# 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 11:08:12 # original profile science log name: f8146.717.20220702T112356.science.mat # profile date(gmt): 02-Jul-2022 08:57:53 # profile lat: 22.5957 # profile lon: -137.8271 # profile number: 717 # 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 3.88000 22.48840 34.50060 23.70454 0.20998 0.00104 213.11102 98.56030 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.75000 22.48880 34.50120 23.70515 0.17788 0.00112 212.54241 98.30253 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.51000 22.48950 34.50260 23.70629 0.17487 0.00107 212.31911 98.20657 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.65000 22.49600 34.50080 23.70337 0.24200 0.00125 212.41558 98.24808 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.49000 22.49100 34.50170 23.70575 0.20526 0.00112 212.60601 98.33132 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.68000 22.49500 34.50210 23.70521 0.15612 0.00116 213.15639 98.57124 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.95000 22.49820 34.49800 23.70144 0.21780 0.00120 214.25455 98.82088 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.70000 22.07870 34.56140 23.86816 0.21004 0.00133 215.62915 99.03729 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.52000 22.06270 34.56930 23.87891 0.20248 0.00112 215.85519 99.09038 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 46.88000 22.01710 34.57450 23.89587 0.23247 0.00113 216.43177 99.23481 -999.00000 -999.00000 -999.00000 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