Rimsha Azhar, Muhammad Asif Javed, Muhammad Nasar-u-Minallah, Silvia Machado, Muhammad Jabbar
{"title":"拉合尔的城市转型:三十年的土地覆盖变化、绿地减少和可持续发展挑战","authors":"Rimsha Azhar, Muhammad Asif Javed, Muhammad Nasar-u-Minallah, Silvia Machado, Muhammad Jabbar","doi":"10.24057/2071-9388-2024-3204","DOIUrl":null,"url":null,"abstract":"Pakistan has experienced significant urbanization, characterized by rapid urban population growth and unplanned urban expansion, making it the most urbanized country in South Asia. This study focuses on Lahore, the secondlargest megacity of Pakistan, and evaluates land cover changes over the last three decades (1990-2020). It also analyzes the relationship between urban green landscapes and unregulated urban expansion. The study reveals significant changes in the ecology of Lahore’s urban landscape using Landsat imagery, including Landsat 5 TM, Landsat 8 OLI, and a 30m spatial resolution, along with population data from the Pakistan Bureau of Statistics. In particular, the study reveals a decline in urban green spaces and a significant expansion of urban built-up areas in Lahore. The annual urban area expansion rates were 24.2 km2 (1990- 2000), 12.1 km2 (2000-2010), and 26.4 km2 (2010-2020), while vegetation cover decreased 33.45 km2 (1990-2000), 20 km2 (2000-2010) in the first two decades but slightly increased from 2010 to 2020 at an annual rate of 14.17 km2. As a result, there is a serious concern about the rapid decline of green space in Lahore. It is recommended that the administrative authorities follow the World Health Organization’s guidelines regarding the need for green spaces. This study contributes to achieving the United Nations’ Sustainable Development Goal 11th, indicator 11.3.1, and provides guidelines for conserving natural, social, and economic resources in the face of rapid urbanization.","PeriodicalId":37517,"journal":{"name":"Geography, Environment, Sustainability","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2024-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Urban transformation in Lahore: three decades of land cover changes, green space decline, and sustainable development challenges\",\"authors\":\"Rimsha Azhar, Muhammad Asif Javed, Muhammad Nasar-u-Minallah, Silvia Machado, Muhammad Jabbar\",\"doi\":\"10.24057/2071-9388-2024-3204\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Pakistan has experienced significant urbanization, characterized by rapid urban population growth and unplanned urban expansion, making it the most urbanized country in South Asia. This study focuses on Lahore, the secondlargest megacity of Pakistan, and evaluates land cover changes over the last three decades (1990-2020). It also analyzes the relationship between urban green landscapes and unregulated urban expansion. The study reveals significant changes in the ecology of Lahore’s urban landscape using Landsat imagery, including Landsat 5 TM, Landsat 8 OLI, and a 30m spatial resolution, along with population data from the Pakistan Bureau of Statistics. In particular, the study reveals a decline in urban green spaces and a significant expansion of urban built-up areas in Lahore. The annual urban area expansion rates were 24.2 km2 (1990- 2000), 12.1 km2 (2000-2010), and 26.4 km2 (2010-2020), while vegetation cover decreased 33.45 km2 (1990-2000), 20 km2 (2000-2010) in the first two decades but slightly increased from 2010 to 2020 at an annual rate of 14.17 km2. As a result, there is a serious concern about the rapid decline of green space in Lahore. It is recommended that the administrative authorities follow the World Health Organization’s guidelines regarding the need for green spaces. This study contributes to achieving the United Nations’ Sustainable Development Goal 11th, indicator 11.3.1, and provides guidelines for conserving natural, social, and economic resources in the face of rapid urbanization.\",\"PeriodicalId\":37517,\"journal\":{\"name\":\"Geography, Environment, Sustainability\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2024-07-05\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Geography, Environment, Sustainability\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.24057/2071-9388-2024-3204\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"Agricultural and Biological Sciences\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Geography, Environment, Sustainability","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.24057/2071-9388-2024-3204","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"Agricultural and Biological Sciences","Score":null,"Total":0}
Urban transformation in Lahore: three decades of land cover changes, green space decline, and sustainable development challenges
Pakistan has experienced significant urbanization, characterized by rapid urban population growth and unplanned urban expansion, making it the most urbanized country in South Asia. This study focuses on Lahore, the secondlargest megacity of Pakistan, and evaluates land cover changes over the last three decades (1990-2020). It also analyzes the relationship between urban green landscapes and unregulated urban expansion. The study reveals significant changes in the ecology of Lahore’s urban landscape using Landsat imagery, including Landsat 5 TM, Landsat 8 OLI, and a 30m spatial resolution, along with population data from the Pakistan Bureau of Statistics. In particular, the study reveals a decline in urban green spaces and a significant expansion of urban built-up areas in Lahore. The annual urban area expansion rates were 24.2 km2 (1990- 2000), 12.1 km2 (2000-2010), and 26.4 km2 (2010-2020), while vegetation cover decreased 33.45 km2 (1990-2000), 20 km2 (2000-2010) in the first two decades but slightly increased from 2010 to 2020 at an annual rate of 14.17 km2. As a result, there is a serious concern about the rapid decline of green space in Lahore. It is recommended that the administrative authorities follow the World Health Organization’s guidelines regarding the need for green spaces. This study contributes to achieving the United Nations’ Sustainable Development Goal 11th, indicator 11.3.1, and provides guidelines for conserving natural, social, and economic resources in the face of rapid urbanization.
期刊介绍:
Journal “GEOGRAPHY, ENVIRONMENT, SUSTAINABILITY” is founded by the Faculty of Geography of Lomonosov Moscow State University, The Russian Geographical Society and by the Institute of Geography of RAS. It is the official journal of Russian Geographical Society, and a fully open access journal. Journal “GEOGRAPHY, ENVIRONMENT, SUSTAINABILITY” publishes original, innovative, interdisciplinary and timely research letter articles and concise reviews on studies of the Earth and its environment scientific field. This goal covers a broad spectrum of scientific research areas (physical-, social-, economic-, cultural geography, environmental sciences and sustainable development) and also considers contemporary and widely used research methods, such as geoinformatics, cartography, remote sensing (including from space), geophysics, geochemistry, etc. “GEOGRAPHY, ENVIRONMENT, SUSTAINABILITY” is the only original English-language journal in the field of geography and environmental sciences published in Russia. It is supposed to be an outlet from the Russian-speaking countries to Europe and an inlet from Europe to the Russian-speaking countries regarding environmental and Earth sciences, geography and sustainability. The main sections of the journal are the theory of geography and ecology, the theory of sustainable development, use of natural resources, natural resources assessment, global and regional changes of environment and climate, social-economical geography, ecological regional planning, sustainable regional development, applied aspects of geography and ecology, geoinformatics and ecological cartography, ecological problems of oil and gas sector, nature conservations, health and environment, and education for sustainable development. Articles are freely available to both subscribers and the wider public with permitted reuse.