CERC — Environmental Software and Services

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28 Apr 2016Real-time wind prediction for Hong Kong Airport

CERC and Hong Kong Observatory have developed a new system for real-time prediction of wind speed and direction. The system has been successfully applied to Hong Kong Airport, where flights are often disrupted by turbulence downwind of the mountain ridge on Lantau Island. The speed of CERC's FLOWSTAR model enables real-time predictions by integrating real-time wind profiler and radiosonde measurements. The pictures at the right show flight paths, terrain and wind speeds: (left) LIDAR measurements and (right) model predictions. For more information read our paper or contact CERC.

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15 Apr 2016CERC at the recent 'Air Quality - Science and Application' conference in Milan

In March, Dr. Jenny Stocker from CERC attended the Air Quality - Science and Application conference in Milan, presenting recent work on regional to roadside modelling and co-chairing a session on 'Development / application / evaluation of air quality and related models' . Jenny's presentation showed analyses derived from ADMS-Urban RML system output, including the influence of local and regional pollutant transport on air quality in London. ADMS-Urban pollutant concentration contours were also shown during Stijn Janssen's presentation on 'FAIRMODE's Composite Mapping Exercise'. Other session topics included measurement and modelling of non-exhaust particulates and urban meteorology. Presentations are now available for download from the conference website.

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30 Mar 2016Colchester joins the airTEXT air quality forecasting service

We are delighted to welcome Colchester Borough Council to the airTEXT air quality and health forecasting service. Colchester residents can now sign up for free air quality alerts by SMS text message, email, voicemail, and Twitter. The forecasts are also available on free phone apps for Android and iPhone.

CERC and the Council have worked together to extend the airTEXT service to the council area. airTEXT provides three-day forecasts of NO2, PM10, PM2.5 and ozone at street-scale resolution using CERC's ADMS-Urban modelling system. For more information on airTEXT, ADMS-Urban or forecasting services please contact CERC.

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4 Mar 2016CERC completes comprehensive air quality assessment for Johnson Matthey, Royston

CERC have used ADMS 5 to carry out dispersion modelling for all relevant processes on Johnson Matthey's Royston site. Impacts on both human health and natural habitats were assessed, including nitrogen and acid deposition at nearby Sites of Special Scientific Interest (SSSIs).

The site is complex: there are many emission points and buildings to be taken into account, and terrain effects are also significant. Due to the batch nature of some processes, 'typical' and 'peak' emission rates were used for assessment of long- and short term impacts, respectively. CERC has modelled emissions on the Royston site since 2002.

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26 Feb 2016FLOWSTAR-Energy: a high resolution air flow model for wind farm assessments

Flowstar-Energy is an exciting new software product from CERC; it is a practical, high resolution model that simulates air flow and turbulence over flat or complex terrain, including the effects of stratification, variable surface roughness and wind turbines in operation. FLOWSTAR-Energy is an extended version of CERC's FLOWSTAR model of flow over complex terrain; it provides the flow field and turbulence output familiar to FLOWSTAR users and in addition provides a range of essential outputs for wind farm planning, including estimates of free stream, gross and net energy yields. The model simulates wind turbine wakes, their interaction and their effect on the flow field and wind energy resource. FLOWSTAR-Energy can be used at scales from 5 metres up to 60 kilometres and for both onshore and offshore sites. The picture shows a map of the predicted wind speed within an offshore wind farm.


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