# 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 11:06:59 # original profile science log name: f8146.364.20220416T121304.science.mat # profile date(gmt): 16-Apr-2022 09:03:39 # profile lat: 20.9164 # profile lon: -135.9616 # profile number: 364 # 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 4.06000 22.39920 34.29000 23.57007 0.17743 0.00050 218.25827 100.65071 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.88000 22.40830 34.28900 23.56700 0.18311 0.00048 217.99215 100.53744 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.57000 22.40780 34.29000 23.56811 0.17562 0.00043 217.86880 100.48378 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.80000 22.41070 34.28870 23.56665 0.18678 0.00071 218.04325 100.56428 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 24.48000 22.40560 34.29000 23.56941 0.16940 0.00071 218.11938 100.59736 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 29.03000 22.41260 34.28870 23.56671 0.19782 0.00071 218.05071 100.57469 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 34.48000 22.41770 34.28870 23.56557 0.23260 0.00062 218.07784 100.59353 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 39.09000 22.41700 34.28980 23.56687 0.16940 0.00050 218.00607 100.56320 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 44.28000 22.42210 34.28820 23.56450 0.17778 0.00058 217.88433 100.51096 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.90000 22.42080 34.29000 23.56649 0.20771 0.00066 217.75556 100.45293 -999.00000 -999.00000 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