# 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 11:06:54 # original profile science log name: f8146.340.20220407T062802.science.mat # profile date(gmt): 06-Apr-2022 09:23:45 # profile lat: 20.6662 # profile lon: -135.6155 # profile number: 340 # 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 3.60000 22.74400 34.31420 23.49040 0.17741 0.00063 216.98797 100.68850 -999.00000 -999.00000 -999.00000 0.00176 -999.00000 8.27000 22.75610 34.31470 23.48759 0.20167 0.00058 216.80482 100.61292 -999.00000 -999.00000 -999.00000 0.00094 -999.00000 12.99000 22.75020 34.31410 23.48909 0.20953 0.00075 216.69862 100.56021 -999.00000 -999.00000 -999.00000 0.00050 -999.00000 17.52000 22.75680 34.31460 23.48785 0.20679 0.00055 216.66693 100.55303 -999.00000 -999.00000 -999.00000 0.00057 -999.00000 23.39000 22.75810 34.31470 23.48790 0.22395 0.00055 216.69307 100.56744 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.60000 22.75970 34.31570 23.48845 0.18627 0.00071 216.70862 100.57843 -999.00000 -999.00000 -999.00000 0.00127 -999.00000 32.62000 22.76250 34.31400 23.48666 0.17545 0.00074 216.60837 100.53059 -999.00000 -999.00000 -999.00000 0.00158 -999.00000 38.78000 22.75820 34.31620 23.48991 0.19360 0.00079 216.54077 100.49720 -999.00000 -999.00000 -999.00000 0.00182 -999.00000 43.56000 22.75850 34.31560 23.48964 0.20825 0.00067 216.47658 100.46723 -999.00000 -999.00000 -999.00000 0.00127 -999.00000 48.58000 22.76060 34.31460 23.48857 0.23474 0.00062 216.53980 100.49771 -999.00000 -999.00000 -999.00000 0.00041 -999.00000 53.73000 22.76070 34.31740 23.49096 0.23377 0.00075 216.39493 100.42912 -999.00000 -999.00000 -999.00000 0.00113 -999.00000 58.50000 22.75850 34.31760 23.49202 0.26620 0.00079 216.34764 100.39912 -999.00000 -999.00000 -999.00000 0.00139 -999.00000 63.54000 22.74950 34.31910 23.49602 0.25902 0.00067 216.31902 100.37920 -999.00000 -999.00000 -999.00000 0.00181 -999.00000 68.74000 22.74830 34.31810 23.49591 0.22705 0.00062 216.20424 100.31789 -999.00000 -999.00000 -999.00000 0.00115 -999.00000 73.84000 22.74190 34.32060 23.49993 0.20211 0.00071 216.13958 100.28507 -999.00000 -999.00000 -999.00000 0.00133 -999.00000 78.16000 22.74260 34.32060 23.49998 0.22546 0.00067 216.00855 100.22287 -999.00000 -999.00000 -999.00000 0.00210 -999.00000 83.04000 22.74350 34.31880 23.49864 0.23511 0.00058 215.76879 100.10370 -999.00000 -999.00000 -999.00000 0.00205 -999.00000 88.58000 22.74360 34.31960 23.49954 0.25533 0.00062 215.00527 99.72541 -999.00000 -999.00000 -999.00000 0.00273 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