Título
Cluster Analysis of the Wind Events and Seasonal Wind Circulation Patterns in the Mexico City Region
Autor
SUSANA CARREON SIERRA
VICTOR ALEJANDRO SALCIDO GONZALEZ
Telma Castro
ANA TERESA CELADA MURILLO
Nivel de Acceso
Acceso Abierto
Identificador alterno
doi: 10.3390/atmos6081006
Referencia de publicación
URL/http://www.mdpi.com/2073-4433/6/8/1006
Materias
CIENCIAS FÍSICO MATEMÁTICAS Y CIENCIAS DE LA TIERRA - (CTI) urban winds - ([Atmosphere Vol. 6 num. 8 (2015), ISSN: 2073-4433]) - ([Atmosphere Vol. 6 num. 8 (2015), ISSN: 2073-4433]) wind patterns - ([Atmosphere Vol. 6 num. 8 (2015), ISSN: 2073-4433]) - ([Atmosphere Vol. 6 num. 8 (2015), ISSN: 2073-4433]) lattice wind models - ([Atmosphere Vol. 6 num. 8 (2015), ISSN: 2073-4433]) - ([Atmosphere Vol. 6 num. 8 (2015), ISSN: 2073-4433]) cluster analysis - ([Atmosphere Vol. 6 num. 8 (2015), ISSN: 2073-4433]) - ([Atmosphere Vol. 6 num. 8 (2015), ISSN: 2073-4433])
Resumen o descripción
The residents of Mexico City face serious problems of air pollution. Identifying the most representative scenarios for the transport and dispersion of air pollutants requires the knowledge of the main wind circulation patterns. In this paper, a simple method to recognize and characterize the wind circulation patterns in a given region is proposed and applied to the Mexico City winds (2001–2006). This method uses a lattice wind approach to model the local wind events at the meso-β scale, and hierarchical cluster analysis to recognize their agglomerations in their phase space. Data of the meteorological network of Mexico City was used as input for the lattice wind model. The Ward’s clustering algorithm with Euclidean distance was applied to organize the model wind events in seasonal clusters for each year of the period. Comparison of the hourly population trends of these clusters permitted the recognition and detailed description of seven circulation patterns. These patterns resemble the qualitative descriptions of the Mexico City wind circulation modes reported by other authors. Our method, however, permitted also their quantitative characterization in terms of the wind attributes of velocity, divergence and vorticity, and an estimation of their seasonal and annual occurrence probabilities, which never before were quantified.
Editor
MDPI AG
Fecha de publicación
julio de 2015
Tipo de publicación
Artículo
Versión de la publicación
Versión publicada
Recurso de información
Formato
application/pdf
Fuente
Atmosphere Vol. 6 num. 8 (2015)
ISSN: 2073-4433
Idioma
Inglés
Audiencia
Investigadores
Estudiantes
Repositorio Orígen
Repositorio Institucional del Centro de Ciencias de la Atmósfera de la UNAM
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