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Climate 2015, 3(3), 542-562; doi:10.3390/cli3030542

Lattice Wind Description and Characterization of Mexico City Local Wind Events in the 2001–2006 Period

1
Instituto de Investigaciones Eléctricas, División de Energías Alternas, Reforma 113, Palmira, Cuernavaca 62490, Mexico
2
IBIMET-CNR, National Research Council of Italy, Institute of BioMeteorology, Bologna Section. Via Gobetti 101, Bologna 40129, Italy
3
Centro de Ciencias de la Atmósfera, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Mexico, D.F. 04510, Mexico
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Received: 26 May 2015 / Revised: 3 July 2015 / Accepted: 21 July 2015 / Published: 31 July 2015
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Abstract

Urban transformation and expansion in Mexico City continuously affect its urban morphology, and therefore the modes of wind circulation inside it and their occurrence probabilities. Knowledge on these topics is an important issue for urban planning and for other urban studies, such as air quality assessment. In this paper, using a lattice wind model at a meso-β scale, we develop a simple description and characterization of Mexico City local wind events that occurred during the period 2001–2006, including an estimation of the occurrence probabilities. This region was modeled as a 2D lattice domain of identical cells, and wind conditions in each cell were described by four wind attributes: the horizontal velocity components, divergence, and vorticity. Models of one and four cells were applied to wind data furnished by the meteorological network of the city. Results include the following: Early morning: low intensity winds (75%) from N, NW, W and SW (75%), convergent (93%), with a slight predominance of cyclonic vorticity (54%). Morning and early afternoon: winds from N, NE and E (72%) with speeds from 0.5 to 3.5 m/s, slight prevailing of convergent winds (51%), and slight predominance of cyclonic vorticity (57%). Late afternoon and night: winds blowing from N, NW, and S (63%) with speeds from 1.5 to 3.5 m/s (66%), convergent (90%), and cyclonic (72%). View Full-Text
Keywords: urban local wind; lattice wind model; Mexico City urban local wind; lattice wind model; Mexico City
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Salcido, A.; Carreón-Sierra, S.; Georgiadis, T.; Celada-Murillo, A.-T.; Castro, T. Lattice Wind Description and Characterization of Mexico City Local Wind Events in the 2001–2006 Period. Climate 2015, 3, 542-562.

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