# 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 11:06:09 # original profile science log name: f8146.128.20220205T142552.science.mat # profile date(gmt): 05-Feb-2022 11:21:54 # profile lat: 19.4557 # profile lon: -134.9075 # profile number: 128 # 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 4.18000 23.42330 34.33630 23.31129 0.18783 0.00058 214.88237 100.88893 0.04627 -999.00000 -999.00000 -999.00000 -999.00000 8.54000 23.42280 34.33470 23.31048 0.23312 0.00063 214.85846 100.87497 0.04522 -999.00000 -999.00000 -999.00000 -999.00000 13.77000 23.42100 34.33580 23.31215 0.20668 0.00077 214.78242 100.84135 0.04656 -999.00000 -999.00000 -999.00000 -999.00000 17.87000 23.42110 34.33610 23.31259 0.19360 0.00070 214.72458 100.81892 0.04948 -999.00000 -999.00000 -999.00000 -999.00000 23.20000 23.43010 34.33430 23.30894 0.19360 0.00054 214.67103 100.80079 0.04568 -999.00000 -999.00000 -999.00000 -999.00000 28.90000 23.43180 34.33550 23.30972 0.21341 0.00066 214.63447 100.79008 0.04499 -999.00000 -999.00000 -999.00000 -999.00000 33.59000 23.43540 34.33550 23.30895 0.24200 0.00058 214.61924 100.78467 0.04704 -999.00000 -999.00000 -999.00000 -999.00000 38.15000 23.43240 34.33650 23.31086 0.24200 0.00064 214.63034 100.79231 0.04457 -999.00000 -999.00000 -999.00000 -999.00000 42.60000 23.43530 34.33820 23.31157 0.23366 0.00071 214.62806 100.79190 0.04532 -999.00000 -999.00000 -999.00000 -999.00000 48.02000 23.43030 34.33590 23.31160 0.20900 0.00071 214.65988 100.80337 0.04554 -999.00000 -999.00000 -999.00000 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