Digital hydro-morphological twin for the trilateral Wadden Sea area
The BMDV-mFUND project – TrilaWatt develops an innovative digital geodata and analysis infrastructure for the trilateral Wadden Sea area (Netherlands, Germany and Denmark).
This supports the planning and maintenance of transport infrastructure with harmonized, quality-assured data on geomorphology, sedimentology and hydrodynamics.
Geodata, analysis and documentation methods are linked via Web portals and services to form an assistance system.
About the Project
The Wadden Sea is world’s largest connected intertidal area with important ecological, cultural and recreational functions. The management of this unique area is done by the Netherlands, Germany and Denmark on a national level, but also through trilateral collaboration, since the natural system of the Wadden Sea does not stop at the borders. However, monitoring the quality status of the Wadden Sea, the planning and maintenance of transport infrastructure are done along sectoral and country lines. These approaches led to fragmentation of measures and polices that have made cross-border collaboration in, for example, data sharing and accessibility difficult. There are large amounts of data in the trilateral Wadden Sea region that are not homogenized, distributed or dispersed and difficult to be reached.
Availability of quality assured and consistent database for the Wadden Sea is one of the major current challenges. Reproducing the complex physical processes in Wadden Sea and especially in tidal mudflat regions, such as large-scale sediment transport, depends on availability of an accurate data situation, which unfortunately now is heterogeneous, patchy and not harmonized across borders. It is important for the planning, monitoring and assessment for the southern North Sea to be done on a transnational basis to be able to describe the hydro-morphology accurately and to acquire knowledge about sources, sinks and transport paths of sediment in the Wadden Sea as a system. This enables institutions and coastal managers to derive a sediment budget as well as to assess whether their coastal management strategies are appropriate to withstand the impacts of climate change and sea level rise.
In the Waddensea area, there are numerous competing goals such as economic efficiency, environmental interests, navigability, acceptance, etc. that could be evaluated by a digital planning assistance system based on comprehensive processed data and documented by meaningful metadata. Thus, a trilateral database that is harmonized, consistent and publicly accessible can contribute to optimization potentials of these competing goals. Such a harmonized background is necessary for detailed and comprehensive assessment of the mutual interactions in the conflict between sustainable use of marine waters on the one hand and minimizing or even avoiding harmful climate and environmental impacts on the other hand. The TrilaWatt Project: Digital hydro-morphological Twin of the trilateral Wadden Sea provides such a harmonized digital assistance system.
The TrilaWatt project aims at developing and implementing a powerful spatial data and analysis infrastructure on a homogenized database comprising the Trilateral Wadden Sea area of the Netherlands, Germany, and Denmark.
The main objective of the TrilaWatt project is to support the planning and maintenance of transport infrastructure with harmonized, quality-assured data on geomorphology, sedimentology, and hydrodynamics.
The Geodata, analysis and documentation methods are linked via web portals and services to form an assistance system. This assistance system can facilitate.
- Monitoring the quality status of the Wadden Sea,
- Planning the maintenance of transport infrastructure,
- Support various sectors in the planning phases of their projects that might have an impact on the Wadden sea
The TrilaWatt project is inspired by a previous research EasyGSH-DB. In which areal data of geomorphology, hydrodynamic and extensive analyses were obtained for the first time from long-term numerical simulation (1996-2015) with focus on the German Bight. These data are freely available via Geoportals such as MDI-DE (see mdi-de.baw.de/easygsh/EasyEN), mCLOUD (www.mcloud.de/web/BAW) and GOVDATA (www.govdata.de/web/BAW/hydrodynamik). This data, the analyses and documentation are already being used as part of the EU reporting obligations for the Water Framework Directive (WFD) and the Marine Strategy Framework Directive (MSFD).
This geodata and analysis infrastructure will be established for the entire Trilateral Wadden Sea area as a service-based assistance system for planning and reporting. It will be integrated into the existing web portal and interface of Marine Data and Interface Germany (MDI-DE), which manages quality-assured geodata for geomorphology, sedimentology, and hydrodynamics. It also provides analysis methods and generic documentation components in a wizard-based manner. For a limited number of years, the extended data will be compared with those of EasyGSH-DB, which focuses on the German Bight and in which nothing is changed. Currently under development is the TrilaWatt web portal which will contain the Project details, TrilaWatt cloud, and will provide direct access to database and data products. See an overview of the Trilawatt Data infrastructure.
The WSF is cooperating with the German Federal Waterways Engineering and Research Institute (BAW, Lead partner) and two SMEʼs, i.e. smile Consult GmbH and planGIS GmbH, in order to compile these datasets and develop pilot cases. The project offer is to identify and take up selected cases based on stakeholder involvement on a trilateral level organized by the WSF. For example, these pilot cases could comprise investigations on topics such as accessibility of small Wadden Sea harbours, the development of the geomorphology in the Wadden Sea, which is linked to the OUVʼs, or the minimisation of disturbances of the World Heritage area potentially caused by maintenance work in fairways. Institutions and organisations throughout the WSR announced their support to the consortium such as Danish Coastal Authority (DCA, DK), LLUR (SH), NLWKN (Nds), Rijkswaterstaat (NL) and on the trilateral level the CWSS (with respect to TMAP), which guarantee data availability and the demand on cooperation for jointly working on these topics in the entire Wadden Sea area. Shortly, the WSF’s task in this project is to
- Conduct the trilateral stakeholder analysis
- Conduct and support the data acquisition for sediment, geomorphological and hydrodynamic data
- Identify pilot studies in the trilateral Wadden Sea area
- Support the dissemination of results, findings and insights (links to: TrilaWatt Webpage, TrilaWatt Web Viewer, LinkedIn
The TrilaWatt project has received trilateral support and letter of intent for cooperations from:
- The Rijkswaterstaat - Directorate-General for Public Works and Water Management of the Netherlands
- The Danish Coastal Authority,
- The Common Wadden Sea Secretariat.
