# 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 11:08:07 # original profile science log name: f8146.692.20220629T171128.science.mat # profile date(gmt): 29-Jun-2022 14:47:38 # profile lat: 22.8136 # profile lon: -137.5807 # profile number: 692 # 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 3.78000 22.51430 34.49260 23.69111 0.11557 0.00100 238.10296 110.17540 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 7.78000 22.51340 34.49300 23.69190 0.14520 0.00100 249.01211 115.22849 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.70000 22.51130 34.49400 23.69353 0.12886 0.00083 257.56377 119.18744 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.44000 22.51150 34.49180 23.69208 0.11851 0.00076 257.90667 119.33584 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.79000 22.50110 34.49240 23.69579 0.16940 0.00066 254.40948 117.70392 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.20000 22.50560 34.49250 23.69490 0.17682 0.00087 247.52292 114.46141 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.34000 22.43310 34.48480 23.70991 0.17798 0.00100 240.65129 111.12199 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.13000 22.36140 34.48060 23.72728 0.17605 0.00100 239.36180 110.35074 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.07000 22.26690 34.47510 23.75005 0.25899 0.00083 236.32142 108.59540 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.48000 22.01550 34.48260 23.82658 0.28340 0.00087 233.43236 106.81006 -999.00000 -999.00000 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