A three-dimensional agro-hydrological model for predictive analysis of shallow landslides: CRITERIA-3D

IF 6.9 1区工程技术 Q1 ENGINEERING, GEOLOGICAL

Engineering Geology Pub Date : 2025-04-11 DOI:10.1016/j.enggeo.2025.108073

G. Sannino , F. Tomei , M. Bittelli , C. Meisina , M. Bordoni , R. Valentino

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引用次数: 0

Abstract

In this paper a three-dimensional agro-hydrological model for shallow landslides' prediction is presented. The model is an extension of the CRITERIA-3D free-source model for crop development and soil hydrology, developed by the Hydrometeorological service of the Regional Agency for Environmental prevention and Energy of Emilia-Romagna region (Arpae-simc). The soil-water balance is computed through the coupling of surface and subsurface flows in multi-layered soils over areas topographically characterized by Digital Elevation Model (DEM). The rainfall infiltration process is simulated through a three-dimensional version of Richards' equation. Surface runoff, lateral drainage, capillarity rise, soil evaporation and plant transpiration contribute to the computation of the soil hydrology on an hourly basis. The model accepts meteorological hourly records as input data and outputs can be obtained for any time step at any selected depth of the soil profile. Among the outputs, volumetric water content, soil-water potential and the factor of safety of the slope can be selected. The validation of the proposed model has been carried out considering a test slope in Montuè (northern Italy), where a shallow landslide occurred in 2014 a few meters away from a meteorological and soil moisture measurement station. The paper shows the accuracy of the model in predicting the landslide occurrence in response to rainfall both in time and space. Although there are some model limitations, at the slope scale the model results are highly accurate with respect to field data even when the spatial resolution of the Digital Elevation Model is reduced.

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用于浅层滑坡预测分析的三维农业水文模型：criterion - 3d

本文介绍了一种用于浅层滑坡预测的三维农业水文模型。该模型是 CRITERIA-3D 农作物生长和土壤水文自由源模型的扩展，由艾米利亚-罗马涅地区环境预防和能源署水文气象处（Arpae-simc）开发。土壤水平衡是通过数字高程模型（DEM）对多层土壤中的地表和地下水流进行耦合计算得出的。降雨入渗过程通过三维版理查兹方程进行模拟。地表径流、侧向排水、毛细管上升、土壤蒸发和植物蒸腾都有助于按小时计算土壤水文。该模型接受气象小时记录作为输入数据，并可在土壤剖面的任何选定深度获得任何时间步长的输出结果。在输出结果中，可以选择体积含水量、土壤水势和斜坡安全系数。2014 年，在距离气象和土壤水分测量站几米远的地方发生了一起浅层滑坡。论文显示了该模型在时间和空间上预测降雨引发滑坡的准确性。虽然模型存在一些局限性，但在斜坡尺度上，即使降低数字高程模型的空间分辨率，模型结果与实地数据相比也非常准确。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Engineering Geology 地学-地球科学综合

CiteScore

13.70

自引率

12.20%

发文量

327

审稿时长

5.6 months

期刊介绍： Engineering Geology, an international interdisciplinary journal, serves as a bridge between earth sciences and engineering, focusing on geological and geotechnical engineering. It welcomes studies with relevance to engineering, environmental concerns, and safety, catering to engineering geologists with backgrounds in geology or civil/mining engineering. Topics include applied geomorphology, structural geology, geophysics, geochemistry, environmental geology, hydrogeology, land use planning, natural hazards, remote sensing, soil and rock mechanics, and applied geotechnical engineering. The journal provides a platform for research at the intersection of geology and engineering disciplines.