# 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 11:07:28 # original profile science log name: f8146.503.20220513T210552.science.mat # profile date(gmt): 13-May-2022 00:08:22 # profile lat: 20.7636 # profile lon: -136.4683 # profile number: 503 # 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 3.72000 22.17380 34.27840 23.62476 0.12100 0.00063 306.44861 140.77931 -999.00000 86.99761 100.33166 103.70955 78.44715 8.42000 22.17420 34.27720 23.62400 0.12816 0.00067 336.56382 154.60931 -999.00000 76.86113 89.90029 93.36434 57.84496 13.83000 22.16540 34.27940 23.62844 0.15269 0.00062 353.33500 162.21439 -999.00000 60.07498 71.39726 74.03137 35.70253 19.00000 22.08910 34.30080 23.66637 0.16052 0.00071 341.42202 156.35851 -999.00000 46.24728 55.76395 57.73200 21.69298 23.36000 21.86600 34.37230 23.78321 0.15394 0.00066 322.76815 147.29130 -999.00000 37.96802 46.09670 47.70340 15.19883 27.79000 21.64110 34.47600 23.92466 0.17840 0.00068 307.04358 139.74326 -999.00000 32.48741 39.73002 41.10242 10.68862 32.09000 21.49530 34.56760 24.03477 0.20029 0.00069 292.30781 132.90418 -999.00000 28.61869 35.09535 36.23514 7.93994 37.88000 21.47210 34.57840 24.04968 0.23247 0.00045 281.36096 127.89360 -999.00000 23.04587 28.38566 29.11360 4.92900 43.16000 21.46290 34.57710 24.05150 0.26620 0.00065 270.34544 122.87104 -999.00000 18.74922 23.22599 23.71577 3.10501 46.70000 21.46320 34.57830 24.05252 0.25556 0.00058 266.33311 121.04790 -999.00000 16.66019 20.70470 21.11220 2.38407 52.42500 21.46360 34.58015 24.05412 0.25702 0.00058 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