CLIMATE CHANGE
Past and future impacts on the
landscape and drainage of the
Yorkshire Dales (Part 1)
Dr Aidan Foley
Structure

Climate Change – sun/earth interactions over
geological time

UK Ice Sheets & Ice Processes

Impacts on Surface and Subterranean Drainage

Climate Change – the last 10,000 years and
anthropogenic factors

Likely impacts on rivers

The role of groundwater

Likely management issues & restoration
Milankovitch cycles
Milankovitch cont.
On the basis of
Milankovitch cycles, no
glaciations are predicted
for 30,000 yrs.
Milankovitch, M. (1920) Mathematical Theory of Heat Phenomena Produced by Solar Radiation
Climate Change ~ 500 Million years
Veizer et al. (1999); Wikimedia Commons
Climate Change ~ 5 Million Years
Lisiecki and Raymo (2005)
Wikimedia Commons
Climate Change ~ 0.5 million years
Petit et al. 1999; Lisiecki and Raymo (2005); Wikimedia Commons
UK Ice Sheet Extent
Glacial landforms northern UK
Main ice centres, last glaciation
Landscape Evolution
Glacial Processes
Glacial Processes cont.