# 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 11:06:30 # original profile science log name: f8146.227.20220224T202140.science.mat # profile date(gmt): 24-Feb-2022 16:53:17 # profile lat: 18.9684 # profile lon: -134.8299 # profile number: 227 # 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 4.41000 23.42140 34.13850 23.16208 0.12100 0.00062 215.38641 101.01012 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 9.31000 23.41710 34.14020 23.16491 0.10570 0.00075 215.40165 101.03387 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 14.37000 23.41780 34.13930 23.16433 0.09597 0.00063 215.18751 100.91374 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 19.26000 23.42020 34.14060 23.16490 0.14520 0.00029 215.18680 100.91512 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 24.10000 23.41550 34.14090 23.16680 0.15960 0.00050 215.13275 100.88251 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 29.29000 23.40550 34.14620 23.17405 0.17776 0.00063 215.04631 100.83475 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 34.18000 23.41520 34.14070 23.16736 0.16321 0.00071 215.07830 100.85515 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.48000 23.39940 34.15040 23.17955 0.18684 0.00074 215.12247 100.84525 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 44.21000 23.33670 34.19480 23.23172 0.16940 0.00076 215.34267 100.83912 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 49.52000 23.28820 34.24090 23.28101 0.18581 0.00063 215.43332 100.85857 -999.00000 -999.00000 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