The TrilaWatt Project is also supported by various German institutions such as:
- State Office for Coastal Protection, National Park and Marine Protection –Schleswig-Holstein (LKN-SH)
- State Office for Agriculture, Environment and Rural Areas –Schleswig-Holstein (LLUR)
- Lower Saxony State Agency for Water Management, Coastal Defense and Nature Conservation (NLWKN)
- Federal/State working group North and Baltic Sea (BLANO, hydromorphology)
for detailed information please click on images to enlarge
The GIF provided above containing the depth elevation (bathymetry), mean grain size (sedimentology) and a GIF showing both bathymetry and sedimentology simultaneously, respectively.
Each image shows data simulated for each year selected for this simulation animation. Some images may not belong specifically to the year that they represent for visualization purposes only.
The main purpose of showing these short animations is to show the viewer how the seabed changes its elevation distribution and with it, the soil composition, from year to year and how the sedimentation and erosion process are active in such dynamic areas, helping us to understand the importance of obtaining detailed information even in the smallest scales to improve the results of the different intended studies.
Tidal characteristic values (e.g., tidal range) are required in the entire trilateral Wadden Sea for marine spatial planning, coastal and offshore construction, ecological tasks, etc. We can support these tasks with numerical simulation results from the entire trilateral Wadden Sea area. Exemplary results, as shown, are:
- Tidal range
- Peak sea surface elevation
- Mean, peak, and residual flood
- ebb current velocity
- bed shear stress
Tidal characteristics will be computed in the years 2005, 2010, 2015, and 2020 and will be available in common gridded download formats.
Increasingly higher resolutions and good data availability require efficient support for navigation and handling (e.g. difference formation or clipping). This is especially true for complex process chains. In TrilaWatt, this process is to be supported by an interactive, web-based assistance system that can be used to generate any number of user-defined data products
The urgent need for constructing a terminal for Liquefied Natural Gas (LNG) is obvious for reducing / stopping the gas import from Russia to Germany. This includes fundamental data and analyses about water level and velocities direct at and in the surrounding of the construction site.
- In a first step the commissioned consultant ARCADIS used the present data from the web-site of EasyGSH-DB https://mdi-de.baw.de/easygsh/EasyEN_index.html#home.
- For detailed information in the surrounding of the planned construction time series of water level and velocities are extracted out of the EasyGSH-data set by BAW.
- The compilation of the used products is carried out with a GIS system. The planned assistance system of TrilaWatt could be used online and will be more practical for these appli-cations.
- The following analyses are scheduled: Analyses of velocities and water levels are important for the construction level.
Together this gives a feasible location option for the possible / optimal position of a terminal.
In summary, this application shows that the EasyGSH and TrilaWatt data products and analyses provide useful insights into the behavior of the Trilateral Wadden Sea. In particular, the consistent quality assured, and long-term data form a good basis for a wide variety of usage!
Route planning and optimization of cable routes from Off-Shore-Wind-Energy-Parks to the mainland are of major interest for the Offshore Wind Energy-Industry. Planning of new and optimization of actual routes and burial depth must require different objectives concerning morphological stability, location outside of fairways, sedimentological and hydrodynamic circumstances, … - for longer time span. The compilation of the used products is carried out with a GIS system. The planned assistance system of TrilaWatt could be used online for that purpose convenient.
Herein this example the realized analysis are:
- Selecting the lowest and highest bathymetry elevations (for a chosen time period) as ameasure for the morphologic activity as a planar map
- Combining the morphologic activity map with the sediment information for a technical realization (burying depth)
- Analyses of velocities and water levels are important for the construction level
All this gives a feasible location option for the possible optimal cable routes. Moreover, these products and analyses are expedient for the recently planned hydrogen pipeline between Norway (Equinor) and Germany (RWE)!
In summary, this application shows that the TrilaWatt data products and analyses provide useful insights into the behavior of the Trilateral Wadden Sea. In particular, the con-sistent quality assured, and long-term data form a good basis for a wide variety of usage!
in preparation - more information will follow soon ...
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GET ENGAGED !
As a TrilaWatt Team, we plan to create an assistance system that can facilitate, monitoring the quality status of the Wadden Sea, planning the maintenance of transport infrastructure and support various sectors in the planning phases of their projects that might have an impact on the Wadden Sea.
In order to reach our goals:
- we would like to invite all interested parties and stakeholders to support us with accessing geodata on the Trilateral Wadden Sea.,
- share with us initiatives or projects that you are engaged in, so that we can jointly identify areas of cooperation (Pilot Cases) in regard to data made available by the TrilaWatt Project.
Lastly, out take-home message is:
- TrilaWatt data is referenceable and findable free of charge according to the FAIR principles “Findable, Accessible, Interoperable, Re-usable”. We create FAIR bathymetry, surface sediment, and hydrodynamic data for the trilateral Waddensea. This will enable greater sharing of data between the public & private sectors and with the general public.
- The availability of consistent data is imperative to sustainable, efficient decision making. This will unlock the full benefits of data sharing for data-driven innovation and evidence-based decisions.
- The TrilaWatt viewer, https://app.trilawatt.eu/viewer/, where you can visualize the available and already processed data
- Prototyping examples of products the TrilaWatt projects is aiming to deliver, e.g. https://trilawatt.eu/en/data/prototype-products/#
In case of interest or questions, don’t hesitate to get in contact with the WSFs project officer Zakaria Mohamed via e-mail: email@example.com.