# 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 11:06:33 # original profile science log name: f8146.243.20220309T102452.science.mat # profile date(gmt): 09-Mar-2022 06:51:28 # profile lat: 19.5426 # profile lon: -135.065 # profile number: 243 # 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 4.53000 23.42870 34.17940 23.19093 0.19360 0.00067 215.68726 101.17909 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 9.13000 23.43900 34.17990 23.18859 0.19360 0.00054 215.38717 101.05247 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 14.14000 23.44190 34.17900 23.18736 0.20849 0.00050 215.21302 100.97248 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 19.34000 23.44180 34.18050 23.18884 0.21834 0.00054 215.22709 100.98190 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 24.25000 23.44200 34.18060 23.18916 0.19165 0.00050 215.25001 100.99396 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 29.47000 23.44170 34.18020 23.18927 0.22524 0.00071 215.20467 100.97609 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 34.09000 23.45040 34.18140 23.18793 0.19360 0.00085 215.27988 101.01633 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 39.40000 23.44520 34.18660 23.19370 0.20185 0.00063 215.20277 100.97878 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.94000 23.44730 34.18610 23.19298 0.20362 0.00074 215.18296 100.94887 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 49.32000 23.40870 34.23450 23.24117 0.16940 0.00087 215.43119 101.04901 -999.00000 -999.00000 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