groundwater extraction
41Subsidence — For subsidence in the atmosphere, see subsidence (atmosphere). A road destroyed by subsidence and shear, near Castleton, Derbyshire …
42In-situ leach — In situ leaching (ISL), also called in situ recovery (ISR) or solution mining, is a process of recovering minerals such as copper and uranium through boreholes drilled into the deposit. The process initially involves drilling of holes into the… …
43Marcellus Formation — Stratigraphic range: Middle Devonian …
44Gold cyanidation — (also known as the cyanide process or the MacArthur Forrest process) is a metallurgical technique for extracting gold from low grade ore by converting the gold to a water soluble coordination complex. It is the most commonly used process for gold …
45Water supply and sanitation in Denmark — Public water supply and sanitation in the Denmark is characterized by universal access and generally good service quality. Some salient features of the sector in the Denmark compared to other developed countries are:* service provision only by… …
46Water supply and sanitation in Israel — is intricately linked to the historical development of Israel in the context of scarce water resources. Because the coastal plain of historical Palestine had few water resources, Theodor Herzl already envisioned the transfer of water from the… …
47India — /in dee euh/, n. 1. Hindi, Bharat. a republic in S Asia: a union comprising 25 states and 7 union territories; formerly a British colony; gained independence Aug. 15, 1947; became a republic within the Commonwealth of Nations Jan. 26, 1950.… …
48hydrologic sciences — Introduction the fields of study concerned with the waters of the Earth. Included are the sciences of hydrology, oceanography, limnology, and glaciology. In its widest sense hydrology encompasses the study of the occurrence, the… …
49Datation des eaux souterraines — Au sein des aquifères, l’âge des eaux souterraines, c est à dire de son temps de transfert de son point d’infiltration vers son exutoire naturel ou non (captage) peut varier du jour au(x) million(s) d’années suivant le contexte géologique et… …
50Oil shale economics — deals with the economic feasibility of oil shale extraction and processing. The economic feasibility of oil shale is highly dependent on the price of conventional oil, and the assumption that the price will remain at a certain level for some time …
