Abstract
The SPARSE project focuses on developing a low-cost, long-term geophysical monitoring system for CO₂ storage, using a sparse node-based approach that integrates seismic, electromagnetic, gravity, and surface deformation data. The system is designed to ensure containment and conformance while reducing reliance on traditional active surveys. Key activities include optimizing node design, automating conformance verification, and testing at the CaMI.FRS site to validate real-world applications. The project is coordinated by SINTEF and involves international research collaborations to advance efficient, scalable CO₂ monitoring solutions.