scholarly journals Regional Assessment of Urban Impacts on Landcover and Open Space Finds a Smart Urban Growth Policy Performs Little Better than Business as Usual

PLoS ONE ◽  
2013 ◽  
Vol 8 (6) ◽  
pp. e65258 ◽  
Author(s):  
James H. Thorne ◽  
Maria J. Santos ◽  
Jacquelyn H. Bjorkman
Keyword(s):  
Urban Growth ◽  
Open Space ◽  
Regional Assessment ◽  
Urban Impacts ◽  
Growth Policy ◽  
Business As Usual ◽  
Better Than

The Struggle for the Manama Greenbelt

2017 ◽  
Author(s):  
Gareth Doherty
Keyword(s):  
Urban Growth ◽  
Open Space ◽  
Master Plan ◽  
Main Argument ◽  
Urban Center ◽  
New Developments ◽  
Green Area ◽  
New Buildings ◽  
Better Than

This chapter maintains that no area in the country shows the paradoxes of Bahrain's greenery better than the Manama greenbelt. The idea of preserving a green area situated west of the capital originated in the early 1970s. Most people seem resigned to the fact that despite intentions of protecting the greenbelt, the greenery will likely be depleted and replaced with new buildings. These new developments are still curiously colored green, however, often even greener than the palms they replace. The main argument for the preservation of the greenbelt centered on the fact that the Manama master plan adequately provided for twenty to thirty years of urban growth, and there was a need for a recreational open space near the dense urban center that Manama would become.

scholarly journals Система терагерцевой спектроскопии газовых смесей на основе твердотельных сверхпроводниковых источника и приемника терагерцевого диапазона

2021 ◽  
Vol 63 (9) ◽  
pp. 1204
Author(s):  
Н.В. Кинев ◽  
К.И. Рудаков ◽  
Л.В. Филиппенко ◽  
В.П. Кошелец
Keyword(s):  
Spectral Resolution ◽  
Open Space ◽  
Spectral Characteristics ◽  
Gas Mixture ◽  
Sis Receiver ◽  
Wide Range ◽  
A Cell ◽  
Transmitting Antenna ◽  
Josephson Oscillator ◽  
Better Than

In this paper, we demonstrate the application of a terahertz (THz) Josephson oscillator based on a tunnel superconductor-insulator-superconductor (SIS) long junction coupled to a transmitting antenna and emitting a signal to open space, for gas spectroscopy. The oscillator is utilized as an active source, the signal of which is absorbed by a gas mixture in a cell 60 cm long and then detected by a spectrometer based on a SIS receiver with a spectral resolution of better than 100 kHz. In the experiment, the absorption lines of ammonia and water in the THz range were recorded, and the dependence of the absorption spectral characteristics on the pressure of the gas mixture was shown in a wide range (from 0.005 to 10 mbar).

scholarly journals Urban Growth: From pixel to reality

2019 ◽  
Vol 1 ◽  
pp. 1-1
Author(s):  
Shyamantha Subasinghe
Keyword(s):  
Pattern Recognition ◽  
Urban Growth ◽  
Growth Pattern ◽  
Open Space ◽  
Spatial Configuration ◽  
Urban Land ◽  
Growth Patterns ◽  
Zone Model ◽  
Spatial Pattern Analysis ◽  
Ancillary Data

