What is gully Describe how gully could be healed?

Answer 1

A gully is a landformcreated by running water, eroding sharply into soil, typically on a hillside. Gullies resemble large ditches or small valleys, but are metres to tens of metres in depth and width. When the gully formation is in process, the water flow rate can be substantial, which causes the significant deep cutting action into soil.

Gullying or gully erosion is the process by which gullies are formed. Hillsides are more prone to gullying when they are cleared of vegetation, throughdeforestation, over-grazing or other means. The eroded soil is easily carried by the flowing water after being dislodged from the ground, normally whenrainfall falls during short, intense storms such as during thunderstorms.

The gully moves upward at a nick point. This is from interflow as well as surface runoff. This interflow is quite important for the propagation of the nick point and its migration upstream.

Gullies reduce the productivity of farmland where they incise into the land, and produce sediment that may clog downstream waterbodies. Because of this, much effort is invested into the study of gullies within the scope of geomorphology, in the prevention of gully erosion, and in restoration of gullied landscapes. The total soil loss from gully formation and subsequent downstream river sedimentation can be sizable.