UPGRADE OF URBAN AREA PROTECTION TECHNIQUES VS NEGATIVE IMPACT OF UNEQUIPPED CONSTRUCTION WASTE DUMPS

2011 ◽  
Vol 1 (1) ◽  
pp. 106-110
Author(s):  
Yu. M GALITsKOVA

The problems of urban pollution with construction waste, formed in the course of repair, reconstruction and construction of different units are considered. The results of soil tests underneath unequipped dumps are provided. The means of construction waste dumps liquidation in urban areas ensuring minimal negative environmental impacts are described.

2019 ◽  
Vol 49 (1) ◽  
Author(s):  
Sanja Brekalo Lazarević ◽  
Edina Handžić ◽  
Abdel Đozić ◽  
Ivana Lazarević ◽  
Zahida Ademović ◽  
...  

The development of industry, agriculture, transport and urbanization has resulted in excessive emissions of heavy metals into the environment, which due to their bioaccumulative properties express negative effects on the environment and living organisms as a whole. In this work the presence of heavy metals in the soil samples of the urban area of Lukavac and Kalesija municipality and their effect on the health of the population were studied. Soil samples were collected in October 2017 at five locations in the urban area of Lukavac municipality and two urban locations in Kalesija municipality. Concentrations of chromium (Cr) copper (Cu), cobalt (Co), nickel (Ni), cadmium (Cd), lead (Pb), manganese (Mn), iron (Fe) and zinc (Zn) in the soil samples were determined. The results indicated that in some locations the concentration of heavy metals exceeded the maximum permissible concentration (MPC). MPC value for chromium was exceeded at four locations in the urban area of Lukavac, whereas MPC value for nickel and cadmium was exceeded at all locations. In Kalesija, MPC value was exceeded for chromium and nickel at one location, while cadmium MPC was exceeded at both locations. The negative impact of heavy metals on the health of the population is the cause of many malignant diseases. Statistical analysis of the number of patients with malignant diseases in the area of the Lukavac and Kalesija revealed significantly higher prevalence of malignant diseases of the lungs, breast, skin and cervix in the Lukavac (p<0,05) in comparisson to Kalesija municipality.


2018 ◽  
Vol 193 ◽  
pp. 01034 ◽  
Author(s):  
Botir Giyasov ◽  
Irina Giyasova

Environmental issues in cities are some of the causes of reduction in the average life expectancy of people, increase in the incidence and mortality of the population. According to scientists, health of the urban population is 20% dependent on the state of the natural environment. Urban residents are more likely to suffer from cardiovascular diseases, respiratory diseases, and blood circulation problems. In the course of urban development, people have a significant negative impact on the biosphere, changing it and being a part of it, they experience the consequences of these changes on themselves. This situation is complicated by the lack of a unified approach among civil engineers, architects, hygienists and environmentalists in the matters of organizing a residential environment. The article focuses on identification and analysis of sources of pollution affecting the air basin of modern cities. A comparative analysis of the transport and construction industries and their role in urban pollution is carried out. Using the example of the city of Moscow, calculations have been made and the indicators of the wind speed variation along the height of the building have been determined, depending on the type of terrain. These data allow assessing the formation of air exchange in urban areas and can be used to solve the problems of improving the urban environment.


2021 ◽  
Author(s):  
◽  
David Ferrari

<p>In many countries around the world, contemporary urban ports have a major economical, infrastructural, and dominant presence along strategic waterfront edges. In terms of public life, these industrial private entities disconnect themselves from their parent city due to the interaction between a number of factors, namely; topography, orientation, positioning, port typology, the safety and functionality of ports, urban planning, and the effects on the natural ecology. The changing nature of how a city utilizes their waterfront questions whether urban ports have a role within the heart of the city. The potential to restructure port areas and their surrounding spaces that have been effected by development leads to the creation of dynamic public life entities. With these large infrastructural entities, the areas surrounding the boundaries are compromised and are trapped in a confusion of development and derelict design. Trapped landscapes often have detrimental effects on natural environments. This negative impact can be seen in the urban fabric of the city, and in the public well-being and life of the occupants of those spaces.  This thesis investigates urban areas trapped by functioning port infrastructure, specifically the area known as the Quay Park Quarter, situated in Auckland, New Zealand. The Ports of Auckland Ltd (POAL), directly north of the area, imposes a dominating, privatised and industrial statement to contribute to the nature of this trapped landscape. The Quay Park Quarter includes heritage sites, railway infrastructure, and ad-hoc developments, some of which were initially intended to rejuvenate the area.  This thesis aims to address the privatised issues surrounding the contemporary urban port by challenging the role and incorporation of public life as a means to restructure such areas. This thesis argues that active port areas can be reconfigured, restructured and reimagined in ways in which to utilize public life along active waterfront networks. This thesis will also argue that this utilization of public life can actively change the way in which trapped landscapes can be restructured for the future. By considering the ecological impact, the city’s growth and surrounding developed areas, positive changes can be made at multiple scales within the city context.  This thesis proposes that this can be investigated through observing three interrelated scales to discover city systems and functions, the intimate, neighbourhood and metropolitan. The intimate scale involves the interactions with one’s self in the environment that surrounds them, as well as the composition of all things to create public life. This creates a sense of locality for being in the environment. Because of the port’s impact on this urban area as well as its external and internal functions, the neighbourhood scale addresses the reconfiguration and restructuring of the port infrastructure that has impacted this trapped urban area. The metropolitan scale involves how the public life network fits within the context of the city, through the means of landscape infrastructural components. The collaboration of these three scales allows for an interchange between what the human can experience in addition to the systematic functionality of the city. This offers unique insight beyond the master planning of such urban areas to actively engage with life on the ground. The reconfiguration and restructuring aspects of these areas allow for a variety of resolutions to both actively engage with public life within industrial areas and facilitate the release of trapped landscapes back into the surrounding context of these areas.</p>


