# 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 11:08:26 # original profile science log name: f8146.784.20220801T082432.science.mat # profile date(gmt): 31-Jul-2022 11:21:32 # profile lat: 21.8533 # profile lon: -136.5289 # profile number: 784 # 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 4.02000 23.29350 34.59730 23.54669 0.19447 0.00058 215.13163 100.95262 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.75000 23.29330 34.59790 23.54749 0.16697 0.00076 215.10409 100.94043 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.90000 23.29470 34.59670 23.54648 0.20177 0.00062 215.08813 100.93310 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.73000 23.29780 34.59710 23.54617 0.16940 0.00071 215.20387 100.99040 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.36000 23.29420 34.59830 23.54840 0.16200 0.00067 215.37448 101.05968 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.41000 23.29430 34.59560 23.54663 0.13705 0.00062 216.18376 101.27805 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.16000 23.12360 34.59380 23.59500 0.15496 0.00066 217.58062 101.56547 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.72000 22.89390 34.60240 23.66795 0.20173 0.00062 218.07210 101.59071 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.46000 22.82800 34.61100 23.69365 0.17624 0.00064 218.29299 101.57941 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.84000 22.75440 34.62280 23.72397 0.20365 0.00056 218.55504 101.59489 -999.00000 -999.00000 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