# 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: f8146.698.20220630T084226.science.mat # profile date(gmt): 30-Jun-2022 06:15:52 # profile lat: 22.7868 # profile lon: -137.6605 # profile number: 698 # 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 3.12000 22.55670 34.49320 23.67948 0.19324 0.00104 212.88649 98.57366 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 7.85000 22.56210 34.49110 23.67662 0.15365 0.00100 212.32889 98.31810 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.43000 22.56170 34.49190 23.67760 0.16940 0.00108 212.14785 98.23657 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 16.89000 22.56430 34.49200 23.67719 0.16317 0.00105 212.07360 98.20406 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.87000 22.56420 34.49160 23.67726 0.14520 0.00096 212.17168 98.24293 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.98000 22.55730 34.49140 23.67937 0.13036 0.00092 212.60178 98.37349 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.12000 22.44490 34.48540 23.70701 0.11810 0.00090 213.31491 98.54677 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.38000 22.41280 34.48210 23.71389 0.17878 0.00103 213.81038 98.63931 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.43000 22.29300 34.48460 23.74986 0.20688 0.00096 214.47302 98.73792 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.97000 22.10890 34.55050 23.85198 0.22763 0.00096 214.90436 98.75636 -999.00000 -999.00000 -999.00000 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