Non-living thing. Usually refers to the physical and chemical components of an organism's environment. Also called inorganic.

Surface removal of ice or snow from a glacier or snowfield by melting, sublimation, and/or calving.   Ablation Zone Region in a glacier where there is a surface net removal of snow and/or ice by melti [..]

Physical wearing and grinding of a surface through friction and impact by material carried in air, water, or ice.

Measurement of atmospheric humidity. Absolute humidity is the mass of water vapor in a given volume of air (this measurement is not influenced by the mass of the air). Normally expressed in grams of w [..]

Temperature of -273.15° Celsius. At this temperature atomic motion stops.

(1) Process of taking in and being made part of an existing amount of matter. (2) Interception of electromagnetic radiation or sound.

Atmospheric absorption is defined as a process in which solar radiation is retained by a substance and converted into heat energy. The creation of heat energy also causes the substance to emit its own [..]

Geographic model or representation of the real world. For example, maps and globes are abstractions of the real world or concrete space.

Fan shaped accumulation of sediment from rivers that is deposited at the base of a submarine canyon within a ocean basin.

Another name for ocean floor.