# 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 11:07:05 # original profile science log name: f8146.394.20220420T050458.science.mat # profile date(gmt): 20-Apr-2022 02:36:29 # profile lat: 20.9382 # profile lon: -136.0125 # profile number: 394 # 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 4.16000 22.57610 34.33340 23.55284 0.13279 0.00058 215.58405 99.75415 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.39000 22.58390 34.33510 23.55215 0.08775 0.00062 215.04766 99.51248 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.50000 22.57920 34.33410 23.55301 0.10616 0.00059 214.87455 99.41463 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.72000 22.56590 34.33450 23.55739 0.12100 0.00042 215.04517 99.44597 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.52000 22.51100 34.34040 23.57773 0.18707 0.00054 215.31081 99.50116 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.56000 22.48500 34.33960 23.58479 0.12100 0.00054 215.25261 99.44392 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.41000 22.49080 34.34420 23.58692 0.11350 0.00059 215.31264 99.49957 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.57000 22.52630 34.36760 23.59489 0.13099 0.00047 215.01420 99.38318 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.02000 22.47560 34.40580 23.63849 0.18569 0.00071 215.01021 99.33465 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.75000 22.44560 34.41070 23.65097 0.15271 0.00071 214.99822 99.30069 -999.00000 -999.00000 -999.00000 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