Notes

Slide Show

Outline

1	Soils properties and ecohydrology John Hazelden and Laurie Boorman L A B Coastal http://www.labcoastal.co.uk/
2	Soils properties and ecohydrology Soil factors affecting marsh-land and its hydrology
3	Outline of the presentation Soil functions Water movement over and through soils Physical changes in marsh soils Peat Chemical changes in marsh soils Conclusions
4	Soil functions
5	Water movement Water pathways through a soil in clayey drift Soil structure By-pass flow HOST
6	HOST Classification Framework (www.macaulay.ac.uk/host/)
7	Water movement Water movements begins from the land around the marsh Sediment, nutrients and pesticides moved
8	Water movement – freshwater flow Soil affects: Overland flow Subsurface flow Field drainage Groundwater River flow Seasonal patterns
9	Water movement Fresh water seeping into the marsh along the upland fringe - phragmites
10	Physical changes
11	Physical changes
12	Physical changes
13	Physical changes
14	Physical changes
15	Physical changes
16	Physical changes
17	Physical changes
18	Peat
19	Chemical changes
20	Chemical changes
21	Conclusions