# 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 11:06:15 # original profile science log name: f8146.158.20220209T083402.science.mat # profile date(gmt): 09-Feb-2022 05:39:12 # profile lat: 19.4569 # profile lon: -134.7447 # profile number: 158 # 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 3.90000 23.26530 34.33180 23.35376 0.21439 0.00071 215.24741 100.78676 0.04445 -999.00000 -999.00000 -999.00000 -999.00000 8.37000 23.26950 34.33080 23.35205 0.24200 0.00071 215.19108 100.76194 0.04285 -999.00000 -999.00000 -999.00000 -999.00000 13.71000 23.26980 34.33100 23.35243 0.24200 0.00071 215.12341 100.73200 0.04320 -999.00000 -999.00000 -999.00000 -999.00000 18.71000 23.27040 34.33050 23.35217 0.26107 0.00076 215.11594 100.73097 0.04386 -999.00000 -999.00000 -999.00000 -999.00000 23.46000 23.27110 34.33880 23.35855 0.25345 0.00083 215.00378 100.68707 0.04406 -999.00000 -999.00000 -999.00000 -999.00000 28.41000 23.27370 34.33900 23.35826 0.20249 0.00079 214.98993 100.68265 0.04475 -999.00000 -999.00000 -999.00000 -999.00000 33.50000 23.27570 34.33960 23.35844 0.21780 0.00071 214.99930 100.68818 0.04376 -999.00000 -999.00000 -999.00000 -999.00000 38.60000 23.27320 34.36820 23.38114 0.25250 0.00071 214.93737 100.67599 0.04266 -999.00000 -999.00000 -999.00000 -999.00000 42.45000 23.27240 34.37900 23.38978 0.30467 0.00063 214.84756 100.64267 0.04357 -999.00000 -999.00000 -999.00000 -999.00000 48.77000 23.27590 34.39070 23.39800 0.34723 0.00050 214.78124 100.63956 0.04154 -999.00000 -999.00000 -999.00000 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