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. 2017 Dec 19;4:170198. doi: 10.1038/sdata.2017.198

Table 1. Measurement parameters and associated aircraft characteristics.

Environmental data: Aircraft & engine information: Emissions measurements:
 Date  Aircraft tail number  Carbon dioxide (CO2) mixing ratio
 Take-off start time  Airline  Black-carbon-equivalent particle mass
 Plume start time  Aircraft manufacturer  Particle (Dp>4 nm) number
 Plume sampling duration  Year of manufacture  Non-volatile particle (Dp>7 nm) number
 Latitude and longitude  Aircraft model/series  Particle number size distribution
 Field elevation  Aircraft master model  Particle (5.6 nm<Dp<560 nm) number
 Runway length  Aircraft master series  Particle (5.6 nm<Dp<560 nm) volume
 Temperature  Number of engines  Cloud condensation nuclei (CCN) number at (2.6±0.2)% supersaturation
 Dew point  Engine manufacturer  Particle extinction coefficient at 532 nm wavelength
 Relative Humidity  Engine model/series  
 Pressure  Engine type (TF, MTF, TP)  
 Wind speed  Engine bypass ratio  
 Wind direction  Engine pressure ratio  
   Engine maximum rated thrust  
   Engine certification smoke number