# 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 11:08:25 # original profile science log name: f8146.779.20220727T214634.science.mat # profile date(gmt): 27-Jul-2022 21:46:34 # profile lat: 22.143 # profile lon: -136.7209 # profile number: 779 # 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 3.77000 23.50560 34.58170 23.47308 0.06494 0.00037 216.60193 101.98738 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.65000 23.43410 34.58190 23.49440 0.04840 0.00042 217.07505 102.09471 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.31000 23.37390 34.58050 23.51115 0.06395 0.00045 217.48126 102.20446 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.29000 23.34330 34.57840 23.51876 0.09680 0.00071 217.42057 102.12063 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.57000 23.32870 34.57720 23.52241 0.08108 0.00075 217.49158 102.11947 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.33000 23.30760 34.57760 23.52913 0.05593 0.00075 217.87665 102.18248 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.47000 23.17590 34.57970 23.56921 0.09650 0.00066 218.18623 102.06752 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.33000 23.02850 34.58450 23.61570 0.13696 0.00075 218.34199 101.90653 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.95000 22.90330 34.59250 23.65805 0.11322 0.00058 218.79628 101.92563 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.76000 22.81250 34.60910 23.69695 0.10492 0.00058 218.83873 101.85121 -999.00000 -999.00000 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