نتایج جستجو برای: floods

تعداد نتایج: 10867  

2014
Vitaly Bolshakov

The paper discusses the application of linear and symbolic regression to forecast and monitor river floods. Main tasks of the research are to find an analytical model of river flow and to forecast it. The challenges are a small set of flow measurements and a small number of input factors. Genetic programming is used in the task of symbolic regression. To train the model, historical data of the ...

2006
Wesley E. Highfield Samuel D. Brody

Floods continue to pose a significant threat to the property and safety of human populations in the United States. The economic impact from floods is estimated in the billions of dollars annually, and these losses are exacerbated by increasing development. This article examines the impact of wetland alteration on flood damage among local jurisdictions in Florida over a 7-year period. Specifical...

2011
Susana Ferreira

We analyze mortality caused by 2,194 large flood events between 1985 and 2008 in 108 countries. Unlike previous studies that looked at naturaldisaster mortality, we find that year-to-year changes in income and institutional determinants of vulnerability do not affect flood mortality directly. Income and institutions influence mortality only indirectly, through their impact on the intensity and ...

Journal: :تحقیقات جغرافیایی 0
نادر پروین نادر پروین دانشگاه پیام نور

â â â  many of environmental conditions are explainable, either directly or indirectly with regard to topographical changes in pressure levels of high atmosphere. thus, studying this subject is great importance. in this article, after determining the threshold of flood in catchment, altitudinal data of 500 hp level for 44 storms generating floods during (1370_1384) were processed using the fact...

Journal: :جغرافیا و مخاطرات محیطی 0
سیدرضا حسین زاده مهناز جهادی طرقی

introduction extreme floods, hyperconcentrated and debris flows are common natural hazards in the basins which located in the northern slops of alborz mountain range (iranian north system). flood occurrence in golestan national park in 2001, 2002 and 2005( hosseinzadeh and jahadi toroghi 2012), yearly flash floods in masuleh catchment( rezaei, 2009), large flood in neka basin in 1999(poorahmad ...

Journal: :Monthly Weather Review 1920

Journal: :Monthly Weather Review 1910

Journal: :Psyche: A Journal of Entomology 1909

Journal: :Monthly Weather Review 1899

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