Artículo
Abstract:
A model of the dispersion of pollutants released from a continuous point source into the atmospheric boundary layer is suggested. For this model and for that of Gryning et al. (1987), the predicted normalized crosswind integrated concentrations are compared with observational data. The data obtained in diffusion experiments with a non-depositing tracer, in non-buoyant releases carried out at Copenhagen (Denmark), Cabauw (The Netherlands), Hanford (USA) and Lillestrom (Norway) have been used. The former two experiments were elevated releases during near neutral and unstable conditions; the latter two were near surface releases during near neutral and stable conditions. The comparison is done with each dataset and with the full database. Statistical measures and techniques of model evaluation are obtained and applied. The behaviour of residuals with some meteorological parameters is studied. The overall agreement between estimated and measured concentrations is satisfactory. The models have quite similar performances. A dispersion model, based on the bi-dimensional semi-empirical equation, is outlined for modeling pollutants released into the atmospheric boundary layer. The model is based on the advection-diffusion equation and makes use of a parameterization that gives continuous values over the full range of height and stability conditions. Results are presented from an evaluation of the model using data sets generated in Copenhagen, Denmark; Cabauw, Netherlands; Hanford, WA, USA; and Lillestrom, Norway. All of the studies involved sulfur hexafluoride in nonbuoyant releases from several source heights and under a range of atmospheric stability conditions. Results show that the proposed model and that developed by Gryning et al. performed similarly. However, the proposed model makes use of a continuous description of dispersion in the various regimes of the boundary layer, which overcomes the problems posed by the discrete modeling approach. (from Fifth Workshop on Harmonization Within Atmospheric Modelling for Regulatory Purposes, Rhodes, Greece (May 18-21, 98)).
Registro:
| Documento: | Artículo |
| Título: | Model evaluation exercise for non-buoyant releases from continuous point sources |
| Autor: | Ulke, A.G. |
| Ciudad: | Rhodes, Greece |
| Filiación: | Department of Atmospheric Sciences, University of Buenos Aires, Ciudad Universitaria, 1428 Buenos Aires, Argentina |
| Palabras clave: | Atmospheric dispersions; Atmospheric turbulence; Boundary layer flow; Database systems; Dispersions; Mathematical models; Meteorology; Statistical methods; Air pollution |
| Año: | 2000 |
| Volumen: | 14 |
| Número: | 1-6 |
| Página de inicio: | 143 |
| Página de fin: | 150 |
| Título revista: | 5th Workshop on Harmonization Withing Atmospheric Dispersion Modelling for Regulatory Purposes |
| Título revista abreviado: | Int J Environ Pollut |
| ISSN: | 09574352 |
| CODEN: | IJVLE |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09574352_v14_n1-6_p143_Ulke |
Referencias:
- Briggs, G.A., Analytical parameterizations of diffusion: The convective boundary layer (1985) J. Climate Appl. Meteor., 24, pp. 1167-1186
- Businger, J.A., Equations and concepts (1982) Atmospheric Turbulence and Air Pollution Modelling, pp. 1-36. , Nieuwstadt, F.T.M. and van Dop, H. (Editors) D. Reidel Pub. Co., Dordrecht
- Caughey, S.J., Observed characteristics in the atmospheric boundary layer (1982) Atmospheric Turbulence and Air Pollution Modelling, pp. 107-258. , Nieuwstadt, F.T.M. and van Dop, H. (Editors) D. Reidel Pub. Col., Dordrecht
- Doran, J.C., Horst, T.W., An evaluation of gaussian plume-depletion models with dual-tracer field measurements (1985) Atmospheric Environment, 19, pp. 939-951
- Dyer, A.J., A review of flux-profile relationships (1974) Boundary-Layer Meteorology, 7, pp. 363-372
- Gryning, S.E., Lyck, R., Atmospheric dispersion from elevated sources in an urban area: Comparison between tracer experiments and model calculations (1984) J. Climate Appl. Met., 23, pp. 651-660
