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Environment Group Research Report 2005/02
JBA Consultants

ISBN 0 7559 2565 3

This document is also available in pdf format (1.1mb)

CONTENTS

ABBREVIATIONS
EXECUTIVE SUMMARY
1 INTRODUCTION
1.1 Introduction
1.2 Background
1.3 Objective
1.4 Report Structure
1.5 Study Approach
2 IMPACTS OF FLOODING IN AUGUST 2004
2.1 Formal reporting
2.2 Press coverage
2.3 SEPA
2.4 Scottish Water
2.5 Fire Service
2.6 Observational
2.7 Insurers
2.8 RECAP Flooding Forum November Tayside
2.9 Agricultural impacts
2.10 Chronology of British Flood Events
3 FLOOD CHARACTERISATION
3.1 Introduction
3.2 Hydrological summary
3.3 Flow Analysis
3.4 Rainfall Analysis
3.5 Tay
3.6 Teith
4 ECONOMIC ASSESSMENT
4.1 Background
4.2 Developing an Approach to Estimate the Economic Costs of Flooding in August 2004
4.3 Damage Estimates for Flooding in Scotland in August 2004
4.4 Summary of the Estimated Costs of Flooding in Scotland in August 2004 and Key Issues
4.5 Other (Non-Monetised) Impacts of Flooding in Scotland in August 2004
5 ENVIRONMENTAL STANDARDS
5.1 Introduction
5.2 EC Bathing Water Directive (76/160/ EEC)
5.3 Discharges to water
6 FINDINGS AND CONCLUSIONS
6.1 Reporting flood warnings
6.2 Flood reports
6.3 Flood severity
6.4 Economic costs
6.5 Environmental costs
6.6 Recommendation for further study
6.7 Coordination of event analysis
APPENDICES:
APPENDIX A: - FLOOD SEARCH
APPENDIX B: - DATA ANALYSIS
APPENDIX C: - CASE STUDY
APPENDIX D: - ECONOMIC ANALYSIS
APPENDIX E: - FLOOD EVENT PROFORMA
LIST OF FIGURES
Figure 2-1: Instances of Flooding Scotland August 2004
Figure 2-2: Pasture showing flattened grass and sediment deposition
Figure 3-1: Scoping Study Target Catchments
Figure 3-2: Bridge of Alford Daily Mean Flows
Figure 3-3: Bridge of Alford Event Analysis
Figure 3-4: Parkhill Daily Mean Flows
Figure 3-5: Parkhill Event Analysis
Figure 3-6: Lyne Water Daily Mean Flows
Figure 3-7: Lyne Water Event Analysis
Figure 3-8: Norham Daily Mean Flows
Figure 3-9: Norham Event Analysis
Figure 3-10: Bridge of Alford N Day Annual Maxima
Figure 3-11: Parkhill N Day Annual Maxima
Figure 3-12: Lyne Station N Day Annual Maxima
Figure 3-13: Norham N Day Annual Maxima
LIST OF TABLES
Table 2-1: Glen Ogle landslip after repairs pictured in early September 2004
Table 2-2 : Location of flooding in Menstrie
Table 3-1: Rainfall data for Scotland
Table 3-2: Flow Data Requested
Table 3-3: Rainfall Data Requested
Table 3-4: Flow Duration - 97% Percentile
Table 3-5: Highest Monthly Instantaneous Flows the River Don
Table 3-6: Peak Instantaneous Flows recorded August 2004
Table 3-7: N- Day Annual Maxima Indicative Return Periods
Table 3-8: N Day Indicative Rainfall Return Periods
Table 3-9: Inveruglas Rainfall August 2004 and Indicative Return Periods
Table 4-1: Appraisal summary table for assessment of damages from flooding and erosion
Table 4-2: Information used to estimate the economic costs
Table 4-3: Summary of cost estimates
Table 4-4: Appraisal Summary Table for Assessment of Damages from Flooding and Erosion
Table 5-1 Microbiological quality standards for Bathing waters
Table 6-1: Data Sources

Contact

Further copies of this report are available:

On the Scottish Executive website at:
www.scotland.gov.uk/publications
By post from:

Telephone: 0131-244-0214
E-mail: engineering@scotland.gsi.gov.uk

The views expressed in this report are those of the researchers and do not necessarily reflect those of the Scottish Executive Environment and Rural Affairs Department or Scottish Ministers

DISCLAIMER

This document has been prepared solely as a scoping study for Scottish Executive. JBA Consulting accepts no responsibility or liability for any use that is made of this document other than by the Client for the purposes for which it was originally commissioned and prepared.

ACKNOWLEDGMENTS

JBA would like to acknowledge the assistance of David Wilson and Alistair Dyer at Scottish Water and Tim Jolley and Alistair Cargill of SEPA for providing information. JBA would also like to thank Stuart Cullen at Clackmannanshire Council for permitting the use of flooding information as a case study at Menstrie.

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