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Article

Urban-Induced Changes on Local Circulation in Complex Terrain: Central Mexico Basin

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Posgrado en Ciencias de la Tierra, UNAM, Mexico City 04510, Mexico
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Centro de Ciencias de la Atmósfera, UNAM, Mexico City 04510, Mexico
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Author to whom correspondence should be addressed.
Academic Editor: Scott Osprey
Atmosphere 2021, 12(7), 904; https://doi.org/10.3390/atmos12070904
Received: 5 June 2021 / Revised: 25 June 2021 / Accepted: 9 July 2021 / Published: 14 July 2021
(This article belongs to the Special Issue Coastal and Urban Meteorology)
Land use land cover (LULC) significantly impacts local circulation in the Mexico Basin, particularly wind field circulations such as gap winds, convergence lines, and thermally induced upslope/downslope wind. A case study with a high-pressure system over the Mexico Basin isolates the influence of large-scale synoptic forcing. Numerical simulations reveal a wind system composed of meridional circulation and a zonal component. Thermal pressure gradients between the Mexico basin and its colder surroundings create near-surface convergence lines as part of the meridional circulation. Experiments show that the intensity and organization of meridional circulations and downslope winds increase when LULC changes from natural and cultivated land to urban. Zonal circulation exhibits a typical circulation pattern with the upslope flow and descending motion in the middle of the basin. Large values of moist static energy are near the surface where air parcels pick up energy from the surface either as fluxes of enthalpy or latent heat. Surface heat fluxes and stored energy in the ground are drivers of local circulation, which is more evident in zonal circulation patterns. View Full-Text
Keywords: local circulations; urban heat island; land cover changes local circulations; urban heat island; land cover changes
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MDPI and ACS Style

Aquino-Martínez, L.P.; Quintanar, A.I.; Ochoa-Moya, C.A.; López-Espinoza, E.D.; Adams, D.K.; Jazcilevich-Diamant, A. Urban-Induced Changes on Local Circulation in Complex Terrain: Central Mexico Basin. Atmosphere 2021, 12, 904. https://doi.org/10.3390/atmos12070904

AMA Style

Aquino-Martínez LP, Quintanar AI, Ochoa-Moya CA, López-Espinoza ED, Adams DK, Jazcilevich-Diamant A. Urban-Induced Changes on Local Circulation in Complex Terrain: Central Mexico Basin. Atmosphere. 2021; 12(7):904. https://doi.org/10.3390/atmos12070904

Chicago/Turabian Style

Aquino-Martínez, Lourdes P., Arturo I. Quintanar, Carlos A. Ochoa-Moya, Erika D. López-Espinoza, David K. Adams, and Aron Jazcilevich-Diamant. 2021. "Urban-Induced Changes on Local Circulation in Complex Terrain: Central Mexico Basin" Atmosphere 12, no. 7: 904. https://doi.org/10.3390/atmos12070904

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