Groundwater Model for Karst and Pelitic Aquifer Systems from a Semi-Arid Region Under Climate Change Scenarios: A Case Study in the Vieira River Watershed, Brazil

被引:0
|
作者
Bhering, Apolo Pedrosa [1 ]
Antunes, Isabel Margarida Horta Ribeiro [1 ]
Catao, Gustavo Nascimento [2 ]
Marques, Eduardo Antonio Gomes [3 ]
de Paula, Rodrigo Sergio [4 ]
Andrade, Isabella Brito [4 ]
Diorio, Giovana Rebelo [5 ]
机构
[1] Pole Univ Minho, Inst Earth Sci, P-4710057 Braga, Portugal
[2] Walm Engn & Tecnol Ambiental, BR-05017000 Sao Paulo, Brazil
[3] Univ Fed Vicosa, Civil Engn Dept, BR-36570900 Vicosa, Brazil
[4] Univ Fed Minas Gerais, Geosci Inst, BR-31270901 Belo Horizonte, Brazil
[5] Univ Fed Do Parana, Lab Basin Anal, BR-81532980 Curitiba, Brazil
关键词
water scarcity; climate change; hydrogeological models; watershed monitoring; SAO-FRANCISCO CRATON; HYDROGEOLOGY; METHODOLOGY; CARBONATE; FLOW;
D O I
10.3390/w16213140
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Water scarcity is a global issue, especially in semi-arid and arid regions where precipitation is irregularly distributed over time and space. Predicting groundwater flow in heterogeneous karst terrains, which are essential water sources, presents a significant challenge. This article integrates geology, hydrology, and water monitoring to develop a pioneering conceptual and numerical model of groundwater flow in the Montes Claros Region (Vieira River Watershed, Brazil). This model was evaluated under various climate change scenarios, considering changes in rainfall, groundwater consumption, and population growth over the current century. The results indicate that a decline in water table levels is inevitable, primarily driven by population growth and high pumping rates rather than rainfall fluctuations. This underscores the urgent need for improved monitoring, model upgrading, and more importantly, targeted water resource management for Montes Claros.
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页数:23
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