Glossary D

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

A Drawdown is
1. The drop in the water table or level of water in the ground when water is being pumped from a well.
2. The amount of water used from a tank or reservoir.
3. The

Drayage Firms are Motor carriers that provide local pickup and delivery of trailers and containers (on chassis)

A dredge is a fishing method that utilizes a bag dragged behind a vessel that scrapes the ocean bottom, usually to catch shellfish.

Dredging is the removal of mud from the bottom of water bodies.

A driftnet is a huge net stretching across many miles that drifts in the water; used primarily for large-scale commercial fishing.

Deutsch: Gebohrt / Español: Perforado / Português: Perfurado / Français: Foré / Italiano: Forato /

A Drilled is zthe state after planted with a grain drill. Grain drills differ from row crop planters in that they do not meter individual seeds, but drop small groups of seed in a process referred to as bulk metering. Drills plant crops in closely spaced rows (typically seven to 10 inches on center) that will not be mechanically cultivated.

A Drilling Fluid is Fluid used to lubricate the bit and convey drill Cuttings to the surface with rotary drilling equipment.

A Drinking Water Equivalent Level is Protective level of Exposure related to potentially non-carcinogenic effects of chemicals that are also known to cause cancer.

A Drinking Water State Revolving Fund is the Fund provides capitalization grants to states to develop drinking water revolving loan funds to help finance system infrastructure improvements, assure source-water protection, enhance operation and management of drinking-water systems, and otherwise promote local water-system compliance and protection of public health.

A drip irrigation is a common Irrigation method where pipes or tubes filled with water slowly drip onto crops. Drip Irrigation is a low-pressure method of Irrigation and less water is lost to evaporation than high-pressure spray irrigation.