# 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 11:06:43 # original profile science log name: f8146.289.20220325T095222.science.mat # profile date(gmt): 25-Mar-2022 06:36:12 # profile lat: 20.503 # profile lon: -135.4635 # profile number: 289 # 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 3.39000 23.07040 34.25460 23.35158 0.24200 0.00062 216.04418 100.76499 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.42000 23.06810 34.25640 23.35390 0.25086 0.00066 215.99473 100.74513 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.71000 23.07020 34.25690 23.35392 0.26620 0.00055 215.91683 100.71169 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.92000 23.07400 34.25510 23.35182 0.25748 0.00055 215.96257 100.73416 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.22000 23.07240 34.25600 23.35323 0.24200 0.00071 216.00466 100.75539 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.74000 23.07330 34.25630 23.35353 0.23451 0.00078 215.91126 100.71380 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.73000 23.07370 34.25660 23.35394 0.23602 0.00086 215.87384 100.69716 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.90000 23.07420 34.25640 23.35389 0.27250 0.00061 215.86405 100.69323 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.74000 23.07790 34.25420 23.35150 0.27731 0.00044 215.90998 100.71601 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 49.36000 23.07940 34.25610 23.35283 0.24971 0.00071 215.89677 100.71550 -999.00000 -999.00000 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