# 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 11:06:20 # original profile science log name: f8146.178.20220217T101920.science.mat # profile date(gmt): 16-Feb-2022 12:33:11 # profile lat: 19.3323 # profile lon: -134.7443 # profile number: 178 # 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 3.45000 23.32280 34.24750 23.27321 0.16060 0.00063 215.17002 100.79360 0.04018 -999.00000 -999.00000 0.00125 -999.00000 8.73000 23.32580 34.24700 23.27227 0.16849 0.00065 215.03342 100.72877 0.09421 -999.00000 -999.00000 0.00094 -999.00000 12.72000 23.32120 34.24760 23.27430 0.18634 0.00058 214.96203 100.69588 0.26188 -999.00000 -999.00000 0.00086 -999.00000 19.04000 23.32910 34.24830 23.27291 0.14520 0.00067 214.80393 100.62196 0.13885 -999.00000 -999.00000 0.00143 -999.00000 23.48000 23.32330 34.24660 23.27358 0.14520 0.00056 214.80358 100.62352 1.17237 -999.00000 -999.00000 0.00054 -999.00000 29.01000 23.32600 34.24690 23.27338 0.17064 0.00055 214.80862 100.62881 -999.00000 -999.00000 -999.00000 0.00159 -999.00000 34.34000 23.32710 34.24710 23.27353 0.20806 0.00066 214.80595 100.62832 -999.00000 -999.00000 -999.00000 0.00123 -999.00000 39.11000 23.32710 34.24600 23.27298 0.19726 0.00048 214.61515 100.55708 0.29752 -999.00000 -999.00000 0.00140 -999.00000 44.36000 23.32740 34.24520 23.27260 0.22590 0.00063 214.41360 100.58087 0.17443 -999.00000 -999.00000 0.00170 -999.00000 49.23000 23.43220 34.36210 23.33096 0.21933 0.00071 214.23121 100.67978 0.04707 -999.00000 -999.00000 0.00164 -999.00000 53.33000 23.49660 34.41510 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