# 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 11:06:38 # original profile science log name: f8146.267.20220313T213452.science.mat # profile date(gmt): 13-Mar-2022 18:50:55 # profile lat: 20.1794 # profile lon: -135.034 # profile number: 267 # 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 3.68000 23.17740 34.24940 23.31677 0.09680 0.00084 217.01363 101.44137 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.87000 23.17580 34.24890 23.31716 0.10743 0.00058 217.15917 101.48855 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.41000 23.16990 34.24950 23.31953 0.12709 0.00065 217.16409 101.48543 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.69000 23.16380 34.24960 23.32174 0.14520 0.00080 217.12979 101.45400 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 24.20000 23.16040 34.24930 23.32283 0.12613 0.00066 216.95068 101.36528 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.26000 23.16220 34.24870 23.32211 0.09680 0.00062 216.94530 101.36504 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.92000 23.15700 34.25020 23.32509 0.14585 0.00071 216.96902 101.37282 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 39.17000 23.15940 34.24950 23.32417 0.25081 0.00067 216.84239 101.31326 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 44.03000 23.15970 34.24830 23.32346 0.20285 0.00062 216.70583 101.24912 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 49.13000 23.15900 34.24960 23.32495 0.16940 0.00071 216.63756 101.21743 -999.00000 -999.00000 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