利用基于地理信息系统的多标准决策方法了解城市无计划扩展对卫生风险的影响

IF 2.1 3区 地球科学 Q2 GEOGRAPHY Transactions in GIS Pub Date : 2024-07-22 DOI:10.1111/tgis.13220
Debrupa Chatterjee, Dharmaveer Singh, Diganta Bhushan Das, Pushpendra Kumar Singh
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引用次数: 0

摘要

城市无序扩张和缺乏适当的卫生基础设施严重危害了公众健康和城市的可持续发展。由于快速城市化和城市无计划扩展,这一问题进一步恶化。本研究调查了印度一个快速发展城市的城市扩张与卫生风险条件之间的关系。为此,研究人员利用多光谱卫星图像和沙农熵模型调查了 2000-2020 年间城市扩张区域的变化,并研究了从 2018 年 COVID-19 之前从 45 个扩张区域收集的 100 个基于家庭调查的 WASH(水供应、环境卫生和个人卫生)数据中得出的基本卫生服务的空间变化模式。采用了空间统计技术,即反距离加权(IDW)插值法和多标准决策技术,对蔓延区域内的环境卫生风险进行邻域分析和评估。结果表明,拉普尔呈现出城市扩张的趋势,约 93.68% 的扩张区域被划分为高风险区(6.47%)和中等风险区(80.52%)。
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Understanding impact of urban sprawl over sanitation risks using GIS‐based multicriteria decision‐making approach
Urban sprawl and the shortage of proper sanitary infrastructures significantly jeopardize public health and urban sustainability. The problem is further aggravated as a result of the rapid urbanization and urban sprawl. This study investigated the relationship between urban sprawl and sanitation risk conditions in a rapidly growing city in India. This was accomplished by investigating changes in urban sprawl areas between the periods 2000–2020 using multispectral satellite images and Shanon's entropy model and studying the pattern of spatial variations in basic sanitation services derived from the 100 household‐based surveyed WASH (water availability, sanitation, and hygiene) data collected in 2018 before COVID‐19 from 45 sprawl regions. Spatial statistical techniques, namely, the inverse distance weighted (IDW) interpolation and the multicriteria decision technique, were employed for neighborhood analysis and assessing sanitation risks inside the sprawl region. Results showed that Raipur exhibited urban sprawl and around 93.68% of the sprawl area was classified between high (6.47%)‐ and medium (80.52%)‐risk zones.
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来源期刊
Transactions in GIS
Transactions in GIS GEOGRAPHY-
CiteScore
4.60
自引率
8.30%
发文量
116
期刊介绍: Transactions in GIS is an international journal which provides a forum for high quality, original research articles, review articles, short notes and book reviews that focus on: - practical and theoretical issues influencing the development of GIS - the collection, analysis, modelling, interpretation and display of spatial data within GIS - the connections between GIS and related technologies - new GIS applications which help to solve problems affecting the natural or built environments, or business
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