# 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 11:08:23 # original profile science log name: f8146.768.20220714T025924.science.mat # profile date(gmt): 13-Jul-2022 06:02:44 # profile lat: 22.0973 # profile lon: -137.2544 # profile number: 768 # 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 3.47000 22.78220 34.56780 23.67174 0.21033 0.00054 219.08787 101.89078 -999.00000 10.25162 11.42601 11.16930 7.72719 8.28000 22.78520 34.56690 23.67047 0.15937 0.00050 219.07416 101.88779 -999.00000 9.19609 10.20781 9.79515 5.28552 13.55000 22.78720 34.56690 23.67020 0.16807 0.00067 218.90001 101.81003 -999.00000 7.79859 8.67822 8.21628 3.51251 18.10000 22.78600 34.56900 23.67240 0.13649 0.00075 218.74318 101.73967 -999.00000 7.13486 7.96253 7.44219 2.53640 23.02000 22.79150 34.56630 23.66907 0.17833 0.00067 218.62075 101.67954 -999.00000 6.46274 7.20221 6.60122 1.75674 27.14000 22.78660 34.56710 23.67132 0.18632 0.00079 218.63940 101.67527 -999.00000 5.97941 6.66187 6.03291 1.35132 32.27000 22.77390 34.56600 23.67442 0.18218 0.00061 218.73379 101.67978 -999.00000 5.53276 6.21611 5.61398 1.01488 38.25000 22.74250 34.56660 23.68420 0.21780 0.00045 219.25628 101.82726 -999.00000 5.07488 5.77860 5.22137 0.72886 43.15000 22.67170 34.56780 23.70561 0.22575 0.00063 220.13378 102.11102 -999.00000 4.47811 5.12113 4.59769 0.52405 47.94000 22.60000 34.57590 23.73246 0.23131 0.00057 221.32442 102.49463 -999.00000 3.80459 4.36172 3.87769 0.35396 51.38000 22.59340 34.57540 23.73415 0.23633 0.00071 223.24782 102.92531 -999.00000 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