# 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 11:07:08 # original profile science log name: f8146.407.20220421T191202.science.mat # profile date(gmt): 21-Apr-2022 16:17:50 # profile lat: 20.9118 # profile lon: -136.1118 # profile number: 407 # 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 3.59000 22.37720 34.41370 23.67010 0.12844 0.00079 239.55263 110.53290 -999.00000 28.81430 -999.00000 43.66554 42.29629 8.21000 22.37570 34.41470 23.67155 0.09680 0.00066 250.66726 115.66156 -999.00000 26.50931 -999.00000 40.46600 32.03306 12.54000 22.37610 34.41400 23.67114 0.11198 0.00062 252.55471 116.53059 -999.00000 23.37549 -999.00000 35.71834 23.15680 17.64000 22.37710 34.41400 23.67114 0.15223 0.00071 252.26391 116.40059 -999.00000 20.29483 -999.00000 31.04953 16.09072 23.15000 22.37600 34.41540 23.67283 0.15400 0.00063 251.23432 115.92528 -999.00000 17.95847 -999.00000 27.62418 11.18762 28.18000 22.37800 34.41440 23.67180 0.12100 0.00051 247.10292 114.01628 -999.00000 16.92690 -999.00000 26.38537 8.50957 32.51000 22.38030 34.41370 23.67087 0.14212 0.00062 242.83848 112.04808 -999.00000 15.29278 -999.00000 24.06430 6.35583 37.93000 22.37950 34.41440 23.67193 0.18632 0.00067 237.57723 109.61601 -999.00000 12.80961 -999.00000 20.21485 4.19315 43.06000 22.37570 34.41550 23.67413 0.16940 0.00055 233.02498 107.50973 -999.00000 10.29768 -999.00000 16.20276 2.69069 48.34000 22.37710 34.41490 23.67357 0.15299 0.00059 228.96879 105.63704 -999.00000 8.07390 -999.00000 12.65723 1.62749 53.06000 22.37780 34.41430 23.67318 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