Floods and Climate

A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Climatology".

Deadline for manuscript submissions: closed (31 July 2019) | Viewed by 10002

Special Issue Editors


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Guest Editor
Department of Civil Constructional and Environmental Engineering, University of Rome 'La Sapienza', Rome, Italy
Interests: river and coastal hydrodynamics; hydrological extremes; climate change
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Guest Editor
School of Engineering (SI-UniBas), Università degli Studi della Basilicata, Potenza, Italy
Interests: climate change modeling; weather variability and human health; hydrological process monitoring and modeling
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Flood estimation and flood management are crucial in most societies, where the high level of urbanization and the intensive use of soils increase the flood hazard, societal exposure, and vulnerability. There is therefore a strong interest in developing methods to assess the frequency, magnitude, and consequences of these extreme hydrological events.

Recently, the awareness that the radiative effects of recent anthropogenic changes in atmospheric composition are expected to cause climate changes—especially enhancement of the hydrological cycle leading to an increased flood risk—has put into discussion the basic paradigms of traditional approaches until now followed by hydrologists and water resources engineers: the steadiness and randomness of flood processes bounded at catchment scale. A number of scientists and researchers are emphasizing the necessity of enlarging the approach to estimate flood magnitude and frequency, including global deterministic processes, spatial and temporal large-scale circulation patterns, and global climate mechanisms.

This enlargement of the view poses a number of challenges, since the prediction of future changes of the precipitation regime in continental regions remains uncertain, especially for extreme events such as floods. This Special Issue of Atmosphere entitled “Flood and Climate” intends to collect scientific contributions exploring approaches for frequency and magnitude flood predictions under climate change, projection uncertainty assessment, and the identification of successful adaptation, mitigation, and risk management policies for climate change.

Prof. Dr. Francesco Cioffi
Prof. Dr. Vito Telesca
Guest Editors

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Keywords

  • flood hazard
  • frequency and magnitude flood predictions under climate change
  • climate projection uncertainty assessment
  • identification of future optimal adaptation measurement
  • mitigation and risk management policies for climate change
  • dynamic and statistical downscaling models of hydrological extremes

Published Papers (2 papers)

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Research

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11 pages, 1903 KiB  
Article
The Southwest China Flood of July 2018 and Its Causes
by Lijuan Wang, Lin Wang, Yuyun Liu, Wei Gu, Peiqiang Xu and Wen Chen
Atmosphere 2019, 10(5), 247; https://doi.org/10.3390/atmos10050247 - 6 May 2019
Cited by 6 | Viewed by 3156
Abstract
Excessive rainfall was observed over Southwest China in July 2018, leading to floods in several major tributaries of the Yangtze River and landslide and debris flow in the neighboring provinces. The rainfall during 7–11 July was unusually heavy and broke the record that [...] Read more.
Excessive rainfall was observed over Southwest China in July 2018, leading to floods in several major tributaries of the Yangtze River and landslide and debris flow in the neighboring provinces. The rainfall during 7–11 July was unusually heavy and broke the record that can be traced back to 1961. The occurrence of the excessive rain can be attributed to the anomalous convection over the western North Pacific and the presence of a mid-latitude Rossby wave train. On one hand, the convection over the western North Pacific was anomalously strong in July 2018, and it could have excited the negative phase of the Pacific–Japan pattern and led to a northwestward shift of the western Pacific subtropical high. Hence, the water vapor transport toward inland China including Southwest China was enhanced, providing a favorable moisture environment for precipitation. On the other hand, a mid-latitude Rossby wave train was observed to propagate from Northern Europe towards East Asia, which was conducive to anomalous ascending motion over Southwest China via warm advection and differential vorticity advection, creating a favorable dynamical condition for precipitation. As a result, the combination of the two effects mentioned above led to the occurrence of the flood over Southwest China in July 2018. Full article
(This article belongs to the Special Issue Floods and Climate)
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Review

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20 pages, 2550 KiB  
Review
Linking Flood Susceptibility Mapping and Governance in Mexico for Flood Mitigation: A Participatory Approach Model
by Rosanna Bonasia and Simone Lucatello
Atmosphere 2019, 10(8), 424; https://doi.org/10.3390/atmos10080424 - 24 Jul 2019
Cited by 12 | Viewed by 6459
Abstract
In many countries of the world, floods continue to cause extensive damage to people and properties. This is also the case of Mexico, where meteorological phenomena cause flooding every year. In order to mitigate continuous losses and damages, crucial tools like hazard maps [...] Read more.
In many countries of the world, floods continue to cause extensive damage to people and properties. This is also the case of Mexico, where meteorological phenomena cause flooding every year. In order to mitigate continuous losses and damages, crucial tools like hazard maps are essential for prevention. This review article analyzes the main reasons for the shortcomings on disasters caused by floods in Mexico. We argue that strong linking between the realm of technical hazard mappings and local governance as an integrated approach to manage disasters can be a basis for a new prevention policy in Mexico. This consideration is achieved through the description of the available information on the meteorological events that have caused major damage in recent years and the analysis of the interventions carried out at decision-making level by the government and the national civil protection system. The application that hazard maps have in the world and their usefulness is also discussed. From the analysis carried out it emerges that the inefficiency of the system in preventing damage caused by floods in Mexico is due to both the lack of high-level expertise in hazard maps design and the lack of their use in decision-making policies at the local level. Full article
(This article belongs to the Special Issue Floods and Climate)
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