# 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 11:08:17 # original profile science log name: f8146.741.20220705T003658.science.mat # profile date(gmt): 04-Jul-2022 22:12:24 # profile lat: 22.3054 # profile lon: -137.8452 # profile number: 741 # 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 3.63000 22.60620 34.52360 23.68848 0.12896 0.00153 223.85684 103.69739 -999.00000 84.22366 -999.00000 -999.00000 74.57012 8.24000 22.46650 34.52050 23.72609 0.11444 0.00141 225.47164 104.26062 -999.00000 93.62837 -999.00000 -999.00000 69.38077 12.63000 22.45560 34.52080 23.72966 0.14520 0.00137 225.82755 104.40251 -999.00000 78.44044 -999.00000 -999.00000 44.47129 17.84000 22.44560 34.51990 23.73210 0.15875 0.00145 226.43141 104.48231 -999.00000 65.54339 -999.00000 -999.00000 28.94204 23.35000 22.08900 34.58780 23.88450 0.18565 0.00137 226.98424 104.30588 -999.00000 58.67484 -999.00000 -999.00000 19.37186 28.22000 22.06530 34.59390 23.89606 0.18486 0.00124 226.43804 103.99706 -999.00000 56.72605 -999.00000 -999.00000 15.27403 33.23000 22.02940 34.59940 23.91057 0.22569 0.00137 225.81148 103.63247 -999.00000 45.18598 -999.00000 -999.00000 9.40592 38.14000 21.97540 34.60380 23.92930 0.25055 0.00145 225.31661 103.34442 -999.00000 40.71671 -999.00000 -999.00000 7.06261 42.67000 21.96360 34.60780 23.93588 0.25852 0.00145 224.90776 103.13469 -999.00000 32.49879 -999.00000 -999.00000 -999.00000 47.63000 21.95160 34.60860 23.94012 0.24200 0.00141 224.70592 103.01358 -999.00000 30.31765 -999.00000 -999.00000 3.39107 51.96000 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