# 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 11:08:00 # original profile science log name: f8146.658.20220625T234202.science.mat # profile date(gmt): 25-Jun-2022 20:49:27 # profile lat: 22.7354 # profile lon: -137.2682 # profile number: 658 # 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 3.58000 22.57480 34.48350 23.66701 0.07260 0.00071 244.09206 112.93281 -999.00000 112.75262 128.33597 127.31954 -999.00000 8.19000 22.40860 34.47980 23.71163 0.06458 0.00071 251.16923 115.98763 -999.00000 110.16758 126.60301 128.17026 78.24951 13.02000 22.38290 34.47890 23.71849 0.07938 0.00071 250.18470 115.48610 -999.00000 95.52362 109.97354 109.10068 52.63878 18.02000 22.36710 34.48070 23.72460 0.12290 0.00067 246.83137 113.91212 -999.00000 83.67582 96.78021 95.38291 37.26579 23.23000 22.35720 34.47850 23.72603 0.09551 0.00054 241.23845 111.30192 -999.00000 54.49665 62.16916 59.36659 17.66533 28.30000 22.34220 34.47540 23.72820 0.16215 0.00059 239.35119 110.39997 -999.00000 45.86148 52.76422 50.10994 12.15561 32.87000 22.33350 34.47560 23.73107 0.18560 0.00079 239.25932 110.33707 -999.00000 41.67789 48.32998 45.54457 9.02019 37.71000 22.32330 34.47320 23.73240 0.16940 0.00066 240.77387 111.00801 -999.00000 34.43338 40.14495 37.38130 5.92437 42.13000 22.31390 34.47470 23.73644 0.16940 0.00058 240.16664 110.62045 -999.00000 28.07063 32.77023 30.12408 3.91609 48.30000 22.17020 34.47270 23.77574 0.19997 0.00058 237.76987 108.95346 -999.00000 22.75577 26.88670 24.53076 2.37746 52.10000 21.79640 34.51830 23.91504 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