# 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 11:06:11 # original profile science log name: f8146.138.20220206T220304.science.mat # profile date(gmt): 06-Feb-2022 19:23:58 # profile lat: 19.466 # profile lon: -134.8368 # profile number: 138 # 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 3.70000 23.43800 34.39120 23.34855 0.19360 0.00066 214.89848 100.96825 0.04273 -999.00000 42.56945 42.32305 30.75398 8.27000 23.43750 34.39220 23.34973 0.20359 0.00048 214.91457 100.98093 0.04498 -999.00000 39.02430 38.68894 22.75126 12.92000 23.43850 34.39180 23.34941 0.23530 0.00052 214.96966 101.00710 0.04350 -999.00000 36.44870 36.04027 16.98402 18.23000 23.43920 34.39180 23.34952 0.23331 0.00079 214.88698 100.96908 0.04473 -999.00000 32.37303 31.89958 11.60932 23.88000 23.44060 34.39240 23.34992 0.18169 0.00071 214.86165 100.95931 0.04249 -999.00000 27.24016 26.72180 7.52455 27.66000 23.44010 34.39300 23.35076 0.20116 0.00067 214.82000 100.93834 0.04224 -999.00000 24.37925 23.85846 5.63527 33.81000 23.44140 34.39130 23.34947 0.19777 0.00074 214.76051 100.90935 0.04206 -999.00000 20.30730 19.81259 3.52504 38.45000 23.44340 34.39270 23.35023 0.19750 0.00081 214.71431 100.88210 0.04214 -999.00000 18.01786 17.54862 2.54963 43.41000 23.43110 34.39240 23.35388 0.21998 0.00047 214.67902 100.85283 0.04144 -999.00000 15.44502 14.99796 1.77108 47.55000 23.43150 34.39190 23.35363 0.20083 0.00048 214.70118 100.85848 0.04095 -999.00000 13.19264 12.76147 1.28057 53.71000 23.42930 34.39160 23.35442 0.22584 0.00087 214.68688 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