# 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 11:06:11 # original profile science log name: f8146.137.20220206T191932.science.mat # profile date(gmt): 06-Feb-2022 16:34:58 # profile lat: 19.4674 # profile lon: -134.8481 # profile number: 137 # 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 3.10000 23.45260 34.39990 23.35085 0.12833 0.00078 215.01088 101.05742 0.04633 -999.00000 -999.00000 -999.00000 -999.00000 9.44000 23.45510 34.40120 23.35148 0.16867 0.00078 214.92997 101.02955 0.04393 -999.00000 -999.00000 -999.00000 -999.00000 13.40000 23.45740 34.39910 23.34946 0.19360 0.00063 214.78983 100.95854 0.04480 -999.00000 -999.00000 -999.00000 -999.00000 18.79000 23.45370 34.39990 23.35147 0.19360 0.00071 214.71108 100.91978 0.04573 -999.00000 -999.00000 -999.00000 -999.00000 22.66000 23.45680 34.40010 23.35096 0.19360 0.00071 214.73199 100.93312 0.04316 -999.00000 -999.00000 -999.00000 -999.00000 28.24000 23.45770 34.40070 23.35150 0.21113 0.00066 214.62180 100.88345 0.04411 -999.00000 -999.00000 -999.00000 -999.00000 33.32000 23.45970 34.39960 23.35040 0.20721 0.00076 214.52764 100.83440 0.04307 -999.00000 -999.00000 -999.00000 -999.00000 37.24000 23.45890 34.40070 23.35170 0.17600 0.00085 214.54934 100.84484 0.04317 -999.00000 -999.00000 -999.00000 -999.00000 44.20000 23.46040 34.40050 23.35153 0.19360 0.00063 214.47579 100.81102 0.04412 -999.00000 -999.00000 -999.00000 -999.00000 49.31000 23.46190 34.40040 23.35132 0.19360 0.00061 214.34893 100.75273 0.04589 -999.00000 -999.00000 -999.00000 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