scholarly journals Development of water supply services for the formation of eco-friendly city environment

2021 ◽  
Vol 937 (4) ◽  
pp. 042027
Author(s):  
A Mottaeva
Keyword(s):  
Water Supply ◽  
Water Reuse ◽  
City Planning ◽  
Municipal Services ◽  
Resource Saving ◽  
City Environment ◽  
City Population ◽  
The City ◽  
Water Supply Services

Abstract The study of possibilities of the improvement of services of water supply of the services on the basis of the principles of resource-saving is the objective of this research. The authors analyzed the general trends, features and problems of providing the population with drinking water in the cities. The authors consider it expedient to use the classification of the water, used in the fleet, but also to correct it for houses. Some actions for management of the decrease in volumes of water consumption by the population were offered on the basis of this classification. The possibility of implementation of systems of water reuse in the course of rendering services of water supply to the population were technically and are economically proved. The perspective directions of the development of services of water supply of the city population were proved economically. The results and offers which are contained in this article can be useful for the authorities when developing city-planning projects, for employees of housing-and-municipal services, services responsible for ecological wellbeing in the cities, and for other specialists.

Research of City Environmental Pollution and City Planning for the Future

2014 ◽  
Vol 908 ◽  
pp. 375-378
Author(s):  
Peng Zhang
Keyword(s):  
Environmental Pollution ◽  
Environmental Planning ◽  
City Planning ◽  
Living Environment ◽  
Effective Solution ◽  
City Environment ◽  
Environment Problem ◽  
The People ◽  
The Future ◽  
The City

City environment problem increasingly troubles the people living in the city. What the human doings are against the city environment and damage their homes. This paper analyzes the causes of city environmental pollution and several aspects of pollution, and probes into the problems of city pollution and environmental planning for the future. The goal is to find an effective solution to resolve these problems. Finally, the solution of the problem from three aspects in city planning is proposed for improving the living environment and purifying homes.

Chihuahua: a water reuse case in the desert

2004 ◽  
Vol 50 (2) ◽  
pp. 323-328 ◽  
Author(s):  
M.-S. Espino ◽  
C.-J. Navarro ◽  
J.-M. Pérez
Keyword(s):  
Water Supply ◽  
Water Reuse ◽  
Reclaimed Water ◽  
Educational Institutions ◽  
Secondary Effluent ◽  
Planning Strategy ◽  
Groundwater Aquifers ◽  
The Government ◽  
Industrial Zones ◽  
The City

Water supply for all kind of uses in Chihuahua is mainly groundwater. During the last decade this city has been damaged with a heavy hydrologic crisis because of a persistent drought. This came up with the overexploitation of groundwater aquifers; therefore a deficit between demand and offer was done. To minimize this problem the government authorities have started an integral plan of optimizing hydrologic resources which considers the treatment of wastewater and the use of reclaimed water. The secondary wastewater treatment facility of the city treats about 30,000 m3/d of a wastewater with high organic contents, and produces an effluent with low concentration of suspended solids, organic matter, fats, detergents, and metals. Reclaimed water is conveyed toward strategic sites for the irrigation of great green areas in sport clubs, educational institutions and industrial zones, besides of its utilization on some manufacturing processes, road service, and also over construction industry. The potential reuse of this water goes farther from those activities; the treatment of the secondary effluent until the required levels of the water-bearing recharge criteria are met for drinking water supply is considered as the next step to achieve through a suitable planning strategy for the best integral resource advantage.

Water Supply Services in Spanish Cities and the Debate on Private Participation in Their Management: Which Model is Most Efficient?

