# 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: f8146.659.20220626T021052.science.mat # profile date(gmt): 25-Jun-2022 23:44:46 # profile lat: 22.7476 # profile lon: -137.2722 # profile number: 659 # 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 3.31000 22.59910 34.48290 23.65962 0.12915 0.00054 243.75301 112.83162 -999.00000 45.66568 54.18226 -999.00000 40.77196 8.06000 22.43970 34.48100 23.70372 0.14520 0.00050 246.61439 113.93333 -999.00000 38.64409 45.16499 -999.00000 26.25353 13.10000 22.38720 34.48090 23.71879 0.15278 0.00066 241.15807 111.33584 -999.00000 36.15933 42.61876 -999.00000 19.22311 18.21000 22.37700 34.48070 23.72181 0.15407 0.00079 233.84401 107.93360 -999.00000 29.66674 34.64708 -999.00000 11.73816 23.26000 22.36970 34.47870 23.72265 0.13613 0.00067 229.03259 105.69357 -999.00000 -999.00000 27.94327 -999.00000 7.20500 28.38000 22.36350 34.48040 23.72598 0.16940 0.00062 226.58468 104.55274 -999.00000 22.28688 26.35077 -999.00000 5.21711 33.27000 22.35600 34.47900 23.72732 0.16940 0.00067 224.73068 103.67569 -999.00000 22.05941 26.81381 -999.00000 4.27348 38.02000 22.34260 34.47500 23.72834 0.16940 0.00068 223.48146 103.07201 -999.00000 18.73618 22.94464 -999.00000 2.91922 42.18000 22.33610 34.47420 23.72980 0.19380 0.00075 223.02406 102.84131 -999.00000 14.68029 17.70215 -999.00000 1.82005 46.94000 22.31790 34.47440 23.73536 0.22452 0.00067 223.32457 102.95119 -999.00000 11.56373 13.84822 -999.00000 1.12680 51.37000 22.31280 34.47260 23.73568 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