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Road Transport Emission and Air Quality Modelling

24 & 25 August, 2017 - Brisbane QLD

Studies have shown that vehicle emission tools need to reflect local fleet composition, climate, fuel quality and driving characteristics to ensure adequate vehicle emission predictions for the Australian situation. This intensive two-day course will provide technical background, as well as hands-on sessions for vehicle emission software tools that are specifically developed for the Australian situation, and will discuss how to use vehicle emission estimates in combination with appropriate air quality (dispersion) software. The full course will include the following:


  • Emission Estimation
    • Basic principles of vehicle emission modelling at local, regional and national scales
    • Vehicle classification
    • Real world vehicle emissions behaviour
    • Emission inventory development for surface roads and tunnels
    • Emission factor tool for local air quality modelling (traffic situation, road gradient, etc.

  • COPERT Australia ( a dedicated Australian version of COPERT was developed in 2013 in co-operation with an EU partner. COPERT is a globally used software tool used to calculate air pollutant and greenhouse gas emissions produced by road transport, and its scientific development is managed by the European Commission.  The software estimates all types of emissions including hot running, start, evaporative and non-exhaust (tire wear, brake wear).  This software has been calibrated with thousands of vehicle emission tests that were conducted in Australia.  It links well with output from macroscopic transport models.  The software has been adopted by the National Pollutant Inventory (NPI) as the recommended model for motor vehicle emission inventories and has been used to estimate motor vehicle emissions for all states and territories in Australia in 2014 (  Note that a license key needs to be purchased for this software.

  • PΔP: a simulation tool for road vehicle emissions developed in 2013 using the same vehicle emission measurement database as used for COPERT Australia. The software tool predicts fuel consumption, air pollution and greenhouse gas emissions with a high resolution in time and space (second-by-second). It uses engine power and the change in engine power as the main model variables and included all relevant vehicle classes.  A free version of this software is included in the course.

  • Dispersion modelling: Calpuff and Aermod are the two most commonly used dispersion models in Australia and New Zealand.  Historically, exhaust emissions from road sources have been modelled using the Caline series of models or Ausroads (the Vic EPA adaption of Caline), or international models such as OSPM, SPRAY, Hyroad, LWM or GRAL.  The USEPA has flagged its intention to make Aermod the new regulatory model for roads replacing the Caline series of models. In addition, Calpuff has a new source category for road sources.  This course will briefly discuss differences between these models but focus on the use of Calpuff and Aermod.

The two-day course will cover the basic principles of vehicle emission modelling at different scales (national, regional and local) and covers simulation of the air quality impacts of road transport. The course will discuss various relevant modelling aspects, such as vehicle classification and real-world vehicle emissions behaviour. It includes an introduction to the use of COPERT Australia and PΔP to predict emissions for tunnels and surface roads and/or create emission (factor) input for direct use in dispersion model simulations for assessment of the impacts onto ambient air quality.  The course will also discuss a new emission factor tool recently developed for local air quality modelling (traffic situation, road gradient, etc.). This tool is based on COPERT Australia and is freely available for use in the Brisbane City Council area.


The dispersion modelling aspects will focus on the local scale, typically ranging from 5 metres resolution over 300 metres, up to 60 metre resolution over 900 metres.



Dr Robin Smit

Robin is a managing scientist at the Department of Science, Information Technology and Innovation (DSITI) – Inventory and Air Assessment.  He is an honorary senior fellow with the University of Queensland (School of Civil Engineering) and has over 20 years work experience in emission, air pollution and climate projects both in Europe, Asia, New Zealand and Australia. 

Andrew Martin (MAppSc MSc(EnvMgt) FAirQual)

Air Quality Manager at ASK Consulting Engineers and has specialised in air quality assessment for 23 years including both modelling and monitoring in the vicinity of roads.  He has progressed from modelling roads using the Caline series and Ausplume to the current programs Calpuff and Aermod.


NOTE: This course contains updated content for COPERT and PΔP from previous CASANZ Transport Courses. However, the dispersion modelling component of this course is available as a standalone session for people who have previously completed CASANZ Transport Courses. Please contact the CASANZ office for more information. 





