# 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 11:07:56 # original profile science log name: f8146.641.20220624T004548.science.mat # profile date(gmt): 23-Jun-2022 21:51:44 # profile lat: 22.553 # profile lon: -137.2401 # profile number: 641 # 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 3.33000 22.48780 34.47580 23.68587 0.10444 0.00058 240.03561 110.92210 -999.00000 43.12458 48.69640 -999.00000 35.74945 8.32000 22.36850 34.47280 23.71767 0.13662 0.00083 242.68729 111.94251 -999.00000 41.86822 47.47227 46.81536 27.15098 13.11000 22.32160 34.47060 23.72952 0.16940 0.00071 241.64014 111.41678 -999.00000 37.63526 42.82650 41.84482 19.62181 18.00000 22.31610 34.47080 23.73150 0.16940 0.00054 239.81656 110.56657 -999.00000 33.87031 38.74414 37.46605 13.87865 23.00000 22.31170 34.47210 23.73401 0.16940 0.00071 237.15952 109.33430 -999.00000 30.02551 34.55132 33.08373 9.68010 27.98000 22.30870 34.47120 23.73445 0.15363 0.00075 234.14352 107.93396 -999.00000 26.46293 30.61449 29.06191 6.81733 32.89000 22.30380 34.47130 23.73619 0.15223 0.00067 232.09915 106.98260 -999.00000 23.26446 27.05350 25.47617 4.83663 37.77000 22.30150 34.47070 23.73666 0.21077 0.00041 231.14511 106.53295 -999.00000 20.63340 24.15603 22.59392 3.40927 43.08000 22.29830 34.47060 23.73779 0.19360 0.00062 231.16583 106.51513 -999.00000 18.07807 21.32666 19.82706 2.33465 48.47000 22.27950 34.46730 23.74088 0.22338 0.00067 232.84496 106.96807 -999.00000 15.54149 18.45910 17.10685 1.60338 53.67000 21.80570 34.50230 23.90039 0.29040 0.00062 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