# 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 11:07:20 # original profile science log name: f8146.468.20220509T041238.science.mat # profile date(gmt): 09-May-2022 01:50:35 # profile lat: 21.1911 # profile lon: -136.4082 # profile number: 468 # 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 3.03000 21.35470 34.52480 24.03935 0.21932 0.00074 213.90250 96.99392 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 7.32000 21.35740 34.52650 24.04013 0.24653 0.00058 212.97786 96.57973 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 11.14000 21.35700 34.52500 24.03930 0.21780 0.00063 212.26616 96.25518 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 19.41000 21.35800 34.52390 24.03862 0.26394 0.00064 211.23059 95.78120 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 24.15400 21.35436 34.52294 24.03914 0.25611 0.00063 211.39806 95.85096 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.89800 21.35072 34.52198 24.03967 0.24828 0.00063 211.56553 95.92072 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.64200 21.34708 34.52102 24.04019 0.24046 0.00063 211.73300 95.99047 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.38600 21.34344 34.52006 24.04071 0.23263 0.00062 211.90047 96.06021 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.13000 21.33980 34.51910 24.04124 0.22480 0.00062 212.06794 96.12994 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.66000 21.33810 34.52080 24.04329 0.24200 0.00065 212.25376 96.21822 -999.00000 -999.00000 -999.00000 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