2021 ◽  
Author(s):  
Martín Sevilla-Jimenez ◽  
Teresa Torregrosa ◽  
Julian López-Milla ◽  
Jose Perles-Ribes
Keyword(s):  
Private Sector ◽  
Water Supply ◽  
Public Management ◽  
Municipal Services ◽  
Political Debate ◽  
Private Companies ◽  
Private Participation ◽  
Ministry Of Finance ◽  
Concession Contract ◽  
Water Supply Services

Abstract Supplying water to the population is one of the fundamental services of any Spanish city given the importance of the good itself, regardless of how it is managed. However, it is sometimes seen more as a source of extra finance for the municipality, and, in recent years, as an issue of political debate in terms of the adequacy of one form of management or another: public or private. Currently, 35% of Spain's population is supplied by public specialised entities, 33% by private companies under a concession contract, 22% by mixed companies and 10% by undifferentiated municipal services. In simple terms, 45% corresponds to public management and 55% is fully or partially managed by the private sector. By analysing the annual accounts of the companies that operate in the Spain's principal municipalities, this study seeks to determine the role played by the private sector in the management of the mixed companies. Due to the diversity of services provided by these companies and the lack of differentiated statistics for each of them, we have used the Annual Accounts presented to the Central Mercantile Register or the data submitted to the Ministry of Finance in order to assess the influence of private participation on the results of the companies.

Peopling the Cities

2021 ◽  
pp. 31-53
Author(s):  
David Dickson
Keyword(s):  
Child Death ◽  
Urban Life ◽  
Physical Growth ◽  
City Environment ◽  
City Population ◽  
Demographic Processes ◽  
To Come ◽  
And Migration ◽  
Uncertain Outcomes ◽  
The City

This chapter begins by describing the striking physical growth of Irish cities such as Dublin, Cork, and Belfast, then investigates the causes of such growth. It demonstrates how pre-industrial cities across Europe depended for their survival on attracting a constant flow of outsiders to come and settle. People came for a great variety of motives and faced very uncertain outcomes. The chapter then outlines the underlying demographic processes at work in Ireland and a rigorous investigation of the city population. It studies the urban-social enquiry in Ireland, and argues that all Irish cities and regional centers witnessed powerful long-term growth of population. The chapter discusses Ireland's urban life expectancy, the pernicious levels of infant and child death in the city environment, fertility change and levels, and migration and apprenticeships. It looks into the most compelling evidence on internal migration to the cities: the changing religious composition of most Irish cities.

PRINCIPLE OF CLASSIFICATION OF URBAN WAYFINDING OBJECTS

2020 ◽  
Vol 1 (4) ◽  
pp. 39-49
Author(s):  
V. А. Vorozheykina ◽  
Keyword(s):  
Visual Information ◽  
Path Finding ◽  
City Environment ◽  
Good Level ◽  
City Space ◽  
Architectural Structures ◽  
Street Furniture ◽  
The City

Questions concerning the study of the phenomenon of urban wayfinding are particularly relevant nowadays, since there is a number of problems related to orientation in the city. As bearers of light and colour, urban wayfinding objects help pedestrians and drivers to quickly navigate in a complex city environment. Urban wayfinding refers to special constructions that are installed in certain places and contain visual information in the form of text and signs. There are complex wayfinding systems consisting of several types of structures, as well as individual navigation elements with different visual designs. In addition to special guiding structures, many objects in the city space affect the path finding: architectural structures, monuments, street furniture, advertising objects (large banner structures), etc. At night, objects with a good level of illumination serve as a means of orientation. The article analyzes the objects of the city environment in terms of their navigational potential and provides a classification of urban wayfinding objects by their degree of dynamism.

scholarly journals The Development of the Athens Water Supply System and Inferences for Optimizing the Scale of Water Infrastructures

2019 ◽  
Vol 11 (9) ◽  
pp. 2657 ◽  
Author(s):  
G.-Fivos Sargentis ◽  
Romanos Ioannidis ◽  
Georgios Karakatsanis ◽  
Stavroula Sigourou ◽  
Nikos D. Lagaros ◽  
...  
Keyword(s):  
Water Supply ◽  
Water Supply Systems ◽  
Capital Investments ◽  
Local Data ◽  
City Population ◽  
Big City ◽  
Water Scarce ◽  
The Cost ◽  
Supply Systems ◽  
The City

