# 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 11:07:19 # original profile science log name: f8146.460.20220508T045602.science.mat # profile date(gmt): 08-May-2022 02:00:57 # profile lat: 21.2733 # profile lon: -136.3962 # profile number: 460 # 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 3.52000 21.39670 34.55040 24.04730 0.24200 0.00058 212.75781 96.56509 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 7.91000 21.40440 34.55020 24.04527 0.23410 0.00062 211.34600 95.93375 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.73000 21.40500 34.55140 24.04627 0.22588 0.00071 210.77957 95.67736 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.28000 21.40420 34.55100 24.04642 0.24200 0.00071 210.61077 95.58610 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.49000 21.39010 34.54960 24.04951 0.23455 0.00071 210.07040 95.30277 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.69000 21.35290 34.54010 24.05279 0.22518 0.00067 209.50206 95.01383 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.86000 21.37030 34.54240 24.05004 0.23458 0.00070 209.45573 94.99449 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.90000 21.35340 34.53840 24.05191 0.23731 0.00085 209.47627 94.98326 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 41.87000 21.34560 34.53920 24.05486 0.25387 0.00074 209.51122 94.99023 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.07000 21.34220 34.53770 24.05498 0.22612 0.00079 209.44054 94.93398 -999.00000 -999.00000 -999.00000 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