Modeling and Managing Shallow Lake Eutrophication

1. Front Matter

   Pages I-X

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2. Problem, Methodology, and Management

   1. Front Matter

      Pages 1-1

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   2. Background to the Lake Balaton Eutrophication Problem

      • L. Somlyódy, G. van Straten

      Pages 3-18

   3. The Approach

      • G. van Straten, L. Somlyódy

      Pages 19-34

   4. Lake Eutrophication Models

      • G. van Straten

      Pages 35-68

   5. Eutrophication Management Models

      • L. Somlyódy

      Pages 69-109

   6. Impact on Policymaking: Background to a Government Decision

      • I. Láng

      Pages 110-121

3. Description of Processes and Subsystems

   1. Front Matter

      Pages 123-123

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   2. Nutrient Loads

      • L. Somlyódy, G. Jolánkai

      Pages 125-155

   3. Sediment and Its Interaction with Water

      • L. Lijklema, P. Gelencsér, F. Szilágyi, L. Somlyódy

      Pages 156-182

   4. Phytoplankton Changes During Eutrophication and P and N Metabolism

      • S. Herodek

      Pages 183-203

   5. Wind-Induced Water Motion

      • P. Shanahan, D. R. F. Harleman, L. Somlyódy

      Pages 204-255

   6. Lake Eutrophication Model: A Coupled Hydrophysical-Ecological Model

      • P. Shanahan, D. R. F. Harleman

      Pages 256-284

4. Selected Topics

   1. Front Matter

      Pages 285-285

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   2. Hypothesis Testing and Parameter Uncertainty Analysis in Simple Phytoplankton-P Models

      • G. van Straten

      Pages 287-308

   3. A Complex Model for Simulating the Lake Balaton Ecosystem

      • T. Kutas, S. Herodek

      Pages 309-322

   4. A Comparison of Water Quality Models and Load Reduction Predictions

      • R. A. Luettich Jr., D. R. F. Harleman

      Pages 323-340

   5. Role of the Zala River in the Eutrophication of Lake Balaton

      • O. Joó

      Pages 341-365

   6. The Influence of Watershed Development on the Long-Term Eutrophication of Lake Balaton

      • L. Dávid, L. Telegdi

      Pages 366-377

5. Back Matter

   Pages 379-386

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In the late 1970s. the adverse effects of man-made eutrophication became manifest in many countries. which explains. perhaps. why there was such a broad interest when the former Resources and Environment Area of the International Institute for Applied Systems Analysis (IIASA) organized a workshop on the subject. There was such an enthusiasm among the partici­ pants that two further workshops were quickly organized. one on deep and the other on shallow lake eutrophication problems. The organization of these meetings was extremely stimulating. and the round table discussions among scientists from both West and East remain thought provoking for those who took part. The general feeling emerged that the complexity and multifaceted nature of the problem, even though perhaps not fully recognized at that time. clearly demanded a systems analysis approach. No wonder. then. that the request made by the Hungarian Member Organization of nASA to adopt Lake Balaton as a "real life laboratory" for an nASA case study fell on fertile ground. the more so since it appeared that shallow lake eutrophication had received less attention and was less well understood than that of deep lakes. And so the nASA Lake Balaton Case Study began. with the appointment of Gerrit van Straten as the first leader of the project.

• complexity
• ecosystem
• environment
• iron
• metabolism
• modeling
• nature
• organization
• systems analysis
• uncertainty
• water
• water quality and water pollution

• Research Centre for Water Resource Development, VITUKI, Budapest, Hungary

  L. Somlyódy

• Twente University of Technology, Enschede, The Netherlands

  G. Straten

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