Hamlet A Euolgy
Types of erosion
Soil erosion caused by water and wind is a widespread problem in both rural and urban areas of Queensland.
Water
The state’s high intensity summer rainfalls mean there is a significant risk of erosion by water.
Hillslopes are susceptible to both sheet erosion, and rill erosion (where small channels up to 30 cm deep form) depending on:
the intensity of rainfall (erosivity)
the nature of the soil (erodibility)
the length and steepness of slope
how the land is used and managed.
Gully erosion is highly visible and affects soil productivity, restricts land use, and can threaten roads, fences and buildings.
Tunnel erosion is the removal of subsurface soil. Initially, the surface soil remains relatively intact, but it may collapse as a precursor to the formation of a gully. Soils vulnerable to tunnel erosion have dispersible subsoils with naturally high levels of sodium. When clods of such soils are exposed to water, they readily break down into......
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Hamlet A Euolgy
Hamlet A Euolgy. Types of erosion Soil erosion caused by water and wind is a
widespread problem in both rural and urban areas of Queensland. ...
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