# 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 11:08:38 # original profile science log name: f8146.841.20220809T055536.science.mat # profile date(gmt): 09-Aug-2022 02:53:35 # profile lat: 20.4189 # profile lon: -135.7931 # profile number: 841 # 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 3.82000 23.44190 34.59660 23.50296 0.18576 0.00074 213.16975 100.28910 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.76000 23.44120 34.59640 23.50331 0.18335 0.00101 212.98845 100.20536 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 14.31000 23.44360 34.59610 23.50272 0.20995 0.00079 213.00384 100.21470 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 19.24000 23.44400 34.59640 23.50312 0.20220 0.00080 212.97906 100.18963 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.74000 23.42910 34.59640 23.50774 0.23456 0.00104 213.38768 100.26161 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.28000 23.27210 34.62920 23.57853 0.24311 0.00109 214.25320 100.47458 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.06000 23.19540 34.63810 23.60779 0.19360 0.00092 214.52677 100.50526 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.34000 23.16910 34.63740 23.61513 0.19360 0.00113 214.66790 100.52345 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 41.35000 23.14610 34.64140 23.62505 0.20311 0.00101 214.69310 100.50398 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.01000 23.09705 34.65190 23.64751 0.20734 0.00107 215.45447 100.73168 -999.00000 -999.00000 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