# 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 11:07:11 # original profile science log name: f8146.424.20220503T202534.science.mat # profile date(gmt): 03-May-2022 17:32:20 # profile lat: 21.2694 # profile lon: -136.5164 # profile number: 424 # 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 3.21000 21.88740 34.45950 23.84237 0.09680 0.00066 265.32482 121.40363 -999.00000 -999.00000 -999.00000 -999.00000 41.01465 7.90000 21.88340 34.45820 23.84276 0.11192 0.00062 277.51966 126.97166 -999.00000 -999.00000 -999.00000 -999.00000 27.86380 13.02000 21.87580 34.45820 23.84515 0.13728 0.00067 279.75844 127.98322 -999.00000 -999.00000 -999.00000 -999.00000 17.90341 17.91000 21.87560 34.45790 23.84524 0.12908 0.00058 274.74512 125.68753 -999.00000 -999.00000 -999.00000 -999.00000 13.17811 22.70000 21.87610 34.45750 23.84507 0.14520 0.00058 278.00389 127.17718 -999.00000 -999.00000 -999.00000 -999.00000 9.57860 27.75000 21.87760 34.45820 23.84547 0.16015 0.00062 279.92321 128.04531 -999.00000 -999.00000 -999.00000 -999.00000 8.22888 32.93000 21.86430 34.45970 23.85060 0.19360 0.00067 278.94000 127.55313 -999.00000 -999.00000 -999.00000 -999.00000 6.84105 38.04000 21.84280 34.46960 23.86438 0.19360 0.00067 275.12615 125.62899 -999.00000 -999.00000 -999.00000 -999.00000 5.87146 42.62000 21.67840 34.52190 23.95001 0.19360 0.00074 269.48451 122.67122 -999.00000 -999.00000 -999.00000 -999.00000 4.55974 47.02000 21.43180 34.56370 24.05008 0.20133 0.00058 265.78985 120.66842 -999.00000 -999.00000 -999.00000 -999.00000 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