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Land subsidence, as a global geohazard, not only reduces the flood-control capacity in urban areas, but also brings security risk and damage to buildings and a whole range of infrastructure including roads, bridges, rail transits, flood control walls and underground lines. The impact of land subsidence is particularly obvious in coastal cities and in close proximity to shorelines, such as in Shanghai and Jakarta, because of their low elevation. It is important and urgent to carry out measures for the prevention and control of land subsidence.

IGCP project 663 seeks to facilitate scientific cooperation between institutions and researchers to develop a better understanding of land subsidence at an international level, especially in the Least Developed Countries of Asia, Africa and Latin America. The project plans to research the impact of human activities on sea-level rise, hydro-mechanisms and monitoring methods of land subsidence in coastal cities.

The project results will be transferred to sites in other developing countries, and recommendations will be offered, to play an effective role in the planning, construction, management and security assurance for different coastal cities.

The co-leaders are from China, Egypt, Indonesia, Italy and the Kingdom of the Netherlands.