# 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 11:08:20 # original profile science log name: f8146.756.20220706T141032.science.mat # profile date(gmt): 06-Jul-2022 11:46:12 # profile lat: 22.1817 # profile lon: -137.7536 # profile number: 756 # 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 3.62000 22.47280 34.53410 23.73436 0.22631 0.00150 217.38632 100.53476 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.02000 22.47370 34.53510 23.73511 0.22670 0.00158 217.17778 100.44173 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.08000 22.47430 34.53440 23.73470 0.19360 0.00158 217.20368 100.45545 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.32000 22.47820 34.53520 23.73449 0.20181 0.00149 217.26807 100.49061 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.88000 22.48100 34.53310 23.73237 0.21038 0.00144 217.25564 100.47343 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.02000 22.46370 34.53420 23.73840 0.20066 0.00166 217.51010 100.56346 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.23000 22.45170 34.53550 23.74309 0.22596 0.00158 218.00873 100.75069 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.82000 22.42800 34.53390 23.74885 0.24200 0.00158 219.32469 101.13573 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.02000 22.20070 34.56690 23.83830 0.22613 0.00153 220.46109 101.37086 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 46.90000 22.09720 34.59590 23.88967 0.20609 0.00145 220.89858 101.46608 -999.00000 -999.00000 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