نتایج جستجو برای: flood delineation

تعداد نتایج: 32267  

2004
DUSHMANTA DUTTA

This paper presents the findings of an analysis of flood disaster trends in Asian countries during the last 30 years. The analysis was carried out to understand the changing characteristics of flood disasters in Asian countries in the past three decades with the rapid changes in socio-economic conditions. The second half of the paper presents the results of a modeling study of flood risk manage...

2006
M. P. Singh F. N. Lee P. A. Counce

Rice blast, caused by Magnaporthe grisea Cav., frequently limits rough rice yields and cultivar options in Arkansas rice production areas. Rice growers and researchers have long observed that susceptible rice plants are more blast resistant when growing in moisture saturated or flooded soil. In fact, Arkansas growers utilized flood-induced field resistance as their primary blast control measure...

2008
A. W. Jayawardena

Climatic variability, unplanned land use pattern and encroachment into the flood plain are affecting the hydrology of Bagmati river basin of Nepal. In this study, methodology to improve present flood management system with non-structural countermeasures has been elaborated. Study of hydrological condition, basin scale rainfall runoff modeling and inundation analysis is helpful to prepare commun...

2002
Y. K. Tung

Channel flow routing provides information on the movement of flood wave as it travels downstream. From the flood forecast viewpoint, it is desirable to have some knowledge about the expected arrival time of peak flow. However, many parameters involved in the flow routing model, in reality, can not be quantified with certainty. In this paper, a probabilistic analysis using the Mellin transform i...

Journal: :Journal of nuclear medicine technology 2015
Frank P DiFilippo Richard C Brunken Donald R Neumann

UNLABELLED Lymphoscintigraphy uses intradermal or interstitial injections of (99m)Tc-labeled tracers to produce images of focal lymph nodes. Because there is little or no anatomic information in the (99m)Tc images, a (57)Co flood source is sometimes used to provide transmission data along with the emission data. The anatomic shadow from the transmission scan generally improves interpretation an...

2014
J. Hall B. Arheimer M. Borga R. Brázdil P. Claps A. Kiss T. R. Kjeldsen

There is growing concern that flooding is becoming more frequent and severe in Europe. A better understanding of flood regime changes and their drivers is therefore needed. The paper reviews the current knowledge on flood regime changes in European rivers that has traditionally been obtained through two alternative research approaches. The first approach is the data-based detection of changes i...

2008
MING LI WEI ZHAO

Distributed denial-of-service (DDOS) flood attacks remain a big issue in network security. Real events of DDOS flood attacks show that an attacked site (e.g., server) usually may not be overwhelmed immediately at the moment attack packets arrive at that site but sometime late. Therefore, a site has a performance to resist DDOS flood attacks. To test such a performance, data synthesizer is desir...

2014

This paper explores potential flood resilience approaches for the highly urbanised Wortley Beck river basin, south west of the City of Leeds, UK. Integrated 1D and 2D hydrodynamic modelling, using the ISIS and TUFLOW has been utilised to explore potential impact of SuDS on the flood hazard for three (1:15, 1:50 and 1:100) flood events. A direct rainfall runoff modelling approach has been employ...

2010
William T. Pecora

____-----__-___-___..______-_--_-__________ Introduction_______________________________________ Frequency of overbank flow.__________________________ Formation of a typical flood plain_____._______________ The characteristics of point bars._________________ Sediments forming a typical point bar_________ Process of formation and elevation of the surface of point bars.____________________________...

2017
B. Merz H. Kreibich A. Thieken R. Schmidtke

Traditional flood design methods are increasingly supplemented or replaced by risk-oriented methods which are based on comprehensive risk analyses. Besides meteorological, hydrological and hydraulic investigations such analyses require the estimation of flood impacts. Flood impact assessments mainly focus on direct economic losses using damage functions which relate property damage to damagecau...

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