# 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 11:06:19 # original profile science log name: f8146.175.20220214T133734.science.mat # profile date(gmt): 13-Feb-2022 14:56:39 # profile lat: 19.4006 # profile lon: -134.6999 # profile number: 175 # 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 4.37000 23.38970 34.27270 23.27291 0.12916 0.00079 214.39688 100.58046 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 9.38000 23.40560 34.27350 23.26920 0.20288 0.00049 214.27493 100.53452 0.04167 -999.00000 -999.00000 -999.00000 -999.00000 13.22000 23.40310 34.27250 23.26940 0.17303 0.00054 214.18796 100.49409 0.04110 -999.00000 -999.00000 -999.00000 -999.00000 18.72000 23.40840 34.27270 23.26833 0.14634 0.00047 214.01534 100.42014 0.04038 -999.00000 -999.00000 -999.00000 -999.00000 24.36000 23.41150 34.27410 23.26884 0.17838 0.00072 213.89127 100.36305 0.03972 -999.00000 -999.00000 -999.00000 -999.00000 28.96000 23.41150 34.27530 23.27004 0.14594 0.00083 213.87364 100.35087 0.03904 -999.00000 -999.00000 -999.00000 -999.00000 33.77500 23.41270 34.27405 23.26904 0.16914 0.00082 213.78517 100.31416 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.59000 23.41390 34.27280 23.26803 0.19233 0.00081 213.69670 100.27745 0.03901 -999.00000 -999.00000 -999.00000 -999.00000 44.22000 23.41500 34.27510 23.26979 0.18093 0.00049 213.56406 100.22509 0.03932 -999.00000 -999.00000 -999.00000 -999.00000 49.75000 23.41490 34.27420 23.26947 0.32345 0.00083 214.05627 100.56418 0.03981 -999.00000 -999.00000 -999.00000 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