# 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 11:06:16 # original profile science log name: f8146.160.20220209T143432.science.mat # profile date(gmt): 09-Feb-2022 11:39:46 # profile lat: 19.4539 # profile lon: -134.7364 # profile number: 160 # 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 4.32000 23.22130 34.31590 23.35448 0.19360 0.00068 215.22227 100.68458 0.04097 -999.00000 -999.00000 -999.00000 -999.00000 9.07000 23.22210 34.31800 23.35613 0.18361 0.00063 215.19542 100.67721 0.04082 -999.00000 -999.00000 -999.00000 -999.00000 13.64000 23.22520 34.31780 23.35535 0.17843 0.00052 215.11315 100.64507 0.03983 -999.00000 -999.00000 -999.00000 -999.00000 18.65000 23.22900 34.32240 23.35803 0.17404 0.00078 215.08293 100.64148 0.03954 -999.00000 -999.00000 -999.00000 -999.00000 23.40000 23.23250 34.32110 23.35632 0.16213 0.00079 215.09178 100.64917 0.04009 -999.00000 -999.00000 -999.00000 -999.00000 28.81000 23.23650 34.32900 23.36149 0.19360 0.00080 215.02950 100.63248 0.04001 -999.00000 -999.00000 -999.00000 -999.00000 33.29000 23.23790 34.33420 23.36529 0.19360 0.00058 214.91183 100.58546 0.04111 -999.00000 -999.00000 -999.00000 -999.00000 38.54000 23.24270 34.34100 23.36936 0.17761 0.00058 214.85291 100.56966 0.03992 -999.00000 -999.00000 -999.00000 -999.00000 44.27000 23.24690 34.34860 23.37424 0.17274 0.00063 214.70768 100.52426 0.04470 -999.00000 -999.00000 -999.00000 -999.00000 49.20000 23.26490 34.39600 23.40523 0.23676 0.00076 214.54511 100.50011 0.03887 -999.00000 -999.00000 -999.00000 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