# 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 11:08:36 # original profile science log name: f8146.834.20220808T085254.science.mat # profile date(gmt): 08-Aug-2022 05:53:11 # profile lat: 20.5951 # profile lon: -135.7896 # profile number: 834 # 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 3.68000 23.38860 34.59490 23.51720 0.15363 0.00075 213.09893 100.16786 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.59000 23.39480 34.59380 23.51486 0.14571 0.00083 213.01376 100.13169 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.29000 23.39540 34.59410 23.51519 0.17942 0.00083 212.95097 100.10349 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.67000 23.39650 34.59410 23.51519 0.16192 0.00087 213.06313 100.15164 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.07000 23.38830 34.59420 23.51792 0.19360 0.00092 213.19995 100.19366 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.66000 23.36730 34.59460 23.52468 0.21222 0.00083 213.70913 100.34946 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.82000 23.30950 34.59160 23.53946 0.24939 0.00091 214.69254 100.59265 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.98000 23.04450 34.58220 23.60933 0.24452 0.00104 216.13817 100.91490 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.15000 22.95690 34.66600 23.69837 0.21919 0.00100 218.23596 101.53817 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.61000 22.70310 34.64320 23.75409 0.28926 0.00102 221.94649 102.33613 -999.00000 -999.00000 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