# 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 11:07:39 # original profile science log name: f8146.558.20220531T081434.science.mat # profile date(gmt): 31-May-2022 05:21:11 # profile lat: 21.1992 # profile lon: -136.6433 # profile number: 558 # 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 3.06000 22.49550 34.29760 23.54850 0.12881 0.00058 215.91654 99.74005 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 7.94000 22.49710 34.29590 23.54703 0.13769 0.00062 215.57505 99.58096 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.92000 22.49740 34.29640 23.54761 0.14676 0.00066 215.43314 99.51639 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.43000 22.49670 34.29670 23.54828 0.17278 0.00065 215.37646 99.48991 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.93000 22.49580 34.29660 23.54878 0.13507 0.00080 215.31098 99.45879 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.24000 22.49800 34.29590 23.54794 0.16940 0.00074 215.47674 99.53024 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.74000 22.49420 34.29620 23.54956 0.17901 0.00078 215.93091 99.65629 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.69000 22.45400 34.29630 23.56124 0.19360 0.00071 217.01089 99.89194 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.35000 22.09270 34.40320 23.74445 0.19360 0.00083 218.82627 100.26091 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.80000 21.85990 34.47800 23.86653 0.19360 0.00092 219.53345 100.30598 -999.00000 -999.00000 -999.00000 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