# 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 11:08:15 # original profile science log name: f8146.732.20220704T010002.science.mat # profile date(gmt): 03-Jul-2022 22:33:59 # profile lat: 22.4126 # profile lon: -137.8595 # profile number: 732 # 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 3.15000 22.54320 34.51150 23.69720 0.12100 0.00133 235.23461 108.91513 -999.00000 68.47687 77.87265 78.06670 61.25967 7.89000 22.53970 34.51240 23.69914 0.13640 0.00112 239.58573 110.91687 -999.00000 65.32398 76.68032 76.73222 46.32888 12.92000 22.52360 34.51200 23.70370 0.16940 0.00128 242.09961 112.04910 -999.00000 56.86071 67.26726 65.78129 30.68418 18.19000 22.49940 34.51130 23.71034 0.16184 0.00149 241.63047 111.77728 -999.00000 50.63068 60.36930 57.95395 20.84282 23.23000 22.47300 34.51100 23.71789 0.16364 0.00148 240.76377 111.25289 -999.00000 48.98891 59.35064 56.95492 16.36398 27.30000 22.38360 34.52070 23.75081 0.20677 0.00140 241.22165 111.18725 -999.00000 42.01206 50.51359 47.64217 11.20280 33.18000 22.06130 34.59420 23.89768 0.24200 0.00146 240.99757 110.67073 -999.00000 35.83859 43.33611 40.12847 7.03948 38.09000 22.00600 34.60390 23.92081 0.23451 0.00116 238.36076 109.37484 -999.00000 30.83332 37.49862 34.30263 4.80347 43.08000 21.97850 34.60100 23.92658 0.20925 0.00121 235.30198 107.91730 -999.00000 -999.00000 32.08705 28.94332 -999.00000 47.61000 21.95590 34.60150 23.93352 0.19360 0.00140 233.21732 106.90359 -999.00000 24.41257 30.48859 27.67392 2.51256 51.62000 21.91720 34.60130 23.94440 0.21291 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