overpumping
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Famine — This article is about scarcity of food. For other uses, see Famine (disambiguation). Child victim of the Holodomor. A famine is a widespread scarcity of food. This phenomenon is usually accompanied or followed by regional malnutrition, starvation … Wikipedia
Sonora — For other uses, see Sonora (disambiguation). Sonora Estado Libre y Soberano de Sonora State … Wikipedia
Food security — refers to the availability of food and one s access to it. A household is considered food secure when its occupants do not live in hunger or fear of starvation. World wide around 852 million people are chronically hungry due to extreme poverty,… … Wikipedia
Water crisis — For other uses, see Water crisis (disambiguation). Deforestation of the Madagascar Highland Plateau has led to extensive siltation and unstable flows of western rivers. Water crisis is a general term used to describe a situation where the… … Wikipedia
GIS and Hydrology — Geographic Information Systems (GIS) has become a particularly useful and important tool in hydrology and to hydrologists in the scientific study and management of water resources. Climate change and greater demands on water resources require a… … Wikipedia
Aquifer — Typical aquifer cross section An aquifer is a wet underground layer of water bearing permeable rock or unconsolidated materials (gravel, sand, or silt) from which groundwater can be usefully extracted using a water well. The study of water flow… … Wikipedia
Ogallala Aquifer — Saturated thickness of the Ogallala Aquifer in 1997 after several decades of intensive withdrawals: The breadth and depth of the aquifer generally decrease from north to south … Wikipedia
Sinkhole — For the War of 1812 battle, see Battle of the Sink Hole. For the type of wallet, see Wallet band#Swallet. A sink hole in Oman … Wikipedia
Groundwater — Shipot, a common source of drinking water in a Ukrainian village. Groundwater is water located beneath the ground surface in soil pore spaces and in the fractures of rock formations. A unit of rock or an unconsolidated deposit is called an… … Wikipedia
Colonel Allensworth State Historic Park — Allensworth Historic District U.S. National Register of Historic Places U.S. Historic district … Wikipedia
Allensworth, California — Allensworth is an unincorporated area in Tulare County, California, United States. It was a town founded in 1908, with the ideal that African Americans could own property, learn, thrive, and live the American Dream. It was named by Lt. Colonel… … Wikipedia
