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Gravity Recovery and Climate Experiment (GRACE) satellites have been emerging as a powerful tool to evaluate GWD with ancillary data. 2006, Döll et al. In Asia and the Pacific region groundwater use is predicted to increase 30% by 2050 leading to the further depletion of aquifers in already over-extracted regions. 18.1).The first type is stored in porous and poorly consolidated sediments . Full PDF Package Download Full PDF Package. 2.1.2. A natural consequence of groundwater withdrawals is the removal of water from subsurface storage, but the overall rates and magnitude of groundwater depletion in the United States are not well characterized. This infers that the Western part of the Loess area in China showed the largest depletion rate (−6.68 cm yr −1) in the study period, while the Eastern part showed the lowest depletion rate (−0.89 cm yr −1). Hydrogeological Profile of Aquifer Systems in Beijing, China. China - where GW over-extraction & pollution has been rampant - is . and China admits that at least 46 of its cities are sinking do to groundwater over exploitation. NG Maps. The government hopes that a massive system of canals and pipes, to funnel 45 billion cubic metres of water a year from China's moist south to its arid north, will alleviate groundwater depletion . ties in recent years primarily as a result of aquifer depletion and related phenomena. More than seafood is at stake, as China looks to assert itself on the seas and further its geo-political ambitions, from East Asia to Latin America. It is a risk so great, countries and multinationals must . "The World Bank estimates that in India, 175 million . In China, groundwater from the Illi River Basin Aquifer (AS72) has sustained the socio-economic development of the Xinjiang Province in China and regions with large populations in Kazakhstan (Zaisheng et al., 2008). Aquifer depletion is a growing problem as world populations increase and the need for increased food supplies. Indeed, California's Central Valley aquifer system was sixth of the global "hotspots" of aquifer depletion in a 2016 report. Our assessments were based on the forward . The main regions of North Africa, the Middle East, South, and Central Asia, North China, North America, and Australia, and localized areas around the world are affected by excessive groundwater depletion. From Groundwater Depletion in the United States (1900-2008), USGS Scientific Investigations Report 2013-5079. groundwater depletion appear: North‐East Pakistan and North‐West India [Rodell et al., 2009], North‐East China [Konikow and Kendy, 2005], the Ogallala Aquifer in the central U.S. [Gutentag et al., 1984], the San‐Joaquin aquifer in the Central Valley of California [Reilly et al., 2008], Iran Low/no depletion in the northern HP aquifer (#14) November 1, 1998-October 331, 2016 The High Plains Aquifer, also known as the Ogallala Aquifer, is under stress. The aquifer under the North China Plain is seeing its water table fall at 5 feet (1.5 meters) a year. MY ANSWER: Yes, that's the usual term. The aquifer occupies 11 percent of Texas . Deep waters, slowly drying up. is being pumped at double the rate of the aquifer's ability to recharge from rainfall. In the United Sates, it is similar. [Google Scholar] Huang Z. et al.. Subregional-scale groundwater depletion detected by GRACE for both shallow and deep aquifers in North China Plain. The population-dense region is placing unsustainable pressure on groundwater supplies in the North China Aquifer by withdrawing water for industrial and agricultural use, as well as for daily household consumption. 2012). The aquifer is almost liquid gold, supplying California's agricultural breadbasket that provides 25 percent of the U.S. food and three-quarters of irrigated land in the state. Types of Groundwater Resources and the Distribution. . Also, streamflow depletion may occur as the aquifer is increasingly disconnected from overlying rivers and streams (Barlow and Leake 2012), causing ecological and economic impacts. After exhausting areas close to home, China's vast fishing fleet has moved into the waters of other nations, depleting fish stocks. main source of water supply and aquifers have low natural recharge rates, are particularly affected by this phenomenon (Scanlon et al. "The depletion of aquifers is creating a geopolitical challenge that is beyond a corporation's sole ability to fix. India's first aquifer atlas points to a sharp decline in groundwater levels in several parts of Delhi, West Uttar Pradesh, Haryana and Rajasthan. . This paper focuses upon the hydrogeologic and socio-economic diagnosis of The High Plains aquifer is still losing water overall, but a new study shows that the depletion is slowing down in Kansas, thanks to good rains and better practices among farmers. Due to lower water levels, some areas in China are pumping water from as deep as 300 meters (almost 1,000 feet) underground, an expensive undertaking that is impacting wheat production in the country. By Ian Urbina • August 17, 2020. CLEMENT weather and plentiful water mean that Punjab produces an eighth of India's total food . Close to 50 percent of the world's aquifers may be "past their tipping point", which means that a natural . Download Full PDF Package. However, the intensive use of shared groundwater resources has led to simultaneous aquifer depletion and pollution. 