منابع مشابه
Nutrition Security in Urban Areas of Latin
The population of Latin America is now largely urban. By 1990, 72 percent of the people of the region were living in cities (Figure 1). By 2020, the urban population could reach 83 percent. With increasing urbanization, the region faces problems of poverty, nutrition, and health that are somewhat different from those when the population was more rural. Thirty-five percent of the people who live...
متن کاملSurface Water Flow of Urban Areas and Sustainable Urban Planning
Urban planning is associated with land transformation from natural areas to modified and developed ones which leads to modification of natural environment. The basic knowledge of relationship between both should be ascertained before proceeding for the development of natural areas. Changes on land surface due to build up pavements, roads and similar land cover, affect surface water flow. There ...
متن کاملRelevance and Benefits of Urban Water Reuse in Tourist Areas
Urban water reuse is one of the most rapidly growing water reuse applications worldwide and one of the major elements of the sustainable management of urban water cycle. Because of the high probability of direct contact between consumers and recycled water, many technical and regulatory challenges have to be overcome in order to minimize health risks at affordable cost. This paper illustrates t...
متن کاملCatastrophic Collapse of Water Supply Reservoirs in Urban Areas
The paper presents a two-dimensional unsteady flow model based on the finite volume method combined with anapproximate Riemann solver to solve the governing equations on an unstructured triangular grid. A major feature of the model is that it isconservative, can deal with wetting and drying processes, resolve shocks and can handle complex geometry. The model is applied to acase stud...
متن کاملEffective water supply surveillance in urban areas of developing countries.
Water supply surveillance generates data on the safety and adequacy of drinking water supply in order to contribute to the protection of human health. Most current models of water supply surveillance for urban areas come from developed countries and have significant shortcomings if directly applied elsewhere. There are differences not only in socio-economic conditions but also in the nature of ...
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تحقیقات منابع آب ایرانجلد ۷، شماره ۴، صفحات ۰-۱
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