Preface: A New Horizon of Sustainable Water Management; Contents; Part I: New Perspectives; Chapter 1: New Perspectives: Reconsideration of IWRM from the Viewpoint of Design Science; 1.1 Introduction; 1.2 Water Crisis and Water Security; 1.2.1 Aspects of the Contemporary Water Issues; 1.2.2 Public Awareness of the Water Crisis; 1.2.3 Water Environmental Security; 1.2.4 Water Security for Disaster; 1.3 Possibility of the Resurrection of IWRM; 1.3.1 Background of IWRM; 1.3.2 The Definition of IWRM; 1.3.3 The Limits of the IWRM; 1.4 Development of IWRM Toward a Sustainable Society

1.4.1 Construction of a Sustainable Society1.4.2 Origin of the Sustainable Society; 1.4.3 Objectives of a Sustainable Society; 1.4.4 Local and Global Sustainability; 1.4.5 Water Sustainability; 1.5 Evaluation of Water Resources Development Projects; 1.5.1 Objective of the Water Resources Development Projects; 1.5.2 Sustainability Evaluation of the Water Resources Development Project; 1.6 New Perspectives of IWRM; 1.6.1 New Trends of IWRM; 1.6.2 Sustainable Development Goals and Water; 1.6.3 New Paradigm of IWRM; 1.7 Conclusion: Possibility of Policy Science as Design Science; References

Part II: Design: Designing Water Resources Management with Collaborative Activities of MultistakeholdersChapter 2: Participatory Approaches to Environmental Management: Future Design for Water Resources Management; 2.1 Introduction; 2.2 Integration and the Supporting Stationarity Principle; 2.3 Deadlock on the Integration Principle: The Case of the Discontinued Niu Dam Plan in Japan; 2.4 Conclusion; References; Chapter 3: Environmental Assessment in Collaboration with Local Residents; 3.1 Introduction; 3.2 Conceptual Approaches; 3.3 Description of the Saba Watershed

3.3.1 Geography and Population3.3.2 Land Use and Soil Types; 3.3.3 Rivers and Irrigation; 3.3.4 Subak and Paddy Fields; 3.4 Climate Conditions in Watershed Scale; 3.5 Climate Conditions in the Field Scale; 3.6 Water Balance in the Field Scale; 3.7 Drought Pattern; 3.8 Irrigation Water Requirement; 3.9 Conclusion; References; Chapter 4: Local-Level Water Conservation Assessment in the Upstream Watershed Based on Land-Use Scenarios; 4.1 Introduction; 4.2 Targeted Region and Experimental Details; 4.2.1 The Saba River Watershed and the Upstream Sub-watersheds

4.2.2 Meteorological and Hydrological Measurements4.3 Hydrological Traits in the Two Sub-watersheds in the Upstream Saba River Watershed; 4.3.1 Water Balance in the Two Upstream Sub-watersheds; 4.3.2 Comparison of Intake Rates Between Land Uses: Coffee Plantation, Clove Plantation, and Natural Forest; 4.4 Application of a Distributed Model for Estimating Discharge in the Titab Sub-watershed; 4.4.1 Basic Concept of the ICHARM/PWRI Distributed Hydrological Model; 4.4.2 Spatial Data Preparation; 4.4.3 Parameter for the Model in the Titab Sub-watershed