# 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 11:06:04 # original profile science log name: f8146.107.20220129T002132.science.mat # profile date(gmt): 28-Jan-2022 21:18:22 # profile lat: 19.78 # profile lon: -135.5251 # profile number: 107 # 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 3.38000 23.90060 34.27010 23.12128 0.17809 0.00075 212.82102 100.70607 0.04211 -999.00000 -999.00000 -999.00000 -999.00000 9.20000 23.90000 34.27090 23.12243 0.13519 0.00064 212.77731 100.69229 0.04400 -999.00000 -999.00000 -999.00000 -999.00000 13.84000 23.90000 34.26930 23.12150 0.14528 0.00079 212.80460 100.72164 0.04147 -999.00000 -999.00000 -999.00000 -999.00000 19.50000 23.90260 34.27020 23.12176 0.18471 0.00100 212.77924 100.71747 0.04373 -999.00000 -999.00000 -999.00000 -999.00000 24.59000 23.89230 34.27180 23.12633 0.17941 0.00093 212.61464 100.62162 0.04185 -999.00000 -999.00000 -999.00000 -999.00000 29.23000 23.88470 34.27190 23.12894 0.17444 0.00071 212.63325 100.61775 0.04027 -999.00000 -999.00000 -999.00000 -999.00000 34.08000 23.88190 34.27410 23.13173 0.16219 0.00071 212.65894 100.62783 0.04097 -999.00000 -999.00000 -999.00000 -999.00000 39.55000 23.87970 34.27630 23.13438 0.20276 0.00066 212.61267 100.58510 0.04092 -999.00000 -999.00000 -999.00000 -999.00000 44.54000 23.87860 34.28090 23.13849 0.22631 0.00063 212.51381 100.55164 0.04014 -999.00000 -999.00000 -999.00000 -999.00000 49.85000 23.88290 34.28690 23.14209 0.28414 0.00076 212.79399 100.75831 0.03926 -999.00000 -999.00000 -999.00000 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