# 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 11:06:03 # original profile science log name: f8146.104.20220128T145832.science.mat # profile date(gmt): 28-Jan-2022 11:59:34 # profile lat: 19.8019 # profile lon: -135.5735 # profile number: 104 # 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 3.65000 23.87900 34.26600 23.12457 0.22197 0.00071 212.18907 100.35656 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.29000 23.87510 34.26770 23.12729 0.19360 0.00066 212.12798 100.32836 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.14000 23.87630 34.26750 23.12708 0.20474 0.00058 211.99961 100.26941 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.31000 23.87730 34.26770 23.12719 0.21085 0.00058 211.94203 100.24407 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 24.00000 23.88160 34.26560 23.12475 0.20211 0.00058 211.98373 100.26663 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 29.38000 23.88470 34.26930 23.12699 0.22723 0.00058 211.94610 100.25508 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 34.10000 23.88360 34.26870 23.12715 0.22481 0.00054 211.74700 100.16536 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 39.36000 23.88930 34.27790 23.13275 0.19360 0.00056 211.60643 100.12251 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.95000 23.89750 34.29220 23.14144 0.22721 0.00067 211.77017 100.26871 0.15666 -999.00000 -999.00000 -999.00000 -999.00000 49.48000 23.97490 34.36560 23.17447 0.31051 0.00064 212.12579 100.53964 -999.00000 -999.00000 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