# 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 11:06:36 # original profile science log name: f8146.255.20220311T094434.science.mat # profile date(gmt): 11-Mar-2022 02:15:57 # profile lat: 19.8147 # profile lon: -135.0473 # profile number: 255 # 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 23.22650 34.15850 23.23372 0.20165 0.00075 215.95527 100.93430 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.59000 23.23020 34.15920 23.23347 0.20931 0.00083 215.78166 100.86197 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.07000 23.23400 34.15770 23.23150 0.18734 0.00074 215.58984 100.77407 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.95000 23.23490 34.15770 23.23158 0.18529 0.00058 215.50852 100.73623 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.66000 23.23240 34.15910 23.23366 0.21780 0.00079 215.46922 100.71709 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.05000 23.23200 34.15930 23.23420 0.21124 0.00067 215.35723 100.66509 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.95000 23.23160 34.16020 23.23535 0.20089 0.00062 215.17766 100.58257 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 39.18000 23.23460 34.15900 23.23388 0.21780 0.00064 215.15656 100.57387 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 44.40000 23.23510 34.15970 23.23458 0.22505 0.00057 215.05720 100.53203 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 49.74000 23.23890 34.16180 23.23538 0.24965 0.00071 214.86930 100.45058 -999.00000 -999.00000 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