初步确定适合可持续排水系统和管理含水层补给的地区,以减轻罗马(意大利)的雨水泛滥现象

IF 0.8 Q4 WATER RESOURCES
A. Lentini, Elisa Meddi, J. Galve, Claudio Papiccio, F. La Vigna
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引用次数: 3

摘要

本文提出了一种初步的大规模调查方法,以确定适合深入分析可持续排水系统和管理含水层补给应用的区域。这些技术经常用于增加水进入地下的自然入渗能力,其有效性取决于当地的水文地质和形态特征。研究区域是罗马市,其目的是缓解与雨水有关的问题,在极端事件的情况下,雨水难以渗入地下,使规模不足的排水系统超载,并淹没城市空间。所提出的方法涉及露头岩性渗透率的GIS地理空间分析、数字高程模型和含水层的压力水平。为了确定合适的区域,确定了具有高渗透性和压力测量水平的区域,这些区域将赋予可能储存大量水的体积容量,而不会引发可能的地下水位上升问题。数据被分成不同的类,并被索引以进行比较和重叠。并将最终结果与罗马城市洪涝现象和土壤渗透性图进行了比较。分析结果表明,在罗马应用SuDS和MAR的初步适宜条件是普遍的。城市的地质环境以许多地方具有渗透性的岩性为特征,具有有效的渗透潜力,可以使雨水渗透到底土并到达第一个可用的含水层。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Preliminary identification of areas suitable for Sustainable Drainage Systems and Managed Aquifer Recharge to mitigate stormwater flooding phenomena in Rome (Italy)
This paper proposes a preliminary and large-scale survey methodology to identify areas suitable for indepth analysis for the application of Sustainable Drainage Systems and Managed Aquifer Recharge. These techniques are frequently applied to increase the natural infiltration capacity of water into the ground and their effectiveness depends on the local hydrogeological and morphological characteristics. The study area is the city of Rome where the aim is to mitigate the problems related to rainwater which, in case of extreme events, struggles to infiltrate into the ground, overloads the undersized drainage systems, and floods the urban space.The proposed method involves GIS geospatial analysis of the permeability of outcropping lithologies, the digital elevation model, and the piezometric levels of the aquifers. To identify the suitable zones, areas characterised by high permeability and a piezometric level that would confer a volumetric capacity to possibly store even large quantities of water, without triggering possible problems of water table rise, were identified. Data were divided into classes and indexed to compare and overlap them. Furthermore, the final result was compared with the urban flooding phenomena and the soil permeability map of Rome. The results of the performed analysis show that the preliminary suitable conditions to apply SuDS and MAR in Rome are widespread. The geological setting of the city is characterised by permeable lithologies in many places with an effective infiltration potential that would allow rainwater to infiltrate the subsoil and reach the first available aquifer.
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来源期刊
CiteScore
1.80
自引率
50.00%
发文量
36
审稿时长
8 weeks
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