Modern organized societies require robust infrastructures, among which hydraulic projects, such as water supply and drainage systems, are most important, particularly in water-scarce areas. Athens is a unique example because it is a big city (population 3.7 million) located in a very dry area. In order to support the development of the city, large hydraulic projects had to be constructed during its history and, as a result, Athens currently has one of the largest water supply systems in the world. Could Athenians choose smaller scale infrastructures instead? Analyzing social, technical and economical historical data, we can see that large capital investments were required. In order to evaluate these investments this paper presents a technical summary of the development. An economic analysis displays historical values of these investments in present monetary values. The cost of existing infrastructure is compared to the cost of constructing smaller reservoirs and a model is created to correlate the price of water and the cost of water storage with the size of reservoirs. In particular, if more and smaller reservoirs were built instead of the large existing ones, the cost of the water would significantly increase, as illustrated by modelling the cost using local data.

scholarly journals The ecological approach to the city-planning in modern megalopolises

2019 ◽  
Vol 91 ◽  
pp. 05026 ◽  
Author(s):  
Dmitry Radushinsky ◽  
Thi Nhan Nguyen ◽  
Van Loc Nguyen ◽  
Marina Gubankova ◽  
Doan Thi Mai Huong ◽  
...  
Keyword(s):  
City Planning ◽  
Green Roofs ◽  
Asia Pacific ◽  
Ecological Approach ◽  
Pacific Region ◽  
Asia Pacific Region ◽  
The World ◽  
Center City ◽  
The City

The paper discusses the main stages of development and the fundamental structure of modern green roofs, the advantages and limitations of creating green roofs, features of creating green roofs in Vietnam and other countries of the Asia-Pacific Region, features of the concept of “exploited roofing” in Russia. The authors assessed the degree of greening of roofs in the center (city) of a number of major megacities of the world in 2015-2018, the level of greening of roofs in St. Petersburg, qualitative research and classification of projects for creating green roofs for various purposes and scale. The following key parameters were established, which determined the differences in the implementation of various types of projects for creating green roofs for various purposes and scale (area): the main categories of users / visitors, the main features of various types of projects, their environmental and innovative characteristics, the range of budget values and deadlines for completed projects. The branded names of the implemented roof gardening projects in St. Petersburg are given.

STUDY OF ORNAMENTS IN HUNTO SULTAN AMAY MOSQUE GORONTALO

ARTic ◽  
2019 ◽  
Vol 4 ◽  
pp. 167-176
Author(s):  
Risti Puspita Sari Hunowu
Keyword(s):  
Qualitative Method ◽  
The Other ◽  
Visual Form ◽  
Research Material ◽  
Other Hand ◽  
The World ◽  
Existing Form ◽  
The City ◽  
Dutch Colonial

This research is aimed at studying the Hunto Sultan Amay Mosque located in Gorontalo City. Hunto Sultan Amay Mosque is the oldest mosque in the city of Gorontalo The Hunto Sultan Amay Mosque was built as proof of Sultan Amay's love for a daughter and is a representation of Islam in Gorontalo. Researchers will investigate the visual form of the Hunto Sultan Amay Mosque which was originally like an ancient mosque in the archipelago. can be seen from the shape of the roof which initially used an overlapping roof and then converted into a dome as well as mosques in the world, we can be sure the Hunto Sultan Amay Mosque uses a dome roof after the arrival of Dutch Colonial. The researcher used a qualitative method by observing the existing form in detail from the building of the mosque with an aesthetic approach, reviewing objects and selecting the selected ornament giving a classification of the shapes, so that the section became a reference for the author as research material. Based on the analysis of this thesis, the form  of the Hunto Sultan Amay mosque as well as the mosques located in the archipelago and the existence of ornaments in the Hunto Sultan Amay Mosque as a decorative structure support the grandeur of a mosque. On the other hand, Hunto Mosque ornaments reveal a teaching. The form of a teaching is manifested in the form of motives and does not depict living beings in a realist or naturalist manner. the decorative forms of the Hunto Sultan Sultan Mosque in general tend to lead to a form of flora, geometric ornaments, and ornament of calligraphy dominated by the distinctive colors of Islam, namely gold, white, red, yellow and green.

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