# 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 11:06:51 # original profile science log name: f8146.327.20220330T115602.science.mat # profile date(gmt): 30-Mar-2022 08:52:25 # profile lat: 20.5981 # profile lon: -135.402 # profile number: 327 # 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 4.21000 23.03370 34.28080 23.38205 0.23332 0.00079 216.06412 100.72755 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.67000 23.03410 34.28010 23.38166 0.21780 0.00066 215.95285 100.67852 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.08000 23.03760 34.28090 23.38152 0.21780 0.00058 215.92360 100.67144 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.11000 23.04070 34.28270 23.38228 0.24364 0.00063 215.82223 100.62914 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.46000 23.03910 34.28440 23.38429 0.29040 0.00071 215.80504 100.62274 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.55000 23.03700 34.28270 23.38392 0.27075 0.00074 215.81089 100.62624 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.38000 23.04320 34.28620 23.38514 0.20876 0.00088 215.85861 100.65759 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.53000 23.04640 34.28440 23.38309 0.20634 0.00089 215.79145 100.62536 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.61000 23.04440 34.28290 23.38289 0.23246 0.00071 215.78863 100.62120 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.59000 23.04590 34.28230 23.38223 0.21780 0.00071 215.78511 100.62144 -999.00000 -999.00000 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