Glossary D

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

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 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

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.

A Drive Casing is Heavy duty steel casing driven along with the sampling tool in cased DP systems.

A Drive Point Profiler is an exposed groundwater DP system used to collect multiple depth-discrete groundwater samples. Ports in the tip of the probe connect to an internal stainless

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