# 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 11:07:00 # original profile science log name: f8146.370.20220417T060804.science.mat # profile date(gmt): 17-Apr-2022 03:12:23 # profile lat: 20.9222 # profile lon: -135.9723 # profile number: 370 # 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 3.29000 22.43510 34.29940 23.56700 0.17735 0.00075 218.07378 100.63278 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.16000 22.43560 34.29870 23.56660 0.19360 0.00054 217.87094 100.53893 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.64000 22.43580 34.29950 23.56740 0.20988 0.00054 217.79833 100.50623 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.16000 22.43620 34.29610 23.56496 0.22850 0.00078 217.78861 100.49964 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.69000 22.43910 34.29660 23.56483 0.18710 0.00092 217.82555 100.51743 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.57000 22.43510 34.29770 23.56714 0.18336 0.00072 217.85335 100.52686 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.92000 22.43360 34.29650 23.56696 0.20970 0.00063 217.83967 100.51661 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.70000 22.43310 34.29840 23.56882 0.19360 0.00083 217.84372 100.51823 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.34000 22.43030 34.29760 23.56926 0.16225 0.00082 217.70262 100.44513 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.44000 22.42310 34.29760 23.57158 0.21321 0.00070 217.81081 100.45090 -999.00000 -999.00000 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