gullying

Intense gullying, serrated ridges, and major and minor rockfalls are characteristic of this zone.

Te Wahipounamu (South-West New Zealand World Heritage Area), New Zealand 2008

Land clearing has promoted vast sheet erosion and gullying and consequent re-deposition of loess in the valley bottoms.

Ecoregions of Iowa and Missouri (EPA) 2008

Slope segments longer than 15 metres are prone to greater risks, for example of gullying.

1.1 Problems of slopes and their solutions 1999

They prevent surface scour and gullying (by reinforcing and fulfilling an intermittent armouring function), and provide shallow support.

2.1 Retaining walls 1999

On most long, exposed slopes between 35° and 50° where there is a danger of scour or gullying on the surface.

2.1 Retaining walls 1999

Using this technique, a slope is allowed to develop a semi-natural drainage system, gullying in a controlled way.

3.1 Planted grass lines: contour/horizontal 1999

One hedge in St. Lucia showed some gullying where gaps had formed, but it had been abandoned for probably more than 30 years.

4 Questions and Answers 1993

Often, this gullying starts along the elaborate networks of drainage ditches the farmers dig around their fields.

2 Case Studies 1993

In irrigated zones, drainage is linked to leaching techniques to prevent accumulation of toxic salts in the soil and also to prevent gullying and soil erosion.

2.1. Open ditches 1982

Denudation leaves naked soil; then gullying cuts down to the bare rock; and meanwhile the rock-waste buries the bottomlands.

State of the Union Address (1790-2001) United States. Presidents.