# 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 11:06:08 # original profile science log name: f8146.125.20220205T045328.science.mat # profile date(gmt): 05-Feb-2022 01:49:53 # profile lat: 19.4597 # profile lon: -134.9507 # profile number: 125 # 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 2.95000 23.48300 34.33570 23.29336 0.25743 0.00072 214.84261 100.97362 0.04905 -999.00000 -999.00000 -999.00000 -999.00000 8.25000 23.48390 34.33440 23.29244 0.23310 0.00082 214.74669 100.92930 0.04933 -999.00000 -999.00000 -999.00000 -999.00000 13.47000 23.48620 34.33410 23.29185 0.23745 0.00058 214.71451 100.91654 0.04912 -999.00000 -999.00000 -999.00000 -999.00000 18.12000 23.48380 34.33570 23.29404 0.24986 0.00067 214.67053 100.89723 0.05087 -999.00000 -999.00000 -999.00000 -999.00000 23.65000 23.48550 34.33430 23.29283 0.22836 0.00083 214.63375 100.88013 0.04764 -999.00000 -999.00000 -999.00000 -999.00000 28.05000 23.48550 34.33650 23.29477 0.23363 0.00083 214.61826 100.87612 0.04859 -999.00000 -999.00000 -999.00000 -999.00000 33.52000 23.48540 34.33590 23.29468 0.20041 0.00083 214.60799 100.87042 0.04786 -999.00000 -999.00000 -999.00000 -999.00000 38.72000 23.48780 34.33430 23.29309 0.18806 0.00074 214.62126 100.87627 0.04903 -999.00000 -999.00000 -999.00000 -999.00000 43.70000 23.48580 34.33520 23.29465 0.21780 0.00058 214.47616 100.81340 0.04819 -999.00000 -999.00000 -999.00000 -999.00000 48.16000 23.49230 34.33960 23.29635 0.22843 0.00058 214.37439 100.77458 0.05192 -999.00000 -999.00000 -999.00000 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