# 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 11:07:45 # original profile science log name: f8146.586.20220603T175002.science.mat # profile date(gmt): 03-Jun-2022 14:56:07 # profile lat: 21.6664 # profile lon: -136.812 # profile number: 586 # 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 3.76000 22.49640 34.30050 23.55048 0.13690 0.00079 232.04465 107.20966 -999.00000 57.67196 66.97650 68.91972 51.26698 8.63000 22.49690 34.29980 23.55009 0.17862 0.00071 233.95959 108.08841 -999.00000 41.34692 47.80867 48.20854 -999.00000 12.83000 22.49470 34.30100 23.55186 0.19360 0.00071 234.47604 108.32698 -999.00000 33.69541 39.18256 39.25176 -999.00000 17.96000 22.49540 34.30100 23.55194 0.17957 0.00071 232.13155 107.24350 -999.00000 28.08420 33.11313 33.16807 12.59044 23.48000 22.49760 34.29960 23.55058 0.14520 0.00075 227.95583 105.31105 -999.00000 22.03935 26.38919 26.39139 7.71272 28.29000 22.49680 34.30020 23.55154 0.17522 0.00078 226.04148 104.42203 -999.00000 17.44128 21.10036 21.03108 4.90547 32.16000 22.49490 34.29980 23.55200 0.22354 0.00074 225.50908 104.16253 -999.00000 14.67281 17.87705 17.75399 3.50294 38.91000 22.48290 34.30070 23.55647 0.24200 0.00083 226.40039 104.33488 -999.00000 11.20376 13.85358 13.71680 1.99750 43.58000 22.19430 34.34170 23.66927 0.26057 0.00074 226.02638 103.49839 -999.00000 9.08532 11.38094 11.30031 1.34932 47.75000 21.72890 34.45210 23.88326 0.28297 0.00062 226.83742 103.36599 -999.00000 7.63281 9.67572 9.66436 0.99097 52.96000 21.55220 34.59010 24.03728 0.27595 0.00071 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