Assessment of Domestic Water Resources for Sustainable Utilization Using Geospatial Techniques. The Case of Pune City, India

IF 0.7 Q3 GEOGRAPHY

Journal of Settlements and Spatial Planning Pub Date : 2023-12-31 DOI:10.24193/jssp.2023.2.01

N. Mundhe, Sunil Gaikwad, Sunil Thakare, Vilas Ugale

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Abstract

Water resources have played a crucial role in the growth and development of human civilisation. Increasing demands of water resources to meet the needs of growing population have led to tremendous pressure on water resources. Water resources conservation and management need relevant information regarding the quality and quantity of water bodies, as well as the related driving factors responsible for the deterioration and depletion of water resources. In literature, conventional methods are limited to point locations that have sparse datasets. However, with the advent of geospatial techniques, it has become very easy to explore digital information that can quickly support extensive data analysis and interpretation on a larger scale. The aim of this study is to assess water resources such as water supply, distribution and coverage using geospatial techniques, and also to identify the water stress zones whilst forecasting the water demand in the future, which is indispensable for sustainable urban planning. The results show that water supply and duration per capita are unequal in the study area. The water demand of Pune city has continuously increased from 508 MLD in 2001 to 857 MLD in 2022, and will maintain this trend up to 1421 MLD by 2031. The composite water stress map indicates that Ghole Road, Nagar Road, Dhankawadi and Hadapsar wards have a high level of water stress, whereas Sangamwadi, Kothrud, Dhole Patil Road, Bhawani Peth, Kasba Vishrambagh and Sahakranagar experience low water stress. The values of water scarcity index in the study area have significantly changed, i.e., from 0.68 in 2001, to 0.54 in 2011 and to 0.64 in 2022, which indicates that Pune city falls into the serious water shortage category. This index is expected to be around 1.05 in 2031, demonstrating that Pune will be subjected to major water deficiency, a condition which is clearly reflected in the composite water stress map.

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利用地理空间技术评估国内水资源的可持续利用。印度浦那市案例

水资源在人类文明的成长和发展过程中发挥了至关重要的作用。为满足日益增长的人口需求，对水资源的需求与日俱增，这给水资源带来了巨大压力。水资源保护和管理需要有关水体质量和数量的相关信息，以及造成水资源恶化和枯竭的相关驱动因素。在文献中，传统方法仅限于数据集稀少的点位置。然而，随着地理空间技术的出现，探索数字信息变得非常容易，可以快速支持更大规模的广泛数据分析和解释。本研究的目的是利用地理空间技术评估水资源，如供水、配水和覆盖范围，并在预测未来需水量的同时确定水资源紧张区域，这对于可持续城市规划是必不可少的。研究结果表明，研究区域的人均供水量和供水时间不均衡。浦那市的需水量从 2001 年的 5.08 亿立方米持续增长到 2022 年的 8.57 亿立方米，并将保持这一趋势，到 2031 年达到 1.42 亿立方米。综合用水压力图显示，Ghole 路、Nagar 路、Dhankawadi 和 Hadapsar 区的用水压力较大，而 Sangamwadi、Kothrud、Dhole Patil 路、Bhawani Peth、Kasba Vishrambagh 和 Sahakranagar 区的用水压力较小。研究地区的缺水指数值发生了显著变化，即从 2001 年的 0.68 降至 2011 年的 0.54，再降至 2022 年的 0.64，这表明浦那市属于严重缺水地区。预计到 2031 年，该指数将达到 1.05 左右，这表明浦那将面临严重缺水，综合水资源压力图清楚地反映了这一状况。

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来源期刊

Journal of Settlements and Spatial Planning GEOGRAPHY-

CiteScore

2.10

自引率

14.30%

发文量

期刊介绍： Journal of Settlements and Spatial Planning (JSSP) is a biannual, peer-reviewed, open access journal, edited by the Centre for Research on Settlements and Urbanism, Faculty of Geography, Babeş-Bolyai University, Cluj-Napoca, ROMANIA. For the unrestricted access to potential subscribers all over the world the journal is published in English language and can be accessed electronically. The Journal of Settlements and Spatial Planning addresses mainly to geographers, young researchers and also to other specialists in adjacent fields of research that focus their attention on aspects related to settlements and spatial planning. On the other hand, it strongly encourages representatives of the public administration, who are responsible with the practical implementation of planning projects, to bring their contribution to the scientific field. Our journal seeks to publish original theoretical and applied research studies on a large range of subjects addressed to urban and rural settlements and spatial planning, as well as precise issues related to both of them. We welcome scholars to bring their contribution (original articles in basic and applied research, case studies) and increase interdisciplinary research on settlements and their spatial impact.