# 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 11:07:14 # original profile science log name: f8146.436.20220505T071004.science.mat # profile date(gmt): 05-May-2022 04:48:02 # profile lat: 21.2973 # profile lon: -136.5045 # profile number: 436 # 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 2.62000 21.77940 34.49450 23.89899 0.13785 0.00088 216.10887 98.70950 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 7.89000 21.77810 34.49620 23.90093 0.13821 0.00066 215.48355 98.42617 -999.00000 -999.00000 -999.00000 -999.00000 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52.84000 21.26310 34.59240 24.11849 0.20097 0.00054 217.54293 98.52930 -999.00000 -999.00000 -999.00000 0.00367 -999.00000 57.44000 21.26310 34.59230 24.11866 0.20038 0.00094 217.72031 98.60131 -999.00000 -999.00000 -999.00000 0.00280 -999.00000 62.44000 21.25440 34.59470 24.12313 0.24469 0.00119 218.07528 98.73598 -999.00000 -999.00000 -999.00000 0.00285 -999.00000 67.84000 21.22750 34.59890 24.13396 0.20168 0.00062 217.99095 98.66514 -999.00000 -999.00000 -999.00000 0.00303 -999.00000 72.63000 21.22090 34.59980 24.13671 0.21780 0.00066 217.79579 98.56724 -999.00000 -999.00000 -999.00000 0.00321 -999.00000 77.18000 21.21770 34.60000 24.13797 0.20978 0.00062 217.80614 98.55970 -999.00000 -999.00000 -999.00000 0.00358 -999.00000 82.01000 21.20360 34.60290 24.14429 0.22676 0.00071 217.78729 98.52839 -999.00000 -999.00000 -999.00000 0.00396 -999.00000 86.60000 21.19160 34.60410 24.14872 0.29863 0.00071 217.25064 98.26132 -999.00000 -999.00000 -999.00000 0.00435 -999.00000 91.15000 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