# 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 11:06:01 # original profile science log name: f8146.094.20220127T050220.science.mat # profile date(gmt): 27-Jan-2022 01:09:40 # profile lat: 19.8698 # profile lon: -135.7398 # profile number: 094 # 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 4.11000 23.78310 34.19850 23.10174 0.23654 0.00063 213.59102 100.81184 -999.00000 0.01842 -999.00000 -999.00000 -999.00000 9.07000 23.78340 34.20000 23.10309 0.25707 0.00071 213.19293 100.62762 -999.00000 0.01770 -999.00000 -999.00000 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54.60000 23.30840 34.27580 23.30188 0.43236 0.00076 215.44412 100.83219 -999.00000 0.01767 -999.00000 -999.00000 -999.00000 59.60000 23.22330 34.30820 23.35137 0.38720 0.00065 216.62640 101.12050 -999.00000 0.01629 -999.00000 -999.00000 -999.00000 63.46000 23.01290 34.46320 23.52975 0.37090 0.00054 217.90761 101.51100 0.21513 0.01553 -999.00000 -999.00000 -999.00000 68.11000 22.90540 34.67670 23.72276 0.33994 0.00170 217.51274 101.29446 0.87680 0.01639 -999.00000 -999.00000 -999.00000 74.43000 22.64170 34.84510 23.92630 0.42618 0.00058 217.51952 101.03722 -999.00000 0.01660 -999.00000 -999.00000 -999.00000 79.36000 22.54880 34.84220 23.95086 0.42937 0.00058 217.40828 100.90648 -999.00000 0.01678 -999.00000 -999.00000 -999.00000 84.45000 22.59360 34.88220 23.96875 0.47117 0.00064 217.07623 100.76571 0.43625 0.01600 -999.00000 -999.00000 -999.00000 88.40500 22.53370 34.89525 23.99591 0.48969 0.00069 217.05840 100.69787 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 92.36000 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