# 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 11:08:02 # original profile science log name: f8146.671.20220627T090126.science.mat # profile date(gmt): 27-Jun-2022 06:36:58 # profile lat: 22.8249 # profile lon: -137.3435 # profile number: 671 # 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 3.25000 22.58090 34.49020 23.67033 0.12100 0.00054 212.43696 98.39874 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 7.99000 22.58050 34.49070 23.67110 0.10528 0.00054 212.23653 98.27971 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.75000 22.54210 34.48730 23.67971 0.08732 0.00075 212.48539 98.28803 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.01000 22.43470 34.48510 23.70881 0.13539 0.00072 212.92366 98.36205 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.31000 22.41790 34.48420 23.71318 0.16162 0.00054 213.04613 98.39107 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.12000 22.40440 34.48200 23.71561 0.14520 0.00075 213.22843 98.44736 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.76000 22.38860 34.48150 23.71997 0.15266 0.00075 213.20955 98.40966 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.87000 22.36900 34.48190 23.72610 0.16064 0.00054 213.18087 98.36706 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.15000 22.35600 34.48220 23.73025 0.16802 0.00054 213.25074 98.37956 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.24000 22.34740 34.48200 23.73281 0.20017 0.00068 213.40151 98.42038 -999.00000 -999.00000 -999.00000 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