Author(s):  
D. Halder ◽  
R. D. Garg

Abstract. The cities where the future happens first, they are open, creative, cosmopolitan and sexy and the perfect antidote to reactionary nationalism but the urbanization in unplanned manner is becoming an environmental-social-economical threat to accommodate the huge number of population which is literally boosting the present situation of climate change due to global warming. Extracting, measuring and treating the urban area which compiles of dense built-up and complex road network, is very essential to decrease the negative impact on environment. If most of the impervious surfaces can be replaced with permeable or semi-permeable materials or solar panel then the habitation will be saved from natural disastrous events like heat wave and flash flood. Urbanization can be categorized mainly into two: a) Static (urban open space + built space) and b) Dynamic (transportation). The static and dynamic urbanizations largely consist of impermeable or impervious materials. Impervious surfaces are alluded as the anthropogenic elements through that water can't infiltrate into the soil, such as streets, driveways, parking areas, houses, structures etc. An urban area is a densely populated human settlement, facilitated with multiple infrastructures including built and un-built. These areas or settlements are categorized as towns, suburbs, cities by urban morphology. Through balancing the ratio between the un-built (urban space) and built (building &amp; roads), urban disastrous events can be minimized. This research mainly focused on the extraction of impervious areas using regression modelling approach which is used to generate an impervious surface map from Sentinel-2A dataset of Delhi. Utilising multiple normalised indices can provide better classification results. This study shows that in urban areas imperviousness is becoming one of the prominent computational parameter and monitoring impervious areas could help us understand a lot of urban phenomena which are built-up induced and its rapid change in urban environment is giving rise to unhealthy living conditions.


2020 ◽  
Vol 24 (3) ◽  
pp. 205-220
Author(s):  
Tamás Hardi ◽  
Gabriela Repaská ◽  
Ján Veselovský ◽  
Katarína Vilinová

One of the most important territorial processes in the highly urbanised continent of Europe is suburbanisation, urban sprawl which occurs in a gradual manner over long periods and is not perceived as dramatic. Nevertheless the built-up urban areas and the urban lifestyle occupy step by step the periurban territories. Urban sprawl affects the essential environmental, economic and social functions of the impacted settlements. In the last decades these processes reached the less urbanised Central European region, leading to very fast and less planned changes in its settlement system. The research deals with these processes in the Central European non-metropolitan areas, around regional centres, and with their environmental impacts. The aim of this paper is, based on theoretical and empirical knowledge, to point out to spatial patterns of urban sprawl and suburbanisation in functional urban areas (FUA). This paper examines the urban sprawl and its impacts in Slovakia in the case of Nitra Functional Urban Area, in the agglomeration of an economically growing regional centre. The research is based on standard geographical methods including field research. Desktop and field empirical researches were conducted, with different methods such us GIS analysis of land use change. The analysis shows then to what extent cities and urban areas grow, from which one can conclude to how landscape surrounding the urban residential areas has changed, how the proportion of non-permeable surfaces increased, basically influencing the runoff of precipitation. The data demonstrate, moreover, how artificial patches and barriers fragment landscape more and more, endangering thereby biodiversity and decreasing green surfaces. The examination covers the 2000-2018 period, using the CORINE CLC 2000, 2006, 2012 and 2018 databases. Thereby the authors are able to examine changes in a longer period of almost two decades, and three internal periods. All this is compared to the demographic changes of the urban area of Nitra as well, in order to see to what extent the change in the number of population contributes to the transformation of land cover and thereby to environmental impacts. The characteristic features of Nitra and its hinterland within this are analysed, then the Nitra FUA and within that the suburban zone is examined in detail. Nitra and its area feature high enlargement dynamics looking at the whole of the period, compared to other FUAs. It is typical almost everywhere that the enlargement of areas surrounding cities is more intensive than the growth of the city itself, which demonstrates general suburbanisation.


