# 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 11:08:33 # original profile science log name: f8146.817.20220806T054526.science.mat # profile date(gmt): 06-Aug-2022 02:42:05 # profile lat: 21.0217 # profile lon: -135.9481 # profile number: 817 # 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 3.39000 23.26880 34.58840 23.54709 0.21716 0.00054 213.85773 100.30921 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.32000 23.26930 34.58800 23.54693 0.25000 0.00054 213.77319 100.27061 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.10000 23.27300 34.58640 23.54493 0.20322 0.00067 213.70556 100.23998 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.41000 23.27170 34.58810 23.54691 0.17668 0.00070 213.69011 100.23627 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.73000 23.27630 34.58670 23.54484 0.19360 0.00091 213.72566 100.25475 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.72000 23.27480 34.58770 23.54627 0.19360 0.00075 213.71000 100.24806 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.85000 23.27580 34.58780 23.54637 0.21346 0.00068 213.89041 100.33161 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.62000 23.27730 34.58680 23.54552 0.25754 0.00087 214.40169 100.53097 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.95000 23.23590 34.58510 23.55649 0.24918 0.00074 215.74258 100.92484 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.34000 22.92650 34.58250 23.64412 0.28795 0.00087 218.56607 101.58379 -999.00000 -999.00000 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