Student/ Retired

Early Bird Registration
20 July, 2017




Register Online Now

Closes: 17 August, 2017




To download the Course brochure click here.

To download the Registration Form click here



Jacinda Shen
CASANZ Training Co-ordinator
Tel: +61 437 983 926


Day 1: 9.00am - 5.00pm
Day 2: 8.00am - 5.00pm


Ecosciences Precinct
41 Boggo Road
Dutton Park   QLD

Emerging Air Quality Professionals Symposium

CANCELLED - For enquiries, please contact the admin office.

Understanding and Managing Air Quality
13 & 14 July, 2017 - Surfers Paradise, QLD

This two day course introduces the fundamental aspects of air quality management, including the science behind the behaviour and effects of air pollution.  The course covers the principles of air quality and air pollutants and describes how pollutants are assessed through modelling, monitoring and emission inventories.  Air quality management is presented and discussed through group exercises and case studies.  


CASANZ is pleased to present this course in partnership with IWES at IWES Gold Coast 2017. 

CASANZ members will receive an additional 5% discount on early bird registration fees, available to the 12th June 2017. 


Event information is available at: IWES Gold Coast   




  • Air quality and air pollution definitions
  • Overview of the regulatory framework in Australia and New Zealand

Introduction to Common Air Pollutants

  • Identification of common air pollutants and their effects on humans and the environment
  • Australian and New Zealand health based standards

Hazardous Air Pollutants

  • Definitions and identification of hazardous air pollutants
  • Australian and New Zealand guidelines


  • Basic meteorology parameters and how these relate to air quality

Fate and Transport

  • Describes the factors influencing the outcome of emissions including dispersion, transformation and atmospheric removal processes

Atmospheric Pollution Modelling

  • Defines air quality models and how they are used
  • Model types, advantages and disadvantages
  • Model inputs and outputs
  • Applications

Odour, Dust and Amenity

  • Odour measurement and management
  • Dust measurement and management

Indoor Air Quality

  • Key pollutants and their sources
  • Management options

Global and trans-boundary air pollution issues

  • Climate change
  • Ozone depletion
  • Other trans-boundary air pollution issues

Air Pollution Monitoring

  • Monitoring objectives
  • Network design and siting
  • Equipment maintenance
  • Data, quality assurance and reporting
  • Monitoring methods

Estimating Emissions to Air

  • Techniques for estimating emissions
  • National Pollutant Inventory

Course Presenter

Michael Johnson is a senior technical policy advisor with the NSW Environment Protection Authority.   He has worked with government for over twenty years on management of the air environment.  As a scientist he has published on modelling photochemical pollution and now applies scientific understanding to regulatory policy.


Michael's formal qualifications are a B Sc from the University of Melbourne and an MBA from Charles Sturt University.


Michael's passion is communicating knowledge and synthesising information to advance understanding.  He is a regular presenter of CASANZ's one-day workshop The Role of Meteorology in Air Dispersion Modelling and delivers in-house training for NSW EPA.


Who should attend?

  • Local Government or regulatory agency employees managing or working with air quality issues
  • Industry, Transport, Mining, Building, Road Construction industry professionals
  • Environmental managers, consultants, scientists and engineers requiring an introduction to air quality

 Learning Outcomes

On completion of the course participants will be able to understand:

  • The basics of air pollution including:
    • Sources of air pollution
    • Health and amenity impacts
    • What happens to air pollutants when they are released
  • How the impacts of air pollution are assessed:
    • Pollutants to be considered
    • Monitoring to be undertaken
    • What needs to be assessed?
    • What modelling needs to be undertaken and what does it mean?



Email or 1800 000 404.


Mantra Legends Hotel
Cnr Gold Coast Highway and Laycock Street

Surfers Paradise, QLD


Price: $1860

Early bird price: $1710


Please register with IWES Gold Coast 2017 using the  registration form

CASANZ members must mention their affiliation on the form to receive an additional 5% discount on early bird registration fees.

