# 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 11:06:14 # original profile science log name: f8146.150.20220208T092844.science.mat # profile date(gmt): 08-Feb-2022 06:31:03 # profile lat: 19.4672 # profile lon: -134.7743 # profile number: 150 # 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 3.70000 23.34320 34.36080 23.35311 0.22721 0.00051 214.90206 100.77639 0.04095 -999.00000 -999.00000 -999.00000 -999.00000 8.64000 23.34510 34.36260 23.35421 0.24200 0.00058 214.89915 100.78172 0.04202 -999.00000 -999.00000 -999.00000 -999.00000 13.29000 23.34760 34.36500 23.35558 0.23265 0.00068 214.85584 100.76588 0.04508 -999.00000 -999.00000 -999.00000 -999.00000 18.26000 23.34860 34.36200 23.35331 0.21780 0.00166 214.76964 100.72372 0.04980 -999.00000 -999.00000 -999.00000 -999.00000 22.84000 23.34830 34.36410 23.35527 0.20810 0.00114 214.69006 100.69051 0.04254 -999.00000 -999.00000 -999.00000 -999.00000 27.55000 23.35110 34.36400 23.35468 0.20801 0.00062 214.68570 100.69117 0.04235 -999.00000 -999.00000 -999.00000 -999.00000 33.81000 23.35150 34.36310 23.35427 0.23278 0.00061 214.67881 100.68896 0.04119 -999.00000 -999.00000 -999.00000 -999.00000 38.85000 23.35160 34.36450 23.35560 0.21780 0.00051 214.65398 100.67875 0.04092 -999.00000 -999.00000 -999.00000 -999.00000 43.27000 23.35380 34.36550 23.35598 0.21780 0.00062 214.62005 100.66748 0.04078 -999.00000 -999.00000 -999.00000 -999.00000 49.01000 23.36190 34.38510 23.36881 0.23631 0.00071 214.77096 100.75985 0.04074 -999.00000 -999.00000 -999.00000 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