# 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 11:06:05 # original profile science log name: f8146.113.20220129T194020.science.mat # profile date(gmt): 29-Jan-2022 16:19:41 # profile lat: 19.7422 # profile lon: -135.411 # profile number: 113 # 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 4.47000 23.82990 34.31210 23.17396 0.17929 0.00066 213.29442 100.83605 0.03365 -999.00000 -999.00000 -999.00000 16.16711 9.09000 23.83150 34.31330 23.17468 0.19360 0.00054 213.15461 100.77703 0.03569 -999.00000 -999.00000 -999.00000 15.22583 13.92000 23.83350 34.31160 23.17310 0.20393 0.00046 213.12833 100.76802 0.03822 -999.00000 -999.00000 -999.00000 11.37011 18.34000 23.83510 34.31310 23.17403 0.20979 0.00050 213.11102 100.76365 0.03615 -999.00000 -999.00000 -999.00000 9.05900 23.90000 23.83520 34.31400 23.17503 0.26094 0.00058 213.05118 100.73548 0.03541 -999.00000 -999.00000 -999.00000 6.07408 29.27000 23.83670 34.31200 23.17342 0.32477 0.00058 213.01801 100.71698 0.03473 -999.00000 -999.00000 -999.00000 3.96246 34.40000 23.83680 34.31190 23.17364 0.21780 0.00063 212.96013 100.68840 0.03299 -999.00000 -999.00000 -999.00000 2.74592 38.99000 23.83800 34.31210 23.17372 0.20871 0.00075 212.85667 100.63969 0.03429 -999.00000 -999.00000 -999.00000 2.07910 44.10000 23.83770 34.31330 23.17502 0.20217 0.00070 212.94187 100.69443 0.03338 -999.00000 -999.00000 -999.00000 1.40870 49.52000 23.85370 34.32850 23.18215 0.23646 0.00046 213.07432 100.83070 0.03394 -999.00000 -999.00000 -999.00000 1.02914 54.50000 23.92580 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