# 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 11:08:37 # original profile science log name: f8146.836.20220808T142830.science.mat # profile date(gmt): 08-Aug-2022 11:27:29 # profile lat: 20.5377 # profile lon: -135.785 # profile number: 836 # 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 3.41000 23.37350 34.59430 23.52113 0.18638 0.00096 212.85988 100.02102 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.77000 23.37480 34.59440 23.52114 0.17727 0.00100 212.65047 99.92338 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.69000 23.37090 34.59610 23.52386 0.19360 0.00104 212.48175 99.84350 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.16000 23.37290 34.59510 23.52279 0.18496 0.00087 212.55296 99.87899 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.64000 23.37510 34.59660 23.52356 0.21637 0.00074 212.58228 99.89488 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.41000 23.37550 34.59610 23.52341 0.28727 0.00087 212.97286 100.03526 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.67000 23.34210 34.59100 23.52958 0.17708 0.00096 213.99294 100.30500 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.63000 23.07520 34.60490 23.61771 0.19360 0.00096 214.77587 100.40603 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.35000 23.05240 34.66850 23.67277 0.18501 0.00096 214.85967 100.42730 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.71000 23.03240 34.67760 23.68569 0.19815 0.00096 215.63031 100.69188 -999.00000 -999.00000 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