# 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: f8146.727.20220703T123726.science.mat # profile date(gmt): 03-Jul-2022 10:11:59 # profile lat: 22.4696 # profile lon: -137.8628 # profile number: 727 # 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 3.28000 22.44390 34.51080 23.72486 0.19066 0.00125 215.47009 99.58344 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 7.56000 22.44230 34.51030 23.72517 0.16038 0.00137 214.97685 99.35711 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.66000 22.44920 34.51050 23.72366 0.19360 0.00141 214.82007 99.29300 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.70000 22.45210 34.50910 23.72206 0.20138 0.00137 214.86853 99.31316 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.68000 22.44900 34.51100 23.72466 0.21780 0.00152 215.07019 99.40216 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.17000 22.45010 34.50990 23.72383 0.20916 0.00148 215.59349 99.59571 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.65000 22.41160 34.51220 23.73674 0.19360 0.00116 216.85189 99.90091 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.45000 22.03390 34.58200 23.89634 0.20258 0.00137 218.05122 100.05871 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 41.76000 21.98310 34.59340 23.91945 0.21780 0.00140 218.01436 99.98808 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 46.91500 21.96425 34.59970 23.92978 0.23502 0.00140 218.33919 100.06783 -999.00000 -999.00000 -999.00000 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