Upstream attribution
The Gaussian-plume dispersion, Pasquill–Gifford spread and Briggs plume-rise equations in this tutorial are adapted from:
- Joshua Nunn,
really-simple-dispersion-wasm, commit0a54b84ce84be75170818c90dfdb84c164b78c68 - Copyright © 2021 Joshua Nunn
- MIT License
The upstream browser bindings, WebAssembly state, random weather generator, full concentration grids and PNG conversion are not included. The retained copyright and permission notice follows.
MIT License
Copyright (c) 2021 Joshua Nunn
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
The upstream project and this tutorial use an educational model derived from the superseded US EPA ISC-3 model. Neither implementation is suitable for regulatory air-quality analysis.