智利北部Pica绿洲过滤廊道的勘探、测绘和表征:对Pica含水层知识的贡献

IF 0.9 4区 地球科学 Q3 GEOLOGY
E. Lictevout, Carlos Abellanosa, Constanza Maass, Nicolás Pérez, G. Yáñez, Leonardi Véronique
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引用次数: 2

摘要

在干旱地区,对稀缺水资源的有效管理是人口生存和发展的关键。在干旱地区最古老和最伟大的古代水管理系统之一是过滤廊。它们起源于古代波斯,传播到其他地区和文化,并在阿塔卡马沙漠的皮卡绿洲中被发现。一个过滤廊由一个几乎是水平的地下隧道组成,直到它到达一个含水区。它允许抽取和排出地下水,因此与地下水位直接接触。为了了解地下水的过程,保护地球上最干旱地区之一的水和地质遗产,并改善土地利用规划,目前的工作探索和研究了Pica绿洲的过滤通道,当地称为socavones。通过直接勘探、地形测量和地电勘探,确定并绘制了24个隐洞,描述了其主要物性特征,既具有与世界范围内描述的滤洞相同的特征,又具有突出其独特性的特点。地质和水文地质研究的结果,加上物理和化学分析,可以确定新的地下水补给过程,从而审查和完成Pica当地含水层的水文地质模型。如今,由于物质和社会经济的变化,大多数socavone已被废弃。尽管如此,本研究得出的结论是,它们仍然可以在干旱地区的地下水管理中发挥作用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Exploration, mapping and characterization of filtration galleries of the Pica Oasis, northern Chile: A contribution to the knowledge of the Pica aquifer
In arid areas, the efficient management of scarce water resources is key for population survival and development. One of the oldest and greatest ancient water management system in drylands is the filtration gallery. Originated from ancient Persia, they were spread to other regions and cultures, and are found in the oasis of Pica, in the Atacama Desert. A filtration gallery consists of an almost horizontal tunnel dug underground until it reaches a water-bearing zone. It allows to tap and drains out groundwater, and thus a direct contact with groundwater table. With the objective to understand groundwater processes, preserve the water and geoheritage of one of the driest places on Earth and improve land-use planning, the present work explored and studied the filtration galleries, locally called socavones, of the oasis of Pica. Through direct exploration, topographical survey and geo-electrical prospection, 24 socavones were identified, mapped and their main physical features described, showing common traits with filtration galleries described worldwide, but also proper features highlighting their originality. The findings of the geological and hydrogeological studies of the socavones, complemented by physical and chemical analysis, allow to identify new groundwater recharge processes and, thus, to review and complete the hydrogeological model of the local aquifer of Pica. Most socavones are abandoned today, owing to physical and socioeconomic changes. Nevertheless, this study concludes that they can still have a role to play in the groundwater management of this arid area.
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来源期刊
Andean Geology
Andean Geology 地学-地质学
CiteScore
3.90
自引率
0.00%
发文量
17
审稿时长
>12 weeks
期刊介绍: This journal publishes original and review articles on geology and related sciences, in Spanish or English, in three issues a year (January, May and September). Articles or notes on major topics of broad interest in Earth Sciences dealing with the geology of South and Central America and Antarctica, and particularly of the Andes, are welcomed. The journal is interested in publishing thematic sets of papers and accepts articles dealing with systematic Paleontology only if their main focus is the chronostratigraphical, paleoecological and/or paleogeographical importance of the taxa described therein.
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