Is Colombo city, Sri Lanka secured for urban green space standards?

Li, L

doi:10.15666/aeer/1503_17891799

Cited by 16 publications

(12 citation statements)

References 19 publications

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“…Another study has proved that the land use change where built-up area has increased by 29.36 km 2 while decreased in other cultivation (-11.75 km 2 ), paddy (-8.46 km 2 ), boggy (-5.11 km 2 ), water (-1.74 km 2 ), and sand land use (-1.51 km 2 ) in Colombo city from 1990 to 2015 (Saparamadu et al, 2018) (Table 3). The green space in Colombo city in Sri Lanka has remarkably change with "annual reduction rate of 0.46km2 (1980-1988), 0.39km2 (1988-1997), 0.37km2 (1997-2001), 1.37km2 (2001-2011) and 0.71km2 (2011-2015)" due to a higher rate of increasing population density and economic development of the country (Li & Pussella, 2017).…”

Section: Land Use Changementioning

confidence: 99%

“…Green spaces mitigate the impact of urban heat islands and improve air quality through the uptake of pollutants and reduce of energy costs for the cooling of buildings (Froese & Schilling, 2019). (Li & Pussella, 2017). Shading by vegetation of urban green areas and forests keeps the temperature tend to equalize between urban areas to neighboring areas by acting as a solar radiation interceptor that reflects and absorbs radiant energy temperature (Kazak, 2018).…”

Section: Greening the Citiesmentioning

confidence: 99%

“…Unauthorized occupation of low income city dwellers in urban green areas including traditional forest and natural conservation areas and fertile agricultural lands, and climatic changes have increased the vulnerability of an urban areas for natural disasters and its coping capacity. Colombo city area is not presently maintaining its green spaces a quantitative measurement where the per capita value of green space 7.16m 2 recorded in 2015 is below the WHO standard of 8m 2 (Li & Pussella, 2017). Greening city is asses based on environmental indicators and enhance the understanding and decision-making on environmental performance.…”

Section: Greening the Citiesmentioning

confidence: 99%

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Urbanization, Climate Change and Environmental Resilience: Experiences in Sri Lanka

Zoysa¹

2021

USPA

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Urbanization in conjunction with climatic change affecting urban life and pose challenges to cities worldwide creating urban residents increasingly vulnerable to extreme weather and other natural disasters. Improvement of urban ecosystems provide cost-effective solution against negative impacts of climate change accelerated with high population pressure and promote resilience of urban dwellers. The cities in Sri Lanka are focused on improving land use planning and management of urban forest ecosystems for adaptation to and mitigation of climate change impacts with the rapid urbanization. This study attempts to ascertain the effects of urbanization, analyze the impacts of urbanization and climate change, and examine the environmental resilience with urban forests in Sri Lanka, reviewing the relevant literature. This paper explore the effects of urbanization in terms of increase population, land use change, rising greenhouse gas emissions and intensity of urban heat island. The impacts of urbanization and climate change are revealed as change of annual rainfall, urban warming, extreme weather events, and urban health hazards. Disaster resilient cities, sustainable urbanization, greening the cities, other environmental resilience strategies as well as institutional and policy setting are discussed for environmental resilience to urbanization and changing climate. Limiting CO2 emission, reducing land surface temperature, and controlling urban heat island effect are discussed under the other environmental resilience strategies. Institutional and policy setting is explained through popularizing urban forestry and developing policy support. Urban forestry strategies incorporating urban planning should be manifested in urban development policy in order to counteract the negative effects of climate change in the process of environmental resilience and sustainable urbanization.

