# 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 11:08:18 # original profile science log name: f8146.745.20220705T102852.science.mat # profile date(gmt): 05-Jul-2022 08:04:06 # profile lat: 22.266 # profile lon: -137.8185 # profile number: 745 # 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 3.98000 22.46820 34.52650 23.72992 0.20836 0.00138 216.81090 100.25954 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.00000 22.47400 34.52660 23.72858 0.20148 0.00145 216.58373 100.16412 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.75000 22.48090 34.52470 23.72545 0.20139 0.00145 216.58491 100.16703 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.47000 22.47820 34.52490 23.72663 0.18287 0.00145 216.66323 100.20007 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.22000 22.47940 34.52450 23.72631 0.20977 0.00149 216.95313 100.31976 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.96000 22.47280 34.52430 23.72831 0.22387 0.00154 218.22078 100.69041 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.90000 22.09350 34.58550 23.88203 0.27357 0.00149 219.82097 101.00385 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.50000 22.02460 34.59470 23.90858 0.23418 0.00150 219.94816 100.93668 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.37000 21.98590 34.60200 23.92523 0.22624 0.00146 220.04619 100.93268 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 46.73000 21.96920 34.60760 23.93439 0.23324 0.00165 220.09513 100.93908 -999.00000 -999.00000 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