# 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 11:07:43 # original profile science log name: f8146.576.20220602T124606.science.mat # profile date(gmt): 02-Jun-2022 09:53:28 # profile lat: 21.4881 # profile lon: -136.7378 # profile number: 576 # 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 3.57000 22.53000 34.29190 23.53442 0.12897 0.00067 216.10458 99.88476 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.35000 22.53250 34.29170 23.53383 0.15204 0.00062 215.93704 99.80844 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.81000 22.52940 34.29160 23.53494 0.15234 0.00066 215.74059 99.71585 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.27000 22.53530 34.29070 23.53283 0.12806 0.00058 215.67877 99.68897 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.48000 22.53500 34.29010 23.53276 0.15272 0.00062 216.09580 99.84809 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.45000 22.51980 34.29150 23.53843 0.16940 0.00075 217.65997 100.31416 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.90000 22.41590 34.30260 23.57653 0.17633 0.00076 219.90759 100.76535 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.49000 21.70230 34.44430 23.88421 0.20145 0.00066 221.31329 100.88088 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.42000 21.65560 34.45460 23.90523 0.21780 0.00079 221.88030 101.05957 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.81000 21.61250 34.51500 23.96328 0.23779 0.00074 222.60548 101.28437 -999.00000 -999.00000 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