# 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 11:06:31 # original profile science log name: f8146.234.20220305T011602.science.mat # profile date(gmt): 05-Mar-2022 01:16:03 # profile lat: 19.1724 # profile lon: -135.0129 # profile number: 234 # 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 4.05000 23.68530 34.13300 23.08086 0.18617 0.00165 215.30416 101.41461 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 9.26000 23.68520 34.13390 23.08189 0.19306 0.00071 214.96712 101.25933 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 14.17000 23.68420 34.13370 23.08233 0.22696 0.00067 214.79129 101.17945 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 19.32000 23.68730 34.13380 23.08181 0.20076 0.00058 214.70860 101.14348 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 24.73000 23.69160 34.13520 23.08195 0.21780 0.00062 214.53626 101.06692 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 29.77000 23.67740 34.13520 23.08643 0.20253 0.00067 214.36382 101.00405 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 34.76000 23.66450 34.13570 23.09089 0.19211 0.00062 214.24660 100.95286 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 39.70000 23.66430 34.13510 23.09079 0.24200 0.00063 214.16943 100.91848 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 44.78000 23.65780 34.13800 23.09520 0.25704 0.00065 213.76964 100.73552 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 49.75000 23.65240 34.13980 23.09844 0.29780 0.00097 213.11686 100.42357 -999.00000 -999.00000 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