# 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 11:06:29 # original profile science log name: f8146.223.20220224T060648.science.mat # profile date(gmt): 24-Feb-2022 02:40:03 # profile lat: 18.9491 # profile lon: -134.8123 # profile number: 223 # 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 3.71000 23.38430 34.16550 23.19326 0.13509 0.00057 215.46761 100.98447 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 9.01000 23.38790 34.16630 23.19314 0.18325 0.00076 215.49213 101.00078 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 14.60000 23.38520 34.16980 23.19691 0.21780 0.00064 215.36395 100.94426 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.14000 23.38910 34.16730 23.19409 0.21780 0.00074 215.36284 100.94180 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.75000 23.38320 34.17240 23.20002 0.20440 0.00076 215.37405 100.94464 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 29.45000 23.38420 34.17220 23.19994 0.18394 0.00062 215.48593 100.99286 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 34.51000 23.37660 34.18370 23.21115 0.20323 0.00071 215.48990 100.96869 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 39.64000 23.34340 34.23430 23.25942 0.16114 0.00071 215.55483 100.97930 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 44.25000 23.32530 34.25720 23.28229 0.16883 0.00067 215.50084 100.95461 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 49.00000 23.32380 34.26710 23.29050 0.21780 0.00062 215.54839 100.99371 -999.00000 -999.00000 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