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IntroductionThe work with the thesis is divided into three distinct phases; The thesis starts with anevaluation of the current status of the Norwegian management system. Weaknesses,compared to the holistic model are identified and subsequent research needs are outlined(paper 1, research question 1). In the second part of the work, research is conducted tofurther analyze specific topics as a foundation for proposing integrative models (paper 2and 3, research question 2 and 3). In the final part of the work, improvements in theform of multicriteria decision models for contaminated sediment management areproposed (paper 4 and 5, research question 4).1.4 Thesis StructureThe thesis is structured to present the conducted work in a logical and informative way.Theory is integrated within the thesis to give background for the discussion andevaluation of research results. Each chapter in the results section starts by outlining thetheoretical foundations, continues with an explanation of the results from thecorresponding papers and ends with a conclusion on how the papers have responded tothe connected research question.In all, the thesis consists of the following five sections:• This introductory section (Chapter 1) gives a context for the work, poses theresearch questions and outlines the outcome of the thesis by briefly describingthe content of the research papers and how they are linked internally and to theresearch questions.• The methodology section (Chapter 2) introduces different methodologicalapproaches used in this research and explains the research design andsubsequent research methods used in the work.• The results section (Chapter 3 to 6) is organized in chapters according to thedifferent work phases explained in Figure 2; Chapter 3 relates to evaluation ofthe current status described in paper 1. Chapter 4 and 5 relate to the analysis ofsocial and environmental issues described in paper 2 and 3. Chapter 6 relates toimprovements of models described in paper 4 and 5.• In the discussion and conclusion section (Chapter 7) the work is discussed inrelation to the proposed research questions and selected research methodology.Major findings are summarized and discussed in relation to applicability incontaminated sediment management and need for future research is proposed.• Key references are listed in the reference section (Chapter 8).The papers are attached as Appendix A.13