The three-day Introductory CALPUFF training course is aimed at individuals interested in air quality science who have a working knowledge of dispersion modelling.  The objective of the course is to teach the proper use of CALPUFF through hands-on applications and give a thorough overview of dispersion modelling theory.  This session is recommended for new users or those requiring a refresher in the operation of the modelling system, especially the new features that have been introduced in the past few years.


The introductory course will:

  • Provide an overview of dispersion modelling theory.
  • Teach use of CALPUFF Version 7 modelling system and CALMET.
  • Enable course participants to make animations and still images of wind vectors, concentrations, deposition patterns, transport trajectories and wind roses.
  • Describe recent model enhancements such as interfacing with ASOS and WRF/MM5 meteorological data sets, roadway simulations and new post processing capabilities.
  • Present a model evaluation history and inter-comparison tests.
  • Describe the use of Australian datasets including meteorology, terrain and land use.


Jenny Barclay 

Jenny is a previous member of the CALPUFF model development team and an established CALPUFF trainer.  She has presented more than 68, three and four day courses all over the world.


COURSE Benefits 

  • Both courses are limited to twelve participants, with the small class size facilitating learning and networking
  • Hands-on computer based learning
  • Course notes and slides provided in hardcopy
  • Certificate of attendance
  • A software discount is extended to course participants wishing to purchase CALApps

ADVANCED CALPUFF Training: 20 July, 2017 

The advanced course is aimed at those who have already attended a three day introductory CALPUFF course or are experienced in using the model.  The course objective is to provide modellers with the latest CALPUFF updates and to discuss selected advanced problems.  The day is meant to be informal and be more like a workshop where issues are discussed in an open forum.  The instructor also has a range of technical subject material for presentation on many different subjects and a range of advanced ‘hands-on’ case study applications for the afternoon session.


Where possible, case studies on a selection of the advanced topics will be offered in the afternoon session.


Modelling discussions and possible case studies/problems include: 

  • Current and future status of air quality regulations and modelling
  • Prognostic meteorological model data as input to CALMET and CALPUFF.  Differences between No-Obs and Pass-through modes in CALMET.
  • Explore the sensitivity of the model (particularly CALMET) to changes in input.  For example, how does the steepness and size of a slope affect the winds generated by CALMET?  How big does a water body have to be to produce a significant effect on the wind field etc?
  • Coastline file and sea breeze fumigation
  • Working with sub-hourly data, accidental releases and development of met file using data typically available in Aust/NZ
  • Modelling fugitive dust, odours, mine blasting, etc.
  • Modelling gas to particle phase, modelling sulfates, nitrates using new advanced chemistry options
  • Using and understanding the advanced switches within CALMET/CALPUFF
  • Future enhancements to the modelling system


The software utilised will be CALPUFF Version 7, paired with the model developer’s GUI (Graphical User Interface), CALApps.


Course participants will display and manipulate model output using Surfer Version 14.






Student/ Retired

Early Bird Registration
2 June, 2017




Register Online Now

Closes: 7 July, 2017








Student/ Retired

Early Bird Registration
2 June, 2017




Register Online Now

Closes: 7 July, 2017





To download the Course brochure click here.

To download the Registration Form
click here.



Vicki Callaway
CASANZ General Manager
Tel: +61 3 9723 6588


9.00am - 5.00pm


Level 1
80 King William Street
Adelaide, SA


CALPUFF Modelling System

CALPUFF is a multi-layer, multi-species non-steady-state puff dispersion model, which can simulate the effects of time and space, varying meteorological conditions on pollutant transport, chemical transformation and plume depletion.  CALMET is a diagnostic meteorological model consisting of a wind field module and micro-meteorological modules for over-water and over-land boundary layers.  CALPUFF is a Guideline model recommended by regulatory agencies in Australia and New Zealand and many countries throughout the world.  CALPUFF is suitable for a wide variety of applications, including long-range transport, and near-field applications involving complex flows and non-steady-state situations, such as in coastal applications, calm wind dispersion, stagnation, fumigation, complex terrain and recirculation situations (e.g., land-sea breezes).  The model is suitable for source-receptor distances ranging from fence-line applications (tens of metres) to several hundred kilometres.


