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Faculty of Engineering University of Kragujevac Course: Urban engineering SEMINAR PAPER SUBJECT: English language THEME: Urbanization

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Faculty of Engineering University of KragujevacCourse: Urban engineering

SEMINAR PAPER

SUBJECT:English language

THEME:Urbanization

Professor: Student:Sandra Stefanovi Angelina Pavlovi 926/2014

December, 2014.

CONTENT:

INTRODUCTION3URBANIZATION4URBAN SYSTEMS6URBAN STUDIES7CONCLUSION9REFERENCES10

INTRODUCTION

At the beginning of 20th century, 150 million people lived in urban areas, which represented only about 5% of total world population. Near the end of 20th century, urban population expanded and reached almost 13 billion, in other words nearly half of the Earths population.

Picture 1. (The growth of the urban population)A few urban trends can be noticed in transition between 20th and 21st century. First, the growth rate of population in many cities in undeveloped parts of the world, despite many predictions, is slowed down. The growth of the biggest cities in these undeveloped countries is much slower than in 1980s.Second, the world is less dominated by the megalopolises than it was predicted by the scientists. A little less than 5 % of total world population lived in megalopolises in 1990.Third trend refers to a connection between urban changes and economic, social, political and cultural changes. It should be noted that this connection is not clear enough yet. It is a paradox that some cities with rapid population growth manage to secure better living conditions than those in the smaller cities. Today, some tendencies concerning the future of urban areas in the third millennium canobviously be seen. Also, it is expected that interaction between urbanization and globalization continues to grow. Globalization is a multilateral process which makes countries, cities and people interact through interchange of goods, service, capital, technology and ideas. The biggest world cities have the leading role in this process, especially in the area of global economy. The fourth and very important trend,in terms of the future of urbanization, is a continuouspower and responsibility shift from the national level to the local government and civil society level. What are the negative aspects of urban areas in almost every part of the world? Unemployment in urban areas remained high. This partly explains violence and crime present in the urban areas Urban infrastructure is inadequately maintained, which can be noticed even in developed countries. For example, even cities like Chicago and Washington have problems with waste water system, whereas cities of American east coast have problems with electrical power system. Of course, in undeveloped countries these problems are more obvious. Bad city infrastructure causes many problems concerning traffic, water supply and sanitation system. Problems concerning protection of the environment, mainly air and water pollution and noise are more and more present, especially in countries in transition. The growth of social conflicts, like the large number of homeless people and crime, is present in many cities. These conflicts are, partially, caused by the growing unemployment and partially by flow of people to global surroundings on micro level.

URBANIZATION

Picture 2. (Relationship between industrialization and urbanization)Urbanization (from the Latin word urbus meaning city) is a term used for natural or mechanical population growth in city areas, expansion of city areas or transformation of areas with mainly rural characteristics to areas with urban characteristics.The process of urbanization began with the beginnings of civilization and with the first cities, but it expanded after the industrial revolution, and the start of the use of the new technologies in agriculture which lessen the demand for the human working power. Urbanization brings a vast number of problems, especially if it is expressed as a sudden concentration of large number of people on a relatively small area of land. Because of that special measures should be taken in order to build and organize a city area. Big cities demand an organized water system, wastewater system, food production, electrical power system and telecommunication network. Apart from that special attention must be given to the living conditions in urban areas, including protection from pollution, crime and other forms of social pathology. Urbanization is one of the most important phenomena of the contemporary world. Today, the growth and urbanization of rural areas is the process that cannot be stopped because of the global economy influence based on technology, industrial production and service. The rateof the worlds population living in urban areas grows rapidly and the worlds economic, social, cultural and political processes more and more take place in and among the worlds city systems.From small merchant towns and fishing ports to megalopolises with several million residents, urban areas have always been one of the most important elements of space organization and evolution of society, but today they are more important than ever. Today, half of the worlds population lives in the cities. The great part of the developed areas of the world became almost completely urbanized whereas in the undeveloped areas a large annual growth of urban population can be noticed. This pace of urbanization is observed as geographical and social phenomenon and one of the most important processes in the world today. In literature, we can find many definitions of urbanization. According to some, urbanizationis an expansion of area of land, with buildings and used for urban activities, according to other, urbanization is a social process in which people adapt to values and behavior that is characteristic for city life. All definitions agree on one thing: Urbanization is a continuous process. According to statistics, urban population of 750million people in 1950 grew to 2, 6 billion in 1995, and it is expected to grow to 5,1billion till 2030. The biggest growth will be in less developed countries.In the last fifty years inhabitants of these regions experienced a transformation from mainly rural to urban (nearly 40%)citizens. In 2030 urban population will include 57% of total world population in less developed countries and up to 84% in developed countriesMany areas tend to establish a continuous process of urbanization even though they do not have the means (low national income, infrastructure, social system, protection of environment). Many urban areas are not capable of expanding their urban network as fast as their population grows. Urban growth often influences the agricultural land, destroys natural resources and endangers fragile ecosystems. Except of the size of the population, many other demographic characteristics influence the levels of use of natural resources. There are many researches, for example the influence of age structure, working ability, educational level and family structure on the ties between population, resources and environment. URBANSYSTEMS

