# 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 11:06:34 # original profile science log name: f8146.246.20220309T210326.science.mat # profile date(gmt): 09-Mar-2022 17:40:44 # profile lat: 19.6044 # profile lon: -135.0697 # profile number: 246 # 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 4.16000 23.42590 34.18330 23.19468 0.03951 0.00054 215.95722 101.31919 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 9.06000 23.42610 34.18280 23.19453 0.11351 0.00054 215.84311 101.27375 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 14.23000 23.42330 34.18590 23.19800 0.08745 0.00061 215.92090 101.33616 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.37000 23.42400 34.18470 23.19714 0.08609 0.00046 215.87294 101.30045 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 24.11000 23.42140 34.18490 23.19840 0.12842 0.00057 215.77807 101.24714 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 29.25000 23.42240 34.18390 23.19768 0.16791 0.00079 215.79774 101.24837 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 34.19000 23.42150 34.18240 23.19710 0.21780 0.00075 215.67235 101.16908 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.86000 23.40820 34.18560 23.20367 0.19777 0.00076 215.60873 101.12520 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 44.66000 23.40780 34.18590 23.20436 0.16133 0.00063 215.53731 101.08506 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 49.46000 23.40130 34.18850 23.20850 0.37369 0.00067 215.52671 101.07371 -999.00000 -999.00000 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