ground water runoff
1runoff — noun a) That portion of precipitation or irrigation on an area which does not infiltrate or evaporate, but instead is discharged from the area.<! That which is lost without entering the soil is called surface runoff. That which enters the soil …
2Water conservation — refers to reducing the use of water.The goals of water conservation efforts include: * Sustainability To ensure availability for future generations, the withdrawal of fresh water from an ecosystem should not exceed its natural replacement rate. * …
3Water 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… …
4Water pollution — Raw sewage and industrial waste flows across international borders New River passes from Mexicali to Calexico, California. Water pollution is the contamination of water bodies (e.g. lakes, rivers, oceans and groundwater). Water p …
5Water resources — A natural wetland Water resources are sources of water that are useful or potentially useful. Uses of water include agricultural, industrial …
6Water — This article is about general aspects of water. For a detailed discussion of its properties, see Properties of water. For other uses, see Water (disambiguation) …
7Water distribution on Earth — Contents 1 Distribution of river water 2 Variability of water availability 3 See also …
8Water quality — A rosette sampler is used to collect samples in deep water, such as the Great Lakes or oceans, for water quality testing. Water quality is the physical, chemical and biological characteristics of water.[1] It is a measure of the condition of… …
9Water Resources Development Act of 1986 — The Water Resources Development Act of 1986 (WRDA 1986) is part of USPL|99|662, a series of acts enacted by Congress of the United States on November 17, 1986. [ [http://thomas.loc.gov/cgi bin/bdquery/D?d099:1:./temp/ bdVNjS:@@@D summ2=m… …
10Water supply and sanitation in Iran — has witnessed some important improvements, especially in terms of increased access to urban water supply, while important challenges remain, particularly concerning sanitation and service provision in rural areas.Institutionally, the Ministry of… …
