# 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 11:07:57 # original profile science log name: f8146.648.20220624T202150.science.mat # profile date(gmt): 24-Jun-2022 17:27:29 # profile lat: 22.6332 # profile lon: -137.247 # profile number: 648 # 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 3.40000 22.36720 34.47370 23.71844 0.08070 0.00062 246.89967 113.92209 -999.00000 68.27283 76.81478 76.48314 56.80806 8.18000 22.32490 34.47180 23.72922 0.11232 0.00054 250.67468 115.60214 -999.00000 62.32104 70.45446 69.45776 40.96792 13.17000 22.31450 34.47290 23.73327 0.12946 0.00063 249.33434 114.96373 -999.00000 54.52234 61.90009 60.45313 28.76881 18.09000 22.30940 34.47210 23.73438 0.09680 0.00050 247.05769 113.90126 -999.00000 48.03063 54.85558 53.07516 20.08964 23.30000 22.30730 34.47190 23.73511 0.10492 0.00067 243.63908 112.31550 -999.00000 42.19749 48.54003 46.56646 13.96166 27.99000 22.30320 34.47190 23.73654 0.13526 0.00079 240.14799 110.69840 -999.00000 38.14064 44.18314 42.10709 10.09863 33.15000 22.30200 34.47150 23.73687 0.16940 0.00075 236.86907 109.18353 -999.00000 33.38369 38.94871 36.87674 7.10726 37.51000 22.30360 34.47130 23.73651 0.16940 0.00075 235.07046 108.35013 -999.00000 29.48075 34.58338 32.57584 5.21956 42.33000 22.29900 34.47190 23.73853 0.16247 0.00055 234.03712 107.86476 -999.00000 25.77823 30.41734 28.47083 3.69387 47.92000 22.29800 34.47130 23.73867 0.13773 0.00042 233.63927 107.64714 -999.00000 21.55412 25.61512 23.77786 2.35853 53.10000 22.28880 34.46920 23.73997 0.16642 0.00051 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