# 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 11:06:14 # original profile science log name: f8146.153.20220208T175522.science.mat # profile date(gmt): 08-Feb-2022 15:19:05 # profile lat: 19.4598 # profile lon: -134.755 # profile number: 153 # 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 3.73000 23.29890 34.33420 23.34582 0.15945 0.00056 215.06500 100.76815 0.04380 33.06684 38.17540 38.70804 27.82728 8.40000 23.29990 34.33520 23.34657 0.15530 0.00081 215.05580 100.76773 0.04372 30.12032 34.95506 35.03615 19.92339 13.00000 23.29720 34.33640 23.34854 0.18415 0.00092 215.08902 100.78750 0.04368 31.72986 37.34598 37.56980 17.40265 19.22000 23.30020 34.33510 23.34705 0.19009 0.00074 215.02386 100.75562 0.04097 31.24448 37.90343 38.57333 13.63148 24.04000 23.30190 34.33430 23.34625 0.16399 0.00063 214.97272 100.73170 0.04086 24.44158 29.62348 29.77376 8.29337 28.86000 23.30310 34.33940 23.35007 0.18369 0.00071 214.87164 100.69081 0.04039 18.56651 22.63273 22.64270 4.98722 33.47000 23.30860 34.34180 23.35057 0.16940 0.00079 214.81268 100.67638 0.04136 15.30690 18.79101 18.74920 3.46175 39.13000 23.31970 34.35580 23.35829 0.16940 0.00086 214.63900 100.62272 0.04045 11.98313 14.81363 14.66275 2.04955 44.07000 23.33070 34.37040 23.36645 0.16940 0.00065 214.53773 100.58897 0.04059 10.05204 12.50902 12.32127 1.38682 48.01000 23.32560 34.38310 23.37778 0.19259 0.00058 214.63812 100.64068 0.04096 8.60927 10.76005 10.57076 1.05046 53.85000 23.32640 34.40030 23.39093 0.26207 0.00084 215.17858 100.88055 0.03925 6.27658 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