Fast three-dimensional sensitivity analysis of photochemical air quality models: An application to Southern California
- Georgia Inst. of Tech., Atlanta, GA (United States). School of Civil and Environmental Engineering
The sensitivity analysis plays an important role in understanding the response of an environmental system model to the variations of its inputs and parameters. For a complex model, the sensitivity analysis frequently is pursued by using a brute-force method with two separate simulation runs because of its simplicity. However, this approach will become computationally prohibitive as the number of sensitivities calculated increases. A formal, efficient technique of sensitivity analysis, decoupled direct method in three dimensions (DDM-3D), was developed to compute various sensitivity coefficients in a three-dimensional photochemical air quality model. These sensitivity coefficients of model outputs are calculated by separately solving a set of auxiliary differential equations derived from the model governing equations. Since the auxiliary equations of sensitivity coefficients are linear, the computation of sensitivity coefficients is fast and efficient.
- OSTI ID:
- 362039
- Report Number(s):
- CONF-980632-; TRN: IM9933%%423
- Resource Relation:
- Conference: 91. annual meeting and exhibition of the Air and Waste Management Association, San Diego, CA (United States), 14-18 Jun 1998; Other Information: PBD: 1998; Related Information: Is Part Of Proceedings of the 91. annual meeting and exhibition. Bridging international boundaries: Clean production for environmental stewardship; PB: [5000] p.
- Country of Publication:
- United States
- Language:
- English
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