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SUMMARY:Assessing air quality forecasts using a new evaluation technique -
  Dr Helen Dacre\, University of Reading
DTSTART:20110207T141500Z
DTEND:20110207T151500Z
UID:TALK28104@talks.cam.ac.uk
CONTACT:Dr Alex Archibald
DESCRIPTION:Air quality models can be used for a variety of applications i
 ncluding the prediction of high pollution episodes\, to determine the suit
 ability of new pollution source sites and to inform decisions on air pollu
 tion strategy and regulation. Thus\, it is important that they are evaluat
 ed against observations regularly to determine their predictive capability
  over the range of spatial and temporal scales for which they are applied.
 \n \nA new technique for the evaluation of air quality forecasts\, SAL\, w
 ill be demonstrated in this talk. This novel evaluation method provides mo
 re informative feedback on some of the physical aspects of forecast/observ
 ation differences\, by taking into account the spatial correlation existin
 g within pollution fields. The results of the evaluation provide an unbias
 ed quantitative evaluation of air quality models that is motivated by a su
 bjective visual assessment of the forecasts.  This cannot currently be ach
 ieved with traditional air quality evaluation metrics.\n
LOCATION:Unilever Lecture Theatre\, Department of Chemistry
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