# 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 11:06:26 # original profile science log name: f8146.209.20220222T085834.science.mat # profile date(gmt): 22-Feb-2022 06:16:46 # profile lat: 19.0791 # profile lon: -134.7257 # profile number: 209 # 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 3.62000 23.25250 34.26910 23.30996 0.15288 0.00059 215.75424 100.95674 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.49000 23.25350 34.26930 23.31011 0.18461 0.00049 215.64880 100.90882 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.58000 23.25490 34.26880 23.30963 0.19737 0.00078 215.58088 100.87857 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.37000 23.25300 34.26990 23.31124 0.16940 0.00067 215.57811 100.87943 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.72000 23.25690 34.26800 23.30899 0.16940 0.00061 215.59666 100.88810 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 29.71000 23.25310 34.26960 23.31174 0.17745 0.00067 215.53540 100.86687 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 34.28000 23.26760 34.28070 23.31622 0.19360 0.00054 215.48722 100.87582 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.93000 23.28080 34.29930 23.32676 0.19360 0.00050 215.40960 100.87703 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 44.09000 23.29740 34.31470 23.33392 0.18559 0.00067 215.34318 100.89146 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.76000 23.31980 34.33840 23.34565 0.20476 0.00074 215.18547 100.86964 -999.00000 -999.00000 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