# 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 11:06:05 # original profile science log name: f8146.110.20220129T094850.science.mat # profile date(gmt): 29-Jan-2022 06:46:22 # profile lat: 19.7581 # profile lon: -135.4757 # profile number: 110 # 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 3.45000 23.84820 34.29440 23.15512 0.19082 0.00066 212.97793 100.69853 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.41000 23.84850 34.29480 23.15563 0.24449 0.00058 212.71124 100.57747 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.69000 23.85280 34.29550 23.15516 0.21780 0.00067 212.50613 100.48683 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.21000 23.85550 34.29410 23.15364 0.20952 0.00066 212.49410 100.48243 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.67000 23.85500 34.29560 23.15527 0.20346 0.00049 212.54280 100.50969 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.38000 23.85900 34.29400 23.15318 0.21780 0.00071 212.59024 100.53289 1.68059 -999.00000 -999.00000 -999.00000 -999.00000 32.06000 23.86060 34.29430 23.15317 0.21075 0.00067 212.57307 100.52528 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.46000 23.85940 34.29430 23.15391 0.18586 0.00062 212.30922 100.40211 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 44.46000 23.85960 34.29560 23.15520 0.17844 0.00066 211.96396 100.24439 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 49.52000 23.86590 34.30060 23.15744 0.19360 0.00058 211.67783 100.11994 -999.00000 -999.00000 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