Assessment of urban and
industrial air quality:
a real-time web based
approach
EUREKA E! 3266 WEBAIR
DDr. Kurt Fedra, ESS GmbH, Austria
Prof. Tai J. Kim, BioTel, South Korea
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Assessment
From Latin assidere:
to sit beside or assist a judge
• To determine the rate or amount
• To make an official evaluation
• To determine the importance, size,
or value of …..
(for the purpose of taxation)
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Application domain:
Air quality is a problem in all urban
conglomerates world wide;
Main pollutants: SO2, NOx, CO, O3,
PM10/2.5, benzene, lead, ….
Air pollution closely related to energy:
CO2 and GHG (Kyoto)
Emissions by: traffic, industry, households,
agriculture/biogenic sources
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Dynamic Assessment:
Impact assessment: Planning oriented,
precautionary principle, minimize and
mitigate negative impacts.
Alternative/extension:
Impact assessment as a continuous, realtime process of monitoring of impacts,
compliance monitoring, forecasting,
after implementation: aims at real-time
control.
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Air quality assessment and
management: EUREKA, WEBAIR
Fully web based management
information system, multiple
models, nested grids, integrated
data bases and GIS, real-time and
scenario analysis, optimization, …..
AirWare is the result of a number of
European and international RTD
projects and pilot applications:
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EUREKA E! 3266 WEBAIR
Partner countries: Austria, Croatia, Cyprus,
Finland, Italy, Lithiuania, Morocco, Russia,
Poland, Portugal, Switzerland, Slovenia,
Slovakia, South Korea, South Africa, Turkey
Topics:
• real-time, on-line web-based
implementation of models and tools
(nowcasting, forecasting) ,
• eBusiness, eConsulting, eGovernment
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Application domain:
• Compliance monitoring (96/62/EC),
ozone warning (forecast), reporting
• Maintenance of emission inventories
(CO2/GHG), dynamic emission modeling
• Simulation models for scenario analysis and
real-time now-casting and forecasting
• Links to traffic and energy models
• Environmental impact assessment
• Optimization for emission control strategies
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Implementation:
• Fully web based implementation
• Flexible client-server architecture,
ranging from a single stand-alone
systems to distributed networks and
clusters;
• Clients: PC with standard web browser
• Integration of simulation models, data
bases (emission modeling), and
monitoring (data assimilation)
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AirWare architecture
Real-time
monitoring
data
bases
Remote
data bases
GIS
HPCN
expert
system
models
Local client
( LAN )
Internet
client
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AirWare components:
Data bases:
• Emission inventories (georeferenced) ,
emission coefficients, temporal patterns
• Observation data (time series)
• GIS data (DEM, landuse, population)
Simulation Models:
• PBM photochemical box model
• AERMOD/AERMET (local advanced Gaussian)
• CAMx 3D nested grid Eulerian
• MM5, DWM (diagnostic wind model)
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AirWare functionality:
Emission inventories are supported for
• industrial point sources,
• commercial/ residential area sources,
• street networks (line sources).
Linked to the GIS, graphical display and
analysis tools including estimation tools
(rule-based expert system), automatic
input to the simulation models.
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AirWare functionality:
Embedded GIS:
–MapServer
–MapComposition
–MapCatalog
–Positioning of Objects
–Map Import
–Selection of background maps
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AirWare functionality:
Monitoring Data:
Time series for
• Air quality observations
• Meteorological variables
• Emission data (major stacks)
Includes the linkage to real-time telemetry data
and database servers.
Time series are attributes of georeferenced
Monitoring Station Objects.
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AirWare functionality:
Basic models in AirWare include:
• AERMOD (short term, 24 hours,
seasonal/annual long-term)
• DWM 3D diagnostic wind model
• MM5 dynamic 3D meteorology
• CAMx 3D dynamic Eulerian model,
photochemistry and nested grid
• PBM photochemical box model
• links to external models: Lagrangian and 3D
dynamic multi-puff, heavy gas (RiskWare)
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Simulation models:
• Run interactively for scenario analysis for
model domains or individual sources
– Single source impact assessment (annual)
– Monitoring station location optimization
• Run automatically every hour (now-casting)
or every day (24/48 hour forecasting) with
data assimilation
Meteo data (MM5 or model interpolated
observation data) and dynamic (modeled)
emission data are automatically provided,
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MM5 new scenario dumps
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NEW CAMx scenarios
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NEW AERMOD scenarios
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NEW CAMx scenarios
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Impact assessment:
For new or modified sources:
• Interactive construction of new emission sources
• Extracts source characteristics from the
emission inventory;
• Retrieves meteorological data for an annual
model run at hourly resolution;
• Finds monitoring points (based on annual
average maxima) in addition to user defined
location
• Computes absolute and relative contributions,
impacts relative to user defined reference.
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IMPACT assessment
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IMPACT assessment
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IMPACT assessment
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In summary:
• On-line, real-time assessment of emissions and
ambient air quality
• Public information system (Aarhus convention on
Access to Information, Public Participation in Decision-Making and
Access to Justice in Environmental Matters, UNECE 2005 )
• Operational forecasting, warning (O3)
• Emission data management
• Monitoring data management, compliance
monitoring, reporting
• EIA for new emission sources, on-line,
interactive
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AirWare:
urban and industrial
air quality assessment
and management
DDr. Kurt Fedra
Environmental Software & Services GmbH
A-2352 Gumpoldskirchen
AUSTRIA
info@ess.co.at http://www.ess.co.at/AIRWARE
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