<p><strong>Abstract.</strong> Urban growth is a complex process created through the interaction of human and environmental conditions. The spatial configuration and dynamic process of urban growth is an important topic in contemporary geographical studies (Thapa and Murayama, 2010). However, urban growth pattern recognition is a challengeable task and it has become one of the major fields in Cartography. Since classical era of cartography, several methods have been employed in modelling and urban growth pattern recognition. It shows that there is no agreement among cartographer or any other spatial scientists on how to map the diverse patterns of urban growth.</p><p>Typical urban theories such as von Thünen’s (1826) bid-rent theory, Burgess’s (1925) concentric zone model, Christaller’s (1933) central place theory, and Hoyt’s (1939) sector model explain the urban structure in different manner. Most of them do not contribute to visualize the urban growth pattern spatiotemporally. Recently, by addressing this limitations, several sophisticated methods are used in urban growth visualization. Among them, morphological spatial pattern analysis (MSPA) is one of emerging raster data analysis methods which allows us to integrate neighbourhood interaction rules in urban growth pattern recognition and visualization. Angel et al. (2010) developed urban land classification (urban, suburban, rural, fringe open space, exterior open space, and rural open space) based on built and non-built land categories and detected three major types of urban growth (infill, extension, and leapfrog). However, developing urban land classifications using binary land use type and recognising only three types of urban growth pattern may be insufficient due to the existence of a higher complexity of urban growth. In such context, the present study introduce a geovisualization approach to map spatial patterns of urban growth using multiple land categories and develops three sub-levels of urban growth pattern for each major urban growth pattern.</p><p>The entire process of urban growth pattern recognition developed in this study can be summarized into three steps (Figure 1): (1) urban land mapping &amp;ndash; Landsat imageries representing two time points (2001 and 2017) were classified into two land categories (built and non-built) and developed into multiple classes using ancillary data, (2) recognizing three major patterns of urban growth (infill, extension, and leapfrog) &amp;ndash; the raster overlay method based on neighbourhood interaction rules, (3) development of sublevels of urban growth &amp;ndash; major three patterns were further developed and visualized nine urban growth patterns, namely low infill (LI), moderate infill (MI), high infill (HI), low extension (LE), moderate extension (ME), high extension (HE), low leapfrog (LL), moderate leapfrog (ML), and high leapfrog (HL). The developed procedure of this study in urban growth pattern recognition was tested using a case study of Colombo metropolitan area, Sri Lanka.</p>

scholarly journals Urban Growth and its Impact on Tangail Municipal Area

2016 ◽  
Vol 8 (2) ◽  
pp. 163-166
Author(s):  
BC Sarker ◽  
SC Shutradhar ◽  
A Khan ◽  
ASM Saifullah ◽  
AB Ruma
Keyword(s):  
Population Density ◽  
Urban Development ◽  
Natural Resources ◽  
Urban Growth ◽  
Traffic Congestion ◽  
Open Space ◽  
Sharp Rise ◽  
Secondary Sources ◽  
Factual Data ◽  
Survey Questionnaires

The study has endeavored to investigate the urban development and its impacts on Tangail municipality, Tangail, Bangladesh. The factual data have been collected from secondary sources, while the perceptual data are based on survey questionnaires on the opinions of respondents. Data were collected through instant spot observation (transect survey) and in-depth consultation, and interviews. The study displays that, the population of Tangail municipality rapidly augmented after 1971. For instance, the population rose from 19.875 thousand in 1961 to 128.785 thousand in 2001. Additionally, the area of Tangail municipality was 15.50 km2 in 1981 which has expanded to 29.40 km2 in 2001. The proposed area of Tangail municipality was five km2. In 1951 the level of urbanization in Tangail municipality was 1.79% which has experienced a sharp rise of 12.99 % in 2001. The study found that, the enlarged urbanization in Tangail town has resulted in higher population density, increased demand for food, alleviation of environmental pollution, increased traffic congestion, generation of solid waste, inadequate garbage disposal, effluent disposal into rivers, crime, and disappearing green and open space in the Tangail municipality.J. Environ. Sci. & Natural Resources, 8(2): 163-166 2015

Contesting the greening of the urban growth machine: Ecological modernization and the promethean counter-discourse

2020 ◽  
pp. 251484862095232
Author(s):  
Emiliano Scanu ◽  
Geneviève Cloutier ◽  
Catherine Trudelle
Keyword(s):  
Urban Sprawl ◽  
Urban Growth ◽  
Environmental Governance ◽  
Ecological Modernization ◽  
Quebec City ◽  
Sustainable Mobility ◽  
Transit System ◽  
Growth Machine ◽  
Better Than

