Urban watershed management under rapid urbanization

Risk based urban watershed management under conflicting objectives.

Ecological impairment and flooding caused by urbanization can be expressed numerically by calculating the risks throughout the watershed (floodplain) and along the main stems of the streams. The risks can be evaluated in terms of the present and/or future. This article describes the methodologies for ascertaining the risks in the Geographical Information Systems (GIS) environment. The objective...

Urban Area Disadvantage and Under-5 Mortality in Nigeria: The Effect of Rapid Urbanization

BACKGROUND Living in socioeconomically disadvantaged areas is associated with increased -childhood mortality risks. As city living becomes the predominant social context in low- and middle-income countries, the resulting rapid urbanization together with the poor economic circumstances of these countries greatly increases the risks of mortality for children < 5 years of age (under-5 mortality). ...

Urban Governance and Rapid Urbanization Issues in Malaysia

The foundation of the present modern urban system in Malaysia was laid during British colonialism (1786-1957). During the colonial era, basic infrastructure such as transportation and utilities were built to support commercial, financial, social and administrative functions to further exploit the resources (e.g. tin and rubber) in the country. After Independence in 1957, the rate of urbanizatio...

Urbanization, Rural–urban Migration and Urban Poverty

Urbanization and Rural-Urban Migration

This chapter considers the literature on urbanization and migration to cities from rural areas in developing and middle-income countries. The chapter assesses recent patterns, discusses traditional models, addresses more recent models of migration, presents some of the recent findings from the micro-econometric literature, and closes with a discussion of the role of cities in economic growth. C...