Different DOIs describe (i) the observatory and its sites, (ii) the data

Observatory and sites
AMMA-CATCH observatory	"AMMA-CATCH : a hydrological, meteorological and ecological observatory on West Africa" doi :10.17178/AMMA-CATCH.all
Mali Mesosite	"Gourma mesoscale site (30 000 km2) in the Sahelian pastoral zone, Mali" doi :10.17178/AMMA-CATCH.mali
Niger Mesosite	"Niamey square degree mesoscale site (16 000 km2) in the cultivated Sahelian zone, Niger" doi :10.17178/AMMA-CATCH.niger
Benin Mesosite	"Upper Oueme mesoscale site (14 000 km2) in the sudanian climate zone, Benin" doi :10.17178/AMMA-CATCH.benin
Senegal complementary sites	"Ferlo and Niakhar complementary sites in the Sahelian pastoral zone, Senegal" doi :10.17178/AMMA-CATCH.senegal

Data
Datasets	sorted by country (Mali, Senegal, Niger, Benin)
Datasets	sorted by type of measurement (rainfall, meteo, ground water, surface water, chemical composition of water, soils, flux, vegetation)