Water distribution on Earth — Contents 1 Distribution of river water 2 Variability of water availability 3 See also … Wikipedia
Water — 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) … Wikipedia
Water 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… … Wikipedia
Water 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… … Wikipedia
Water supply and sanitation in Saudi Arabia — differs from most other countries in three significant aspects. First, it relies almost exclusively on two sources that are absent in most other countries: desalination and fossil water. Second, given the substantial oil wealth of the country,… … Wikipedia
Nonpoint source water pollution regulations in the United States — Nonpoint source (NPS) water pollution regulations are environmental regulations that restrict or limit water pollution from diffuse or nonpoint effluent sources such as polluted runoff from agricultural areas in a river catchments or wind borne… … Wikipedia
Outline of water — Faucet dripping water. Structure of the … Wikipedia
Groundwater recharge — Water balance Groundwater recharge or deep drainage or deep percolation is a hydrologic process where water moves downward from surface water to groundwater. This process usually occurs in the vadose zone below plant roots and is often expressed… … Wikipedia
hydrosphere — /huy dreuh sfear /, n. the water on or surrounding the surface of the globe, including the water of the oceans and the water in the atmosphere. [1885 90; HYDRO 1 + SPHERE] * * * Discontinuous layer of water at or near the Earth s surface. It… … Universalium
Glossary of environmental science — This is a glossary of environmental science.Environmental science is the study of interactions among physical, chemical, and biological components of the environment. Environmental science provides an integrated, quantitative, and… … Wikipedia
Algal bloom — Algal blooms can present problems for ecosystems and human society An algal bloom is a rapid increase or accumulation in the population of algae (typically microscopic) in an aquatic system. Algal blooms may occur in freshwater as well as marine… … Wikipedia