# 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 11:06:01 # original profile science log name: f8146.093.20220127T010532.science.mat # profile date(gmt): 26-Jan-2022 21:54:05 # profile lat: 19.878 # profile lon: -135.746 # profile number: 093 # 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 4.49000 23.86820 34.15740 23.04563 0.14520 0.00066 213.67284 100.98649 0.04141 -999.00000 -999.00000 -999.00000 -999.00000 9.68000 23.87080 34.15550 23.04375 0.16472 0.00063 213.55524 100.83565 0.04442 -999.00000 -999.00000 -999.00000 -999.00000 14.44000 23.73660 34.18550 23.10618 0.18339 0.00066 213.59605 100.75107 0.04472 -999.00000 -999.00000 -999.00000 -999.00000 18.91000 23.74700 34.19190 23.10824 0.16940 0.00050 213.50056 100.73640 0.04325 -999.00000 -999.00000 -999.00000 -999.00000 24.53000 23.74710 34.19610 23.11175 0.19767 0.00043 213.43740 100.74408 0.04555 -999.00000 -999.00000 -999.00000 -999.00000 29.38000 23.76780 34.20570 23.11324 0.22405 0.00063 213.48124 100.77105 0.04689 -999.00000 -999.00000 -999.00000 -999.00000 34.42000 23.78190 34.21240 23.11448 0.20259 0.00062 213.40900 100.75428 0.04583 -999.00000 -999.00000 -999.00000 -999.00000 39.51000 23.78380 34.21550 23.11658 0.21780 0.00056 213.38132 100.77123 0.04744 -999.00000 -999.00000 -999.00000 -999.00000 44.28000 23.81430 34.23470 23.12243 0.26037 0.00066 213.91487 100.90749 0.04573 -999.00000 -999.00000 -999.00000 -999.00000 49.51000 23.60180 34.24170 23.19034 0.35739 0.00063 214.78084 100.92907 0.04765 -999.00000 -999.00000 -999.00000 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