Urbanization Process and Variation of Energy Budget of Land Surfaces


Urban areas are increasing at a rate much higher than human population growth in many part of the world; actually more than 73 towns in the world are larger than 1000 km2. The European Environmental Agency indicates an urban area average growth rate, over the last 20 years, of 20%. The urbanization process, and the consequent soil sealing, determines not only the losses of the ecological functions of the soil, but also a variation of the energy budget of land surfaces, that affect the microclimatic conditions (heat islands). The alteration of the energy budget are determined by the variations of albedo and roughness of surfaces, but especially by the net losses of evapotranspirating areas. In the present research we have assessed the variation of Parma territory energy budget, induced by the change in land use over the last 122 years. The urban area increase between 1881 and 2003 was 535%.


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Gardi, C., Dall’Olio, N., & Cavallo, M. C. (2007). Urbanization Process and Variation of Energy Budget of Land Surfaces. Italian Journal of Agronomy, 2(2), 119-126. https://doi.org/10.4081/ija.2007.119

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