Impact of topographic and hydrological parameters on urban health in Jaipur City

IF 6.7 Q1 ENVIRONMENTAL SCIENCES Current Opinion in Environmental Science and Health Pub Date : 2024-10-03 DOI:10.1016/j.coesh.2024.100584

S.K. Gupta , P. Roy , S. Kanga , S.K. Singh , G. Meraj , P. Kumar

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Abstract

This study investigates the relationship between hydrological factors and waterlogged regions, emphasizing the critical role of robust urban drainage systems in reducing urban flood risks and improving urban health. Using satellite data and GIS technologies, the study revealed a strong positive correlation (r = 0.65, p < 0.01) between the Topographic Wetness Index (TWI), Land Surface Temperature (LST), and turbidity. Additionally, the Normalised Difference Water Index (NDWI) exhibited an upward trend from 2015 to 2022, indicating a 15 % increase in stagnant water. Notably, waterlogged areas were most vulnerable to environmental stress between October and December. The research highlights that areas with high TWI values have a statistically significant association (p < 0.05) with increased disease transmission risk due to stagnant water. The findings underscore the impact of land-use changes and precipitation patterns on urban hydrology and emphasize the necessity for efficient urban drainage systems to safeguard public health.

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斋浦尔市地形和水文参数对城市健康的影响

本研究调查了水文因素与内涝区域之间的关系，强调了强大的城市排水系统在降低城市洪水风险和改善城市健康方面的关键作用。利用卫星数据和地理信息系统技术，研究发现地形湿润指数（TWI）、地表温度（LST）和浊度之间存在很强的正相关性（r = 0.65，p < 0.01）。此外，归一化差异水指数（NDWI）从 2015 年到 2022 年呈上升趋势，表明积水增加了 15%。值得注意的是，10 月至 12 月期间，内涝地区最容易受到环境压力的影响。研究强调，TWI 值高的地区与积水导致的疾病传播风险增加有显著的统计学关联（p < 0.05）。研究结果强调了土地使用变化和降水模式对城市水文的影响，并强调了建立高效城市排水系统以保障公众健康的必要性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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