基于相互作用模型的印度南部特伦加纳邦Musi河流域地下水脆弱性研究

IF 2.8 4区 环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES
N. C. Mondal, S. Chandrapuri
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引用次数: 0

摘要

本文旨在建立一个基于相互作用的模型,通过量化水文和水文地质参数(如降水、土壤湿度、蒸散、地表水径流和地下水位)的不确定性来评估地下水风险。该模型应用于印度南部特伦甘纳邦Musi河的八个子流域,比较了它们的脆弱性。结果表明,木寺流域年降水量丰富,各子流域年降水量变化显著,平均在972 ~ 1125 mm之间。大部分降水发生在6月至9月的季风季节。降雨量增加会显著提高水位,这表明降雨量与地下水深度之间存在直接关联。这种关系对有效的水资源管理至关重要。降雨变异性相当大,导致水位大幅波动,反映了流域的水文响应性。熵测度揭示了水文相互作用的复杂性和可预测性。在季风期间,Osman Sagar子盆地补给量显著,占降雨量的33.2%,而Shamirpet子盆地补给量最低,为12.1%。而Hussain Sagar则显示出全年稳定的补给模式。各子流域的蒸散量和深度-水位相互作用的年变化幅度在6.9 ~ 14.9%之间,表明了水分可利用性和大气条件的差异。在Osman Sagar子盆地,土壤水分的相互作用最高,达到32.9%,发生在深度到水位之间,特别是在季风期间。地表径流和深度与水位的相互作用也各不相同,其中Bikkeru子流域的相互作用最大,为21.3%,表明对径流的响应性较高。基于不同水文属性的地下水脆弱性分类表明各子流域的风险程度不同。这些发现强调了了解流域特定相互作用对有效水资源管理和规划的重要性,特别是在对降雨和地下水资源有不同水文反应的地区。这种定制的方法有助于根据每个流域的独特特征设计有效的灌溉、储水和洪水管理策略。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Groundwater vulnerability study using interaction-based model in Musi River Basin, Telangana, Southern India

This article aims to develop an interaction-based model for assessing groundwater risks by quantifying uncertainties in hydrological and hydrogeological parameters such as precipitation, soil moisture, evapotranspiration, surface water runoff, and groundwater level. The model is applied to eight sub-basins of the Musi River in Telangana, Southern India, to compare their vulnerabilities. The results indicate that the Musi basin receives substantial annual rainfall, with significant variability in precipitation across its different sub-basins, averaging between 972 to 1125 mm per year. A large proportion of the precipitation occurs during the monsoon season from June to September. Increased rainfall significantly raises water levels, demonstrating a direct correlation between rainfall and groundwater depth. This relationship is crucial for effective water management. Rainfall variability is considerable, leading to significant fluctuations in water levels, reflecting the basin's hydrological responsiveness. Entropy measures reveal the complexity and predictability of hydrological interactions. During the monsoon, the Osman Sagar sub-basin shows significant recharge, accounting for 33.2% of the rainfall, while the Shamirpet sub-basin shows the lowest recharge at 12.1%. Whereas the Hussain Sagar shows a stable recharge pattern year-round. Evapotranspiration and depth to water level interactions vary from 6.9 to 14.9% annually across sub-basins, indicating differences in water availability and atmospheric conditions. The highest soil moisture interaction, observed at 32.9%, occurs with the depth to water level, particularly during the monsoon, in the Osman Sagar sub-basin. Surface runoff and depth to water level interactions also vary, with the Bikkeru sub-basin having the highest interaction at 21.3%, suggesting high responsiveness to runoff. Groundwater vulnerability classifications based on diverse hydrological attributes indicate varying levels of risk across the sub-basins. These findings emphasize the importance of understanding basin-specific interactions for effective water resource management and planning, particularly in regions with varied hydrological responses to rainfall and groundwater resources. This customized approach aids in designing effective strategies for irrigation, water storage, and flood management to each basin's unique characteristics.

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来源期刊
Environmental Earth Sciences
Environmental Earth Sciences 环境科学-地球科学综合
CiteScore
5.10
自引率
3.60%
发文量
494
审稿时长
8.3 months
期刊介绍: Environmental Earth Sciences is an international multidisciplinary journal concerned with all aspects of interaction between humans, natural resources, ecosystems, special climates or unique geographic zones, and the earth: Water and soil contamination caused by waste management and disposal practices Environmental problems associated with transportation by land, air, or water Geological processes that may impact biosystems or humans Man-made or naturally occurring geological or hydrological hazards Environmental problems associated with the recovery of materials from the earth Environmental problems caused by extraction of minerals, coal, and ores, as well as oil and gas, water and alternative energy sources Environmental impacts of exploration and recultivation – Environmental impacts of hazardous materials Management of environmental data and information in data banks and information systems Dissemination of knowledge on techniques, methods, approaches and experiences to improve and remediate the environment In pursuit of these topics, the geoscientific disciplines are invited to contribute their knowledge and experience. Major disciplines include: hydrogeology, hydrochemistry, geochemistry, geophysics, engineering geology, remediation science, natural resources management, environmental climatology and biota, environmental geography, soil science and geomicrobiology.
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