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Geomorphological Research for Management and Mitigation of Geo-hydrological Risk and Environmental Sustainability

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Hazards and Sustainability".

Deadline for manuscript submissions: closed (30 June 2020) | Viewed by 12677

Special Issue Editors


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Guest Editor
Department of Earth, Environment and Life Sciences, University of Genoa, Genoa, Italy
Interests: applied geomorphology; geo-hydrological hazards; geomorphological mapping; environmental geology

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Guest Editor
Research Institute for Geo-Hydrological Protection, Italian National Research Council, Strada delle Cacce 73, 10135 Torino, Italy
Interests: land-use planning; urbanization and geo-hydrological processes; historical research
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Earth and Environmental Sciences, California State University, Fresno, 2576 E. San Ramon Ave., Mail-Stop ST-24, Fresno, CA 93740, USA
Interests: engineering geology; environmental geology; environmental impact assessment; sustainable development

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Guest Editor
Faculté de géographie et d’aménagement, University of Strasbourg, Laboratoire image ville environnement, 3 rue de l'Argonne, 67000 Strasbourg, France
Interests: hydromorphology; droughts and floods; natural risks; climate change

Special Issue Information

Dear Colleagues,

It is with great pleasure that we announce a Special Issue of the Sustainability journal entitled:

Geomorphological Research for Management and Mitigation of Geo-hydrological Risk and Environmental Sustainability”.

The topic that we intend to address together with your help is very timely. We expect to receive many papers from geologists, engineers, agronomists, environmental scientists who have worked in the specific field of geomorphology for the management and mitigation of Geo-hydrological risk and environmental sustainability.

We hope you can submit a contribution to the volume.

Background

Every year around the world, a great number of natural processes like landslides, muddy-debris flows and floods occur. Their effects often involve urbanized areas causing severe damage and casualties. In many cases, this problem must be considered as a direct consequence of incomplete and/or uncorrected land planning that has permitted the urbanization of areas potentially prone to geo-hydrological hazards.

In the aftermath of such severe events, the mass media wonder how they can happen, and the scientific community gives precise answers that often seem obvious: "in that area nothing should have been built". The experts often propose the need to relocate residential or industrial areas. However, this has rarely been achieved because of the physical or economic difficulties and the reluctance of local inhabitants. Consequently, the preferred response is to use engineering measures for local remedial works.

This inadequate land-use management, in many countries, has been tackled by the introduction of mitigation procedures. This have included legislation for gradually instituted many regional and local planning instruments and special plans for areas characterized by very high geo-hydrological risk.

Although in these last years effective and valuable tools have been introduced to evaluate the risk to constructions in areas prone to geo-hydrological hazards, the disastrous natural processes continue to take a heavy toll.

The Aim

The aim of the Special Issue is to analyse the state-of-the-art in the field of land management in relation to Geo-hydrological risks. The volume will collect papers produced by different authors and groups working in the field of natural hazards, geo-hydrological risk, land-use planning and urban planning. Papers on case studies from all over the world will be very welcome. The aim of the Special Issue of Sustainability is to inform the international scientific community and especially technicians, politicians and urban planning authorities about the results of studies and research that have been carried out in this field, suggesting a sort of pathway for effective risk reduction and sustainable land management.

Prof. Dr. Francesco Faccini
Dr. Fabio Luino
Prof. Dr. Jerome V. De Graff
Prof. Dr. Carmen de Jong
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sustainability is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • flood, urbanization
  • land-use planning
  • risk evaluation
  • risk mitigation
  • urban flood resilience
  • environmental sustainability

Published Papers (3 papers)

