# 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 11:07:07 # original profile science log name: f8146.404.20220421T101604.science.mat # profile date(gmt): 21-Apr-2022 07:11:57 # profile lat: 20.9354 # profile lon: -136.0881 # profile number: 404 # 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 4.15000 22.46310 34.35610 23.60212 0.13610 0.00075 213.00583 98.38643 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 9.28000 22.47680 34.35780 23.59982 0.15278 0.00054 212.33425 98.09589 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.94000 22.48120 34.35780 23.59883 0.12100 0.00051 211.99028 97.93773 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.18000 22.47660 34.36790 23.60804 0.12828 0.00070 212.06413 97.97313 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.31000 22.48160 34.38160 23.61731 0.14520 0.00087 212.23409 98.04586 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.16000 22.45700 34.40760 23.64429 0.14520 0.00063 212.39867 98.10397 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.06000 22.44140 34.41490 23.65452 0.14520 0.00053 212.37238 98.07122 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.07000 22.42380 34.41660 23.66108 0.14520 0.00067 212.43675 98.06824 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.95000 22.40310 34.41620 23.66691 0.14520 0.00058 212.43356 98.04722 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.26000 22.40120 34.41460 23.66653 0.14520 0.00063 212.23229 97.94967 -999.00000 -999.00000 -999.00000 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