Urban Expansion And Change Of Land Uses:
City Of Mexicali 1990-2005
Author(s)
O. Leyva-Camacho, R. Venegas-Cardoso, R. Rojas-Caldelas,
A. Ranfla-González & C. Pena-Salmon
Abstract
Mexicali has an important economic role within the state of Baja California,
Mexico, and its urban economic dynamic has been a central piece of regional
development in the Mexicali valley. This has produced a rapid urbanization of
the rural-urban interface, which has intensified energy, material and population
exchanges between the central city and its hinterlands. Such a dynamic has
produced urban sprawl and a fast restructuring of the urban regional spatial
development. Thus, the purpose of this paper is to analyze the spatial dynamics
of the rural-urban interface of Mexicali, from 1990-2005. Urban spatial
expansion was analyzed by satellite images, LANDSAT TM5 and LANDSAT
ETM7 taken in the dry season, to identify land use changes and the physical
expansion of the urban area over the last 15 years. Results have showed that
Mexicali’s urban area has expanded by around 32 km2, which means an increase
of 34% during this period. Meanwhile small cities located in the hinterlands have
experienced lower rates of population growth and physical expansion. Some
small cities have been absorbed and others have developed over urban corridors
to the central city. Changes in spatial patterns of urban structure have been
accompanied by the evolution of urban functions and special interactions
between the central city and its hinterlands. Lastly, the urbanization process is
still in progress, but there are also evidences of urban sprawl in the hinterlands.
Keywords: urban expansion, urbanization, land cover change, rural-urban
interface.
Keywords
urban expansion, urbanization, land cover change, rural-urbaninterface
Related Book
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