Application of Geographic Information System and Google Earth Engine for Spatial Analysis of Land Use by the Legacy Dumpsite at Raipur, Chhattisgarh: A Time Series Analysis.

IF 0.8 Q4 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH
Hunny Sharma, Manisha Ruikar, Arvind Shukla
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引用次数: 0

Abstract

Background: Legacy dump sites pose health and environmental risks. Challenges such as difficulty in monitoring and the impact of policy changes towards remediation efforts remain enigmatic due to complexities.

Objectives: Hence this study aimed to use Geographic Information System (GIS) and Google Earth historical imagery to monitor changes in legacy dump site located at Sarona in Raipur and to assess the impact of waste management strategies being implemented currently.

Methods: A series of historical images were retrieved using Google Earth Pro 2022 (at eye level of 707 meters) from 2007 to 2021. A polygon was plotted using Google Earth, and area of plotted polygon was estimated using QGIS by projecting in desired coordinates (i.e., WGS84 and 44Q). Percentage change in land area use was observed. Time series analysis was conducted using Autoregressive Integrated Moving Average (ARIMA) model to forecast land area use.

Results: There was a fluctuating trend in land area use by the legacy dump site from 2007 to 2019 with 661.90% increase indicating the need for proper waste management system. Time series analysis of the land area used showed a steep reduction of 36.65% in 2019-20, followed by 78.30% in 2020-21. The Solid Waste Management Rules, 2016 and the functioning of Material Recovery Facility (MRF) in 2020 resulted in a significant reduction in land use at the dump site. As per analysis, 4.84 acres of land was found yet to be remediated to which the Raipur Municipal Corporation is committed to accomplish by December 2024.

Conclusion: The application of GIS coupled with Google Earth can be a useful tool to monitor changes in land area of legacy dumpsites. Currently employed waste management strategies resulted in sustainable land use and environment conservation, without which it would have experienced exponential growth, necessitating additional land area in the future.

地理信息系统和谷歌Earth Engine在印度恰蒂斯加尔邦赖布尔垃圾场土地利用空间分析中的应用:时间序列分析
背景:遗留垃圾场构成健康和环境风险。由于复杂性,诸如监测困难和政策变化对补救工作的影响等挑战仍然是个谜。因此,本研究旨在利用地理信息系统(GIS)和谷歌地球历史图像来监测位于rapur Sarona的遗留垃圾场的变化,并评估目前正在实施的废物管理策略的影响。方法:利用谷歌Earth Pro 2022检索2007 - 2021年的一系列历史图像(眼高程为707 m)。使用谷歌Earth绘制多边形,并使用QGIS通过在所需坐标(即WGS84和44Q)上投影来估计绘制多边形的面积。观察了土地面积利用的百分比变化。采用自回归综合移动平均(ARIMA)模型进行时间序列分析,预测土地面积利用。结果:2007 - 2019年,遗存排土场土地利用面积呈波动趋势,增加了661.90%,表明需要适当的废物管理系统。用地面积的时间序列分析显示,2019- 2020年大幅减少36.65%,2020-21年大幅减少78.30%。2016年《固体废物管理规则》和2020年材料回收设施(MRF)的运作导致垃圾场的土地使用大幅减少。根据分析,发现赖布尔市政公司承诺在2024年12月之前完成的4.84英亩土地尚未修复。结论:GIS与谷歌Earth相结合,可作为监测遗存垃圾场土地面积变化的有效工具。目前采用的废物管理战略导致了可持续的土地利用和环境保护,如果没有这些战略,它将经历指数级的增长,未来需要额外的土地面积。
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来源期刊
Indian Journal of Occupational and Environmental Medicine
Indian Journal of Occupational and Environmental Medicine PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH-
CiteScore
1.60
自引率
0.00%
发文量
25
期刊介绍: The website of Indian Journal of Occupational and Environmental Medicine aims to make the printed version of the journal available to the scientific community on the web. The site is purely for educational purpose of the medical community. The site does not cater to the needs of individual patients and is designed to support, not replace, the relationship that exists between a patient/site visitor and his/her existing physician.
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