Urban Planning Development

Cities and natural process: a basis for sustainability by Michael Hough

By Michael Hough

This key e-book is a revised and up-to-date dialogue of the basic clash within the notion of nature, and an expression of the basic want for an environmental view whilst imminent city layout. while keeping the present constitution, all of the chapters has been revised take into consideration contemporary theoretical and functional advancements. a very new concluding bankruptcy has been additional which pulls jointly the topics of the amount and hyperlinks those to broader panorama concerns similar to greenway structures, panorama ecology and eco-friendly infrastructure.

Show description

Read or Download Cities and natural process: a basis for sustainability PDF

Similar urban planning & development books

Planning in Postmodern Times

This ebook analyzes making plans from a postmodern standpoint and explores substitute conceptions in response to a mix of postmodern pondering and different fields of social idea. In doing so, it exposes the various limits of postmodern social concept whereas supplying another notion of making plans within the twenty first century.

Housing Policy Matters: A Global Analysis

This booklet unifies housing coverage via integrating industrialized and developing-country interventions within the housing region right into a complete worldwide framework. 100 signs are used to match housing guidelines and stipulations in fifty three nations. Statistical research confirms that--after accounting for fiscal development--enabling housing rules lead to greater housing stipulations.

How green is the city?: sustainability assessment and the management of urban environments

This e-book offers with functional how you can succeed in a extra sustainable kingdom in city parts via such instruments as strategic environmental evaluate, sustainability overview, course research, baseline atmosphere and growth dimension, sustainability pursuits, and ecological footprint research. (Winter 2003)

Drivers of Integration and Regionalism in Europe and Asia: Comparative perspectives

This publication examines the drivers of regionalism and integration in either Europe and Asia and seeks to forge comparative views among the 2 areas. Comprising contributions from students, analysts and policymakers, this quantity explores and debates how and why local our bodies similar to the eu Union (EU) and the organization of Southeast Asian countries (ASEAN) are shaped and sustained.

Additional info for Cities and natural process: a basis for sustainability

Example text

The greater the run-off from a storm, the more swollen are the streams and the size of flood peaks. Conversely, the greater the volume from run-off, the less there is to replenish 32 • Cities and natural process groundwater and streams. Thus rainfall is accompanied by extremes of flood and low flow. Discharge velocities are also higher than in natural conditions. This is well illustrated in the forested ravine lands that follow a meandering course through densely builtup parts of some cities. In the sudden storms typical of the summer season in Toronto, for instance, valley and ravine streams will rise from a sluggish trickle to a raging torrent in a matter of minutes, carving into already eroded banks and undercutting stone retaining walls.

The Thames that had been devoid of fish for 48 kilometres between 1920 and 1964 now supported aquatic life. By 1975, no less than eighty-six species of freshwater and marine fish had been identified. 32 Impressive as the Thames revival was, however, societal values in the 1980s, and early 1990s, began to reflect broader international concerns for the health of city nature. Vallentyne’s comment that ‘river ecosystems are integrations of everything that takes place in their drainage basins’33 reflects the reality that restoring rivers to a state of ecological health involves more than resurrecting downtown waterfronts, or reducing pollution, or making drinking-water less poisonous – a single-minded policy objective of many government agencies concerned with water quality.

4 Some of the water that does reach the ground percolates through the soil into streams. The root activity and decaying matter of the forest floor act as a sponge holding and gradually releasing a great deal of water. Winter snows trapped in the forest are also gradually released to the streams and rivers in the spring because the ground beneath the forest is less deeply frozen than open ground and snow melt takes longer in the shade of trees. Some is returned to the atmosphere by the biological processes of transpiration through the leaves of plants.

Download PDF sample

Rated 4.51 of 5 – based on 50 votes