deep-water zone
21Water resources — A natural wetland Water resources are sources of water that are useful or potentially useful. Uses of water include agricultural, industrial …
22Deep Zone Project — {{Unreferenced|date=1842 Deep Zone Project Yoanna performing DJ, Take Me Away at the Eurovision Song Contest 2008, Belgrade, 22 May 2008. Background information …
23Water purification — This article is about large scale, municipal water purification. For portable/emergency water purification, see portable water purification. For industrial water purification, see deionized water. For distilled water, see distilled water. Water… …
24Deep time — For other uses, see Deep time (disambiguation). Deep time is the concept that the Geologic time scale is vast because the Earth is very old. The modern philosophical concept was developed in the 18th century by Scottish geologist James Hutton… …
25Water clock — For the individual water clock at The Children s Museum of Indianapolis, see Water clock (Indianapolis). A display of two outflow water clocks from the Ancient Agora Museum in Athens. The top is an original from the late 5th century BC. The… …
26Water cycle — The Earth s water is always in movement, and the water cycle, also known as the hydrologic cycle, describes the continuous movement of water on, above, and below the surface of the Earth. Since the water cycle is truly a cycle, there is no… …
27Water content — Soil composition by phase: s soil (dry), v void (pores filled with water or air), w water, a air. V is volume, M is mass. Water content or moisture content is the quantity of water contained in a material, such as soil (called soil moisture),… …
28Water cooling — Cooling tower and water discharge of a nuclear power plant Water cooling is a method of heat removal from components and industrial equipment. As opposed to air cooling, water is used as the heat conductor. Water cooling is commonly used for… …
29Deep Down — For the song by Pam Tillis, see Deep Down (song). Deep Down Angel episode Episode no. Season 4 Episode 1 Directed by Terrence O Hara …
30deep percolation — The drainage of soil water downward by gravity below the maximum effective depth of the root zone toward storage in subsurface strata [22] …
