# 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 11:07:29 # original profile science log name: f8146.508.20220518T082720.science.mat # profile date(gmt): 17-May-2022 10:47:53 # profile lat: 20.6749 # profile lon: -136.5308 # profile number: 508 # 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 4.48000 22.32460 34.28100 23.58433 0.17080 0.00080 211.01792 97.17565 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.87000 22.32840 34.27890 23.58190 0.20125 0.00087 209.61219 96.53340 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.55000 22.33320 34.27910 23.58096 0.15998 0.00071 208.87701 96.19869 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.66000 22.32980 34.28030 23.58306 0.16211 0.00066 208.51998 96.03361 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.24000 22.32990 34.28080 23.58367 0.18208 0.00061 208.55410 96.04379 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.96000 22.32320 34.28350 23.58800 0.16157 0.00067 209.36314 96.33011 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.69000 22.24250 34.30130 23.62451 0.20338 0.00068 212.31699 97.20733 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.65000 21.70860 34.45470 23.89032 0.22618 0.00075 214.60637 97.73797 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.27000 21.51810 34.54710 24.01344 0.25020 0.00067 215.19760 97.85663 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 46.99000 21.48820 34.54620 24.02125 0.26620 0.00076 214.96433 97.71374 -999.00000 -999.00000 -999.00000 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