Wednesday, 15 February 2012
The latest MIKE by DHI NetWork newsletter has been published, and selected articles are presented below: -
- MIKE by DHI ISO 9001 certification: We are proud to announce that DNV has granted DHI the official "ISO 9001: Quality Management Systems" certificate. "Consistent, high quality of not only our software development processes but of the entire user experience with the MIKE products is our single highest priority" says Jørgen Bo Nielsen, Managing Director of the MIKE by DHI global business. Click here to read more about the ISO 9001 certification or click here to read more about it in our latest newsletter.
- MIKE by DHI in the CLOUD: Meet your deadlines without buying more hardware or software. You can now get easy access to more licenses and more hardware through the new MIKE by DHI Software as a Service (SaaS) Portal. Get started with MIKE in the cloud now! Click here to go to the MIKE by DHI SaaS Portal or click here to read more in our latest newsletter.
- Study in Florida accomplishes reduction in dredging frequency: The Matanzas Inlet in Florida and an Intracoastal Waterway close to the inlet were challenged with high waves and high levels of shoaling. This was due to a close proximity to a natural sandy inlet, causing sediment transport into the Intracoastal Waterway. The challenge of high maintenance requirements of the Matanzas Inlet in Florida has caused the Florida Inland Navigation District to initiate a study to investigate the inlet area and examine alternatives to reduce the sediment inflow into the waterways. The study was performed by Taylor engineering and a coastal model was developed using MIKE21. With concerns to the estimated construction and maintenance cost, a deep sediment basin was chosen, from several alternative solutions, which would reduce dredging frequency in the Intracoastal Waterway to one dredging operation every four years as opposed to the previous average of 2.7 years. Read more here.
- Floating breakwater reduces wave heights in tugboat port in Germany: In one of the major ports, Jade Weser Port, in northern Germany the construction of a temporary tugboat port was challenged by high waves of up to 0.8 m for a mean water level of +3.00 m NN within the port. This was caused by an exposed location of the port affected by primarily eastern and northern winds. A study was conducted for client, Inros Lackner, in order to discover ways of reducing the impact of the winds within the port area using a MIKE 21 Boussinesq wave model (BW). The study determined the actual height of the waves and a simulation of the possible reduction was made. The reached solution became a floating breakwater within the port that would reduce the wave heights of about 10–30 pct. With the combination of expert consultancy and high quality software, they were able to reach a solution that was inexpensive, fairly easy to install, and with great result for the client. For more information, read here or please contact Oliver Stoschek or Anja Brüning.
- New insight into Bull Sharks' behaviour in Australia using individual-based modelling: Studying fish, sharks, and other marine mammals is often a challenge due to lack of accurate information that provides a realistic portrait of their living conditions, movements, and the elements that affect their behaviour. Researchers at Griffith University in Queensland in Australia have recently successfully employed an individual-based modelling technique to investigate the habitat and movement patterns of juvenile bull sharks in the Tallebudgera Creek estuary in Australia. The modelling tools in MIKE21 and ECO Lab were used to accurately capture the hydrodynamics of the estuary to create a virtual habitat and integrate tracking results of a number of juvenile bull sharks. Their work has provided new valuable knowledge and a fairly accurate picture of, which elements affect the bull sharks and their living conditions such as water quality, salinity levels, turbidity, and currents. Thus, this use of individual-based modelling paves the way for new possibilities of researching marine mammals in the future. The research project at Griffith University in Australia is a recent example of how MIKE by DHI supports universities by providing software to PHD and MSc students on very favourable conditions. For more information about individual-based modelling, please contact Michael Potthoff. For more information about the specific research on bull sharks, please contact Jonas Brandi Mortensen.
- Flood modelling enlighten community in Iowa, United States: In 2008, the state of Iowa in the United States experienced severe flooding, where many property owners and entire communities suffered. Since then, Iowa Flood Center (IFC) has used MIKE FLOOD modelling of the severe 2008 floods for community outreach and education. "The Iowa Flood Center (IFC), a state-funded center comprised of IIHR–Hydroscience & Engineering researchers, has been using MIKE FLOOD to simulate flood discharges in several Iowa communities. The simulations have been used to numerically reconstruct the severe 2008 Iowa floods and to develop libraries of static inundation maps relating river stage and discharge to flood extents and depths in each community. The intent is to provide communities and individuals an impression of how river stages and discharges forecasted at discrete points may affect their properties." Nathan C Young, Associate Director, Iowa Flood Center. Read more here. The maps are available on the IFC website as part of the Iowa Flood Information System (IFIS).
- Focused mitigation of hazardous urban discharges: Comprehensive monitoring and modelling of discharges of hazardous substances in the Copenhagen Harbour district revealed the most important point sources of selected substances and thereby allows for a sensible and target-oriented prioritisation of future mitigation measures. The present study determined whether or not specific point sources (e.g. wastewater treatment plants, industries or combined sewer overflow) release significant emissions of hazardous substances as listed in the Baltic Sea Action Plan. It was carried out within the framework of the EU-funded COHIBA-project (Control of Hazardous Substances in the Baltic Sea Region) as a combination of wastewater measurements, load estimations and modelling of the discharges (hydrodynamic marine fate modelling with MIKE 3 and ECOlab). Read more.
|Hydrodynamic fate modelling of Bisphenol A in Copenhagen Harbour. The animation shows the modelled discharge, spreading and fate of Bisphenol A after heavy rain, which results in combined sewer overflows. Moreover, industrial discharges are modelled. The model takes into account substance specific fate data (biodegradation, photolysis and hydrolysis) as well as adsorption to suspended solids.|
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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.
Useful DHI Links
Available External Data
- EMODnet-Hydrography Portal
- ETOPO1 Global Relief Model (NOAA / NGDC)
- NOAA / NGDC DEM Portal (ArcIMS Map Interface)
- GMRT (Marine Geoscience Data System)
- GEBCO (BODC)
- SRTM (NASA)
- The National Map Seamless Server (USGS)
- Processed SRTM for Academic Use (CGIAR-CSI)
- ASTER (ERSDAC)
- Virtual Terrain Project
- OS OpenData (Ordnance Survey)
- Channel Coastal Observatory
- NCEP / NCAR Reanalysis (Surface Flux Data)
- Jeppesen Professional+ Vector Chart Database