# 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 11:06:25 # original profile science log name: f8146.203.20220221T141932.science.mat # profile date(gmt): 21-Feb-2022 11:39:59 # profile lat: 19.1619 # profile lon: -134.708 # profile number: 203 # 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 4.53000 23.31750 34.28590 23.30389 0.19360 0.00058 215.17223 100.81330 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 9.10000 23.32300 34.28460 23.30159 0.17811 0.00042 215.15935 100.81014 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 14.10000 23.32390 34.28380 23.30101 0.16107 0.00062 215.11153 100.78863 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.98000 23.32230 34.28570 23.30321 0.19360 0.00075 215.00825 100.74133 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.97000 23.31950 34.28560 23.30425 0.18586 0.00079 215.02915 100.74658 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.89000 23.31760 34.28500 23.30466 0.17740 0.00063 215.00197 100.74467 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.57000 23.34050 34.30320 23.31208 0.19360 0.00059 214.91419 100.75021 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.12000 23.34950 34.31650 23.31981 0.18518 0.00083 214.87136 100.74884 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.49000 23.35340 34.31780 23.31992 0.18883 0.00083 214.86113 100.74969 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.25000 23.35840 34.34980 23.34305 0.23500 0.00076 214.79584 100.74047 -999.00000 -999.00000 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