# 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: f8146.157.20220209T053530.science.mat # profile date(gmt): 09-Feb-2022 03:00:47 # profile lat: 19.4573 # profile lon: -134.7536 # profile number: 157 # 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 3.82000 23.27590 34.32920 23.34871 0.19739 0.00063 215.37710 100.86338 0.04758 -999.00000 -999.00000 -999.00000 -999.00000 8.80000 23.27930 34.32740 23.34666 0.24200 0.00071 215.33121 100.84236 0.04815 -999.00000 -999.00000 -999.00000 -999.00000 14.07000 23.27950 34.32670 23.34638 0.23061 0.00082 215.26648 100.81310 0.04979 -999.00000 -999.00000 -999.00000 -999.00000 18.15000 23.27850 34.32830 23.34813 0.21780 0.00087 215.24820 100.80755 0.04697 -999.00000 -999.00000 -999.00000 -999.00000 23.65000 23.28260 34.33100 23.34932 0.24642 0.00066 215.23114 100.80461 0.04564 -999.00000 -999.00000 -999.00000 -999.00000 28.44000 23.28390 34.33050 23.34887 0.26216 0.00063 215.15867 100.77276 0.04548 -999.00000 -999.00000 -999.00000 -999.00000 33.25000 23.28500 34.33090 23.34914 0.20926 0.00071 215.04274 100.71968 0.04594 -999.00000 -999.00000 -999.00000 -999.00000 38.69000 23.28290 34.34630 23.36174 0.20302 0.00076 215.02228 100.72050 0.04696 -999.00000 -999.00000 -999.00000 -999.00000 43.54000 23.28350 34.35490 23.36837 0.24697 0.00073 215.01995 100.72554 0.04588 -999.00000 -999.00000 -999.00000 -999.00000 48.12000 23.28390 34.37790 23.38594 0.31505 0.00054 214.97849 100.72294 0.04304 -999.00000 -999.00000 -999.00000 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