# 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 11:07:24 # original profile science log name: f8146.487.20220511T074204.science.mat # profile date(gmt): 11-May-2022 05:10:58 # profile lat: 20.9354 # profile lon: -136.4319 # profile number: 487 # 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 3.27000 21.42590 34.55810 24.04511 0.21770 0.00071 205.27047 93.21326 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.09000 21.42610 34.55870 24.04577 0.24914 0.00079 203.81469 92.55899 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.63000 21.42740 34.55700 24.04436 0.21780 0.00088 202.97598 92.17773 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.06000 21.43250 34.55680 24.04308 0.21780 0.00071 202.67064 92.04351 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.51000 21.43270 34.55790 24.04416 0.20153 0.00071 203.31397 92.33833 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.27000 21.43440 34.55730 24.04350 0.19623 0.00071 203.45688 92.40605 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.52000 21.43580 34.55690 24.04304 0.22261 0.00077 203.33213 92.35158 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.29000 21.43540 34.55680 24.04338 0.17789 0.00091 203.00283 92.20395 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.77000 21.43750 34.55850 24.04433 0.20125 0.00079 202.92572 92.17461 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.58000 21.44110 34.56150 24.04588 0.20459 0.00064 202.24236 91.87134 -999.00000 -999.00000 -999.00000 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