# 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 11:07:41 # original profile science log name: f8146.568.20220601T133256.science.mat # profile date(gmt): 01-Jun-2022 10:41:12 # profile lat: 21.3517 # profile lon: -136.6956 # profile number: 568 # 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 3.78000 22.54570 34.28860 23.52747 0.17709 0.00079 216.16840 99.93854 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.47000 22.54900 34.28890 23.52703 0.13620 0.00086 215.85569 99.79979 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.77000 22.55200 34.28710 23.52505 0.12816 0.00078 215.82881 99.78463 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.18000 22.55050 34.28840 23.52677 0.13874 0.00089 216.15613 99.92343 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 24.17000 22.55360 34.28590 23.52434 0.16297 0.00071 217.86163 100.37785 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.86000 22.15920 34.36040 23.69245 0.20956 0.00067 219.82372 100.75721 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.56000 21.85190 34.47720 23.86732 0.20051 0.00069 220.67388 100.79870 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.16000 21.72470 34.52200 23.93701 0.23272 0.00092 221.03907 100.77616 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.35000 21.62830 34.55110 23.98610 0.25707 0.00083 221.35949 100.81847 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.51000 21.56590 34.56470 24.01391 0.25068 0.00074 222.03351 101.00138 -999.00000 -999.00000 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