In subsurface hydrogeology, drawdown is the reduction in hydraulic head observed at a well in an aquifer, typically due to pumping a well as part of an aquifer test or well test.

In hydrology, there are two similar but distinct definitions in use for the word drawdown:

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Unsourced material may be challenged and removed.įind sources: 'Drawdown' hydrology – news Please help improve this article by adding citations to reliable sources. Send us feedback about these examples.This article needs additional citations for verification. These examples are programmatically compiled from various online sources to illustrate current usage of the word 'drawdown.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. 2020 As the pandemic set in, Wall Street banks saw a rush of hospitals draw down existing credit lines and were inundated with requests for new or expanded financing. troops in Afghanistan to about 2,500 in early 2021, as NBC News was first to report on Wednesday. 2021 National Security Adviser Robert O’Brien confirmed on Friday that President Donald Trump has ordered the Pentagon to draw down the number of U.S. Abraham Mahshie, Washington Examiner, 19 Feb. Douglas Fox, Scientific American, 1 July 2021 The Guard is scheduled to draw down March 14 with a total expected price tag of $483 billion for the overall operation. 2021 If the process started by 2050, that would mean drawing down two billion to 20 billion tons of CO2 every year. Melissa Quinn, Kathryn Watson, CBS News, 27 Aug. military would need several days to draw down operations ahead of a final withdrawal. 2022 Still, while countries may begin to draw down their SPR stockpiles as the world shifts away from fossil fuels, Meidan argues that governments have strong incentives to keep a robust reserve mechanism to hedge against the myriad uncertainties of the global energy transition.

Steve Hendrix and Amy Cheng, Anchorage Daily News, 12 Feb. 2023 Russian Foreign Ministry Spokesperson Maria Vladimirovna Zakharova said the move was in response to the growing list of other governments deciding to draw down their diplomatic corps. Ishaan Tharoor, Washington Post, 12 Mar. Verb The agreement, forged through an initiative from Chinese President Xi Jinping, will lead to, among other things, embassies reopening in both countries and a potential drawing down of the civil war in Yemen. 2022 Overall, the recent GDP figures suggest a likely economic slowdown going forward, due largely to a drawdown in inventories – that is, rather than ordering new goods, companies are relying more on stuff currently in storage. Eleanor Watson, CBS News, 1 July 2022 The audit also found that the DOC was submitting progress reports as required and did not find any issues with the amount the DOC spent on equipment or uncover any discrepancies in the DOC’s grant financial or budget management, drawdown or federal financial reports, the report said.

2023 The latest round of assistance to Ukraine, totaling $820 million, provides aid through a drawdown of current Defense Department stocks, as well as through the Ukraine Security Assistance Initiative Fund (USAI), which contracts weapons that the Pentagon will then send to Ukraine. inventories for Ukraine since August 2021, was announced ahead of a weekend meeting in Germany of dozens of donor countries in the U.S.-led Ukraine Defense Contact Group. Breanne Deppisch, Washington Examiner, The upcoming shipments, the 36th presidential drawdown from U.S.

Ksenia Galouchko, Fortune, 26 June 2023 The sales were the single largest drawdown in the history of the reserve, sending levels plummeting to a 40-year low. 2020 Morgan Stanley’s Michael Wilson, whose outlook for a market slump in 2023 has yet to materialize, sees the S&P 500 at risk of a near-term drawdown. Nabil Al-Jurani and Samya Kullab, Star Tribune, 20 Aug. 2021 Coalition troops have left most bases in a planned drawdown. Noun The drawdown in property shares helped pull Hong Kong’s flagship Hang Seng Index down about 1.5% to 24667.85, the benchmark’s lowest closing value of 2021.

Water drawdown definition