# 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 11:08:13 # original profile science log name: f8146.724.20220703T051132.science.mat # profile date(gmt): 03-Jul-2022 02:17:11 # profile lat: 22.5028 # profile lon: -137.8452 # profile number: 724 # 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 3.28000 22.50350 34.50720 23.70522 0.23470 0.00129 215.79152 99.83109 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.40000 22.50680 34.50740 23.70473 0.22588 0.00129 215.42839 99.66769 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.19000 22.50670 34.50700 23.70472 0.22679 0.00145 215.47959 99.68443 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.28000 22.50420 34.50760 23.70617 0.19360 0.00141 215.87939 99.82084 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.13000 22.45420 34.50930 23.72193 0.18604 0.00137 217.17757 100.16460 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.25000 22.12760 34.54860 23.84419 0.17774 0.00141 218.49110 100.37650 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.89000 22.04350 34.56340 23.87927 0.20162 0.00141 218.51992 100.28327 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.72000 21.99530 34.58540 23.90974 0.23370 0.00145 218.35998 100.14552 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.51000 21.94950 34.59760 23.93207 0.25103 0.00120 218.29488 100.07071 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.44000 21.94040 34.60680 23.94187 0.23471 0.00120 218.48516 100.15064 -999.00000 -999.00000 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