# 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 11:06:53 # original profile science log name: f8146.337.20220404T142356.science.mat # profile date(gmt): 03-Apr-2022 17:19:46 # profile lat: 20.6003 # profile lon: -135.5344 # profile number: 337 # 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 3.45000 22.91180 34.33070 23.45486 0.21844 0.00075 215.82172 100.42653 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.38000 22.89400 34.32970 23.45950 0.18838 0.00083 215.67849 100.35454 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.46000 22.91470 34.33160 23.45523 0.21090 0.00080 215.60887 100.34499 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.07000 22.91450 34.33200 23.45592 0.20089 0.00067 215.61323 100.34875 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.38000 22.91670 34.33080 23.45469 0.21780 0.00054 215.49190 100.29185 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.75000 22.91710 34.33060 23.45469 0.21070 0.00046 215.43893 100.26848 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.20000 22.91700 34.33150 23.45572 0.20107 0.00042 215.51322 100.30544 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.38000 22.91970 34.32980 23.45396 0.21013 0.00049 215.47035 100.28466 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.43000 22.91870 34.33090 23.45538 0.19360 0.00083 215.43508 100.26938 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.57000 22.91760 34.33080 23.45591 0.18595 0.00079 215.48765 100.29365 -999.00000 -999.00000 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