wg2 meeting, sg4 models benchmarking smhi, norrkoping, 14 th june 2011
DESCRIPTION
DELTA tool testing for a Portuguese City Ana Miranda and Helena Martins University of Aveiro, Portugal. WG2 Meeting, SG4 Models Benchmarking SMHI, Norrkoping, 14 th June 2011. Installation /download. simple installation process - PowerPoint PPT PresentationTRANSCRIPT
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WG2 Meeting, SG4 Models BenchmarkingSMHI, Norrkoping, 14th June 2011
DELTA tool testing for a Portuguese CityAna Miranda and Helena MartinsUniversity of Aveiro, Portugal
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Installation /download
Preparation of input files
• simple installation process
• the needed side tools and where they can be downloaded should be mentioned earlier in the User’s Guide
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Case-study – Porto 2006 - monitoring data
PM10 daily LV exceedances
Air quality monitoring stations with efficiency >90% in 2006: O3 - 8
PM10 - 6 NO2 - 6
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Case-study – Porto 2006 - modelling data
MM5-CAMx simulation domains
• D3 : 1km x 1km spatial resolution
• binary CAMx output files
• post-processing conversion to ascii
• csv_to_modeltype.sav
• check_io_preproc.sav
D1
D2
D1
D2
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Installation /download
Preparation of input files
Configuration
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Installation /download
Preparation of input files
Configuration
Exploration
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Exploration – O3 8-hour daily max – scatter mean stations
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Exploration – O3 8-hour daily max – all values
VILA NOVA DA TELHA LEÇA DO BALIO
• general over-estimation of O3 8-hour daily maximum
• under-estimation for peak concentrations
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Exploration – O3 8-hour daily max – Taylor diagram
• correlation coeficients between 0.5 and 0.8
• CRMSE < 0.4
• STD < 0.6
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Exploration – O3 8-hour daily max – Bugle diagram
• MFB : 3 monitoring stations outside the criteria line
• MFE: all stations meet the goal or criteria
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Exploration – O3 8-hour daily max – Target diagram
• trouble in the interpretation (namely the r lines)
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Exploration – PM10 daily mean – scatter mean stations
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Exploration – PM10 daily mean – all values
ANTAS BOAVISTA
• ANTAS: hability to simulate some of the peak concentrations
• BOAVISTA: unnable to simulate peak concentrations
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Exploration – PM10 daily mean – Taylor diagram
• correlation coeficients between 0.3 and 0.7
• STD > 0.8
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Exploration – PM10 daily mean – Bugle diagram
• all stations meet the goal or criteria
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Exploration – PM10 daily mean – Target diagram
• trouble in the interpretation (namely the r lines)
• seems to indicate a worst performance than expected according to the previous diagrams
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Installation /download
Preparation of input files
Configuration
Exploration
Benchmarking
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Benchmarking
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Questionnaire• The statistical indicators selected for the performance report are
suitable and complete
• Difficulty in defining different performance criteria for different scales and pollutants
• Values for performance goals (and criteria) should be geographically dependent ex. areas of complex topography; countries at different development stages (different levels of information)
• Should the DELTA tool include directions regarding the minimum number of stations and the type of stations for model evaluation?
• Should a minimum spatial resolution be defined?
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Next steps...• Test DELTA for 5 European cities annual simulations with CAMx
(200 m spatial resolution) and URBAIR (2nd generation gaussian model, 100 m spatial resolution)
• Joint FAIRMODE exercise