# 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 11:07:31 # original profile science log name: f8146.516.20220525T112518.science.mat # profile date(gmt): 24-May-2022 13:59:05 # profile lat: 20.7812 # profile lon: -136.5414 # profile number: 516 # 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 3.69000 22.36740 34.27910 23.57076 0.18578 0.00092 213.79088 98.52814 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.64000 22.37330 34.27750 23.56815 0.17742 0.00083 213.56708 98.42885 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.47000 22.37090 34.27950 23.57062 0.18553 0.00083 213.52940 98.41296 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.27000 22.37200 34.27920 23.57034 0.17847 0.00069 213.54456 98.41992 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.54000 22.37250 34.27920 23.57045 0.18651 0.00053 213.63044 98.45884 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.00000 22.37580 34.27790 23.56885 0.17568 0.00074 213.98737 98.59230 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 34.17000 22.37440 34.27620 23.56830 0.29685 0.00077 216.55651 99.33677 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.17000 21.90460 34.43640 23.82190 0.34728 0.00071 218.17741 99.67054 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.99000 21.49860 34.59240 24.05328 0.25820 0.00066 219.20332 99.65627 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.77000 21.45270 34.61960 24.08685 0.29829 0.00058 219.20378 99.59824 -999.00000 -999.00000 -999.00000 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