# 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 11:07:12 # original profile science log name: f8146.428.20220504T081850.science.mat # profile date(gmt): 04-May-2022 05:27:03 # profile lat: 21.287 # profile lon: -136.5118 # profile number: 428 # 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 3.63000 21.57040 34.52330 23.97884 0.18055 0.00059 218.59302 99.49874 -999.00000 0.01645 -999.00000 0.00221 -999.00000 7.01000 21.57310 34.52150 23.97691 0.20335 0.00061 218.03691 99.24479 -999.00000 0.01649 -999.00000 0.00225 -999.00000 12.59500 21.57410 34.52095 23.97651 0.19030 0.00060 217.93818 99.18844 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.18000 21.57510 34.52040 23.97611 0.17724 0.00058 217.83945 99.13211 -999.00000 0.01651 -999.00000 0.00382 -999.00000 23.12000 21.54610 34.52950 23.99131 0.17041 0.00062 217.71371 99.01039 -999.00000 0.01713 -999.00000 0.00345 -999.00000 28.05000 21.49320 34.53990 24.01407 0.14483 0.00063 217.54055 98.85187 -999.00000 0.01715 -999.00000 0.00323 -999.00000 32.76000 21.45560 34.54750 24.03046 0.20987 0.00050 217.50659 98.72940 -999.00000 0.01692 -999.00000 0.00366 -999.00000 37.52000 21.37450 34.56530 24.06654 0.23392 0.00062 218.40620 98.99790 -999.00000 0.01662 -999.00000 0.00313 -999.00000 42.31000 21.30100 34.58300 24.10041 0.22556 0.00067 219.10902 99.22856 -999.00000 0.01635 -999.00000 0.00337 -999.00000 47.30000 21.23930 34.59770 24.12874 0.24200 0.00062 219.36866 99.31117 -999.00000 0.01627 -999.00000 0.00341 -999.00000 52.58000 21.23010 34.60270 24.13533 0.24925 0.00082 219.15140 99.20526 -999.00000 0.01664 -999.00000 0.00441 -999.00000 57.92000 21.23050 34.60230 24.13520 0.25838 0.00100 219.13315 99.19136 -999.00000 0.01697 -999.00000 0.00355 -999.00000 62.79000 21.22540 34.60480 24.13876 0.26466 0.00075 219.21618 99.22410 -999.00000 0.01640 -999.00000 0.00338 -999.00000 67.66000 21.22140 34.60240 24.13828 0.30646 0.00058 219.16160 99.19113 -999.00000 0.01577 -999.00000 0.00288 -999.00000 72.26000 21.21920 34.60350 24.13996 0.29040 0.00062 219.08339 99.15343 -999.00000 0.01577 -999.00000 0.00430 -999.00000 77.49000 21.21860 34.60360 24.14048 0.29040 0.00066 219.04160 99.13399 -999.00000 0.01603 -999.00000 0.00451 -999.00000 81.82000 21.21900 34.60250 24.13977 0.29668 0.00061 218.97522 99.10226 -999.00000 0.01612 -999.00000 0.00416 -999.00000 87.68000 21.21930 34.60180 24.13946 0.32753 0.00071 218.87079 99.03867 -999.00000 0.01605 -999.00000 0.00358 -999.00000 93.45000 21.19310 34.59590 24.14243 0.41080 0.00067 218.99454 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