# 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 11:07:44 # original profile science log name: f8146.580.20220603T000752.science.mat # profile date(gmt): 02-Jun-2022 21:13:44 # profile lat: 21.5608 # profile lon: -136.7614 # profile number: 580 # 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 3.84000 22.64970 34.30190 23.50798 0.11319 0.00071 234.60202 108.64234 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.80000 22.59080 34.29870 23.52260 0.17322 0.00071 240.74183 111.38070 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.36000 22.53680 34.29890 23.53835 0.23716 0.00071 242.38632 112.08691 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.78000 22.53030 34.29900 23.54052 0.10998 0.00074 239.97117 110.95529 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.44000 22.52570 34.29940 23.54245 0.15237 0.00083 237.03626 109.56921 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.84000 22.52330 34.29800 23.54239 0.16940 0.00092 237.79320 109.84588 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.53000 22.48970 34.30000 23.55370 0.19411 0.00104 237.72086 109.49352 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.23000 22.19310 34.35090 23.67630 0.25952 0.00091 232.44392 106.60114 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.65000 21.96560 34.38360 23.76509 0.26721 0.00087 229.23263 104.92848 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.66000 21.92010 34.39450 23.78634 0.22652 0.00104 229.73842 105.01241 -999.00000 -999.00000 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