# 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 11:08:24 # original profile science log name: f8146.775.20220720T074632.science.mat # profile date(gmt): 19-Jul-2022 10:49:33 # profile lat: 22.4648 # profile lon: -136.8744 # profile number: 775 # 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 3.88000 22.62260 34.62320 23.75937 0.16102 0.00071 217.01480 100.68838 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.50000 22.63320 34.62250 23.75608 0.13660 0.00091 216.83101 100.61804 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.00000 22.63960 34.62300 23.75489 0.13944 0.00064 216.85901 100.63723 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.20000 22.63760 34.62150 23.75456 0.17891 0.00043 216.87263 100.64254 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 21.27000 22.64240 34.62170 23.75358 0.18476 0.00054 216.84032 100.63446 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 26.62000 22.64490 34.62160 23.75310 0.16778 0.00066 216.80869 100.62131 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 31.97000 22.64740 34.62150 23.75263 0.15079 0.00077 216.77706 100.60816 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.63000 22.63950 34.62190 23.75557 0.16035 0.00063 216.81851 100.62244 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.83000 22.64750 34.62100 23.75284 0.13729 0.00071 216.91771 100.66950 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.48000 22.64640 34.62170 23.75396 0.13391 0.00064 217.74317 101.00117 -999.00000 -999.00000 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