巴西帕拉那帕内玛河流域地下水储量的时空变化趋势

IF 4.9 Q2 ENGINEERING, ENVIRONMENTAL

Groundwater for Sustainable Development Pub Date : 2025-05-02 DOI:10.1016/j.gsd.2025.101453

Rodrigo Lilla Manzione , Carolina Souza Brizotti

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引用次数: 0

摘要

帕拉纳帕内玛河流域（PRB）是位于巴西东南部的水力发电和农业中心。从2018年到2022年，由于降水远低于该水文区域的平均水平，水资源危机加剧了地下水的消耗。这导致了在整个盆地不分青红皂白地钻探秘密井，而没有考虑降水减少对地下水储存（GWS）的影响。利用基于GWS卫星的估算和探索性时空数据分析（ESTDA），验证了青藏高原地下水储量存在空间聚类和时间趋势。热点（高值空间集群）分布在盆地东南部头部，而冷点（低值空间集群）分布在盆地西部靠近出水口的位置。在数据集中检测到的时间序列趋势没有统计学意义。虽然观测到两类热点（持续和增强）以及三类冷点（持续、减弱和零星）。有关大量储量集中在何处以及储量如何随时间变化的信息，增加了水资源管理者和决策者对地下水潜力以及气候和人为干扰对地下水状况的影响的认识。地下水管理可以利用地下水储量的时空分布来规划未来的开采、立法和监管，从而加强对这一重要自然资源的治理。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Spatial clusters and temporal trends of groundwater storage in the Paranapanema River Basin, Brazil

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Spatial clusters and temporal trends of groundwater storage in the Paranapanema River Basin, Brazil

The Paranapanema River Basin (PRB) is a hydroelectrical and agricultural hub situated the southeast part of Brazil. From 2018 to 2022, a water crisis due precipitation much below the average in this hydrographic region boost a run for groundwater. It resulted in indiscriminate drilling of clandestine wells all over the basin without considering how the diminishing amounts of precipitation were affecting groundwater storage (GWS). This study used GWS satellite-based estimatives and exploratory spatial and temporal data analysis (ESTDA) to verify the presence of spatial cluster and temporal trends in the groundwater reserves of the PRB. Hot spots (spatial clusters of high values) were detected in the southeastern heads of the basin and cold spots (spatial clusters of low values) were found in the western portion of the basin, near the outlet. The time series trends detected in the dataset were not statistically significant. Although, two classes of hot spots were observed (persistent and intensifying) as well three classes of cold spots (persistent, diminishing, and sporadic). The information about where the large reserves are concentrated and how the storage changes over time increase the perception of water managers and decision makers about the potential of groundwater and the consequences of climate and human disturbances in the groundwater regime. Groundwater managements can benefit of spatial and temporal distribution of groundwater reserves to plan future exploitation, legislation, regulation and consequently increase the governance about this important natural resource.

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来源期刊

Groundwater for Sustainable Development Social Sciences-Geography, Planning and Development

CiteScore

11.50

自引率

10.20%

发文量

152

期刊介绍： Groundwater for Sustainable Development is directed to different stakeholders and professionals, including government and non-governmental organizations, international funding agencies, universities, public water institutions, public health and other public/private sector professionals, and other relevant institutions. It is aimed at professionals, academics and students in the fields of disciplines such as: groundwater and its connection to surface hydrology and environment, soil sciences, engineering, ecology, microbiology, atmospheric sciences, analytical chemistry, hydro-engineering, water technology, environmental ethics, economics, public health, policy, as well as social sciences, legal disciplines, or any other area connected with water issues. The objectives of this journal are to facilitate: • The improvement of effective and sustainable management of water resources across the globe. • The improvement of human access to groundwater resources in adequate quantity and good quality. • The meeting of the increasing demand for drinking and irrigation water needed for food security to contribute to a social and economically sound human development. • The creation of a global inter- and multidisciplinary platform and forum to improve our understanding of groundwater resources and to advocate their effective and sustainable management and protection against contamination. • Interdisciplinary information exchange and to stimulate scientific research in the fields of groundwater related sciences and social and health sciences required to achieve the United Nations Millennium Development Goals for sustainable development.