Glossary D

The Environmental Glossary. Letter D +++ Popular Articles: 'Development', 'Disease', 'Durability'

A Density-Dependence is regulation of the size of a population by mechanisms that are themselves controlled by the size of that population (e.g.

Deutsch: Desoxyribonukleinsäure / Español: ácido desoxirribonucleico / Português: ácido desoxirribonucleico / Français: acide désoxyribonucléique / Italiano: acido desossiribonucleico

Deoxyribonucleic acid (DNA) in the environmental context refers to the molecule that carries the genetic instructions used in the growth, development, functioning, and reproduction of all known organisms and many viruses. DNA's role in the environment is pivotal not only in the biological makeup of living beings but also in ecological monitoring, biodiversity assessment, and conservation strategies.

A Depletion is water supplies that are being used up, gradually in most cases, without being replaced.

A Depletion Curve is In hydraulics, a graphical representation of water depletion from storage-stream channels, surface soil, and groundwater.

Deutsch: Ablagerung / Español: Deposición / Português: Deposição / Français: Déposition / Italiano: Deposizione /

A deposition is the processes by which chemical constituents move from the atmosphere to the earth's surface.

A Depression is a low area in a field where surface Drainage away from the area does not occur.

A Depressurization is a condition that occurs when the air pressure inside a structure is lower that the air pressure outdoors.

A Depth of discharge is a measure of how much energy has been withdrawn from a battery, expressed as a percentage of full capacity.

A Dermal Exposure is Contact between a chemical and the skin.

A Dermal Absorption /Penetration is the process by which a chemical penetrates the skin and enters the body as an internal dose.