What does ECHIVAL stand for?

European Climate and Hydrological Project on Interactions between Vegetation, Atmosphere and Land (SAUS)

European International Project on Climate and Hydrological Interactions between Vegetation, Atmosphere and Land surfaces (SAUS)

European International Project on Climate and Hydrological Interactions between Vegetation, the Atmosphere and the Land-Surface (SAUS)

European International Project on Climatic and Hydrological Interactions between Vegetation, Atmosphere and Land Surface (SAUS)