# 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 11:06:55 # original profile science log name: f8146.348.20220414T111618.science.mat # profile date(gmt): 13-Apr-2022 13:58:46 # profile lat: 20.9156 # profile lon: -135.8246 # profile number: 348 # 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 4.11000 22.58660 34.31010 23.53218 0.16116 0.00067 217.21898 100.50859 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.81000 22.59000 34.30920 23.53080 0.15291 0.00079 217.10103 100.45341 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.83000 22.58600 34.30940 23.53237 0.15400 0.00075 217.03876 100.42277 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.86000 22.58810 34.30980 23.53236 0.15026 0.00078 216.95117 100.38815 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.75000 22.59090 34.31120 23.53285 0.19360 0.00067 216.95949 100.39771 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.15000 22.59260 34.31160 23.53299 0.17209 0.00058 216.86873 100.35882 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.55000 22.59590 34.31150 23.53229 0.15223 0.00062 216.79625 100.32752 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.51000 22.59540 34.31450 23.53499 0.21780 0.00075 216.70157 100.29156 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.87000 22.60170 34.32580 23.54202 0.22562 0.00079 216.63608 100.27760 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.82000 22.60600 34.33780 23.55017 0.25528 0.00071 216.52682 100.24038 -999.00000 -999.00000 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