# 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: f8146.268.20220314T005254.science.mat # profile date(gmt): 13-Mar-2022 21:40:24 # profile lat: 20.1917 # profile lon: -135.0374 # profile number: 268 # 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 2.95000 23.18940 34.23950 23.30576 0.12100 0.00083 217.02204 101.43697 -999.00000 48.04482 -999.00000 -999.00000 -999.00000 8.99000 23.19220 34.23920 23.30508 0.13971 0.00074 217.00880 101.44033 -999.00000 41.79192 -999.00000 -999.00000 -999.00000 13.05000 23.19150 34.23910 23.30545 0.17558 0.00058 217.07708 101.47526 -999.00000 28.24082 -999.00000 -999.00000 -999.00000 19.00000 23.19220 34.24100 23.30703 0.17951 0.00062 217.01709 101.45004 -999.00000 21.95003 -999.00000 -999.00000 -999.00000 24.30000 23.19380 34.23940 23.30569 0.16940 0.00075 216.92774 101.38612 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 29.10000 23.16620 34.24140 23.31547 0.21007 0.00071 216.81977 101.29625 -999.00000 18.18599 -999.00000 -999.00000 -999.00000 34.11000 23.16350 34.24310 23.31784 0.17677 0.00055 216.76699 101.26038 -999.00000 19.28855 -999.00000 -999.00000 -999.00000 38.63000 23.15190 34.24370 23.32191 0.15862 0.00071 216.69001 101.20854 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 44.19000 23.15030 34.24430 23.32315 0.18595 0.00067 216.74015 101.23130 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 49.17000 23.15120 34.24470 23.32349 0.18374 0.00066 216.73493 101.23139 -999.00000 10.02422 -999.00000 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