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Research

26 pages, 10597 KiB  
Article
Assessing the Effectiveness of Using Recharge Wells for Controlling the Saltwater Intrusion in Unconfined Coastal Aquifers with Sloping Beds: Numerical Study
by Asaad M. Armanuos, Nadhir Al-Ansari and Zaher Mundher Yaseen
Sustainability 2020, 12(7), 2685; https://doi.org/10.3390/su12072685 - 29 Mar 2020
Cited by 18 | Viewed by 2976
Abstract
Groundwater systems are considered major freshwater sources for many coastal aquifers worldwide. Seawater intrusion (SWI) inland into freshwater coastal aquifers is a common environmental problem that causes deterioration of the groundwater quality. This research investigates the effectiveness of using an injection through a [...] Read more.
Groundwater systems are considered major freshwater sources for many coastal aquifers worldwide. Seawater intrusion (SWI) inland into freshwater coastal aquifers is a common environmental problem that causes deterioration of the groundwater quality. This research investigates the effectiveness of using an injection through a well to mitigate the SWI in sloping beds of unconfined coastal aquifers. The interface was simulated using SEAWAT code. The repulsion ratios due to the length of the SWI wedge (RL) and the area of the saltwater wedge (RA) were computed. A sensitivity analysis was conducted to recognize the change in the confining layer bed slope (horizontal, positive, and negative) and hydraulic parameters of the value of the SWI repulsion ratio. Injection at the toe itself achieved higher repulsion ratios. RL and RA declined if the injection point was located remotely and higher than the toe of the seawater wedge. Installation at the toe achieved a higher RL in positive sloping followed by horizontal and negative slopes. Moreover, the highest value of RA could be reached by injecting at the toe itself with a horizontal bed aquifer, followed by negative and positive slopes. The recharge well is confirmed as one of the most effective applications for the mitigation of SWI in sloping bed aquifers. The Akrotiri case study shows that the proposed recharging water method has a significant impact on controlling SWI and declines in both SWI wedge length and area. Full article
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32 pages, 8598 KiB  
Article
Integrating Remote Sensing and Hydrologic Modeling to Assess the Impact of Land-Use Changes on the Increase of Flood Risk: A Case Study of the Riyadh–Dammam Train Track, Saudi Arabia
by Ashraf Abdelkarim, Ahmed F. D. Gaber, Ibtesam I. Alkadi and Haya M. Alogayell
Sustainability 2019, 11(21), 6003; https://doi.org/10.3390/su11216003 - 28 Oct 2019
Cited by 11 | Viewed by 5497
Abstract
The current study aimed at measuring the impact of the change in land-use morphology on the increase of flood risk through its application to the case of the Riyadh–Dammam train track in Saudi Arabia. The track was exposed to drift on 18 February [...] Read more.
The current study aimed at measuring the impact of the change in land-use morphology on the increase of flood risk through its application to the case of the Riyadh–Dammam train track in Saudi Arabia. The track was exposed to drift on 18 February 2017, over a length of 10 km, in the district of Dhahran in the capital of Dammam. Flooding caused the train to drift off its track and resulted in damage to lives, property, and infrastructure. This resulted from human interventions in the preplanning land uses and changing the morphology of the land by encroaching on the valleys, which resulted in the loss of the environmental and ecological balance in the study area. In order to achieve these goals, land-use changes in the study area were monitored by analyzing successive images from the GEO-I-1 satellite with a resolution of 60 cm for the years 2011 and 2017, before and after the train drift, using the maximum likelihood classification process provided in ERDAS IMAGINE 2016. GIS was used in the processing of 1 m digital elevation models to extract the morphological changes of the wadies between 2011 and 2017. A hydrological model (HEC–HMS) was used in calculating the (flood) hydrograph curve of the wadies basins and estimating the calculation of flood water quantities and its flow rates based on the Soil Conservation Services (SCS) Unit Hydrograph Method. Rain depth was analyzed and estimated for different return periods. The HEC–RAS hydraulic modeling program was employed in developing a 2D model to calculate the velocity, depth, and spread of the flood in order to apply the risk matrix method. Full article
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22 pages, 12489 KiB  
Article
Geomorphological Landscape Research and Flood Management in a Heavily Modified Tyrrhenian Catchment
by Pietro Piana, Francesco Faccini, Fabio Luino, Guido Paliaga, Alessandro Sacchini and Charles Watkins
Sustainability 2019, 11(17), 4594; https://doi.org/10.3390/su11174594 - 23 Aug 2019
Cited by 20 | Viewed by 3610
Abstract
Since the nineteenth century, most urban catchments in Europe have been subject to significant landscape variations. These modifications have been caused by population change and the transition through rural, industrial and post-industrial economies. Land use and rainfall regime changes, together with land use [...] Read more.
Since the nineteenth century, most urban catchments in Europe have been subject to significant landscape variations. These modifications have been caused by population change and the transition through rural, industrial and post-industrial economies. Land use and rainfall regime changes, together with land use variations, are frequently associated with flood hazard increase. This paper examines geomorphological landscape changes from the nineteenth century to the present day in the Bisagno Valley, Genoa metropolitan area. The Valley is internationally known for its recurring floods: the last events with fatalities occurred in 2011 and 2014. The extent of landscape change and the history of floods were examined by combining scientific data and information from historical maps, written accounts, topographical drawings and photographs. Historical–geographical and geomorphological analyses were used to reconstruct the runoff for three different periods since 1850. Our results demonstrate that geomorphological landscape variations, including modifications of the river bed, and the abandonment of the countryside and terraces are not sustainable and have progressively allowed an increase in flooding, making it necessary to implement sustainable management policies. In particular, specific spatial urban planning and management measures are necessary in order to mitigate flood hazard and vulnerability. Full article
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