Term
|
Definition
A weak acid formed by rain or other water in contact with carbon dioxide in the atmosphere or in soils and vegetation |
|
|
Term
Chemical Weathering [image] |
|
Definition
| the breaking down of rock material by chemical means, forming a new substance |
|
|
Term
|
Definition
| a slow longitudinal movement or deformation |
|
|
Term
|
Definition
| The wearing away of land or soil by the action of wind, water, or ice |
|
|
Term
|
Definition
| a rock weathering process in which concentric slabs, plates, or shells of rock, from less than a centimeter to several meters in thickness |
|
|
Term
|
Definition
| The decomposition of organic compounds by interaction with water. |
|
|
Term
|
Definition
| As one of the many kinds of mechanical weathering, ice wedging is the most common. Water fills up cracks in rock, and when it freezes |
|
|
Term
|
Definition
| An abrupt movement of soil and bedrock downhill in response to gravity. Landslides can be triggered by an earthquake or other natural causes |
|
|
Term
|
Definition
| the downslope movement of earth caused by gravity. Includes but is not limited to landslides, rock falls, debris avalanches & creep |
|
|
Term
Mechanical Weathering [image] |
|
Definition
| The process by which a rock or mineral is broken down into smaller fragments without altering its chemical makeup |
|
|
Term
|
Definition
| A downslope movement of mud at slow to moderate speed. |
|
|
Term
|
Definition
| The combination of a substance with oxygen |
|
|
Term
|
Definition
| The mineral or organic matter from which the upper layers of soil are formed |
|
|
Term
|
Definition
| Soil that develops directly from weathering of the rock |
|
|
Term
|
Definition
| the part of the earth's surface consisting of humus and disintegrated rock |
|
|
Term
|
Definition
| The process by which soil is worn away. Wind, water, heat, cold and gravity or a mixture of all these things can cause erosion. The loss of plants often makes soil erosion worse as the roots of many plants resist wind and water. |
|
|
Term
|
Definition
A vertical strip of soil stretching from the surface down to the bedrock and including all of the successive soil horizons |
|
|
Term
|
Definition
| The part of the soil profile beneath the surface soil that has been altered from its original geologic characteristics |
|
|
Term
|
Definition
| uppermost layer of soil, usually darker and richer than the subsoil |
|
|
Term
|
Definition
| Soil not formed from the local rock but from parent material brought in from some other region and deposited, usually by running water, wind |
|
|
Term
|
Definition
| The process during which a complex compound is reduced to its simpler component parts, transported via physical processes, or biodegraded over time. |
|
|
