59130 23.51182 0.17693 0.00092 214.97907 101.02417 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.45000 23.33950 34.59250 23.53055 0.17747 0.00083 214.81206 100.84808 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.25000 23.28440 34.59440 23.54829 0.14520 0.00083 214.90710 100.83412 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.21000 23.28370 34.59550 23.54963 0.16862 0.00091 214.86763 100.81179 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.17000 23.27980 34.59630 23.55166 0.20115 0.00099 214.93886 100.83654 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.82000 23.27660 34.59750 23.55378 0.16940 0.00083 215.14498 100.92245 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 41.88000 23.27110 34.59910 23.55683 0.17493 0.00083 215.47853 101.04389 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.53000 23.21460 34.59520 23.57065 0.21490 0.00090 217.26505 101.62018 -999.00000 -999.00000 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