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GeoHazards, Volume 4, Issue 2

2023 June - 6 articles

Cover Story: Karst regions are susceptible to flooding events due to their unique geological characteristics. Monitoring and analyzing ephemeral surface water changes can serve as an indicator of ongoing or imminent flood. A better understanding of these ephemeral floods requires innovative approaches. This paper proposes an improved monitoring framework to indicate karst-related flooding by utilizing diverse Earth Observation data. By integrating multi-sensor satellite datasets such as optical imagery, radar data, soil moisture, and precipitation measurements, a comprehensive understanding of flood dynamics in karst regions is achieved. The joint analysis of these data sources enables better mapping of flood-prone areas, as well as the early and more accurate detection of flood events, as in the case of the Chalkida (Greece) flooding in 2019. View this paper
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Articles (6)

  • Article
  • Open Access
3 Citations
3,258 Views
20 Pages

8 June 2023

With the increasing availability and diversity of satellite imagery, the multisensor fusion of data can more effectively address the improved monitoring of temporary water bodies. This study supports the attempt to apply well established methods to d...

  • Article
  • Open Access
3 Citations
2,637 Views
14 Pages

Internal Structure and Reactivations of a Mass Movement: The Case Study of the Jacotines Landslide (Champagne Vineyards, France)

  • Nicolas Bollot,
  • Guillaume Pierre,
  • Gilles Grandjean,
  • Gilles Fronteau,
  • Alain Devos and
  • Olivier Lejeune

16 May 2023

The Jacotines landslide is representative of the large mass movements that affect the Champagne vineyards. Understanding the subsurface structure of these slopes and the mechanisms leading to sliding events is of a great interest, particularly for wi...

  • Article
  • Open Access
3 Citations
4,316 Views
26 Pages

In the mapping and assessment of mountain hazard susceptibility using machine learning models, the selection of model parameters plays a critical role in the accuracy of predicting models. In this study, we present a novel approach for developing a p...

  • Article
  • Open Access
5 Citations
4,335 Views
21 Pages

2D Numerical Simulation of Floods in Ebro River and Analysis of Boundary Conditions to Model the Mequinenza Reservoir Dam

  • Pablo Vallés,
  • Isabel Echeverribar,
  • Juan Mairal,
  • Sergio Martínez-Aranda,
  • Javier Fernández-Pato and
  • Pilar García-Navarro

27 April 2023

The computational simulation of rivers is a useful tool that can be applied in a wide range of situations from providing real time alerts to the design of future mitigation plans. However, for all the applications, there are two important requirement...

  • Article
  • Open Access
10 Citations
5,412 Views
15 Pages

Fault Slip Tendency Analysis for a Deep-Sea Basalt CO2 Injection in the Cascadia Basin

  • Eneanwan Ekpo Johnson,
  • Martin Scherwath,
  • Kate Moran,
  • Stan E. Dosso and
  • Kristin M. Rohr

23 April 2023

Offshore basalts, most commonly found as oceanic crust formed at mid-ocean ridges, are estimated to offer an almost unlimited reservoir for CO2 sequestration and are regarded as one of the most durable locations for carbon sequestration since injecte...

  • Communication
  • Open Access
3 Citations
4,160 Views
14 Pages

3 April 2023

The final goal of this paper is to contribute to the difficult task of understanding and forecasting submarine volcanic eruption activity by proposing a method to quantify discolored water. To achieve this purpose, we quantitatively analyzed the disc...

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GeoHazards - ISSN 2624-795X