# 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 11:05:45 # original profile science log name: f8146.018.20211127T202748.science.mat # profile date(gmt): 27-Nov-2021 18:05:15 # profile lat: 19.369 # profile lon: -138.4838 # profile number: 018 # 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 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.27000 23.71440 34.91630 23.66545 0.08769 0.00058 213.13127 100.94830 0.03620 90.42309 104.75894 105.70614 63.88228 13.24000 23.71150 34.91530 23.66585 0.08576 0.00058 213.77502 101.19518 0.03577 84.88851 99.18856 98.92988 47.03202 16.77000 23.66550 34.93730 23.69624 0.08495 0.00046 214.65940 101.42283 0.03696 76.18883 87.90412 86.78093 34.79060 24.95000 23.44880 35.05930 23.85263 0.11750 0.00063 215.03325 101.47927 0.03723 62.26455 72.65479 70.84049 19.64212 29.44000 23.44120 35.06250 23.85756 0.13521 0.00081 215.04161 101.47556 0.03737 54.88394 64.31362 61.98950 13.59040 34.09000 23.43790 35.06540 23.86100 0.13076 0.00080 215.08136 101.48930 0.03732 47.02568 55.42556 52.96840 9.38368 38.85000 23.43360 35.06820 23.86467 0.13568 0.00048 215.11648 101.50345 0.03773 43.93655 52.69639 50.60334 7.47589 43.73000 23.43380 35.06890 23.86543 0.13060 0.00033 215.10264 101.49423 0.03850 36.17428 43.03834 40.52728 4.65496 48.57000 23.43180 35.07060 23.86759 0.14520 0.00040 215.12136 101.50163 0.03957 31.76694 37.88312 35.47152 3.35749 53.28333 23.43013 35.07023 23.86809 0.16139 0.00052 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