# 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 11:07:33 # original profile science log name: f8146.525.20220527T071604.science.mat # profile date(gmt): 27-May-2022 04:20:47 # profile lat: 20.8519 # profile lon: -136.5411 # profile number: 525 # 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 3.58000 22.52730 34.26950 23.51820 0.08888 0.00071 217.06293 100.30399 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.47000 22.52710 34.27020 23.51906 0.09660 0.00071 216.78015 100.17531 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.31000 22.52950 34.27040 23.51880 0.13781 0.00071 216.57414 100.07400 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.55000 22.51570 34.26910 23.52202 0.12100 0.00079 216.51718 100.00472 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.51000 22.46550 34.26590 23.53411 0.13598 0.00088 216.75845 100.04064 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.68000 22.44140 34.26550 23.54093 0.17806 0.00071 216.83779 100.03646 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.15000 22.42680 34.26390 23.54411 0.20881 0.00075 216.95494 100.04684 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.24000 22.39930 34.26770 23.55505 0.23530 0.00087 217.62736 100.24210 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 44.02000 22.29290 34.30450 23.61332 0.22660 0.00091 219.16765 100.63492 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.42000 22.18540 34.34070 23.67128 0.25122 0.00088 221.14660 101.02854 -999.00000 -999.00000 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