This page should be read in conjunction with How Plume Plotter Works. It provides more details specific to the Norwich version of Plume Plotter.
All of these are taken from [1]:
The emission rates of pollutants are taken from [1]. These are:
| Pollutant | Emission rate per second |
|---|---|
| Oxides of nitrogen | 8.746 g |
| Sulphur dioxide | 8.746 g |
| Particulates | 875 mg |
| Carbon monoxide | 16.4 g |
| Hydrogen chloride | 1.312 g |
| Ammonia | 656 mg |
The background levels of pollutants are taken from [1]. These are:
| Pollutant | Background concentration per m3 |
|---|---|
| Oxides of nitrogen | 22.8 μg |
| Sulphur dioxide | 6.63 μg |
| Particulates | 20.41 μg |
| Carbon monoxide | 458 μg |
| Hydrogen chloride | 490 ng |
| Ammonia | 1.92 μg |
Weather data is taken from METAR reports from a local airport: Norwich Weather Centre.
Upper air data is the latest reported by the Nottingham upper air station.
1. AXIS GENERATION PARK NORWICH DISPERSION MODELLING REPORT, Fichtner, July 2015.