Picture 3. (Urban sytem with a circular metabolisam)Every city is a part of an interconnected urban system, which is, on the other hand, a part of regional, national and international urban system. In this way cities make a complex network. Urban systems organize the space through hierarchy of cities by their size and function. Many of these hierarchically organized urban systems have common characteristics depending on size and place where cities are located. If we observe the urban systems and their characteristics, first thing we can notice is that some cities become centers of market over time. This creates a theory of central places which is based on five concepts: The concept of central place a settlement which provides service to people who live in the reach of that settlement; The concept of functions types of given services and their rang, starting with everyday necessities to higher rang serviceswhich people need in restricted intervals. The concept of minimal population- refers to a minimal number of people needed so as the realization of functions would be economical; The concept of rang of goods or services- the shortest distance which residents cross in order to get goods or services which central place offers. The concept of hierarchy organization of central places according to their rang.Central places are competitive with each other and as the result comes their hierarchy. In theory there are three principles of hierarchical arrangement of central places: Marketing principle Transport principle Administrative principleUrban systems develop by fallowing the changes in society, political system and economical environment.Generally speaking, the evolution of urban systems is almost the same in all parts of the world. In the beginning, there is a phase of establishing the urban areas. In this phase, communities agriculturally oriented transform gradually in urban communities.The progress of mobility and expansion of activities characteristic for urban areas, leads to the creation of bigger urban areas, often on the expense of smaller ones. This is the phase of urban differentiation. Early phase of urban differentiation is often connected to a problem of early urbanization, which leads to oversized urbanization.In the urbanization phase two concepts of migration are noticed, which dominate in the structure of citys development: Migrations connected to productivity (in order to secure a work position), characteristic for undeveloped countries and countries in transition; Environmentalism(in order to secure better living conditions), characteristic for developed countries. Environmentalism can be clearly seen as the leading power of counter urbanization.Urban system goes through three stages of development: Convergence phase, when urban system tends to create primate cities; Urbanization phase, which can be seen as an early phase of the development of primate cities; Divergence phase, which corresponds to final phase in development of primate cities and formation of system of cities.

URBAN STUDIES

Urban studies is the term for a diverse range of disciplines and approaches to the study of all aspects of cities, their suburbs, and other urban areas. This includes among others: urban economics, urban planning, urban ecology, urban transportation systems, urban politics, sociology and urban social relations. This can be contrasted with the study of rural areas and rural lifestyles.Urban economics is broadly the economic study of urban areas; as such, it involves using the tools of economics to analyze urban issues such as crime, education, public transit, housing, and local government finance. More narrowly, it is a branch of microeconomics that studies urban spatial structure and the location of households and firms.Much urban economic analysis relies on a particular model of urban spatial structure, the monocentric city model pioneered in the 1960s by William Alonso, Richard Muth, and Edwin Mills. While most other forms of neoclassical economics do not account for spatial relationships between individuals and organizations, urban economics focuses on these spatial relationships to understand the economic motivations underlying the formation, functioning, and development of cities.Urban planning (urban, merged urban regions, regional, city, and town planning) is a technical and political process concerned with the use of land and design of the urban environment, including air and water and infrastructure passing into and out of urban areas such as transportation and distribution networks.Urban planning guides and ensures the orderly development of settlements and satellite communities which commute into and out of urban areas or share resources with it. It concerns itself with research and analysis, strategic thinking, architecture, urban design, public consultation, policy recommendations, implementation and management.Urban ecology is the scientific study of the relation of living organisms with each other and their surroundings in the context of an urban environment. The urban environment refers to environments dominated by high-density residential and commercial buildings, paved surfaces, and other urban-related factors that create a unique landscape dissimilar to most previously studied environments in the field of ecology.Urban transportation systemsin large developing cities face major challenges due to the continuous growth of urban population, private vehicle ownership, congestion, and the fragility of public transportation systems. When the urban transport system experiences major difficulties, consequences are felt by households, by businesses, and by the urban community at large. Transport may become a binding constraint on both economic growth and social development and inclusion, along with increased negative impacts on health and on the environment. Urban politics is politics in and about cities. This term refers to the diverse political structure that occurs in urban areas where there is diversity in both race and socio-economic status. Urban politics is political science that falls into the field of urban studies, which incorporates many aspects of cities, suburbs, and urbanization. This includes such topics as: The structure of political power. Race, ethnic, class, and gender relations in cities and suburbs. The politics of space and spatial relationships.Urban sociologyand urban social relations is the sociological study of life and human interaction in metropolitan areas. It is a normative discipline of sociology seeking to study the structures, processes, changes and problems of an urban area and by doing so provide inputs for planning and policy making. In other words it is the sociological study of cities and their role in the development of society.

CONCLUSION

Before the mankind there was a harmonic connection and dependence in ecological balance between living beings. Ecological imbalance is caused by mans need to take over the nature and create some new products.This leads not only to theproblems withthe ecological imbalance of the ecosystem but to the problem of diminishing the humans integrity and survivor. Urbanization in the world must be kept in normal boundaries according to all ecological laws. Urbanization must be conducted according to human needs. The balance between the living beings and their environment should not be disrupted. The concept of sustainable growth in accordance with ecological laws offers the possibility of harmonic development.

REFERENCES

Policy of sustainable development, Milutinovi Slobodan (2012.)

Urbanization and sustainable development, Milutinovi Slobodan (2004.)

www.buisnessdictionary.com

Urban environment and urbanization-developing countries, Dobrivoje Tokovi (2006.)