# 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 11:06:12 # original profile science log name: f8146.143.20220207T124202.science.mat # profile date(gmt): 07-Feb-2022 09:44:30 # profile lat: 19.466 # profile lon: -134.8022 # profile number: 143 # 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 3.68000 23.35360 34.38950 23.37182 0.20326 0.00071 214.79584 100.76658 0.03962 -999.00000 -999.00000 -999.00000 -999.00000 8.49000 23.35740 34.39030 23.37161 0.20886 0.00107 214.71596 100.73403 0.03872 -999.00000 -999.00000 -999.00000 -999.00000 13.69000 23.35900 34.38910 23.37055 0.20293 0.00137 214.60507 100.68454 0.03885 -999.00000 -999.00000 -999.00000 -999.00000 18.67000 23.36240 34.39060 23.37099 0.21780 0.00079 214.54842 100.66848 0.03823 -999.00000 -999.00000 -999.00000 -999.00000 23.95000 23.36750 34.39010 23.36946 0.21780 0.00081 214.56256 100.67894 0.04119 -999.00000 -999.00000 -999.00000 -999.00000 28.84000 23.36890 34.38840 23.36807 0.21780 0.00067 214.55897 100.67634 0.03959 -999.00000 -999.00000 -999.00000 -999.00000 32.98000 23.36740 34.39060 23.37042 0.21780 0.00044 214.51838 100.65951 0.03913 -999.00000 -999.00000 -999.00000 -999.00000 37.59000 23.36810 34.38920 23.36944 0.22486 0.00058 214.55486 100.67661 0.03864 -999.00000 -999.00000 -999.00000 -999.00000 44.17000 23.37050 34.39110 23.37057 0.22447 0.00067 214.46299 100.63659 0.04046 -999.00000 -999.00000 -999.00000 -999.00000 49.47000 23.36870 34.39260 23.37254 0.17276 0.00083 214.47377 100.63795 0.03828 -999.00000 -999.00000 -999.00000 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