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28 Mar 20172017 ADMS User Group Meetings to be held in Birmingham, 1-2 November

The 2017 User Group Meetings will be held in Birmingham on 1st and 2nd November.

  • ADMS 5 User Group Meeting: Wednesday 1st November
  • ADMS-Urban and ADMS-Roads User Group Meeting: Thursday 2nd November

These meetings will include the usual mix of presentations by CERC staff and software users and are the ideal opportunity to hear the latest news and advice on new model features.

Users with a valid support contract are entitled to a number of free or reduced-rate delegate places depending on the type of licence held. Please contact CERC if there is a topic you would like to be covered at one of the meetings or if you would like to give a ‘user view’ presentation. More details will be published later in the year; registration will open online in the Summer.

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10 Mar 2017ADMS-Urban & ADMS-Roads 4.1 released

The latest versions of ADMS-Urban and ADMS-Roads are now available for download.

ADMS-Urban & ADMS-Roads are comprehensive tools for investigating air pollution taking account of complex urban morphology including street canyons and road tunnels. ADMS-Roads is designed primarily for networks of roads that may be in combination with industrial sites, for instance small towns or rural road networks. ADMS-Urban can model large urban areas providing output from street-scale to urban-scale.

New features in version 4.1 include:

  • project files: allowing background maps, contour plots, layer symbology and more to be saved and reopened with your model input files;
  • quick creation of terrain files from OS terrain 50 and SRTM data formats;
  • road geometry simplification using Douglas-Peucker vertex reduction;
  • file drag-drop and context menus throughout the Mapper and interface; and
  • the latest UK emissions factors from EFT 7.0

For more information about all the new features please see the relevant What’s New? guide.

Eligible users should log in to the User Area in order to download the new versions.

For further information please contact us.

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2 Mar 2017ADMLC report on source term sensitivity in dispersion models

CERC's consultancy team, with GT Science & Software Ltd, has carried out a High Level Review of the Sensitivity of Dispersion Model Predictions to Individual Source Term Parameters. The work was funded by the UK Atmospheric Dispersion Modelling Liaison Committee (ADMLC) and the report is freely available here.

Defining source terms is an essential part of dispersion modelling. A substance can be released into the atmosphere in many different ways, particularly in accidental release situations. It is important to have an understanding of the sensitivity of the model results to each of the source term input parameters.

The review discusses the main issues of source term sensitivity, describes a range of commonly-used dispersion models, and presents the results of detailed sensitivity tests. The source terms examined in the review include evaporating pools, pressurised catastrophic failures, jet releases, spray releases, warehouse fires and pool fires.

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1 Mar 2017CERC workshop: Reviewing Air Quality Modelling Assessments for Planning

In February, CERC held a workshop in Cambridge, UK, attended by over thirty delegates from local authorities and consultancies.

The workshop comprised presentations from CERC consultancy staff and external speakers, as well as breakout discussion sessions. Subjects presented during the day included:

  • dispersion model inputs, including emission factors;
  • validation, verification and NOx chemistry; and
  • assessment of the significance of air quality impacts.

The discussion sessions opened channels of communication, sparking lively debate.

The workshop was a great success and CERC hopes to run a similar event in the near future. If you are interested in attending a workshop in future, please contact CERC. Also, see our web site for more information about CERC's training courses.

Feedback from delegates who attended the workshop:

    Very useful as a consultant to be better aware of what local authorities require. And making sure a robust assessment is being prepared.

    Very helpful and relevant to my daily work tasks. The interactions and discussion sessions were really useful.

    Topics and content very relevant and focused ‑ extremely useful.

    Every element was relevant and very informative. I wanted to understand more about modelling, and now I do. I feel I will be able to be a better air quality officer now!

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28 Feb 2017ADMS 5.2.1 released

There is a new version of ADMS 5 available, which is a minor update to version 5.2 released last November. The new release includes the latest versions of AERMOD (16216r) and AERMET (16216) as released by the US-EPA. View the readme document for further details about the update.

Current users should login to the User Area to download either the patch or the full install. If you already have ADMS 5.2 installed, you need only download the patch to update your existing installation.


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