# 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 11:06:26 # original profile science log name: f8146.208.20220222T061132.science.mat # profile date(gmt): 22-Feb-2022 03:01:00 # profile lat: 19.0924 # profile lon: -134.7202 # profile number: 208 # 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 3.72000 23.25920 34.28260 23.31825 0.16940 0.00071 215.73328 100.97594 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.67000 23.26930 34.28170 23.31494 0.17753 0.00054 215.65609 100.94869 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.43000 23.27180 34.28090 23.31389 0.18615 0.00067 215.60337 100.92429 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.63000 23.26980 34.28250 23.31599 0.18946 0.00062 215.63500 100.94380 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 24.34000 23.27550 34.28130 23.31378 0.21616 0.00075 215.62105 100.94477 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.69000 23.28230 34.28530 23.31511 0.16940 0.00080 215.57727 100.93096 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 34.63000 23.27720 34.28260 23.31490 0.18613 0.00067 215.56538 100.93354 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 39.26000 23.29750 34.29670 23.31997 0.20267 0.00066 215.41113 100.90321 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 44.38000 23.29770 34.30030 23.32294 0.16078 0.00074 215.40422 100.93449 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.87000 23.32800 34.32730 23.33487 0.17527 0.00062 215.26700 100.92195 -999.00000 -999.00000 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