COASTS: A Digital Twin for Coastal Resilience and Blue Carbon Ecosystems

Coastal zones around the world are vital for our environment, economy, and communities, highlighting the urgent need to use innovative technologies to address significant environmental challenges. Digital twins, a leading technology in environmental modeling and simulation, offer great potential for improving our understanding and management of these crucial areas, especially blue carbon ecosystems, by using advanced hydrodynamic and morphodynamic modeling.Coastal areas, which embody a diverse range of ecosystems such as mangroves, seagrasses, and salt marshes, generally referred to as blue carbon ecosystems, provide a wealth of ecosystem services and support rich biodiversity. These ecosystems are just as important for the environment as they are for the economy, supporting essential industries and providing livelihoods globally. However, climate change and harmful human activities pose serious risks to coastal zones, making it crucial to develop informed management strategies.Blue carbon habitats are vital to carbon sequestration efforts, playing a critical role in climate regulation. Despite this, they face increasing threats from sea-level rise, pollution, overfishing, and habitat destruction, with alarming loss rates observed in mangroves and seagrasses, which results in the release of stored carbon and degradation of key ecosystem services.To address these challenges, the COASTS (Coastal Observation Advances leveraging Space Technology Services) international initiative, proposes an innovative solution, integrating advanced Earth Observation data with state-of-the-art modeling and monitoring techniques. This integrated approach enables the creation of comprehensive digital twins, simulating coastal processes and blue carbon ecosystem dynamics. By leveraging the capabilities of the Copernicus Marine Service, the initiative combines advanced technological resources with actionable environmental insights.The COASTS project aims to develop a digital twin for coastal ecosystem resilience and blue carbon optimization, enabling stakeholders to develop effective management strategies specifically designed for these habitats. This effort will evaluate both the erosion protection abilities of coastal ecosystems and their ecosystem services, such as carbon sequestration ability. Through the integration of high-resolution EO data, the project will map spatial-temporal dynamics within coastal zones, establishing critical baseline information for conservation and restoration efforts.The project's pilot sites in Germany, Jersey, and the Maldives will provide testbeds for the system, facilitating its eventual application and scalability to other regions. The collaboration with stakeholders enriches the project's collaborative foundation, ensuring it meets the needs and acceptance of end users.