# 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 11:05:45 # original profile science log name: f8146.015.20211127T125634.science.mat # profile date(gmt): 27-Nov-2021 10:32:35 # profile lat: 19.3773 # profile lon: -138.4993 # profile number: 015 # 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 2.81000 23.70760 34.91620 23.66704 0.15216 0.00058 212.63171 100.69980 0.03228 -999.00000 -999.00000 -999.00000 -999.00000 8.20000 23.71250 34.91390 23.66419 0.13151 0.00069 212.56661 100.67049 0.03258 -999.00000 -999.00000 -999.00000 -999.00000 12.62000 23.71160 34.91740 23.66737 0.15442 0.00059 212.58676 100.67795 0.03222 -999.00000 -999.00000 -999.00000 -999.00000 17.66000 23.71360 34.91580 23.66587 0.15956 0.00041 212.91322 100.76543 0.03221 -999.00000 -999.00000 -999.00000 -999.00000 22.38000 23.62830 34.95800 23.72318 0.14520 0.00071 213.19480 100.81221 0.03172 -999.00000 -999.00000 -999.00000 -999.00000 27.46000 23.57510 34.97920 23.75516 0.11687 0.00056 213.46789 100.88565 0.03259 -999.00000 -999.00000 -999.00000 -999.00000 32.38000 23.55550 34.98550 23.76598 0.09915 0.00042 214.02592 101.09005 0.03363 -999.00000 -999.00000 -999.00000 -999.00000 37.63000 23.49350 35.04340 23.82830 0.14520 0.00048 214.63434 101.32733 0.03417 -999.00000 -999.00000 -999.00000 -999.00000 42.17000 23.45190 35.06390 23.85626 0.15380 0.00051 214.77186 101.36234 0.03456 -999.00000 -999.00000 -999.00000 -999.00000 47.49000 23.44580 35.06440 23.85874 0.17718 0.00087 214.89694 101.40575 0.03301 -999.00000 -999.00000 -999.00000 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