Urban environmental governance and planning are increasingly characterized by the adoption of “sustainability fixes,” namely political compromises which try to conciliate economic and ecological goals in order to safeguard long-term growth. If sustainability fixes have been harshly criticized for being sociospatially selective, resistance to them does not always come from radical groups who demand stronger and fairer measures, but from actors who oppose the idea of sustainability because it goes against their interests, habits, or values. This paper focuses on this “contestation of the greening of the urban growth machine,” by presenting an empirical study of a sustainable mobility policy in Quebec City, Canada, which has given rise to a controversy opposing two divergent perspectives. The first is an ecological modernization discourse advocating for a green and attractive public transit system. The second is a promethean counter-discourse which supports the unconditional growth of automobility and urban sprawl. Results show that even if urban environmental policies are increasingly attuned to the “growth first” logic, they could still face strong opposition, especially from suburban and conservative interests. More generally, this paper shows that, in some contexts, sustainability fixes could be a “better than nothing” solution, namely a step toward fairer and greener cities.

scholarly journals The Effects of Releasing Greenbelt Restrictions on Land Development in the Case of Medium-Sized Cities in Korea

2019 ◽  
Vol 11 (3) ◽  
pp. 630 ◽  
Author(s):  
Jae Ik Kim ◽  
Jun Yong Hyun ◽  
Seom Gyeol Lee
Keyword(s):  
Urban Growth ◽  
Metropolitan Areas ◽  
Satellite Image ◽  
Land Development ◽  
Spatial Effects ◽  
Local Conditions ◽  
Attribute Data ◽  
Growth Policy ◽  
Urban Problems ◽  
Do So

Many metropolitan areas around the world aim to control urban growth with a view to achieving efficiency and containing urban problems. Among many urban growth policy tools, the green belt (GB) policy is known as the most rigid and strongest. However, there has been no study on the consequences when GB restrictions are completely removed. The primary purpose of this study is to analyse the spatial effects of greenbelt removal on land development in Korea’s medium-sized cities between 2000 and 2017. To do so, we used the Landsat thematic mapper (TM) 5 satellite image (2000) and Landsat OLI TIRS 8 satellite image (2017) along with various attribute data to model the spatial effects of greenbelt removal in the cases of three medium-sized cities in Korea. The result of difference-in-difference (DID) analysis confirms that the effects of GB removal on land development vary depending on the local conditions of land development.

scholarly journals MODELLING URBAN GROWTH FROM MEDIUM RESOLUTION LANDSAT IMAGERIES OF AKURE, NIGERIA

2014 ◽  
Vol 2 (6) ◽  
pp. 40-50
Author(s):  
Michael Ajide Oyinloye ◽  
Julius Olubumi Fasakin
Keyword(s):  
Land Cover ◽  
Urban Growth ◽  
Rapid Growth ◽  
Traffic Congestion ◽  
Urban Areas ◽  
Open Space ◽  
Small Towns ◽  
Gis And Remote Sensing ◽  
Medium Resolution ◽  
The City

The city of Akure has experienced rapid growth in the past 2 to 3 decades which has led to the expansion of the core urban areas of the city into adjoining rural lands. The paper analyses the urban growth of Akure using medium resolution Landsat imageries. Landsat (MSS), Landsat Thematic Mapping(TM) and Landsat Enhanced Thematic Mapper (ETM+) images for 1972, 1986 and 2002 respectively were used in a post-classification comparison analysis to map the spatial dynamic of land cover changes and identify the urbanization process in Akure. The land cover statistical results revealed a rapid growth in the built-up area of Akure from 997.2 hectares in 1972 to about 3852.70 hectares in 2002 due to increase in population of Akure within this period. Results of the prediction showed that the built-up area of the city has increased in size from 977.2 hectares in 1972 to 5863.66 hectares in 2022 corresponding to 500% at the rate of 13.1% per annum. Implications of growth include loss of open space, pressure on limited infrastructure, overcrowding, traffic congestion and poor standard of living. The study recommends regular monitoring of urban area, development of small towns around the city area to avoid overcrowding, training of planners and administrators to acquire more knowledge in the use of GIS and remote sensing to enhance efficiency.

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