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Stay informed of all the latest Deltares developments in the field of water and subsurface.
Flood risk ten times higher in many places over the world within 30 years
After the North Sea Flood of 1953, it took nearly 45 years to finalise the Delta Works. If we want to protect the Netherlands against sea-level rise, we shouldn’t wait too long. But how much time do we have left? Researchers from Utrecht University, Deltares, and NIOZ, among others, devised a new method to calculate when we can expect a certain increase in flood probability in a specific area. The calculations show that within thirty years, the estimated probability of flooding will be ten times higher in more than a quarter of the places studied. The researchers publish their results today in Nature Climate Change.
IPCC: measures are available for necessary and urgent climate action
The Synthesis Report of the Intergovernmental Panel on Climate Change (IPCC) was presented today. The report marks the end of the sixth assessment cycle and integrates the special reports (such as SROCC) and the reports of Working Group 1 on climate change, Working Group 2 on climate impacts and adaptation, and Working Group 3 on climate mitigation.-
New flagship report for the High-level Experts and Leaders Panel on Water and Disasters (HELP)
Deltares has published a new flagship report for the High-level Experts and Leaders Panel on Water and Disasters (HELP), entitled: Addressing Water-Related Disasters in an Era of Multiple Crises: Lessons from Global Responses to COVID and Climate Change. 
New edition of Deltalife: How water affects the future
A new edition of our online magazine Deltalife just came out. It is incredible that billions of people around the world have lacked access to clean and safe drinking water or sanitation for so long. At the UN conference in New York next week, this will be addressed. We interviewed Nathalie Olijslager, the Program Director on behalf of the Dutch government, about this.-
Deltares at the UN 2023 Water Conference and New York Water Week: Connecting policy and science
This week, leaders, and decision-makers from around the world will gather in New York for the UN 2023 Water Conference and the New York Water Week. This moment is a catalyst for action, so we can ensure for water security for all. Deltares will be present throughout the week, sharing our expertise, bringing together key stakeholders, and connecting policy and science. -
Floods in Southeast Asia better captured with satellite data over the past 8 years
Home to over 250 million people, Southeast Asia is one of the most dynamic regions in the world. With growing economies, diverse landscapes and vibrant communities, Southeast Asia contributes to its region’s food security as well as a quarter of the world’s rice exports. The 3,000 kilometre long Mekong River flows through different countries of Southeast Asia, being the third longest river of Asia. The river is not just a source of life and income for the local population, but also to the world through the abundance of fresh water, fish and gigantic rice production taking place within its basin. 
Δ-Enigma funded by the Dutch Research Council
Today the Dutch Research Council (NWO) announced that Δ-Enigma is one of the nine projects funded from the National Roadmap for Large-Scale Research Infrastructure budget. Δ-Enigma receives 16 million Euro and encompasses integrated infrastructure for observation, experimentation and modeling of river deltas by the DANUBIUS-NL consortium.
Dutch organisations combine knowledge about controlling salinisation in deltas
Due to climate change, sea level rise and subsidence, the salinisation of the inland dike lands along the Dutch coast, but also in other deltas, is gradually increasing. This is due to an increase in the concentration of salt in the water system. As a result, the available amount of freshwater decreases. Salinisation also makes ground and surface water less suitable to use. Salinisation leads to damage to agricultural crops and threatens food production.
IBM and Deltares refresh the Deltares Aquality App (former Nitrate App)
In 2022, IBM selected Deltares for their Sustainability Accelerator, a corporate social responsibility program in which IBM works on worldwide sustainability. In this program, we are now working together on a major update of the award-winning Nitrate App. The focus is on optimizing the user experience to get more users to start and continue measuring water quality.
Dirk-Jan Walstra appointed to Board of Directors
Dirk-Jan Walstra has been appointed to the Deltares Board of Directors in succession to Erik Janse and Ron Thiemann. He will take up his appointment from 1 February 2023. Erik Janse will retire in March. Ron Thiemann, who - just as Erik - has been a director at Deltares since its inception, will retire in June. Following Ron Thiemann's departure, the Deltares Board of Directors will consist of two members: Dirk-Jan Walstra and Annemieke Nijhof.
Will urban water be ready for multiple uses by 2040?
A new instrument has been developed to provide an answer to this question. On 17 January, Suzanne van der Meulen will receive her doctorate at Wageningen University for her thesis ‘Functional quality of urban surface water’. This thesis describes a new framework for the assessment of the functional quality of urban surface water.
Global water data now easily accessible on the BlueEarth Data platform
Water-related hazards – like flooding, drought, pollution and other related issues – are a serious global risk, causing loss of life and damage to property, livelihoods, human health and economies. Economic growth, urbanisation and climate change will exacerbate the risks at many locations in the world. For example, flood risks are often underestimated and poorly managed due to the lack of data, particularly in less-developed regions. In addition, preparing for future coastal erosion and flooding requires data on several hazards, examples being erosion, waves, and extreme events. Until now, these datasets have not been readily available in a single environment.
