# 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 11:07:59 # original profile science log name: f8146.656.20220625T175028.science.mat # profile date(gmt): 25-Jun-2022 15:26:22 # profile lat: 22.7214 # profile lon: -137.256 # profile number: 656 # 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 3.14000 22.36020 34.47920 23.72458 0.03585 0.00066 243.70684 112.45927 -999.00000 101.93710 120.93733 127.03628 98.86745 8.35000 22.33630 34.48030 23.73246 0.12100 0.00079 248.88521 114.83473 -999.00000 94.20543 114.41832 118.43461 72.90755 12.70000 22.33410 34.47850 23.73196 0.12100 0.00071 249.23911 114.97707 -999.00000 75.08573 90.89521 92.56565 -999.00000 18.07000 22.32820 34.47780 23.73340 0.11395 0.00071 249.20726 114.94565 -999.00000 71.68946 88.23267 89.38294 34.13655 23.37000 22.32330 34.47570 23.73349 0.11248 0.00067 246.30671 113.59223 -999.00000 66.73232 83.42659 84.44485 25.82974 28.31000 22.31780 34.47630 23.73578 0.16329 0.00054 241.95487 111.57241 -999.00000 53.99396 67.47762 67.20090 15.91712 32.59000 22.31590 34.47430 23.73504 0.19360 0.00054 239.43366 110.39404 -999.00000 41.68080 51.75227 50.61097 9.68799 37.38000 22.31130 34.47560 23.73759 0.18460 0.00066 238.08509 109.76232 -999.00000 34.83335 43.44173 42.14122 6.54598 41.68000 22.31130 34.47340 23.73617 0.18195 0.00065 237.85776 109.57044 -999.00000 28.07862 34.86185 33.60578 4.23211 47.85000 22.20050 34.47280 23.76727 0.22982 0.00071 235.86762 108.07659 -999.00000 19.68886 23.72836 23.06114 2.16962 51.07000 21.80930 34.50630 23.90228 0.25979 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