# 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 11:06:52 # original profile science log name: f8146.335.20220402T195704.science.mat # profile date(gmt): 01-Apr-2022 22:46:21 # profile lat: 20.6154 # profile lon: -135.484 # profile number: 335 # 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 4.25000 23.01080 34.32250 23.42024 0.08979 0.00054 219.30704 102.24191 -999.00000 55.63819 75.51982 80.69527 67.07219 8.61000 23.00280 34.32120 23.42181 0.11162 0.00065 221.29392 103.16601 -999.00000 48.99146 66.97207 71.51942 48.95957 12.74000 22.99910 34.32230 23.42395 0.09680 0.00082 222.00841 103.49824 -999.00000 43.31002 59.65657 63.58083 36.23020 18.51000 23.00110 34.32120 23.42288 0.11075 0.00046 221.04004 103.04266 -999.00000 -999.00000 -999.00000 -999.00000 22.80730 23.98000 22.99980 34.32280 23.42479 0.13567 0.00056 220.56044 102.81064 -999.00000 30.90645 43.45835 46.19649 15.62508 27.92000 22.99140 34.32100 23.42608 0.13447 0.00067 220.35466 102.70383 -999.00000 26.93052 38.11297 40.51269 11.57761 33.67000 22.99740 34.32090 23.42462 0.17662 0.00062 219.51245 102.31214 -999.00000 21.57093 30.73791 32.67776 7.44493 39.03000 22.99270 34.32120 23.42652 0.19360 0.00063 218.60320 101.88079 -999.00000 17.71507 25.45269 27.08290 4.79596 43.95000 22.99210 34.32210 23.42766 0.20983 0.00058 218.02677 101.61096 -999.00000 15.02389 21.73073 23.15557 3.33855 48.72000 22.99420 34.32100 23.42650 0.22600 0.00067 217.34715 101.29193 -999.00000 12.77133 18.61295 19.87657 2.30121 53.56000 22.99300 34.32200 23.42788 0.20928 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