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Agricultural nonpoint source pollution : model selection and application : contributions to a workshop held in June 1984 in Venice, Italy /
This volume contains most of the scientific contributions to the workshop ``Prediction of Agricultural Nonpoint Source Pollution: Model Selection and Application'' held in Venice, in the historic Ca' Vendramin Calergi, in June, 1984. Other contributions of specialists who were not abl...
| Clasificación: | Libro Electrónico |
|---|---|
| Autores Corporativos: | , |
| Otros Autores: | , |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Amsterdam ; New York :
Elsevier,
1986.
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| Colección: | Developments in environmental modelling ;
10. |
| Temas: | |
| Acceso en línea: | Texto completo Texto completo |
Tabla de Contenidos:
- Front Cover; Agricultural Nonpoint Source Pollution: Model Selection and Application; Copyright Page; Table of Contents; PREFACE; CHAPTER 1. A REVIEW OF HYDROLOGIC AND WATER QUALITY MODELS USED FOR SIMULATION OF AGRICULTURAL POLLUTION; ABSTRACT; INTRODUCTION AND HISTORICAL PERSPECTIVE; TYPES OF MODELS; STRUCTURE OF MODELS; NONPOINT POLLUTION MODELS IN CURRENT USE; PROBLEM AREAS AND RESEARCH NEEDS; APPLICATION OF HYDROLOGICAL MODELS; ACKNOWLEDGMENT; REFERENCES; CHAPTER 2. DEVELOPMENTS IN ECOLOGICAL MODELLING; Abstract; 1. Introduction; 2. The Development 1969
- 1984; 3. What have we learned?
- 4 . Next Generation of Ecological Models5. Conclusions; REFERENCES; CHAPTER 3. RAINFALL ABSTRACTION AND INFILTRATION IN NONPOINT SOURCE POLLUTION; INTRODUCTION; INTERCEPTION AND DEPRESSION STORAGE; PHYSICAL PROPERTIES OF SOILS; MOISTURE DYNAMICS; ANALYTICAL SOLUTIONS OF THE INFILTRATION EQUATION; SIMPLIFIED INFILTRATION MODELS; SOLUTE TRANSPORT; CONCLUSIONS; REFERENCES; CHAPTER 4. LATERAL MOVEMENTS OF VADOSE WATER IN LAYERED SOILS; Abstract; Introduction; Pertinent Literature Review; Problem Formulation; The Absorption Simulation Case.
- Subsurface Lateral Flow in the Case of Absorption SimulationConclusIons; Annotated References; CHAPTER 5. EROSION AND SEDIMENT TRANSPORT PROCESSES FOR AGRICULTURAL WATERSHEDS; INTRODUCTION; BASIC CONCEPTS; SEDIMENT SOURCES; DETACHMENT PROCESSES; SEDIMENT TRANSPORT CAPACITY; REFERENCES; CHAPTER 6. SIMULATION OF SEDIMENT YIELD FROM ALPINE WATERSHEDS; INTRODUCTION; CONCLUSIONS; ACKNOWLEDGEMENTS; References; CHAPTER 7. A SIMPLE MODEL FOR ASSESSING ANNUAL SOIL EROSION ON HILLSLOPES; ABSTRACT; INTRODUCTION; DESIGN STRATEGY; MODEL STRUCTURE; SENSITIVITY ANALYSIS; VALIDATION; CONCLUSIONS.
- Acknowledgementsreferences; chapter 8. some aspects of soil erosion modelling; abstract; introduction; erosion studies in italy; conclusion; references; chapter 9. the application of an agricultural water balance and erosion model in environmental science a user perspective; introduction; environmental issues concerning low-level raioactive waste disposal; a water balance approach for slb; simulating water balance; application of creams to slb; advantages/disadvantages of creams; research t o extend creams to arid sites; summary and conclusions; references.
- Chapter 10. validity and limitations of different transport models with particular reference to sediment transportabstract; 1. introduction; 2. simplification procedures in modeling transport phenomena; 3. what does averaging imply?; 4. surface flow models with constant density; 5. transport models of a neutrally buoyant tracer; 6. groundwater flow and groundwater tracer transport models; 7. transport models with variable density; 8. models of sediment transport. an example of subsequent averaging in space and time; 9. conclusions; 10. references.