# 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 11:06:52 # original profile science log name: f8146.333.20220401T011532.science.mat # profile date(gmt): 31-Mar-2022 04:00:40 # profile lat: 20.6191 # profile lon: -135.4199 # profile number: 333 # 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 3.89000 23.07360 34.31450 23.39607 0.18573 0.00067 218.02084 101.73937 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.73000 23.07480 34.31380 23.39548 0.16940 0.00062 218.91117 102.15913 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 14.07000 23.07240 34.31590 23.39807 0.16940 0.00085 218.94610 102.18047 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.31000 23.07540 34.31530 23.39700 0.19050 0.00094 218.59459 102.01722 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.62000 23.07450 34.31570 23.39788 0.24200 0.00055 217.90371 101.69135 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.94000 23.07620 34.31440 23.39673 0.22783 0.00053 217.70269 101.59534 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 34.21000 23.07770 34.31500 23.39707 0.19360 0.00062 216.90989 101.22451 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.99000 23.07160 34.31480 23.39896 0.20180 0.00046 216.82069 101.17494 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.71000 23.06880 34.31260 23.39837 0.22644 0.00059 216.78999 101.15268 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.19000 23.06660 34.31270 23.39934 0.24200 0.00075 216.46182 100.99606 -999.00000 -999.00000 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