Monday, 28 April 2014
2014 MIKE by DHI UK Symposium:
Knowledge sharing for water and environmental professionals
Date: 13th to 14th May 2014
Venue: Coombe Abbey Hotel, Warwickshire, UK
Cost: Free event (excepting accommodation costs - see below)

There are now only two weeks before the 2014 MIKE by DHI UK Symposium, and it promises to be a well-supported event again this year.

The Symposium is a free-of-charge knowledge sharing event for water and environmental professionals comprising both conference-style presentations (during the User Group Meeting on the first day) and workshop-style training sessions.

The programme is being finalised and the latest version can be viewed here.

As a flood professional, you may be interested in talks on 'Modelling Extreme Water Levels in the Swan and Canning Rivers in Perth, WA', 'Catchment Flood Risk Assessment and Management (CFRAM) Studies in Ireland' and 'The CORFU Flood Damage Assessment Toolbox'. The training on the second day will include the setup and review of fully integrated riverine, urban pipe & overland flow flood models.

If you work within the coastal or marine environment, you may find talks on 'Using MIKE 21 for the Estimation of Japan Typhoon Risk', 'How Severe was the 2013/14 Winter, and How Did the Met Office Wave Model Perform?' and 'Water Level and Tidal Current Calibrations in Ramsey Bay' interesting. Training on the following day includes guidance on wave transformation, overtopping of coastal defences and associated flood inundation.

Other presentations and training sessions will cover diverse topics including water quality and groundwater behaviour.

To celebrate our 50th Anniversary, there are also several special offers ranging from additional free training, to free or discounted software for all those who attend the event. You may find the offer of a free 'Natural Flood Management Workshop' with complimentary MIKE SHE 'Pilot Project' licence of particular interest.

For up-to-date information, including a full agenda, please visit the event website at Online booking is now available at, so don’t miss out, make your booking now!

As usual, our Symposium is free of charge and participants will receive lunch and refreshments on both days. Overnight accommodation is available at the venue for a special rate of £94.50 per person per night, including evening meal and breakfast.

If you would like more information about the content of the event please visit or contact:
We very much hope to see you at what will undoubtedly be a very interesting and informative event.

The UK Team

We win a high-profile bird collision avoidance study in the United Kingdom

In collaboration with NIRAS and BirdLife Denmark, we’ve been awarded a high-profile research project focusing on the collision risks of birds at offshore wind farm.

Part of the Offshore Renewables Joint Industry Programme (ORJIP), this technically challenging project will quantify and interpret avoidance behaviour of key marine bird species. The results of the study will be used to obtain a more realistic estimate of bird collisions with offshore wind farms. Read more >>>

Additional project information
Providing the modelling software for a project using drones to analyse coastal erosion

We are a partner on the Innovative Methodologies for Coastal Environmental Monitoring and Analysis (MIRAMar) project in Italy. Researches will use our MIKE by DHI software for the modelling portion of the study.

The MIRAMar project is examining new ways to survey, monitor and analyse the effects of strong wind and waves on shorelines using small, remote-controlled, camera-equipped drones. A team of scientists, including Alessio Rovere (Junior Research Group Leader, the Centre of Marine Environmental Sciences and the Centre for Tropical Marine Ecology, University of Bremen) and Elisa Casella (Environmental Engineer, University of Genoa, Italy) are working on the project. Read more >>>

Additional project information
Evaluating the future impact of land-use and development policies for the Elbow River Watershed

We helped Alberta Environment and Sustainable Resource Development (ESRD) and the University of Calgary develop an integrated dynamic modelling system for the Elbow River watershed.

This system will help stakeholders understand the potential impact of land-use changes and climate change scenarios on the Elbow River Watershed’s hydrological processes. Read more >>>

Additional project information
Conducting a flooding study for Jaslovske Bohunice Nuclear Power Plant in Slovakia

We helped Jaslovske Bohunice Nuclear Power Plant ensure it has adequate flood prevention measures in place in the event of extreme rainfall.

