# 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 11:05:47 # original profile science log name: f8146.025.20211128T135056.science.mat # profile date(gmt): 28-Nov-2021 11:25:54 # profile lat: 19.3381 # profile lon: -138.4312 # profile number: 025 # 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 3.73000 23.95840 34.83450 23.53125 0.11890 0.00052 212.31417 100.93485 0.03532 -999.00000 -999.00000 -999.00000 -999.00000 7.84000 23.97000 34.83430 23.52791 0.13731 0.00066 212.37486 100.96774 0.03589 -999.00000 -999.00000 -999.00000 -999.00000 13.65000 23.97270 34.83370 23.52701 0.12100 0.00067 213.06818 101.17675 0.03921 -999.00000 -999.00000 -999.00000 -999.00000 16.60000 23.90780 34.86630 23.57107 0.12100 0.00058 213.99546 101.35351 0.04227 -999.00000 -999.00000 -999.00000 -999.00000 24.43000 23.44180 35.04950 23.84722 0.13944 0.00055 215.54839 101.68761 0.04988 -999.00000 -999.00000 -999.00000 -999.00000 29.34000 23.41790 35.05580 23.85928 0.15085 0.00066 215.67445 101.72327 0.04261 -999.00000 -999.00000 -999.00000 -999.00000 34.35000 23.41190 35.06070 23.86505 0.13013 0.00063 215.73503 101.74526 0.04499 -999.00000 -999.00000 -999.00000 -999.00000 39.44000 23.40980 35.06640 23.87029 0.15419 0.00071 215.74873 101.75195 0.03856 -999.00000 -999.00000 -999.00000 -999.00000 44.61000 23.40850 35.07050 23.87408 0.15139 0.00061 215.62443 101.69075 0.03864 -999.00000 -999.00000 -999.00000 -999.00000 49.77000 23.40380 35.07230 23.87712 0.13915 0.00055 215.64273 101.69550 0.03768 -999.00000 -999.00000 -999.00000 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