# 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 11:06:51 # original profile science log name: f8146.329.20220330T181126.science.mat # profile date(gmt): 30-Mar-2022 15:10:52 # profile lat: 20.6022 # profile lon: -135.4098 # profile number: 329 # 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 23.01250 34.28390 23.39046 0.15270 0.00071 217.81036 101.52153 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.61000 23.01140 34.28310 23.39047 0.16138 0.00071 218.64021 101.90932 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.36000 23.01430 34.28210 23.38915 0.16043 0.00067 219.10705 102.13285 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.19000 23.01400 34.28280 23.39005 0.19360 0.00054 219.24180 102.20034 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.87000 23.01530 34.28190 23.38927 0.19360 0.00050 218.99715 102.08453 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.93000 23.01340 34.28380 23.39157 0.20903 0.00062 218.67063 101.93927 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.87000 23.01580 34.28310 23.39064 0.23493 0.00074 217.89381 101.56898 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.15000 23.01840 34.28190 23.38929 0.22468 0.00083 217.56391 101.41232 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.78000 23.01980 34.28160 23.38899 0.23424 0.00071 217.06046 101.17747 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.69000 23.01990 34.28230 23.38978 0.22633 0.00046 216.78630 101.04853 -999.00000 -999.00000 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