# 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 11:07:59 # original profile science log name: f8146.653.20220625T100204.science.mat # profile date(gmt): 25-Jun-2022 07:37:11 # profile lat: 22.6965 # profile lon: -137.2513 # profile number: 653 # 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 3.55000 22.44340 34.48500 23.70545 0.23356 0.00058 211.15365 97.50828 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.08000 22.34850 34.47560 23.72543 0.38452 0.00058 211.18432 97.40752 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.14000 22.33350 34.47350 23.72836 0.16940 0.00066 211.14350 97.36472 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.09000 22.32540 34.47320 23.73070 0.16151 0.00083 211.14505 97.35269 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.00000 22.32020 34.47300 23.73229 0.15309 0.00079 211.11680 97.33148 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.91000 22.31560 34.47410 23.73470 0.16940 0.00071 211.15655 97.34515 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.80000 22.31230 34.47340 23.73538 0.16940 0.00066 211.26454 97.38818 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 36.93000 22.31120 34.47220 23.73501 0.18214 0.00058 211.32330 97.40901 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.93000 22.30800 34.47160 23.73580 0.21094 0.00058 211.63015 97.53453 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.37000 22.30230 34.46930 23.73597 0.20900 0.00070 213.54173 98.13922 -999.00000 -999.00000 -999.00000 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