Several significant features of the CALPUFF modelling system are: 

  • Ability to treat spatial and temporal variability in the meteorological fields including spatial variations in turbulence due to changes in land use/surface conditions, and also temporal variability in source emissions resolved to seconds.
  • Algorithms to treat building downwash effects from point sources, including cavity concentrations.
  • Detailed treatment of coastal effects, such TIBL growth and coastal fumigation.
  • Ability to treat calm and low wind speed conditions.
  • Treatment of plume rise, including special algorithms for high temperature plumes (e.g., flares), buoyant rooftop vents, and buoyant area-source plumes (e.g., forest fires, agricultural burning, etc.).
  • Algorithms for computation of regional haze.
  • Refined modules for chemical transformation, radioactive decay, and for wet and dry deposition.
  • Ability to treat complex terrain effects.

What’s new in Version 7? 

Ongoing CALPUFF model enhancements provide new capabilities for simulating flares and road-source emissions, and all source-types with sub-hourly variations in emissions and meteorological conditions.


Roadways can now be simulated with an elongated puff method that is consistent with the reference method of using many adjacent volume sources, but has significantly reduced run-times so that large areas can be readily modelled.  Flare simulations use meteorologically-aware variable emissions files from the Alberta Flare Analysis program, so that flame-tip properties including position can be tracked.


New features in CALMET include an interface to sub-hourly ASOS and WRF/MM5 meteorological datasets.  The 2-minute average ASOS data are read by the new SURFGEN processor and formatted as a CALMET-ready, sub-hourly SURF.DAT file.


Flexible post-processing capabilities address new assessment requirements.  Running-averages as well as block-averages can be produced, and reported for any number of user-specified ranks.


Important updates have been made to the chemical transformation modules, including the ISORROPIA v2.2 aerosol module, modified gas phase chemistry and aqueous phase oxidation of SO2, and secondary organic aerosol (SOA) formation.


These and other features developed over the last few years will be included in the course material: 

  • Characterisation of the over-water boundary layer, including the use of the Coupled Ocean Atmosphere Response Experiment (COARE) flux model, enhancements in computing mixing heights, treatment of turbulence advection and the introduction of the AERMOD turbulence profiles. 
  • CALMET can be run in a “No-Observations” mode or “pass-through” mode, which allows the model to be driven with output from a gridded numerical weather prediction model alone (e.g., MM5, TAPM, WRF) with no meteorological observational data.  This allows CALMET and CALPUFF to be used in data sparse areas or as a fully prognostic (predictive) model for forecast applications.  CALMET contains links to global geophysical datasets such as terrain elevations, land use and coastline data as well as web-based meteorological datasets.

Treating downwash from elevated offshore platforms and special algorithms designed for high temperature plumes such as from flares or other types of fire sources.  It also contains a generalised coordinate system, including options for local datums, the PRIME building downwash module, and options to treat boundary conditions and certain types of non-linear effects.



Discussion will also cover inversions and stable layers, fumigation, sea-land interfaces, complex terrain interactions, data requirements for modelling, data sets and locating measurement stations and instrumentation.

This course is aimed at air quality modellers who wish to increase their knowledge of meteorology.


COURSE Presenter


Dr Elizabeth Somervell
Air Quality Scientist - NIWA

Dr Somervell holds a PhD in urban air quality modelling from the University of Hertfordshire and an MSc in Environmental Diagnosis from Imperial College, London. She has specialist skills in meteorological and air quality modelling, with experience of regional scale (UM, CMAQ) and local scale (CalPuff, Calmet, Ausplume) models. 


Since joining NIWA six years ago, Elizabeth has been involved in a range of air quality projects, including the Roadside Project, Auckland CBD’s PENAP campaign and Resilient Urban Futures. She has worked with a wide range of stakeholders including Councils, government agencies and academic institutions. She has led monitoring campaigns in the Marlborough District, produced guidelines for permissible activity limits for industrial boilers, advised on the impacts of rural burning and been heavily involved in NIWA’s vehicle emissions and woodburner emissions research.


Elizabeth sits on the CASANZ New Zealand branch committee.