Modeling the Environment, Second Edition / Edition 2

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Modeling the Environment was the first textbook in an emerging field—the modeling techniques that allow managers and researchers to see in advance the consequences of actions and policies in environmental management. This new edition brings the book thoroughly up to date and reaffirms its status as the leading introductory text on the subject.
System dynamics is one of the most widely known and widely used methods of modeling. The fundamental principles of this approach are demonstrated here with a wide range of examples, including geo-hydrology, population biology, epidemiology and economics. The applications demonstrate the transferability of the systems approach across disciplines, across spatial scales, and across time scales. All of the models are implemented with stock and flow software programs such as Stella and Vensim. These programs are easy and fun to learn, and they allow students to develop realistic models within the first few weeks of a college course.
System dynamics has emerged as the most common approach in collaborative projects to address environmental problems. The stock and flow structures and the emphasis on feedback control provide a common language that is understood by scientists from many disciplines. Although the interdisciplinary approach described here is widely used in practice, there are few books to aid instruction. Modeling the Environment meets the urgent need for instructional materials in interdisciplinary modeling of environmental systems.
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Product Details

  • ISBN-13: 9781597264723
  • Publisher: Island Press
  • Publication date: 11/11/2009
  • Edition description: 2
  • Edition number: 2
  • Pages: 488
  • Sales rank: 821,937
  • Product dimensions: 7.20 (w) x 10.00 (h) x 1.00 (d)

Meet the Author

Andrew Ford is professor of environmental science at Washington State University, where he teaches system dynamics modeling. He has developed a wide range of models dealing with energy and environmental policy. His simulation of uncertainty in dynamic models was honored with the Jay Wright Forrester Award as an outstanding contribution to the field of system dynamics.

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Table of Contents

Preface xi

Acknowledgments xvii

Part I Introductory Modeling

Chapter 1 Introduction 3

Chapter 2 Software: Getting Started with Stella and Vensim 17

Chapter 3 Stocks and Flows: The Building Blocks of System Dynamics Models 31

Chapter 4 Accumulating the Flows 39

Chapter 5 Water Flows in the Mono Basin 47

Chapter 6 Equilibrium Diagrams 65

Chapter 7 S-Shaped Growth 77

Chapter 8 Epidemic Dynamics 87

Chapter 9 Information Feedback and Causal Loop Diagrams 99

Chapter 10 Homeostasis 117

Chapter 11 Temperature Control on Daisyworld 125

Chapter 12 Hitting the Bull's-Eye 139

Part II Intermediate Modeling

Chapter 13 The Modeling Process 149

Chapter 14 Software: Further Progress with Stella and Vensim 169

Chapter 15 The Salmon of the Pacific Northwest 189

Chapter 16 Managing a Feedback Program for Cleaner Vehicles 209

Chapter 17 Modeling Pitfalls 223

Chapter 18 Introduction to Cyclical Behavior 235

Chapter 19 Cycles in Real Estate Construction 245

Chapter 20 Cycles in Predator and Prey Populations 255

Chapter 21 The Overshoot of the Kaibab Deer Population 267

Chapter 22 DDT in the Ocean 289

Chapter 23 CO2 in the Atmosphere 295

Chapter 24 Concluding Perspective 305

Appendixes Review and Advanced Methods

Appendix A Review of Units 317

Appendix B Review of Exponential Growth 323

Appendix C Software Choices and Individual-Based Models 329

Appendix D Sensitivity Analysis and Uncertainty 341

Appendix E Incorporating Other Methods in a System Dynamics Model 349

Appendix F Short-Run and Long-Run Dynamics in a Single Model 353

Appendix G Spatial Dynamics and Spatial Displays 359

References 367

Index 375

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