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The Critical Zone

The critical zone is the area within which the Earth’s water circulates, encompassing aquifers up to the lower atmosphere. Knowledge of it is critical to improving people's livelihoods, especially access to resources, natural hazards management and preservation of the environment.

Conference objectives

Global changes are taking place on our planet. They concern the critical zone of the earth system, and occur at different scales. Their impacts on the energy and water cycles are already detectable, but how will these changes persist in the future and at which rate?

In situ and remote sensing observation networks are crucial to documenting, predicting and anticipating the impacts of these global changes on people's livelihoods.

As a result, they are also major tools for responding to the challenges of adaptation in the face of socio-economic, environmental and climatic changes.

What are the different observation systems in West Africa?
How are they used to understand and predict changes in environmental processes and major climate cycles as part of global changes?
What are their links with the implementation of national and regional development policies and international conventions and agendas?

These are the main questions that will be addressed at this international symposium, organized on the occasion of the 30th anniversary of the AMMA-CATCH observatory. It aims to bring together the actors of in situ and remote sensing observation and development operators disseminate recent results of research in this area, while emphasizing their necessary link with development policies in West Africa.

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