نتایج جستجو برای: floods

تعداد نتایج: 10867  

Journal: :Geophysical Research Letters 2004

Journal: :OECD regions and cities at a glance 2022

2008
Robert E. Criss William E. Winston

We thank Black (2008) for his thoughtful assembly of diverse perspectives including ours on why another disastrous Mississippi River flood occurred so soon after 1993. We have an update that elucidates and quantifies several key points of his article, particularly that a) flood frequency and heights are increasing, b) water levels for regulatory “100-year” floods are profoundly underestimated, ...

2017
Laura Lopez-Fuentes Joost van de Weijer Marc Bolaños Harald Skinnemoen

In this paper we propose a multi-modal deep learning approach to detect floods in social media posts. Social media posts normally contain somemetadata and/or visual information, therefore in order to detect the floods we use this information. The model is based on a Convolutional Neural Network which extracts the visual features and a bidirectional Long Short-Term Memory network to extract the ...

1995
J. Ganoulis

Engineering Risk Analysis and Multi-Objective Decision-Making Under Risk are considered as a general framework for floodplain management and protection from extreme floods. Distinction is made between (a) the catchment or large scale planning and (b) the local or small scale design of protective measures. After defining the risk of flooding at different scales and multiple criteria for selectin...

2013
Zbigniew W. Kundzewicz

(1) The author gratefully acknowledges valuable comments from five reviewers, Keith Beven, Jim Hall, Irina Krasovskaia, Edmund Penning-Rowsell, and Bellie Sivakumar. They helped the author to improve and enrich the chapter. (2) The work on this chapter was carried out within the WATCH (Water and Global Change) Integrated Project of the European Union's 6th Framework Programme. Floods are an inc...

Journal: :Annali dell'Istituto superiore di sanita 2012
Enzo Funari Maura Manganelli Luciana Sinisi

Change in climate and water cycle will challenge water availability but it will also increase the exposure to unsafe water. Floods, droughts, heavy storms, changes in rain pattern, increase of temperature and sea level, they all show an increasing trend worldwide and will affect biological, physical and chemical components of water through different paths thus enhancing the risk of waterborn...

2017
Xinyi Shen Emmanouil N Anagnostou Yiwen Mei Yang Hong

Basin morphometry is vital information for relating storms to hydrologic hazards, such as landslides and floods. In this paper we present the first comprehensive global dataset of distributed basin morphometry at 30 arc seconds resolution. The dataset includes nine prime morphometric variables; in addition we present formulas for generating twenty-one additional morphometric variables based on ...

2016
Gao-feng Liu Hui-min Wang Jin-ping Tong Xiaoying Lai

Urban storm floods have become one of the major natural disasters endangering city safety, economic and social development as well as life stability of urban residents. Due to urgent requirements of improving emergency management capacity, this paper introduces the strong reciprocity theory into emergency management of urban extreme storm floods (UESF), and sets up an evolutionary game model of...

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