# 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: f8146.174.20220213T145202.science.mat # profile date(gmt): 12-Feb-2022 17:37:29 # profile lat: 19.4126 # profile lon: -134.6979 # profile number: 174 # 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 4.00000 23.32250 34.26350 23.28544 0.16940 0.00071 214.56227 100.51460 0.05724 -999.00000 -999.00000 -999.00000 -999.00000 8.75000 23.32670 34.26170 23.28315 0.15958 0.00066 214.39078 100.44195 0.04936 -999.00000 -999.00000 -999.00000 -999.00000 13.40000 23.32760 34.26240 23.28369 0.17129 0.00058 214.36849 100.43348 0.05004 -999.00000 -999.00000 -999.00000 -999.00000 18.60000 23.32780 34.26200 23.28364 0.17875 0.00063 214.34892 100.42470 0.05585 -999.00000 -999.00000 -999.00000 -999.00000 23.36000 23.32630 34.26300 23.28513 0.14024 0.00056 214.32299 100.41454 0.04763 -999.00000 -999.00000 -999.00000 -999.00000 28.11000 23.32660 34.26360 23.28579 0.17840 0.00047 214.25330 100.38335 0.04705 -999.00000 -999.00000 -999.00000 -999.00000 33.14000 23.32780 34.26360 23.28575 0.18583 0.00075 214.18041 100.35113 0.04752 -999.00000 -999.00000 -999.00000 -999.00000 39.12000 23.32960 34.26370 23.28566 0.17871 0.00074 214.19077 100.35833 0.04892 -999.00000 -999.00000 -999.00000 -999.00000 44.11000 23.33170 34.26280 23.28467 0.19360 0.00069 214.18508 100.35699 0.04751 -999.00000 -999.00000 -999.00000 -999.00000 48.65000 23.33250 34.26330 23.28508 0.18471 0.00092 214.14089 100.33690 0.04616 -999.00000 -999.00000 -999.00000 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