Author(s):  
Xinyu Cao ◽  
Jill A. Hough

Many programs of the SAFETEA-LU have pointed to improving transit services and individuals' accessibility in small urban areas. Urban economic theory suggests that improving accessibility by investing in transportation has the potential to drive up bids for land. However, will the improved transit accessibility in small urban areas increase property values? A number of studies have investigated the impact of rail transit on home sales but produced mixed results. Further, few studies have explored how transit influences the lease rate of apartments. This question is more relevant because transit accessibility tends to have a greater impact on apartment dwellers than home owners. Using about 400 apartment dwellers in Fargo, North Dakota, this study developed a hedonic price model to determine implicit price of proximity to bus routes. We found a negative impact of bus transit on apartment rent after controlling for other factors, however. We speculated that in a small urban area, this negative relationship could be mainly attributable to spurious relationships from other causal factors, as well as nuisance effects of bus transit itself.


2021 ◽  
Author(s):  
◽  
David Ferrari

<p>In many countries around the world, contemporary urban ports have a major economical, infrastructural, and dominant presence along strategic waterfront edges. In terms of public life, these industrial private entities disconnect themselves from their parent city due to the interaction between a number of factors, namely; topography, orientation, positioning, port typology, the safety and functionality of ports, urban planning, and the effects on the natural ecology. The changing nature of how a city utilizes their waterfront questions whether urban ports have a role within the heart of the city. The potential to restructure port areas and their surrounding spaces that have been effected by development leads to the creation of dynamic public life entities. With these large infrastructural entities, the areas surrounding the boundaries are compromised and are trapped in a confusion of development and derelict design. Trapped landscapes often have detrimental effects on natural environments. This negative impact can be seen in the urban fabric of the city, and in the public well-being and life of the occupants of those spaces.  This thesis investigates urban areas trapped by functioning port infrastructure, specifically the area known as the Quay Park Quarter, situated in Auckland, New Zealand. The Ports of Auckland Ltd (POAL), directly north of the area, imposes a dominating, privatised and industrial statement to contribute to the nature of this trapped landscape. The Quay Park Quarter includes heritage sites, railway infrastructure, and ad-hoc developments, some of which were initially intended to rejuvenate the area.  This thesis aims to address the privatised issues surrounding the contemporary urban port by challenging the role and incorporation of public life as a means to restructure such areas. This thesis argues that active port areas can be reconfigured, restructured and reimagined in ways in which to utilize public life along active waterfront networks. This thesis will also argue that this utilization of public life can actively change the way in which trapped landscapes can be restructured for the future. By considering the ecological impact, the city’s growth and surrounding developed areas, positive changes can be made at multiple scales within the city context.  This thesis proposes that this can be investigated through observing three interrelated scales to discover city systems and functions, the intimate, neighbourhood and metropolitan. The intimate scale involves the interactions with one’s self in the environment that surrounds them, as well as the composition of all things to create public life. This creates a sense of locality for being in the environment. Because of the port’s impact on this urban area as well as its external and internal functions, the neighbourhood scale addresses the reconfiguration and restructuring of the port infrastructure that has impacted this trapped urban area. The metropolitan scale involves how the public life network fits within the context of the city, through the means of landscape infrastructural components. The collaboration of these three scales allows for an interchange between what the human can experience in addition to the systematic functionality of the city. This offers unique insight beyond the master planning of such urban areas to actively engage with life on the ground. The reconfiguration and restructuring aspects of these areas allow for a variety of resolutions to both actively engage with public life within industrial areas and facilitate the release of trapped landscapes back into the surrounding context of these areas.</p>


2015 ◽  
Vol 26 (3-4) ◽  
pp. 116-123
Author(s):  
A. P. Korzh ◽  
T. V. Zahovalko

