# 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 11:08:24 # original profile science log name: f8146.773.20220718T131154.science.mat # profile date(gmt): 17-Jul-2022 16:16:15 # profile lat: 22.368 # profile lon: -136.9325 # profile number: 773 # 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 3.88000 22.61830 34.59970 23.74277 0.14031 0.00061 216.70605 100.52554 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 7.89000 22.63150 34.60100 23.74022 0.15422 0.00050 216.62374 100.50486 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.99000 22.63580 34.59910 23.73785 0.14451 0.00050 216.55694 100.47552 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.85000 22.63650 34.59950 23.73823 0.17665 0.00042 216.42582 100.41549 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.19000 22.63490 34.60110 23.74015 0.16040 0.00066 216.50141 100.45179 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.11000 22.63760 34.59970 23.73860 0.18596 0.00079 216.58850 100.49229 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.18000 22.63760 34.60140 23.74019 0.16940 0.00067 216.62728 100.50993 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.75000 22.63620 34.60460 23.74333 0.17962 0.00064 217.08313 100.71404 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 41.54000 22.63700 34.60600 23.74439 0.18675 0.00060 218.17899 101.13714 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.11000 22.60320 34.61340 23.75995 0.18035 0.00039 221.48177 102.17286 -999.00000 -999.00000 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