# 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 11:08:08 # original profile science log name: f8146.699.20220630T111032.science.mat # profile date(gmt): 30-Jun-2022 08:46:48 # profile lat: 22.7793 # profile lon: -137.668 # profile number: 699 # 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 3.31000 22.54590 34.49380 23.68302 0.16940 0.00104 212.76713 98.49896 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.27000 22.54960 34.49270 23.68141 0.16940 0.00100 212.21649 98.24488 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.81000 22.54590 34.49370 23.68348 0.16133 0.00104 211.91544 98.10350 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.61000 22.54450 34.49330 23.68385 0.14520 0.00096 211.96643 98.12365 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.92000 22.54350 34.49170 23.68322 0.15269 0.00096 212.12623 98.18350 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.01000 22.53130 34.49080 23.68630 0.17839 0.00096 212.67627 98.36598 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.18000 22.46510 34.48630 23.70191 0.20784 0.00103 213.39787 98.53443 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.62000 22.33210 34.48090 23.73575 0.24872 0.00107 214.49890 98.76198 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.38000 22.12840 34.52950 23.83031 0.26620 0.00086 215.50340 98.99880 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.20000 22.07710 34.54730 23.85843 0.24681 0.00108 215.74818 98.97861 -999.00000 -999.00000 -999.00000 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