# 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 11:07:55 # original profile science log name: f8146.639.20220623T191904.science.mat # profile date(gmt): 23-Jun-2022 16:55:28 # profile lat: 22.5333 # profile lon: -137.2378 # profile number: 639 # 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 3.41000 22.31160 34.47600 23.73589 0.14562 0.00058 242.88131 111.98674 -999.00000 54.89961 61.83494 61.45287 46.10713 8.13000 22.31210 34.47480 23.73511 0.11349 0.00058 245.55782 113.21906 -999.00000 46.07197 52.03848 51.18865 30.66367 12.77000 22.31070 34.47580 23.73652 0.14520 0.00062 244.77940 112.85846 -999.00000 40.25443 45.64372 44.51414 21.51086 18.10000 22.31350 34.47510 23.73550 0.13765 0.00075 242.00407 111.57953 -999.00000 34.72481 39.60496 38.19276 14.07684 23.23000 22.31350 34.47400 23.73495 0.12100 0.00075 238.62672 110.01617 -999.00000 29.79159 34.16191 32.62708 9.36328 27.98000 22.31200 34.47480 23.73625 0.13668 0.00054 235.83323 108.72611 -999.00000 25.96162 29.88694 28.33111 6.74481 32.84000 22.31360 34.47410 23.73555 0.16182 0.00046 233.54139 107.66817 -999.00000 22.61704 26.17834 24.62274 4.75504 37.77000 22.31090 34.47570 23.73780 0.15282 0.00054 230.95956 106.47566 -999.00000 19.86298 23.14836 21.60107 3.25074 42.85000 22.31340 34.47420 23.73624 0.17860 0.00075 229.57757 105.82759 -999.00000 17.19756 20.15024 18.66629 2.25943 46.98000 22.30640 34.47300 23.73754 0.19938 0.00077 228.88770 105.48367 -999.00000 15.26888 17.97183 16.56148 1.71648 53.42000 22.27760 34.47070 23.74428 0.21780 0.00062 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