# 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 11:06:43 # original profile science log name: f8146.292.20220325T194234.science.mat # profile date(gmt): 25-Mar-2022 16:33:05 # profile lat: 20.5109 # profile lon: -135.4428 # profile number: 292 # 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 4.06000 23.05230 34.24020 23.34592 0.19360 0.00046 216.51605 100.96113 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 9.00000 23.05210 34.23810 23.34468 0.20125 0.00054 216.65706 101.02329 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 14.06000 23.05060 34.23980 23.34669 0.20212 0.00067 216.83000 101.10740 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.92000 23.05240 34.23840 23.34539 0.19727 0.00055 216.81414 101.10178 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 24.28000 23.05170 34.23960 23.34683 0.25614 0.00061 216.52001 100.96446 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.13000 23.05330 34.23840 23.34569 0.24200 0.00080 216.35768 100.88447 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.54000 23.05380 34.23930 23.34655 0.24918 0.00067 216.16613 100.79488 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.93000 23.05590 34.23790 23.34521 0.26620 0.00067 216.11281 100.76946 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.73000 23.05490 34.23980 23.34721 0.26620 0.00079 215.97816 100.70911 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 49.01000 23.05790 34.23860 23.34575 0.26620 0.00075 215.84129 100.64375 -999.00000 -999.00000 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