# 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 11:08:14 # original profile science log name: f8146.726.20220703T100702.science.mat # profile date(gmt): 03-Jul-2022 07:42:30 # profile lat: 22.4768 # profile lon: -137.8563 # profile number: 726 # 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 3.11000 22.46960 34.50810 23.71551 0.20887 0.00128 215.44717 99.61282 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.18000 22.46990 34.50850 23.71602 0.23212 0.00135 215.01323 99.41296 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.02000 22.46900 34.50980 23.71748 0.21134 0.00127 214.94246 99.38034 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.71000 22.47170 34.50800 23.71567 0.19360 0.00134 215.24443 99.50478 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.04000 22.46730 34.50750 23.71684 0.19360 0.00124 216.55142 99.86992 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.83000 22.08160 34.55150 23.85927 0.20959 0.00145 218.35649 100.26722 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.51000 22.02380 34.58630 23.90215 0.25984 0.00116 218.32657 100.15823 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 36.85000 21.96290 34.59460 23.92573 0.27554 0.00119 218.33427 100.10667 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.06000 21.95150 34.60630 23.93809 0.23387 0.00137 218.47142 100.15476 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 46.82000 21.94790 34.60860 23.94111 0.22994 0.00123 218.89533 100.26558 -999.00000 -999.00000 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