# 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 11:07:02 # original profile science log name: f8146.379.20220418T092404.science.mat # profile date(gmt): 18-Apr-2022 06:23:00 # profile lat: 20.9276 # profile lon: -135.9854 # profile number: 379 # 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 3.61000 22.52080 34.30690 23.54841 0.16075 0.00066 217.54622 100.53827 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.59000 22.51860 34.30860 23.55061 0.19360 0.00083 217.30452 100.42982 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.60000 22.51990 34.30900 23.55082 0.20128 0.00083 217.13114 100.35253 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.64000 22.52250 34.30810 23.54969 0.18361 0.00079 217.10386 100.34101 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.17000 22.52200 34.30810 23.55009 0.14676 0.00066 217.17445 100.37578 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.68000 22.52450 34.30830 23.54980 0.19360 0.00062 217.11791 100.35250 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.17000 22.52360 34.30820 23.55029 0.18662 0.00078 217.06923 100.33015 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.72000 22.52690 34.30820 23.54967 0.18635 0.00087 217.13164 100.36193 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.29000 22.52610 34.30880 23.55061 0.23564 0.00066 217.11605 100.35343 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.63000 22.52350 34.30840 23.55129 0.22897 0.00058 217.05240 100.32142 -999.00000 -999.00000 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