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The origin and geomorphic implications of cliff-foot recesses and tafoni on limestone hamadas in the Northwest Sahara
  • The origin and geomorphic implications of cliff-foot recesses and tafoni on limestone hamadas in the Northwest Sahara
Perspectives on prehistoric and recent gullying in central Zimbabwe in Soil erosion and host materials in Africa.
  • ) on the colluvial sediments exposed in the gully particularly with a view to determining the timing and nature of prehistoric gullying, 2) the main factors affecting gully growth since the 1940s, and 3) small-scale influences on present day headcut recession.