Urban Geography Essay

1484 words - 6 pages

The effects of unplanned urban development
1. Problem Identification
As suburban communities continue to expand, typically in a random pattern generated by the availability of cheap land that can accommodate large numbers of housing , lack of planning does not only require the concurrent expansion of community and commercial services , also scatters plague of urban extensions and environmental degradation . A lack of proper planning and urban development community also makes it harder to bring together members of the community, because the infrastructure is decentralized.
* Deforestation
As communities continue to expand without a well- prepared for the integration of residential ...view middle of the document...

Urban development imposes a number of pressures on waterways. The development involves clearing and movement of the earth and soil, increasing erosion and leads to excessive sedimentation and turbidity of waterways. Impervious surfaces created by large expanses of pavement and concrete ship contaminated runoff into streams and rivers. Nutrients turf or agricultural treatments can be washed in watercourses and cause numerous problems. The sewage overflows send untreated human waste into rivers and streams.
Urban development can lead to numerous problems of water quality. Sedimentation increases costs for water treatment and can suffocate fish or cause other health problems for aquatic life. The road runoff carries pollutants such as salt, oil and other hazardous chemicals, sometimes throwing them directly into waterways. Untreated wastewater carry disease-causing bacteria and other microbes into streams and rivers.

Source: http://water.usgs.gov/edu/earthwherewater.html
* Urban Sprawl
Urban sprawl is another unintended effect of development on the periphery of established communities. A speculative development aimed at attracting people to cheaper housing opportunities not only promotes the expansion of impervious surfaces (roads and parking) in rural areas where rainfall could cover the water table, it also creates problems associated with urban sprawl. Suburban residents should benefit from police, fire and sanitation. These same residents must also drive longer distances to get to work and meet other community functions, generating higher fuel costs for individuals, and for road maintenance authorities.

* Infrastructure
Unplanned development often leads to congestion of the roads, as residents and travelers alike are forced to pass through areas that lack a central transport corridor. As a result, greenhouse gases are emitted into the atmosphere from cars and other vehicles that spend more time on the road. Additionally, the city government or the state responsible for the area where this development happens without planning, you should probably redesign and re-implement transport corridors through costly construction projects.

Source: www.cbc.ca
2. Alternative Solutions
* Compact mixed-use development
Alternatives to urban sprawl are designed to consume less land and accommodate more primary projects considered expanding uses. As a result, alternative urban expansion generally take the form of mixed-use development that is designed to a very high population density. Unlike zoning regulations normally require expansion, compact development codes typically allow the buildings to be built without setbacks from the street, which reduces the amount of land that needs development. In addition, the mixed-use zoning allows commercial spaces and residential occupy the same place, a practice that is not allowed by traditional zoning.
Source: http://seattlecondosandlofts.com/


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