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The Minch Project

Coastal Erosion
In the Western Isles

A Report Prepared for the Minch Project

Prepared for the Web by Gavin Earons, IT Unit, Comhairle nan Eilean Siar

CONTENTS

CONTENTS 1

Executive Summary 4

Introduction 6

Physical character of the Western Isles 6

    Physical Character 6

    Winds, Waves And Tides 7

    Beaches 9

Coastal Cells And Coastal Management Units. 9

    Cell 1 Barra Head to Butt of Lewis (NL 557794 to NB 520665) 10

    Sub-cell 1a Stornoway Harbour to Tiumpan Head (NB 423320 to NB 573379) 10

1. Gob na Creige to Gob Shilldinish (Braigh na h-Aoidh) 10

    Sub-cell 1b Broad Bay - Tiumpan Head to Tolsta Head (NB 573379 to NB 565468) 10

2. Port nan Giuran 11

3. Aiginis to Melbost Point (Branahuie) 11

4. Melbost Point to Aird Thunga 12

5. Traigh Chuil 12

6. Traigh Rebac and Traigh Ghriais 12

7. Giordale Sands 13

    Sub-cell 1c Tolsta Head to Butt of Lewis (NB 565468 to NB 520666) 13

8. Traigh Mhor and Traigh Geiraha 13

9. Port of Ness 14

    Cell 2 Butt of Lewis to Barra Head (NB 520665 to NB 192453) 14

    Sub-cell 2a Butt of Lewis to Tiumpan (NB 520666 to NB192453) 14

10. Traigh Sands to Dell Sands 14

11. Borve to Shader 15

12. Barvas and Loch Ereray 15

13. Arnol to Shawbost 16

14. Dalbeg and Dalmore bays 16

    Sub-cell 2b Tiumpan to Hushinish Point (NB 192454 to NA 978114) 17

15. Valtos and Traigh na Berie 17

16. Traigh na Clibhe 18

17. Uig Sands 18

18. Mangersta 19

    2 Sub-cell 2c Hushinish Point to Sound of Harris (NB 978114 to NG 045818) 19

19. Hushinish 19

20. Traigh Rosamol to Traigh Nisabost 20

21. Traigh Iar to Borve 20

22. Traigh Scarasta 21

23. Northton and Traigh na Cleavag 21

    3 Sub-cell 2d Sound of Harris to Griminish Point (NG 045818 to NF 725766) 22

24. Berneray 22

25. Newton Machair and Machair Robach 22

26. Machair Leathann 23

    4 Sub-cell 2e Griminish Point to Sound of Barra (NF 725766 to NF 745105) 23

27. Griminish Point to Aird an Runair 23

28. Traigh Iar and Port Scolpaig 24

29. Loch Paible to Kyles-paible 24

30. Kirkibost Island and Baleshare 25

31. An Tom to Aird 25

32. Culla 26

33. Poll nan Crann to Borve 26

34. Borve to Ardivachar Point 26

35. Ardivachar Point to Rubh Aird-mhicheil 27

36. Rubh Aird-mhicheil to Rubha Ardvule 27

37. Rubha Ardvule to Smerclate 28

38. Smerclate to East Kilbride 29

39. Eriskay 29

Sub-cell 2f Sound of Barra to Barra Head (NF 745105 to NL 557794). 30

40. Traigh Scurrival 30

41. Traigh Cille-bharra and Traigh Mhor 31

42. Traigh Eais 31

43. Greian Head to Doirlinn Head 31

44. Vatersay 32

SUMMARY OF THE PRESENT SITUATION. 33

    Natural Defences. 33

    Coastal Defences. 34

    Tourism and recreation. 36

    Agriculture & livestock 37

    Sand and shingle extraction. 38

Future Coastal Management 39

    Outline for a Shoreline Management Plan 39

    Future coastal monitoring 43

Conclusions 44

8. Contents Of Full Report 45

9. Glossary 46

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