# 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 11:07:02 # original profile science log name: f8146.378.20220418T061920.science.mat # profile date(gmt): 18-Apr-2022 03:20:05 # profile lat: 20.9222 # profile lon: -135.9843 # profile number: 378 # 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 3.77000 22.52710 34.30840 23.54777 0.20890 0.00055 217.59766 100.57846 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.12000 22.52800 34.30790 23.54738 0.19360 0.00067 217.42498 100.50072 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.80000 22.53120 34.30750 23.54649 0.16960 0.00058 217.38198 100.48417 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.64000 22.53040 34.30800 23.54737 0.15962 0.00068 217.37263 100.47958 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.65000 22.52870 34.30850 23.54846 0.20521 0.00083 217.48929 100.53326 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.80000 22.53170 34.30710 23.54691 0.17714 0.00075 217.46314 100.52389 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.80000 22.53480 34.30780 23.54685 0.19360 0.00062 217.33329 100.46010 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 39.07000 22.52180 34.30600 23.54947 0.20167 0.00067 217.29482 100.40907 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.87000 22.49850 34.30290 23.55400 0.21780 0.00070 217.11100 100.29232 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.71000 22.49250 34.30080 23.55438 0.23147 0.00068 217.01449 100.23541 -999.00000 -999.00000 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