37 Full PDFs related to this paper. These aquifers are a critical source of water for Texas, supplying 62 percent of the 13.7 million acre-feet of water used in the state in 2014. The NCP is underlain by an aquifer system with a maximum thickness of 1 km, spanning 280 km from east-west, with . The average annual rate of depletion, which was 0.3 m before the 1980s, reached 0.5 m in the 1990s and 2 m during the . Groundwater depletion has been a concern in the Southwest and High Plains for many years, but increased demands on our groundwater resources have overstressed aquifers in many areas of the Nation, not just in arid regions. More than seafood is at stake, as China looks to assert itself on the seas and further its geo-political ambitions, from East Asia to Latin America. Download Download PDF. Groundwater footprints (GF) of aquifers that are important to agriculture are significantly larger than their geographic areas. Countries over-pumping aquifers include China, India, US. 80% of these resources are in the South of China. This Paper. China and India, means both . and the depletion of the Guaraní Aquifer in Argentina and neighboring countries. Res. The Ganges‑Brahmaputra basin suffers aquifer depletion and groundwater pollution stresses including swathes of India, China, Nepal, Bangladesh and Bhutan, which collectively is home to about 10 percent of the Planet's population. The nation is experiencing "a massive water crisis," according to CNN. How to use aquifer in a sentence. main source of water supply and aquifers have low natural recharge rates, are particularly affected by this phenomenon (Scanlon et al. Beijing, China; fDepartment of Agricultural and Biological Engineering, University of Illinois at Urbana-Champaign, Urbana, . Groundwater modeling for sustainable management is an important field in regions that use groundwater as their main water supply. Farmers today have . China, North America and South Africa. Indeed, in many regions farmers and already digging deeper for water as water tables fall, raising costs. The larger amount of fresh water remains solidified (ice) or trapped underground and is often accessed using Aquifers. 1 Have GRACE satellites overestimated groundwater storage depletion in the Northwest India Aquifer? aquifers causing groundwater depletion and reduced shallow groundwater yield and quality; and 2) potential effectiveness of groundwater monitoring, management, and conservation policies. A short summary of this paper. The cumulative depletion of Iran's fossil groundwater storage is estimated to have grown to ∼133 km 3 by 2019 ( 22 ). Aquifer depletion is a global problem It's not a problem that's unique to America, by the way. . In a report published in 2017, the DEP projected that between 2015 and 2035, the population in Florida will grow by 27%, to 25.2 million, and that public demand for water will increase by 23%. The reason: aquifer depletion. On average, withdrawing 5.4 km 3 /y of nonrenewable water caused groundwater tables to decline 10 to 100 cm/y in different regions, averaging 49 cm/y across the country. Groundwater depletion compounds China's water scarcity. Water quantity Supply. 2006, Döll et al. For areas where surface recharge replenishes the aquifer, the residual effects of base-flow reduction and thus its depletion volume will be significantly reduced. The very same problem is facing India, where fossil water is already running dry in many parts of the country. In recent years, due to a . The over-abstraction has a number of serious consequences: It decreases the amount of water stored and thus the ability of aquifers to serve as reservoirs for drought relief. Groundwater depletion can be comparable to "money in a bank", The primary cause of groundwater depletion is pumping or the excessive pulling up of groundwater from underground aquifers. 49, 2110-2118 (2013). Both population and economic activity have grown markedly in . . New agreements offer hope. ≡ Menu. This study explores the capability of GRACE to detect groundwater storage variations in the two sub-regions in the North China Plain (NCP): the Piedmont Plain (PP, mainly shallow unconfined-aquifers) and East-Central Plain (ECP, mainly deep confined-aquifers), both of which have the areas smaller than the typical GRACE footprint (~200,000 km2). mate GWD over aquifers globally using GRACE in combination with ancillary data, e.g., the HP Aquifer 3,15 and California's CV 7,18 in the US, the Middle East 19,20, the Northwest India Aquifer (NWIA) 16,21, and the North China Plain22,23. Read Paper. Semi-arid regions in which extensive groundwater depletion has been reported include northwest India, the Middle East, northeastern China and North America (Konikow and Kendy 2005, Wada . After exhausting areas close to home, China's vast fishing fleet has moved into the waters of other nations, depleting fish stocks. . An aquifer is an underground layer of water-bearing permeable rock, . Even the Middle East is facing its own water . 80% of these resources are in the South of China. This study evaluates long-term cumulative depletion volumes in 40 separate aquifers or areas and one land use category in the . Recent studies provide holistic assessments of groundwater stress and resilience over aquifers globally; The reason: aquifer depletion. The crops leading to the most depletion globally in 2010, both because of their large production and high GWD intensity, are wheat (22% of global GWD, or 65 km3/year) rice (17%), sugar crops (7% . 3 /y) primarily due to physical limits to fresh groundwater resources (i.e., depletion and/or salinization). These states are Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming. Circle of Blue. 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