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Section: Land Use Changementioning

confidence: 99%

Section: Greening the Citiesmentioning

confidence: 99%

Section: Greening the Citiesmentioning

confidence: 99%

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Urbanization, Climate Change and Environmental Resilience: Experiences in Sri Lanka

Zoysa¹

2021

USPA

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“…The minimum limit for open-green spaces per capita is 30 m 2 for the United Nations (UN) and 26 m 2 for the European Union (EU). However, researches did not give a specific limit value for open-green space per capita (Khalil, 2014;Kurban, 2017;Li and Pussella, 2017;Singh et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

Analysis of Nazilli (Aydin) City Open-Green Spaces Adequacy

Kara¹,

Baykurt²

2021

JSTR

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Urban open-green spaces are for cities; these are areas that make significant contributions to ecological, social, cultural, economic, and psychological issues. Because of the expanding of urban areas with the increasing population, all city dwellers need open-green spaces. The increase in the quality of urban life depends on the preservation of the existing open-green spaces in the cities and the increase of open-green spaces in parallel with the increase in the density of buildings. Here, unlike the open-increasing population and unplanned urbanization nature and green spaces in cities in Turkey decreased in quantity; Such important areas for cities and city dwellers are almost in danger of extinction. The purpose of this research is; determining the adequacy of open-green spaces per capita in the city of Nazilli (Aydin), and making suggestions for the development of open-green spaces in the neighborhood and city scale. In the research, 51 parks in 19 neighborhoods were examined. As a result of the research; It has been determined that there are imbalances in terms of numerical, spatial and per capita size in the distribution of open-green spaces among the neighborhoods in the city of Nazilli. It can be said that the reason for the unbalanced distribution of open-green spaces is that these areas are planned without taking into account the population of the neighborhood, surface measurements and population densities. In Kurtulus, Turan and Yesilyurt Neighborhoods, where there are no open-green spaces, open-green spaces should be planned. In neighborhoods where the opengreen space standard per capita (10 m 2 ) is not met, the open-green spaces should be increased numerically and spatially.Ensuring the adequacy of open green space per capita in all provinces and the city of Nazilli in Turkey; it will make cities more livable and increase the quality of life in cities.

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“…World Health Organization (WHO) has set a minimum limit for the per capita green space in urban areas as 9 m 2 for healthy living [35]. Minimum limit for the per capita green space has also been identified by the United Nations (UN) as 30 m 2 per person and by European Union (EU) as 26 m 2 , but no specific limit for per capita public open spaces has been given by any agency [31,38,40,58]. The amount of green cover and size of open spaces, their spatial distribution and characteristics as well as other factors are important determinants of the quality of life of city residents and quality of urban environment [11] and are essential for the sustainability of an urban centre [25].…”

Section: Introductionmentioning

confidence: 99%

Assessment of public open spaces (POS) and landscape quality based on per capita POS index in Delhi, India

et al. 2019

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Public open spaces and green cover are a connection between people and nature and are necessary to retain the quality of the urban landscape. Rapid urban growth and population increase put tremendous pressure on public open spaces, which reduces the quality of the urban landscape. The fast urban growth leads to utilize remaining green and open areas of the city for different purposes. As a result, the size of the urban green and open space is decreasing at an alarming rate. Therefore, the study analyses the availability of per capita public open spaces to assess the landscape quality. The green space available per capita in Delhi is about 20 m 2 , and public open space is 30 m 2. Weights have been assigned to five variables selected to assess the landscape quality, and then, it was multiplied by the respective z score (scalefree) of each variable. Finally, we have calculated composite index score to develop a landscape quality index. The per capita share of public open spaces in East Delhi is 7.01 m 2 to its total area. Wards with high population density have a comparatively low proportion of public open spaces. It is seen that most of the wards did not match the criteria of WHO and UN for per capita availability of public open spaces. The landscape quality index shows that in more than two-thirds of the wards, the landscape quality is poor. The wards of the central and northern parts of the study area are densely populated and have a low concentration of public open spaces; therefore, they have the least index score on landscape quality. At the same time, the wards of southeastern and eastern parts, where the population density is the lowest, the score of the landscape quality index is high.

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Is Colombo city, Sri Lanka secured for urban green space standards?

Cited by 16 publications

References 19 publications

Urbanization, Climate Change and Environmental Resilience: Experiences in Sri Lanka

Urbanization, Climate Change and Environmental Resilience: Experiences in Sri Lanka

Analysis of Nazilli (Aydin) City Open-Green Spaces Adequacy

Assessment of public open spaces (POS) and landscape quality based on per capita POS index in Delhi, India

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