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MSEC / MultiScale Environmental Changes

Vietnam - Dong Cao catchment

North Vietnam, Hanoi province, 3 fitted sub-catchments (total 49ha), on schist soils, slope gradient 20-60%, rain amount around 1600 mm pear year.

Land use changes: switch from cassava and maize to Acacia mangium plantation + feeding stuffs then village encroachment.

Hydro-meteorological and soil losses surveys from 2002

Flume with water level recorder and automatic sediment sampler of Dong Cao catchment (photo : C. Valentin)

Flume with water level recorder and automatic sediment sampler of Dong Cao catchment (photo : C. Valentin)

Rain and water level surveys of Cau Khau reservoir from 2001

Water level recorder and automatic rain gauge in Cau Khau reservoir

Water level recorder and automatic rain gauge in Cau Khau reservoir (photo : J.-L. Janeau)