# 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 11:06:48 # original profile science log name: f8146.312.20220328T110950.science.mat # profile date(gmt): 28-Mar-2022 08:00:05 # profile lat: 20.5529 # profile lon: -135.3704 # profile number: 312 # 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 4.19000 23.06660 34.24760 23.34742 0.23414 0.00067 215.87397 100.67932 -999.00000 -999.00000 -999.00000 -0.00002 -999.00000 8.78000 23.07000 34.24640 23.34580 0.20503 0.00074 215.76269 100.62708 -999.00000 -999.00000 -999.00000 0.00073 -999.00000 12.99000 23.06650 34.24710 23.34758 0.26620 0.00062 215.77578 100.63360 -999.00000 -999.00000 -999.00000 0.00134 -999.00000 19.05000 23.07200 34.24560 23.34521 0.25148 0.00071 215.82162 100.65803 -999.00000 -999.00000 -999.00000 0.00143 -999.00000 24.31000 23.07020 34.24730 23.34734 0.24122 0.00071 215.74730 100.62591 -999.00000 -999.00000 -999.00000 0.00107 -999.00000 29.27000 23.07340 34.24640 23.34604 0.25624 0.00065 215.71001 100.61129 -999.00000 -999.00000 -999.00000 0.00078 -999.00000 32.67000 23.07210 34.24790 23.34775 0.23762 0.00058 215.70134 100.61126 -999.00000 -999.00000 -999.00000 0.00116 -999.00000 38.53000 23.08040 34.24840 23.34608 0.30456 0.00055 215.56585 100.56063 -999.00000 -999.00000 -999.00000 0.00191 -999.00000 44.00000 23.08820 34.25420 23.34855 0.32306 0.00054 215.38705 100.49296 -999.00000 -999.00000 -999.00000 0.00114 -999.00000 48.92000 23.09080 34.25840 23.35127 0.30617 0.00067 215.32253 100.47463 -999.00000 -999.00000 -999.00000 0.00073 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