# 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 11:06:00 # original profile science log name: f8146.088.20220125T022956.science.mat # profile date(gmt): 24-Jan-2022 22:45:58 # profile lat: 20.0173 # profile lon: -135.9592 # profile number: 088 # 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 4.18000 23.84600 34.14130 23.03997 0.24200 0.00074 213.11920 100.66941 0.05632 -999.00000 -999.00000 -999.00000 -999.00000 9.57000 23.85500 34.19300 23.07677 0.26004 0.00058 212.78127 100.55187 0.05771 -999.00000 -999.00000 -999.00000 -999.00000 14.72000 23.85600 34.19560 23.07875 0.29040 0.00058 212.59845 100.46471 0.05639 -999.00000 -999.00000 -999.00000 -999.00000 19.39000 23.85450 34.20910 23.08969 0.28101 0.00063 212.56696 100.44374 0.06309 -999.00000 -999.00000 -999.00000 -999.00000 24.34000 23.83520 34.21930 23.10340 0.25737 0.00066 212.45421 100.35424 0.05730 -999.00000 -999.00000 -999.00000 -999.00000 29.52000 23.80100 34.22320 23.11674 0.25114 0.00068 212.41027 100.29312 0.05792 -999.00000 -999.00000 -999.00000 -999.00000 34.47000 23.79090 34.22460 23.12107 0.28446 0.00074 212.43225 100.29199 0.05962 -999.00000 -999.00000 -999.00000 -999.00000 39.56000 23.78200 34.22920 23.12747 0.32536 0.00058 212.54736 100.34133 0.05886 -999.00000 -999.00000 -999.00000 -999.00000 43.88000 23.78110 34.23110 23.12944 0.32294 0.00062 212.54735 100.34457 0.05593 -999.00000 -999.00000 -999.00000 -999.00000 49.74000 23.78790 34.23510 23.13082 0.33046 0.00066 212.41618 100.23966 0.05543 -999.00000 -999.00000 -999.00000 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