# 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 11:07:48 # original profile science log name: f8146.602.20220605T141326.science.mat # profile date(gmt): 05-Jun-2022 11:17:22 # profile lat: 21.9139 # profile lon: -136.9612 # profile number: 602 # 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 22.46690 34.31150 23.56716 0.16940 0.00063 213.03805 98.37115 -999.00000 -999.00000 -999.00000 0.01398 -999.00000 8.18000 22.46950 34.31020 23.56572 0.18661 0.00059 212.69081 98.21222 -999.00000 -999.00000 -999.00000 0.00972 -999.00000 12.68000 22.46980 34.31060 23.56619 0.21021 0.00079 212.65794 98.19825 -999.00000 -999.00000 -999.00000 0.00717 -999.00000 17.78000 22.47130 34.31020 23.56574 0.20158 0.00071 212.63940 98.19002 -999.00000 -999.00000 -999.00000 0.00580 -999.00000 22.63000 22.46990 34.31230 23.56801 0.19576 0.00067 212.68722 98.21423 -999.00000 -999.00000 -999.00000 0.00455 -999.00000 27.90000 22.47070 34.31180 23.56771 0.16583 0.00069 212.72265 98.22938 -999.00000 -999.00000 -999.00000 0.00408 -999.00000 33.53000 22.46950 34.31280 23.56913 0.21067 0.00088 212.77565 98.24877 -999.00000 -999.00000 -999.00000 0.00388 -999.00000 38.96000 22.47130 34.31170 23.56810 0.22669 0.00075 213.67768 98.50603 -999.00000 -999.00000 -999.00000 0.00377 -999.00000 43.64000 22.23560 34.35990 23.67147 0.27300 0.00083 215.43603 98.90379 -999.00000 -999.00000 -999.00000 0.00413 -999.00000 48.09000 21.97890 34.41040 23.78202 0.24200 0.00083 216.37390 98.92426 -999.00000 -999.00000 -999.00000 0.00380 -999.00000 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