# 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 11:08:01 # original profile science log name: f8146.665.20220626T172214.science.mat # profile date(gmt): 26-Jun-2022 15:00:24 # profile lat: 22.7947 # profile lon: -137.297 # profile number: 665 # 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 3.33000 22.49220 34.48710 23.69319 0.14688 0.00054 235.01139 108.69689 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.23000 22.48780 34.48690 23.69457 0.10435 0.00063 233.25419 107.87034 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.10000 22.48160 34.48630 23.69615 0.10574 0.00046 231.51027 107.02960 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.00000 22.44810 34.48400 23.70418 0.07985 0.00057 229.48898 106.01202 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.26000 22.37810 34.48170 23.72255 0.12576 0.00076 228.12260 105.28440 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.42000 22.36450 34.47800 23.72388 0.17604 0.00063 228.27946 105.32668 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.83000 22.35340 34.47780 23.72712 0.14520 0.00066 229.53357 105.88623 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.40000 22.34360 34.48020 23.73196 0.16140 0.00054 233.76103 107.81652 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 41.94000 22.33000 34.47830 23.73462 0.19968 0.00049 241.17658 111.15616 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.99000 22.29160 34.46990 23.73942 0.23479 0.00071 243.16326 111.57970 -999.00000 -999.00000 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