# 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 11:07:45 # original profile science log name: f8146.587.20220603T204722.science.mat # profile date(gmt): 03-Jun-2022 17:54:10 # profile lat: 21.6891 # profile lon: -136.8184 # profile number: 587 # 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 3.85000 22.52690 34.30630 23.54624 0.10487 0.00058 236.44247 109.31160 -999.00000 67.44851 76.57072 76.58136 54.94940 8.65000 22.52880 34.30490 23.54491 0.16159 0.00075 239.96281 110.92502 -999.00000 57.04659 65.40898 65.08636 37.17052 13.61000 22.50830 34.30530 23.55130 0.13744 0.00070 239.59944 110.72644 -999.00000 47.73075 55.22016 54.71773 25.05811 18.60000 22.50020 34.30430 23.55312 0.13584 0.00084 236.32460 109.19570 -999.00000 39.25141 45.86309 45.24834 16.64564 23.82000 22.50040 34.30440 23.55344 0.17722 0.00062 233.93290 108.07634 -999.00000 31.29435 36.94044 -999.00000 10.51037 28.77000 22.49300 34.30480 23.55613 0.20149 0.00075 233.13398 107.56860 -999.00000 26.12895 31.15832 -999.00000 -999.00000 33.68000 22.32020 34.32590 23.62128 0.24319 0.00083 232.65268 106.87060 -999.00000 22.65997 27.30109 26.85430 4.98727 36.73000 22.16750 34.34490 23.67885 0.25342 0.00080 233.25323 106.73535 -999.00000 20.75084 25.19342 24.88321 4.09038 42.79000 21.62930 34.52100 23.96293 0.24743 0.00071 231.72974 105.51758 -999.00000 16.93916 20.89837 20.82453 2.67479 46.71000 21.53810 34.61280 24.05809 0.29646 0.00071 230.67536 104.92271 -999.00000 14.93524 18.61588 18.63155 2.03651 53.10000 21.42130 34.63940 24.11083 0.31460 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