# 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 11:06:55 # original profile science log name: f8146.347.20220413T135326.science.mat # profile date(gmt): 12-Apr-2022 16:04:24 # profile lat: 20.9007 # profile lon: -135.7764 # profile number: 347 # 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 4.52000 22.61260 34.33480 23.54354 0.25072 0.00078 216.68315 100.31052 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.74000 22.60910 34.33540 23.54523 0.24649 0.00056 216.60877 100.27532 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 14.34000 22.60500 34.33550 23.54679 0.20883 0.00083 216.61417 100.28414 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 19.25000 22.62050 34.33500 23.54227 0.25817 0.00079 216.49825 100.24570 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 24.04000 22.61830 34.33610 23.54402 0.28135 0.00066 216.41282 100.20848 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.32000 22.62310 34.33450 23.54169 0.25938 0.00062 216.33156 100.17410 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.92000 22.62480 34.33380 23.54100 0.24200 0.00071 216.29200 100.15447 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.84000 22.61910 34.33600 23.54452 0.24851 0.00071 216.27247 100.14732 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.71000 22.62480 34.33540 23.54277 0.26620 0.00071 216.22539 100.12998 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 49.11000 22.62610 34.33440 23.54195 0.26620 0.00079 216.02208 100.03767 -999.00000 -999.00000 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