

SummaryThe purpose of this Etextbook: The geology investigates of the Earth as a dynamic system. Any object on the Earth in any time interval is part of this whole dynamic system. The overwhelming majority of interactions in nature geological processes are nonlinear  response is not proportional to the input. The analysis of behavior of systems with nonlinear interplay during time is a subject of this Etextbook. The Etextbook represents the introducing to concepts and methods used at analysis of dynamic systems. The linear and nonlinear systems are reviewed, and the examples of dynamic systems in geology are considered. An intimate relationship between nonlinear systems and fractals is demonstrated. Some numerical methods of a solution of the differential equations and least squares method are presented in "Appendix". The Etextbook is hypertext and is realized in a WinHelp format. The major concepts and terms are explained in the dictionary. To study behavior of dynamic systems the author's demonstration programs are include. They allow, not going out from the Etextbook, to investigate influence of controlling parameters and/or initial conditions on model dynamic. All demonstration programs provide for operating instructions. The list of the advisable literature includes 54 names, the 21 Internet links are added. The Etextbook is intended to the students and postgraduate students of geologic specialities. The students should know basic mathematician and physics courses. Key words: geological processes, dynamic system, nonlinear processes, chaotic dynamics, deterministic chaos, fractals. ContentsIntroduction Chapter 1. Linear dynamic systems 1.1 Definition of a dynamic system Chapter 2. Examples of nonlinear dynamic systems 2.1 Nonlinear system with a limit cycle Chapter 3. Dynamic models of a "predator  victim" type (LotkaVolterra system) 3.1 Formulation of a problem and the main equations Chapter 4. Models of geologic systems with dry friction 4.1 Blockspring system with dry friction Chapter 5. Dynamic systems and fractal geometry 5.1 Fractal objects Chapter 6. Fractals and geology 6.1 Fractal properties of coast line Appendix A.1 Methods of a solution of the differential equations Conclusion For more information concerning the Etextbook "Dynamic processes in geology:
Introduction to nonlinear systems" refer to the authors. 

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