TY - JOUR A1 - Krol, Marten S. A1 - Jaeger, Annekathrin A1 - Bronstert, Axel A1 - Krywkow, J. T1 - The Semi-arid Integrated Model (SIM), a regional integrated model assessing water availability, vulnerability of ecosystems and society in NE-Brazil Y1 - 2001 ER -