# 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 11:06:23 # original profile science log name: f8146.194.20220220T092132.science.mat # profile date(gmt): 20-Feb-2022 05:36:53 # profile lat: 19.2577 # profile lon: -134.6959 # profile number: 194 # 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 4.30000 23.33280 34.25730 23.27778 0.19360 0.00075 215.52504 100.99061 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 9.34000 23.34920 34.25570 23.27211 0.18478 0.00092 215.48053 100.98497 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.73000 23.34600 34.25630 23.27375 0.16164 0.00100 215.43682 100.96323 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.72000 23.34700 34.25670 23.27406 0.15223 0.00080 215.32039 100.91317 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 24.15000 23.35530 34.25550 23.27108 0.18369 0.00078 215.22590 100.87799 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 29.38000 23.35680 34.25610 23.27143 0.21060 0.00092 215.18178 100.86170 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 34.76000 23.36030 34.25490 23.26983 0.18422 0.00078 215.10571 100.82582 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.81000 23.35500 34.25690 23.27312 0.17600 0.00071 215.04646 100.79272 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 44.46000 23.35310 34.25730 23.27431 0.20131 0.00071 215.08070 100.79387 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 49.40000 23.33710 34.27910 23.29576 0.22523 0.00075 215.06739 100.76745 -999.00000 -999.00000 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