Glaciation in Snowdonia - Some Post-Glacial Changes to the Landscape
Snowdonia – Post Glacial Changes <ul><li>Post-glacial screes due to frost shattering on the slopes above. </li></ul>
Snowdonia – Post Glacial Changes <ul><li>Fluvial erosion has cut through the morainic deposits in Cwm Idwal. </li></ul>
Snowdonia – Post Glacial Changes <ul><li>Lakes have been infilled as shown by these lake deposits in the Nant Ffrancon val...
Snowdonia – Post Glacial Changes <ul><li>Soils and vegetation have developed on both the bare rock and morainic surfaces l...
Snowdonia – Post Glacial Changes <ul><li>Grazing by sheep has resulted in a distinctive grassland flora;  trees and heathe...
Snowdonia – Post Glacial Changes <ul><li>Footpath erosion is a problem in many popular sites. </li></ul>
Snowdonia – Post Glacial Changes <ul><li>Many paths have been paved, as in Cwm Idwal. </li></ul>
Snowdonia – Post Glacial Changes <ul><li>Where walkers keep to the path the surrounding vegetation is able to recover from...
Snowdonia – Post Glacial Changes <ul><li>The small, old Cwm Dyli H.E.P. scheme has left a pipeline eyesore; The new scheme...
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Glaciation In Snowdonia Some Post Glacial Changes

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Glaciation In Snowdonia Some Post Glacial Changes

  1. 1. Glaciation in Snowdonia - Some Post-Glacial Changes to the Landscape
  2. 2. Snowdonia – Post Glacial Changes <ul><li>Post-glacial screes due to frost shattering on the slopes above. </li></ul>
  3. 3. Snowdonia – Post Glacial Changes <ul><li>Fluvial erosion has cut through the morainic deposits in Cwm Idwal. </li></ul>
  4. 4. Snowdonia – Post Glacial Changes <ul><li>Lakes have been infilled as shown by these lake deposits in the Nant Ffrancon valley. </li></ul>
  5. 5. Snowdonia – Post Glacial Changes <ul><li>Soils and vegetation have developed on both the bare rock and morainic surfaces left after the ice retreated. </li></ul>
  6. 6. Snowdonia – Post Glacial Changes <ul><li>Grazing by sheep has resulted in a distinctive grassland flora; trees and heather only occur where sheep are unable to graze. </li></ul>
  7. 7. Snowdonia – Post Glacial Changes <ul><li>Footpath erosion is a problem in many popular sites. </li></ul>
  8. 8. Snowdonia – Post Glacial Changes <ul><li>Many paths have been paved, as in Cwm Idwal. </li></ul>
  9. 9. Snowdonia – Post Glacial Changes <ul><li>Where walkers keep to the path the surrounding vegetation is able to recover from erosion. </li></ul>
  10. 10. Snowdonia – Post Glacial Changes <ul><li>The small, old Cwm Dyli H.E.P. scheme has left a pipeline eyesore; The new scheme at Dinorwig is hardly visible. </li></ul>

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