# 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 11:06:37 # original profile science log name: f8146.263.20220312T224232.science.mat # profile date(gmt): 12-Mar-2022 19:29:51 # profile lat: 20.0643 # profile lon: -135.0325 # profile number: 263 # 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 3.24000 23.30490 34.26850 23.29429 0.09680 0.00083 216.19798 101.27661 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 9.15000 23.30570 34.26920 23.29495 0.10444 0.00075 216.34661 101.36239 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 14.22000 23.30600 34.26900 23.29501 0.12100 0.00058 216.52380 101.44623 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 19.09000 23.31100 34.26930 23.29407 0.12100 0.00054 216.40358 101.37931 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 24.03000 23.29350 34.26590 23.29688 0.12100 0.00058 216.38276 101.34982 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.93000 23.28790 34.26450 23.29775 0.12859 0.00079 216.46381 101.37555 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 34.03000 23.28580 34.26420 23.29844 0.14520 0.00071 216.41818 101.35348 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.87000 23.28720 34.26550 23.29924 0.15199 0.00071 216.30855 101.29756 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.57000 23.28610 34.26570 23.30005 0.17710 0.00067 216.17636 101.23600 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.60000 23.28870 34.26600 23.29982 0.20060 0.00066 216.07991 101.18974 -999.00000 -999.00000 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