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PRODID:-//Memento EPFL//
BEGIN:VEVENT
SUMMARY:Diagnostic Framework for Prediction of Floods
DTSTART:20091207T161500
DTSTAMP:20260510T131453Z
UID:ad6d1471ead71b2c31e1948ac62b54a590df879cc0abf34a73b7338d
CATEGORIES:Conferences - Seminars
DESCRIPTION:Pr Witold F. Krajewski\, director of Iowa Flood Center\nThe sp
 eaker outlines a diagnostic framework for modeling and prediction of flood
 s.  The framework takes advantage of the scaling of peak flows with draina
 ge area.  It has been known for quite some time that the annual statistics
  of flood peaks obey power laws with respect to areas.  Less known is obse
 rvational evidence that similar scaling relationships are valid at the eve
 nt scale.  Much of this evidence comes from data analysis of the recent Ju
 ne 2008 floods in Eastern Iowa.  Data collected by the USGS from basins wi
 th area ranging over four orders of magnitude display strong power laws.  
 This behavior of flood peaks can be explained by the role of rainfall vari
 ability in space and time\, the drainage network topology\, and the associ
 ated water transport.  The speaker discusses examples that explore the rol
 e of rainfall variability and the associated rainfall estimation uncertain
 ty in the context of flood forecasting.  He also demonstrates the potentia
 l of the framework for the prediction of land use change effects such as u
 rbanization on flood occurrence and characteristics of flooding.  He close
 s with an outline of the implications of the presented framework for real 
 time flood forecasting and for flood frequency prediction under changing c
 limate.
LOCATION:GR B3 30
STATUS:CONFIRMED
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