Recently, the number of published works devoted to the processes of synanthropization of fauna, is growing like an avalanche, which indicates the extreme urgency of this theme. In our view, the process of forming devices to coexist with human and the results of his life reflects the general tandency of the modern nature evolution. Urbanization is characteristic for such a specific group of animals like amphibians, the evidence of which are numerous literature data. Many researchers use this group to assess the bioindicative quality of the environment. For this aim a variety of indicators are used: from the cellular level of life of organization up to the species composition of the group in different territories. At the same time, the interpretation of the results is not always comparable for different areas and often have significantly different interpretations by experts. Urban environment, primarily due to the contamination is extremely aggressive to amphibians. As a consequence, the urban populations of amphibians may be a change in the demographic structure, affecting the reproductive ability of the population, the disappearance of the most sensitive species or individuals, resizing animals, the appearance of abnormalities in the development, etc. At the same time play an important amphibians in the ecosystems of cities, and some species in these conditions even feel relatively comfortable. Therefore, it is interesting to understand the mechanisms of self-sustaining populations of amphibians in urban environments. To assess the impact of natural and anthropogenic factors on the development of amphibian populations were used cognitive modeling using the program Vensim PLE. Cognitive map of the model for urban and suburban habitat conditions were the same. The differences concerned the strength of connections between individual factors (migration, fertility, pollution) and their orientation. In general, factors like pollution, parasites, predators had negative impact on the population, reducing its number. The birth rate, food and migration contributed to raising number of individuals. Some of the factors affected on the strength to of each other as well: the majority of the factors affected the structure of the population, had an influence on the fertility. Thanks to it the model reflects the additive effect of complex of factors on the subsequent status of the population. Proposed and analyzed four scenarios differing strength and duration of exposure. In the first scenario, a one-time contamination occurs and not subsequently repeated. The second and third scenario assumes half board contamination, 1 year (2 scenario) and two years (scenario 3). In the fourth scenario, the pollution affected the population of amphibians constantly. In accordance with the results of simulation, much weaker than the natural populations respond to pollution - have them as an intensive population growth and its disappearance at constant pollution is slow. Changes to other parameters of the model showed that this pollution is the decisive factor -only the constant action leads to a lethal outcome for the populations. All other components of the model have a corrective effect on the population dynamics, without changing its underlying trand. In urban areas due to the heavy impact of pollution maintaining the population is only possible thanks to the migration process – the constant replenishment of diminishing micropopulations of natural reserves. This confirms the assumption that the form of existence metapopulations lake frog in the city. In order to maintain the number of amphibians in urban areas at a high level it is necessary to maintain existing migration routes and the creation of new ones. Insular nature of the placement of suitable habitats in urban areas causes the metapopulation structure of the types of urbanists. Therefore, the process of urbanization is much easier for those species whicht are capable of migration in conditions of city. In the initial stages of settling the city micropopulationis formed by selective mortality of the most susceptible individuals to adverse effects. In future, maintaining the categories of individuals is provided mainly due to migration processes metapopulisation form of the species of existence is supported). It should be noted that the changes in the previous levels are always saved in future. In the case of reorganizations of individuals we of morphology can assume the existence of extremely adverse environmental conditions that threaten the extinction of the micropopulations. 


Patan Pragya ◽  
2019 ◽  
Vol 5 (1) ◽  
pp. 19-32
Author(s):  
Chhabi Ram Baral

Urban poverty is one of multidimensional issue in Nepal. Increasing immigration from the outer parts of Kathmandu due to rural poverty, unemployment and weak security of the lives and the properties are core causes pushing people into urban areas. In this context how squatter urban area people sustain their livelihoods is major concern. The objectives of the study are to find out livelihood assets and capacities squatters coping with their livelihood vulnerability in adverse situation. Both qualitative and quantitative methods are applied for data collection. It is found that squatters social security is weak, victimized by severe health problems earning is not regular with lack of physical facilities and overall livelihood is critical. This study helps to understand what the changes that have occurred in livelihood patterns and how poor people survive in urban area.


2020 ◽  
Vol 13 (2) ◽  
pp. 44-54
Author(s):  
Hendrico Firzandy Latupeirissa ◽  
Gierlang Bhakti Putra ◽  
Niki Prastomo

Brick debris that makes up the majority of construction waste has not received proper waste disposal in Indonesia. On the other hand, brick debris could be potentially reused as non-structural building materials to reduce its negative impact on the environment. This study aims to test the effectiveness of soundproofing on recycled brick debris. The soundproof test was carried out on brick debris in the form of fine and coarse grains. The simulation box is then used as a support for the brickwork material and then the box is exposed to a sound source with a certain level of noise that is considered disturbing human comfort. Noise level measurements are made in the outside and inside the box. These measurements are tabulated and then analyzed to see the success of the two aggregates in reducing noise. Basically, the brickwork material has succeeded in becoming a recycled building material that can absorb noise, although further research must be carried out to be able to state that this material is truly ready to be used as an alternative building material with good acoustic capabilities.


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