Creep is the name given to this very slow movement of material down- hill. Even though creep happens very slowly, it can move large amounts of material over a long period of time. Many factors can affect creep. Water can loosen soil and rock so that they move more easily.

Erosion by Wind Wind is a powerful agent of erosion. Aeolian (wind-driven) processes constantly transport dust, sand, and ash from one place to another. Wind can sometimes blow sand into towering dunes.

Loess can be carried further than sand because loess ways less than sand so wind can pick loess up easier.

Conservation tillage

arid

The three processes of wind erosion are surface creep, saltation and suspension.

Examples of Wind Erosion

• Rock formation in various location sculpted by wind erosion.
• Dunes, particularly in deserts, off of which sand is blown.
• Various rock or sand structures created via wind blowing off rock and sand around them.

eolian erosion

Summary

1. maintain a vegetative cover, either growing plants or crop residues,
2. reduce cultivated fallow,
3. reduce or eliminate tillage,
4. if you do till, choose a tillage implement that buries less residue and reduce tillage speed,
5. plant and maintain field shelterbelts.
6. avoid overgrazing.

1. Planting Vegetation as ground cover: Farmers plant trees and grass to cover and bind the soil. Plants prevent wind and water erosion by covering the soil and binding the soil with their roots. The best choice of plants to prevent soil erosion are herbs, wild flowers and small trees.

10 Main Factors Affecting Wind Erosion

• Factor # 1. Soil Cloddiness:
• Factor # 2. Surface Roughness:
• Factor # 3. Water Stable Aggregates and Surface Crusts:
• Factor # 4. Wind and Soil Moisture:
• Factor # 5. Field Length:
• Factor # 6. Vegetative Cover:
• Factor # 7. Organic Matter:
• Factor # 8. Barriers:

Answer: Emergency controls are used when wind erosion is imminent or has started. Increasing the surface roughness of a field or covering the soil with straw or manure are the two basic emergency measures. A rougher surface reduces wind speed at the soil surface so the wind is less able to move soil particles.

Excessive tillage that buries crop residues is a major cause of inadequate vegetative cover on cropland. PERMANENT VEGETATIVE COVER is one of the most effective ways to control wind erosion. It protects the soil from wind and water erosion forces throughout the year.

Farming is reliant on soil to produce food. The main long-term threat to the soil is erosion by wind and water. Wind erosion is a soil health thief. In both sandy and fine-grained silt soils of Eastern Washington, wind erosion lifts, sifts, and then carries away the best part of the soil.

Prevent erosion of higher shoreline bluffs by:

1. Retaining moisture-absorbing vegetation on the bluff.
2. Diverting surface runoff away from the bluff (including rain gutter outlets).
3. Reducing runoff rate toward the bluff.
4. Minimizing paved areas that increase runoff.
5. Limiting ground water flow toward the bluff.

Some Basic Principles of Shoreline Protection

• Imitate nature. The native vegetation usually found at the shoreline strengthens its structural integrity and prevents the land from breaking apart.
• Keep slopes gentle.
• Employ “soft armoring” whenever possible.
• Mix it up.
• Keep it small and simple.

All coastlines are affected by storms and other natural events that cause erosion; the combination of storm surge at high tide with additional effects from strong waves—conditions commonly associated with landfalling tropical storms—creates the most damaging conditions.

Types Of Rocks To Help Stop Erosion

1. 1) Cobblestones.
2. 2) Gravel.
3. 3) Non-Absorbent Stone.
4. 4) Riprap.
5. 1) Using Retaining Walls.
6. 2) Anchoring Plant Beds With Boulders.
7. 3) Creating A Rock Toe For Shorelines.
8. 4) Rock Terraces.

Luckily, river rock landscaping can prevent erosion. A layer of river rock on a steep grade can hold in place the soil and prevent runoff, in turn preventing erosion.