# 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 11:06:36 # original profile science log name: f8146.256.20220311T132536.science.mat # profile date(gmt): 11-Mar-2022 09:50:46 # profile lat: 19.8576 # profile lon: -135.0376 # profile number: 256 # 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 3.80000 23.24630 34.17440 23.24004 0.22670 0.00075 215.89322 100.94607 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.86000 23.24220 34.17410 23.24130 0.18518 0.00058 215.85709 100.92597 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.46000 23.24220 34.17390 23.24142 0.16249 0.00058 215.80798 100.90344 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 19.06000 23.24270 34.17440 23.24198 0.14520 0.00062 215.76289 100.88421 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 24.25000 23.24350 34.17430 23.24199 0.16030 0.00067 215.69228 100.85175 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 29.38000 23.24480 34.17330 23.24118 0.19360 0.00058 215.57173 100.79549 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.91000 23.24580 34.17300 23.24094 0.17918 0.00058 215.64550 100.83336 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 39.28000 23.25120 34.17240 23.23924 0.16891 0.00058 215.60923 100.82524 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 44.18000 23.25480 34.17320 23.23909 0.20279 0.00058 215.48427 100.77003 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 49.26000 23.25120 34.17360 23.24073 0.18466 0.00062 215.36282 100.71295 -999.00000 -999.00000 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