# 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 11:06:12 # original profile science log name: f8146.142.20220207T094012.science.mat # profile date(gmt): 07-Feb-2022 07:06:04 # profile lat: 19.464 # profile lon: -134.807 # profile number: 142 # 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 3.81000 23.35980 34.38900 23.36965 0.22386 0.00058 214.88593 100.81885 0.04389 -999.00000 -999.00000 -999.00000 -999.00000 8.80000 23.36140 34.38880 23.36933 0.18445 0.00058 214.84119 100.80020 0.04064 -999.00000 -999.00000 -999.00000 -999.00000 13.88000 23.36550 34.38760 23.36753 0.19679 0.00054 214.70910 100.74124 0.04130 -999.00000 -999.00000 -999.00000 -999.00000 18.97000 23.36870 34.38710 23.36652 0.22158 0.00056 214.59901 100.69409 0.04018 -999.00000 -999.00000 -999.00000 -999.00000 23.44000 23.36840 34.38820 23.36772 0.19360 0.00075 214.59780 100.69559 0.04005 -999.00000 -999.00000 -999.00000 -999.00000 28.48000 23.37040 34.38730 23.36678 0.21259 0.00073 214.62195 100.70726 0.03911 -999.00000 -999.00000 -999.00000 -999.00000 33.25000 23.36860 34.38930 23.36911 0.25045 0.00063 214.57767 100.68812 0.03786 -999.00000 -999.00000 -999.00000 -999.00000 38.75000 23.36930 34.38940 23.36931 0.25767 0.00062 214.58923 100.69300 0.03805 -999.00000 -999.00000 -999.00000 -999.00000 44.20000 23.37010 34.38970 23.36963 0.22311 0.00056 214.60049 100.69529 0.03804 -999.00000 -999.00000 -999.00000 -999.00000 49.12000 23.36770 34.39410 23.37395 0.21222 0.00066 215.00557 100.88060 0.03973 -999.00000 -999.00000 -999.00000 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