The tsunami that severely damaged Japan’s Fukushima Nuclear Power Plant on 11 March 2011 highlighted the global concern for ensuring the safety of nuclear power plants. After the tsunami, crisis managers in the nuclear energy sector started to prepare and upgrade risk studies, taking all possible sources of risk into account. Read more >>>

Pushing the Boundaries – New Issues and Applications in Groundwater Modelling
Date: 13 May 2014
Event type: Conference
Organised by: Groundwater Modeller’s Forum, Hydrogeological Group
Venue: Birmingham

The UK Groundwater Modellers’ Forum is holding its 12th workshop on new issues and applications in groundwater modelling in the UK. Read more >>>

DHI will be presenting at the above Groundwater Modellers' Forum event on the 13th May 2014. Roberta-Serena Blasone (DHI) will give a talk on 'Coupling groundwater and ecological models (MIKE SHE & ECO Lab)' at the conference, focussing upon: -
  • Two of the key objectives of the European Water Framework Directive (WFD) are: 1) to protect and enhance the status of aquatic ecosystems (and terrestrial ecosystems and wetlands directly dependent on aquatic ecosystems) and 2) to provide for sufficient supply of good quality surface water and groundwater as needed for sustainable, balanced and equitable water use. These requirements, together with the growing acceptance of the integrated water resource management approaches that treat catchment management holistically, provide a strong motivation to develop integrated hydrological and water quality tools that can address problems related to ecological status and restoration. In particular, managers need to be able to quantify changes in ecosystem status caused by changes in catchment management. A new and powerful eco-hydrological modelling tool has been developed, combining a generic ecological modelling tool (ECO Lab) with a fully integrated catchment modelling tool representing surface water, soil- and groundwater as well as water quality processes (MIKE SHE). This paper will present applications of this new tool to case studies involving wetland ecosystems in Denmark and the US.
If you are attending the above event, you are most welcome to participate in the free 'Groundwater Modelling with FEFLOW' training course on the following day (14th May) at our User Group Meeting venue (easily accessible from Birmingham). Read more >>>

Thursday, 24 April 2014
2014 MIKE by DHI UK Symposium
Date: 13th to 14th May 2014
Venue: Coombe Abbey Hotel, Warwickshire, UK
Cost: Free event (excepting accommodation costs - see below)

To download and distribute the latest 2014 MIKE by DHI UK Symposium flyer please click here: -

MIKE by DHI 2014 Service Pack 1 is available

Service Pack 1 for Release 2014 is now available for download. Please see the updated release notes for information about the corrections and improvements in Service Pack 1. If you have questions about MIKE by DHI 2014 or the latest Service Pack, please do not hesitate to contact

To download Release 2014 Service Pack 1 please click below: -

2014 MIKE by DHI UK Symposium
Date: 13th to 14th May 2014
Venue: Coombe Abbey Hotel, Warwickshire, UK
Cost: Free event (excepting accommodation costs - see below)

We are now very close to finalising the agenda for the 2014 MIKE by DHI UK Symposium (see below). This event hosts our annual User Group Meeting as well as a free-of-charge Training Day. For the latter, we are aiming to provide discussion led, seminar style training sessions in a diverse range of subjects including: -
  • Wave transformation, overtopping of coastal defences and flooding (MIKE 21 BW 1D & MIKE 21 FMHD)
  • Fully integrated riverine, urban pipe & overland flow flood modelling (MIKE FLOOD 3-way Coupling & Flexible Mesh)
  • Introduction to FEFLOW

Monday, 21 April 2014
Discharge calculator for MIKE Zero 2014 64-bit

A simple extension to the standard MIKE 21 Discharge Calculation tool that adds support for multiple cross sections. The points defining the cross sections must be given as j,k (grid) coordinates, and written in a text file as follows: -

! j1,k1 j2,k2 Name
50,50 55,55 firstCRS
50,75 55,80 secondCRS
55,80 60,85 thirdCRS
60,85 65,90 forthCRS
65,90 70,95 fifthCRS
For installation, you need to have MIKE Zero 2014 64-bit on your PC. It does not need to be located in any specific place, simply copy and unzip to any folder. We have also attached a template text file with j,k coordinates.

Notes: -
  1. Care should be taken when using the tool with MIKE 11 Maps output (h,p,q) to calculate combined discharges for rivers and floodplains. If a 1D river channel is very nearly sub-grid (i.e. the MIKE 11 channel occupies only one MIKE 21 cell), the 2D resolution across the river may not be sufficiently fine to accurately calculate the topographic properties (e.g. local water depth), and hence the discharge component, of the river channel. In such cases you should run the tool on the MIKE 21 results (e.g. floodplain flows only) and add the calculated discharges to 1D discharges exported from MIKE 11 (e.g. from within MIKE View).
  2. Generally, there is a high degree of uncertainty in providing combined discharges at river nodes; for example, the orientation of the cross section will vary the calculated discharge (flows will be different if the ‘cross sections’ are normal to either the river channel or valley itself), similarly integrating discrete points within the main river bed in 2D may deviate from the 1D discharge results at the same location, some floodplain configurations are not conducive to calculating a single combined flow rate, etc. As such, we would require that you undertake to verify the derived outputs to satisfy your own quality assurance procedures (as you would with any numerical modelling exercise).
  3. Please be aware that this tool is non-commercial and is provided ‘as is’ without warranty. The tool has not been subjected to the same rigorous validation and improvement / update programme as our commercial software and, as such, is to be used at your own risk. The functionality and accuracy of the tool must be checked and verified prior to use.

