Seattle Rain and Water Movement in Seattle Soils

https://www.studyblue.com/notes/note/n/chp-9-18-specified-vocab-physical-geography-final-/deck/1598584

Glacial outwash

http://www.antarcticglaciers.org/glacial-geology/dating-glacial-sediments-2/optically-stimulated-luminescence/

Glacial Outwash deposits

Ice floes and debris

https://www.studyblue.com/notes/note/n/chp-9-18-specified-vocab-physical-geography-final-/deck/1598584

Glacial erratic

The Vashon glaciation of the Puget Lowland

Glacial effects on deposits and PM

9

Alderwood Soil Series Association

Compact

pre-Vashon

glacial drift

(Modified by Harrison and D Vogt after Dunne & Leopold 1978

Puget

Sound Lake Washington

Perched

lacustrine

material

Typical Seattle geologic cross-section * = problem area

12 Lawton clay - Kitsap soil series

13 Clay slickenslides with sheen!

Johannessen and MacLennan 2007 14

Floods and Urbanization

urban area

surface runoff

natural land cover infiltration

How Water moves through Soil - video