# 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 11:07:39 # original profile science log name: f8146.555.20220530T231026.science.mat # profile date(gmt): 30-May-2022 20:16:05 # profile lat: 21.1642 # profile lon: -136.6291 # profile number: 555 # 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 3.79000 22.59010 34.29980 23.52335 0.10436 0.00079 231.43490 107.10616 -999.00000 110.08725 125.90385 129.33505 97.43450 8.83000 22.55830 34.29850 23.53169 0.12100 0.00088 236.06109 109.17261 -999.00000 120.22702 144.19501 148.86646 90.25044 13.75000 22.50140 34.29640 23.54652 0.10438 0.00071 237.25834 109.61298 -999.00000 97.05315 117.29166 119.55652 58.39010 18.41000 22.46410 34.29580 23.55689 0.09924 0.00071 237.08154 109.46822 -999.00000 77.91693 94.47508 95.48268 38.52444 22.77000 22.44540 34.29480 23.56168 0.13849 0.00078 237.21285 109.49535 -999.00000 67.74012 82.92092 83.57218 27.95065 28.54000 22.43080 34.29370 23.56532 0.12855 0.00092 235.51026 108.63980 -999.00000 57.82185 72.19412 73.03691 18.99161 33.59000 22.41470 34.29270 23.56940 0.17074 0.00092 233.11041 107.09269 -999.00000 51.66794 65.58707 66.95693 14.25271 37.99000 21.86600 34.47310 23.86058 0.21058 0.00101 232.54601 106.17879 -999.00000 39.54083 50.29531 51.18737 9.20221 43.35000 21.59120 34.55740 24.00115 0.21366 0.00083 232.73971 105.91524 -999.00000 30.29893 39.51247 40.90975 5.71801 47.13000 21.50370 34.57690 24.04032 0.27389 0.00078 231.35542 105.13572 -999.00000 28.94447 38.85028 41.29586 5.15935 52.60500 21.40380 34.63340 24.11102 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