# 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 11:06:46 # original profile science log name: f8146.302.20220327T034532.science.mat # profile date(gmt): 27-Mar-2022 00:40:21 # profile lat: 20.5331 # profile lon: -135.3874 # profile number: 302 # 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 3.96000 23.10030 34.22520 23.32072 0.25872 0.00067 216.15176 100.84127 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.96000 23.09440 34.22540 23.32286 0.24200 0.00063 216.13380 100.80722 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.81000 23.05950 34.22750 23.33479 0.25701 0.00071 216.07890 100.74417 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.97000 23.05580 34.23030 23.33828 0.29040 0.00067 216.05847 100.73200 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.99000 23.05540 34.23070 23.33900 0.29040 0.00062 216.05476 100.72919 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.91000 23.05650 34.23330 23.34096 0.29040 0.00071 216.03131 100.72068 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 34.04000 23.05360 34.23700 23.34490 0.30555 0.00079 215.90411 100.66272 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 39.07000 23.05500 34.23840 23.34585 0.32369 0.00084 215.82666 100.63029 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.94000 23.05860 34.24260 23.34828 0.30612 0.00066 215.75873 100.60766 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.70000 23.06110 34.24640 23.35072 0.33880 0.00079 215.65701 100.56608 -999.00000 -999.00000 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