Soil and Water Management Strategies for Tidal Lowlands in Indonesia

Acknowledgement -- Summary -- 1. Introduction -- 1.1 General -- 1.2 Objectives of the study -- 1.3 Structure of the thesis -- 2. Framework -- 2.1 Lowland development in some South East Asia countries -- 2.2 Characteristics of the lowland areas in South East Asia -- 2.3 Lowland development in Indonesia -- 2.3.1 General -- 2.3.2 Strategy of the Indonesian Government -- 2.3.3 Potentials and constraints -- 2.4 Important issues of lowland development in the South East Asia region -- 3. Reclamation and water management of tidal lowlands in Indonesia -- 3.1 River zonation -- 3.2 Hydro-topographical categories -- 3.3 Drainability classification -- 3.4 Salinity intrusion -- 3.5 Soil types -- 3.6 Water management requirements -- 3.7 Land subsidence -- 3.8 Land suitability and water management zoning -- 3.9 Types of reclamation schemes -- 3.10 Reclamation of problem soils -- 3.11 Water management systems -- 3.12 Impact of sea level rise or land subsidence on flood protection and water management in lowland areas -- 4. Model development -- 4.1 General -- 4.2 Model for the field level -- 4.2.1 A mathematical model as an appropriate simplification of reality -- 4.2.2 Soil system modelling -- 4.3 Model for the system level -- 4.3.1 Water management components -- 4.3.2 Open water flow modelling -- 4.3.3 Water management systems -- 4.3.4 Land use and land subsidence -- 4.3.5 Effect of drainage and leaching on the potential yield -- 4.4 Model for the delta level -- 4.4.1 Water level changes -- 4.4.2 Salinity intrusion in an estuary -- 5. Geographical information system for land and water development in lowland areas -- 5.1 General -- 5.2 Main features of a GIS -- 5.3 Data structures and integrated analysis functions in a GIS -- 5.4 Land suitability and water management zoning with a GIS and a GAS -- 6. Application of the methodology and models -- 6.1 Introduction -- 6.2 Case 1: Hypothetical case -- 6.2.1 General -- 6.2.2 Objectives -- 6.2.3 Modelling and analysis -- 6.2.4 Discussion -- 6.3 Case 2: Telang Saleh case study -- 6.3.1 General -- 6.3.2 Domain of the study area -- 6.3.3 Soil and water management elements -- 6.3.4 Potentials and constraints of the area for agricultural development -- 6.3.5 Present water management systems and farm layout -- 6.3.6 Problem definition -- 6.3.7 Leaching and flushing trials and monitoring -- 6.3.8 Modelling and analysis -- 6.3.9 Discussion -- 7. Evaluation -- 7.1 General -- 7.2 Evaluation related to field, system and delta level -- References -- List of symbols -- Appendixes -- 1. Summarized information of the computational framework -- 2. Summarized information about the SMASS package -- 3. Summarized information about the SATUR program -- 4. Summarized information about the DUFLOW package (version 2.03) -- 5. Summarized information and error propagation in the IDRISI package -- 6. Limiting factors for land suitability -- Samenvatting -- Curriculum vitae.