# 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 11:08:21 # original profile science log name: f8146.763.20220709T164520.science.mat # profile date(gmt): 08-Jul-2022 19:19:15 # profile lat: 22.0913 # profile lon: -137.5901 # profile number: 763 # 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 3.16000 22.43460 34.57630 23.77718 0.14520 0.00071 222.75763 102.98540 -999.00000 20.22935 -999.00000 -999.00000 -999.00000 7.98000 22.43680 34.57480 23.77569 0.13777 0.00071 223.47213 103.31707 -999.00000 20.15221 -999.00000 -999.00000 -999.00000 12.93000 22.43710 34.57700 23.77755 0.12863 0.00067 223.23119 103.20916 -999.00000 20.51218 -999.00000 -999.00000 -999.00000 17.83000 22.43770 34.57560 23.77660 0.14520 0.00050 222.35303 102.80087 -999.00000 19.30306 -999.00000 -999.00000 -999.00000 22.65000 22.43820 34.57550 23.77666 0.15283 0.00041 221.61956 102.46072 -999.00000 19.15117 -999.00000 -999.00000 -999.00000 27.47000 22.43640 34.57670 23.77835 0.16189 0.00062 220.73641 102.05183 -999.00000 20.69250 -999.00000 -999.00000 -999.00000 32.45000 22.43900 34.57510 23.77669 0.14520 0.00071 220.18435 101.79418 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.45000 22.43940 34.57550 23.77716 0.15202 0.00067 220.31649 101.85197 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.05000 22.43850 34.57610 23.77819 0.15417 0.00054 221.21005 102.23692 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.88000 22.43360 34.57560 23.77947 0.14894 0.00051 223.15589 102.77038 -999.00000 13.49322 -999.00000 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