Thursday, 17 April 2014
ICE Flooding 2014
Sustainable Flood Risk Management for Communities and Infrastructure
13 May 2014 - London, UK

DHI will be at the ICE Flooding Conference 2014 in London on the 13th May 2014 and are very happy to extend an invitation to clients and partners (who are inexplicably unable to join us at our User Group Meeting that same day!), to discuss the newest developments in the market, and to share visions and ideas on future opportunities.

Dr Michael Butts (Head of Innovation, DHI) will give a talk on 'Integrating flood risk into catchment management' at the conference, touching upon: -
  • Flood risk must be managed and planned both locally and at the catchment scale
  • Illustrative cases where we have had to address fluvial, urban, groundwater and coastal flooding and their interplay
  • Resolving the conflict between protecting infrastructure and the built environment and restoring riparian ecosystems
  • To adapt effectively we need to move from flood forecasting to real-time catchment management
If you are attending ICE Flooding 2014, you are most welcome to attend one of several flood risk related training seminars on the following day (14th May) at our User Group Meeting venue (easily accessible from London). Read more >>>

Assessing The Impacts Of Rural Land Management Change On Flooding And Flood Risk (The Catchment Approach)

Following on from this post, a few more links focussing on the work of Jong-Sook Park for the Parrett catchment in SW England and its Tone subcatchment: -
Here a fully integrated MIKE SHE/MIKE 11 model was applied to the entire Parrett catchment to model the complex hydrological response of the catchment; 2D overland flows, groundwater components (both unsaturated zone and saturated groundwater zones), 1D river flows and their interactions.

Representation of vegetation growth in channels and floodplains

MIKE 11 has long been able to manipulate channel roughness (Manning's n) with a time series file. This can be very useful in modelling the effect of long term vegetation growth in unmaintained river channels, and to optimise river maintenance regimes. In fact, there are a number of ways to vary roughness during a MIKE 11 simulation: -

1) Resistance factor varies by time

Set as a boundary condition.
  • Boundary description: Global or Distributed Source
  • Boundary Type: Resistance factor
The time series file contains a multiplication factor which is applied to the defined channel roughness during the simulation (e.g. at each time step).

2) Resistance factor varies by a function of depth, velocity, both, etc

Set as a hydrodynamic parameter.
  • Bed Resist. Toolbox
  • Bed resistance equation: Not active, function of ln(velocity*Hydraulic Radius), function of depth, function of velocity or Table (Velocity, Resistance value)
All features (equations and table) can be defined both globally and locally, and for uniform or triple zone approaches.

Additionally, time varying roughness is also possible in MIKE 21 (e.g. for 2D flow on floodplains when using MIKE FLOOD). Please see the example below: -

Tuesday, 8 April 2014
Improved Water Quality via integrated real time control of combined sewer system and wastewater treatment plant during rain, including the reopening of a cased river.

The main challenge for the city of Aarhus is the recreational area Lake Brabrand close to the city center that drains via the small river Aarhus to Aarhus harbour. The urban development in the area is rapid and will continue to be so in the coming years. The river and the harbour will also become important recreational elements. The water in the lake, river and harbour is adversely affected by CSOs, storm water drains and effluent from wastewater treatment plants. Read more >>>

More information: -

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Welcome to DHI UK

DHI is an independent, international consulting and research organisation with the global objective of advancing technological development and competence with respect to water, in all of its environments.

Worldwide, we offer a wide range of consulting services and leading edge technologies, software tools, environmental laboratories, and physical model test facilities, as well as field surveys and monitoring programmes. Designated as a not-for-profit organisation, DHI is able to invest a considerable portion of its resources in research and development. Today we co-operate with many Universities, and research organisations, and are recognised globally for our innovation and expertise.

In the UK, DHI offers niche or specialist consultancy services in the water and environment market to government agencies, commercial entities and selected research organisations. We fulfil a research based specialist advisor role; a ‘Consultant to the Consultants’. We also supply and support the renowned MIKE by DHI suite of integrated water modelling tools.

MIKE by DHI software is the result of years of experience and dedicated development and has, in many regions, become the standard modelling tool. It transforms our science into practice and gives you the competitive edge and, through the DHI Academy, you can rest assured that there is a local team of highly skilled experts committed to train and support you every step of the way.

MIKE by DHI truly models the world of water - from mountain streams to the ocean and from drinking water to treatment plant and beyond.

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