# 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 11:08:37 # original profile science log name: f8146.840.20220809T025002.science.mat # profile date(gmt): 08-Aug-2022 23:44:11 # profile lat: 20.4437 # profile lon: -135.7935 # profile number: 840 # 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 3.25000 23.49460 34.59460 23.48603 0.14520 0.00104 215.61971 101.53120 -999.00000 11.34147 12.59929 12.27491 8.51271 8.52000 23.49260 34.59410 23.48656 0.16898 0.00096 216.28770 101.83135 -999.00000 10.21532 11.35356 10.87950 5.91114 13.24000 23.47920 34.59380 23.49053 0.20978 0.00091 216.23878 101.74806 -999.00000 9.69224 10.80752 10.19762 4.42575 18.07000 23.40600 34.59590 23.51375 0.19360 0.00087 215.79891 101.44868 -999.00000 8.75851 9.76808 9.03382 3.13475 23.17000 23.37930 34.59710 23.52274 0.21033 0.00100 215.51450 101.26334 -999.00000 7.75099 8.61444 7.77027 2.06989 27.80000 23.37020 34.59670 23.52537 0.24200 0.00108 215.79651 101.26440 -999.00000 6.87916 7.66501 6.82632 1.45945 32.50000 23.18100 34.63330 23.60829 0.24200 0.00104 216.32039 101.32236 -999.00000 6.11257 6.85037 6.05496 1.06294 36.99000 23.15910 34.63550 23.61656 0.23540 0.00092 216.16423 101.20851 -999.00000 5.39844 6.06605 5.30363 0.76848 42.56000 23.12410 34.64030 23.63065 0.21780 0.00079 216.21227 101.18338 -999.00000 4.69428 5.30991 4.59547 0.52053 46.94000 23.11620 34.64060 23.63342 0.23005 0.00077 216.14578 101.12775 -999.00000 4.22348 4.79124 4.10526 0.38991 53.18000 23.08170 34.65690 23.65611 0.24653 0.00089 216.40180 101.15768 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