# 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 11:07:35 # original profile science log name: f8146.537.20220528T174402.science.mat # profile date(gmt): 28-May-2022 14:52:26 # profile lat: 20.9484 # profile lon: -136.5531 # profile number: 537 # 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 3.85000 22.40440 34.27420 23.55659 0.15482 0.00075 227.61398 104.97022 -999.00000 48.22393 55.27310 55.17594 39.19451 8.28000 22.40290 34.27560 23.55833 0.20129 0.00058 230.76366 106.42760 -999.00000 41.86901 48.52249 48.33148 28.03371 12.97000 22.40420 34.27450 23.55739 0.16169 0.00062 232.38576 107.17574 -999.00000 38.45265 45.44885 45.55558 21.58251 17.99000 22.40330 34.27550 23.55868 0.14520 0.00071 231.50500 106.76845 -999.00000 34.99916 42.61673 43.21365 16.17949 23.10000 22.40260 34.27740 23.56061 0.16506 0.00078 230.61619 106.35134 -999.00000 36.82032 46.58570 48.16280 14.79966 28.95000 22.40460 34.27400 23.55781 0.25048 0.00091 231.88643 106.78459 -999.00000 22.92560 28.54844 28.66974 6.44008 33.69000 22.21120 34.35450 23.67369 0.31460 0.00070 231.29509 106.07451 -999.00000 20.00336 25.43101 26.10090 4.67473 36.60000 21.97220 34.43650 23.80308 0.30894 0.00064 229.94224 105.18643 -999.00000 21.47887 28.08632 29.56030 4.91992 43.44000 21.67200 34.52590 23.95486 0.29040 0.00083 228.08546 103.92227 -999.00000 -999.00000 -999.00000 -999.00000 1.93659 48.31000 21.55130 34.57570 24.02634 0.29805 0.00079 227.45550 103.47654 -999.00000 10.14634 13.61848 14.54833 1.49773 53.20000 21.46600 34.59760 24.06676 0.31460 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