# 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 11:08:04 # original profile science log name: f8146.680.20220628T090222.science.mat # profile date(gmt): 28-Jun-2022 06:37:23 # profile lat: 22.8484 # profile lon: -137.4256 # profile number: 680 # 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 3.65000 22.76090 34.48940 23.61840 0.13715 0.00083 213.85020 99.35262 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.38000 22.75630 34.48850 23.61931 0.12900 0.00079 213.71775 99.17542 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.06000 22.58500 34.48660 23.66699 0.15965 0.00067 214.27886 99.17983 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.34000 22.45750 34.48510 23.70236 0.17071 0.00058 214.59453 99.16873 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.24000 22.43220 34.48620 23.71065 0.13720 0.00071 214.75571 99.20169 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.02000 22.41420 34.48410 23.71443 0.17729 0.00096 214.97381 99.25455 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.93000 22.37360 34.48210 23.72467 0.15105 0.00085 215.11380 99.27117 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 36.57000 22.36840 34.48240 23.72658 0.11006 0.00074 215.19770 99.29331 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.41000 22.35390 34.47950 23.72881 0.15730 0.00086 216.19708 99.58644 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.81000 22.05470 34.47330 23.80862 0.20186 0.00091 219.38944 100.45920 -999.00000 -999.00000 -999.00000 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