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Geosciences, Volume 10, Issue 3

March 2020 - 29 articles

Cover Story: Egypt is the land of dunes. Investigations of satellite images and field measurements show that nearly all dune forms can be observed. Longitudinal dunes and barchans prevail. The study reviews the state of knowledge around distribution, sizes, dynamics, and ages of all six sand seas (large areas with more than 50% dune coverage) and ten dune fields in Egypt. Regarding the sparse chronological data to date, for a reasonable estimation of future sand mobility in the course of global climate change, further data are essential. Finally, further studies concerning sand mobility, local wind systems, and land use are needed. View this paper
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Articles (29)

  • Article
  • Open Access
24 Citations
12,895 Views
26 Pages

Earthquakes can influence flood hazards by altering the flux, volumes, and distributions of surface and/or subsurface waters and causing physical changes to natural and engineered environments (e.g., elevation, topographic relief, permeability) that...

  • Article
  • Open Access
7 Citations
4,457 Views
15 Pages

A site located on the island of Brač is known in history for world-famous architectural stone and stone mining, dating all the way back to ancient Greek and Roman times. The most famous building constructed from the stone from Brač is the Diocletian...

  • Article
  • Open Access
10 Citations
4,482 Views
28 Pages

The changes in the seismic signals generated by avalanches recorded at three sites along a path at the Vallée de la Sionne (VdlS) experimental site are presented. We discuss and correlate the differences in the duration, signal amplitudes, and...

  • Article
  • Open Access
3 Citations
2,659 Views
21 Pages

In one of their recent works, the authors examined parametrically the effect of targeted field investigation on reducing statistical uncertainty in active state analysis of earth retaining structures based on 2165 different cases for each of the slid...

  • Article
  • Open Access
11 Citations
8,386 Views
24 Pages

A New Landslide Inventory for the Armenian Lesser Caucasus: Slope Failure Morphologies and Seismotectonic Influences on Large Landslides

  • Alice O. Matossian,
  • Hayk Baghdasaryan,
  • Ara Avagyan,
  • Hayk Igityan,
  • Mikayel Gevorgyan and
  • Hans-Balder Havenith

Landslide hazard analyses in Armenia require consideration of the seismotectonic context of the Lesser Caucasus. As it is located near the center of the Arab-Eurasian collision, the Lesser Caucasus is characterized by its complex geology, dense fault...

  • Article
  • Open Access
114 Citations
10,232 Views
18 Pages

A Machine Learning-Based Approach for Wildfire Susceptibility Mapping. The Case Study of the Liguria Region in Italy

  • Marj Tonini,
  • Mirko D’Andrea,
  • Guido Biondi,
  • Silvia Degli Esposti,
  • Andrea Trucchia and
  • Paolo Fiorucci

Wildfire susceptibility maps display the spatial probability of an area to burn in the future, based solely on the intrinsic local proprieties of a site. Current studies in this field often rely on statistical models, often improved by expert knowled...

  • Article
  • Open Access
48 Citations
7,088 Views
19 Pages

Fire scar detection through orbital data can be done using specific techniques, such as the use of spectral indices like the normalized burn ratio (NBR), which are designed to help identify burnt areas as they have typical spectral responses. This pa...

  • Article
  • Open Access
2 Citations
5,690 Views
15 Pages

Mineralogical and Chemical Investigations of the Amguid Crater (Algeria): Is there Evidence on an Impact Origin?

  • Gian Paolo Sighinolfi,
  • Maurizio Barbieri,
  • Daniele Brunelli and
  • Romano Serra

Mineralogical and chemical investigations were carried out on intra-craterial bedrocks (Lower Devonian sandstone) and regolithic residual soil deposits present around the Amguid structure, to discuss the hypothesis of its formation through a relative...

  • Article
  • Open Access
8 Citations
4,282 Views
11 Pages

Seismic Exploration of the Deep Structure and Seismogenic Faults in the Ligurian Sea by Joint Multi Channel and Ocean Bottom Seismic Acquisitions: Preliminary Results of the SEFASILS Cruise

  • Jean-Xavier Dessa,
  • Marie-Odile Beslier,
  • Laure Schenini,
  • Nicolas Chamot-Rooke,
  • Nicolà Corradi,
  • Matthias Delescluse,
  • Jacques Déverchère,
  • Christophe Larroque,
  • Serge Sambolian and
  • Albane Canva
  • + 6 authors

The north Ligurian margin is a complex geological area in many ways. It has witnessed several phases of highly contrasting deformation styles, at both crustal scale and that of shallower cover tectonics, simultaneously or in quick succession, and wit...

  • Article
  • Open Access
13 Citations
6,192 Views
17 Pages

Assessment of Geological, Hydrogeological and Geotechnical Characteristics of a Proposed Waste Disposal Site: A Case Study in Khon Kaen, Thailand

  • Rungroj Arjwech,
  • Kittipong Somchat,
  • Potpreecha Pondthai,
  • Mark Everett,
  • Marcia Schulmeister and
  • Sakhon Saengchomphu

Occasionally, a selected site suitable for landfill construction is severely protested against by locals. This issue can cause the proposed landfill to be relocated to an environmentally sensitive area. The proposed Khon Kaen waste disposal site has...

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Geosciences - ISSN 2076-3263