- Gryning, S.E., Holtslag, A.A.M., Irwin, J.S., Sivertsen, B., Applied dispersion modelling based on meteorological scaling parameters (1987) Atmospheric Environment, 21, pp. 79-89
- Hanna, S.R., Confidence limits for air quality model evaluations, as estimated by bootstrap and jack-knife re-sampling methods (1989) Atmospheric Environment, 23, pp. 1385-1398
- Hanna, S.R., Strimaitis, D.G., Chang, J.C., Hazard response modelling uncertainty (a quantitative method) (1991) Vol 1: User's Guide for Software for Evaluating Hazardous Gas Dispersion Models, 1. , Sigma Research Corporation, Westford, MA, USA
- Holstlag, A.A.M., Nieuwstadt, F.T.M., Scaling the atmospheric boundary layer (1986) Boundary-Layer Meteorology, 36, pp. 201-209
- Irwin, J.S., (1997) Draft ASTM: 'Standard Practice for Statistical Evaluation of Atmospheric Dispersion Models, , personal communication
- Nicholls, S., Readings, C.J., Aircraft observations of the structure of the lower boundary layer over the sea (1979) Qu. J. R. Meteor. Soc., 105, pp. 785-802
- Olesen, H.R., The model validation exercise at Mol: Overview of results (1995) Int. J. Environment and Pollution, 5 (4-6), pp. 761-784. , Workshop: Operational short-range atmospheric dispersion models for environmental impact assessment in Europe, Mol, Nov. 1994
- Olesen, H.R., Towards the establishment of a common framework for model evaluation (1996) Air Pollution Modelling and Its Application XI, pp. 519-527. , Gryning, S.E. and Schiermeier, F.A. (Editors), Plenum Press, New York
- Olesen, H.R., Tools for model validation (1998) Air Pollution Modelling and Its Application XII, pp. 665-672. , Gryning, S.E. and Chaurmerliac, N. (Editors), Plenum Press, New York
- Pasquill, F., Smith, F.B., (1983) Atmospheric Diffusion (Third Edition), p. 437. , John Wiley & Sons Inc., New York
- Sivertsen, B., Bøhler, T., Verification of dispersion estimates using tracer data (1985) NILU Report TR 19/85, , The Norwegian Institute for Air Research, Lillestrøm, Norway
- Ulke, A.G., (1992) Diffusion-deposition of Pollutants Released in the Atmospheric Boundary Layer, 1-2, p. 419. , Ph.D. Thesis, Universtty of Buenos Aires, Argentina, in Spanish
- Van Buijtenen, C.J.P., Holland, J., Van Leeuwen, D., A numerical diffusion model for continuous releases (1973) Boundary-Layer Meteorology, 5 (3), pp. 275-283
- Duuren, H., Nieuwstadt, F.T.M., Dispersion experiments from the 213 m high meteorological mast at Cabauw in the Netherlands (1980) Atmospheric Pollution: Proceedings of the 14th International Colloquium, pp. 77-90. , Benarie, M.M. (Editor), Paris
- Van Ulden, A.P., Holstlag, A.A.M., Estimation of atmospheric boundary layer parameters for diffusion applications (1985) J. Climate Appl. Met., 24, pp. 1196-1207
- Wieringa, J., A revaluation of the Kansas mast influence in measurements of stress and cupanemometer over-speeding (1980) Boundary-Layer Meteorology, 18, pp. 411-430
Citas:
---------- APA ----------
(2000) . Model evaluation exercise for non-buoyant releases from continuous point sources. 5th Workshop on Harmonization Withing Atmospheric Dispersion Modelling for Regulatory Purposes, 14(1-6), 143-150.Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09574352_v14_n1-6_p143_Ulke [ ]
---------- CHICAGO ----------
Ulke, A.G. "Model evaluation exercise for non-buoyant releases from continuous point sources" . 5th Workshop on Harmonization Withing Atmospheric Dispersion Modelling for Regulatory Purposes 14, no. 1-6 (2000) : 143-150.Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09574352_v14_n1-6_p143_Ulke [ ]
---------- MLA ----------
Ulke, A.G. "Model evaluation exercise for non-buoyant releases from continuous point sources" . 5th Workshop on Harmonization Withing Atmospheric Dispersion Modelling for Regulatory Purposes, vol. 14, no. 1-6, 2000, pp. 143-150.Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09574352_v14_n1-6_p143_Ulke [ ]
---------- VANCOUVER ----------
Ulke, A.G. Model evaluation exercise for non-buoyant releases from continuous point sources. Int J Environ Pollut. 2000;14(1-6):143-150.Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09574352_v14_n1-6_p143_Ulke [ ]
