# 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 11:07:41 # original profile science log name: f8146.566.20220601T073932.science.mat # profile date(gmt): 01-Jun-2022 04:46:29 # profile lat: 21.3187 # profile lon: -136.6789 # profile number: 566 # 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 3.78000 22.59550 34.28510 23.51066 0.13767 0.00066 216.36875 100.11353 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.92000 22.59550 34.28530 23.51111 0.12100 0.00092 216.05231 99.96792 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 11.25000 22.59820 34.28360 23.50918 0.13174 0.00096 215.91549 99.90503 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.46000 22.59930 34.28560 23.51079 0.17627 0.00092 215.71838 99.81961 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 24.10000 22.60060 34.28510 23.51037 0.18581 0.00087 216.02026 99.95236 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.99000 22.59500 34.28590 23.51286 0.18526 0.00087 216.58149 100.13143 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.71000 22.53160 34.28760 23.53243 0.23486 0.00071 218.49030 100.56147 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.25000 22.00030 34.42800 23.78887 0.25847 0.00075 220.44957 100.82766 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.26000 21.70780 34.52250 23.94235 0.23388 0.00087 221.24309 100.84924 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.03000 21.58920 34.53460 23.98462 0.25691 0.00090 221.69725 100.86847 -999.00000 -999.00000 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