upwelling

noun
up·​well·​ing | \ ˌəp-ˈwe-liŋ How to pronounce upwelling (audio) \

Definition of upwelling

: the process or an instance of rising or appearing to rise to the surface and flowing outward especially : the process of upward movement to the ocean surface of deeper cold usually nutrient-rich waters especially along some shores due to the offshore movement of surface waters (as from the action of winds and the Coriolis force)

Examples of upwelling in a Sentence

Recent Examples on the Web The results suggested a gradual increase in upwelling and then a dramatic decrease, which lined up with the sardine population's growth and decline. Rachel Nuwer, Scientific American, "Old Seaweed Reveals Secret of Monterey Sardine History," 1 Oct. 2020 The birds then dip their bills into the upwelling and feed at high speed. Erica Tennenhouse, Science | AAAS, "Watch rare shorebirds engage in a synchronized water dance," 12 Nov. 2020 This massive upwelling of the deeper, carbon-rich waters of the Southern Ocean increases the pCO₂ of the ocean surface, which decreases its capacity to act as a carbon sink, the argument goes. Anil Ananthaswamy, Smithsonian Magazine, "The World’s Best Natural Defense Against Climate Change May Soon Make Things Worse," 27 Feb. 2020 Knowing this, the researchers were able to use algal specimens to create a record of upwelling in Monterey Bay starting in 1878, extending the existing record back by nearly 70 years. Annie Roth, Smithsonian Magazine, "Scientists Use Century-Old Seaweed to Solve a Marine Mystery," 28 Sep. 2020 There’s some deep-water upwelling that happens in that area. Sammy Roth Staff Writer, Los Angeles Times, "Boiling Point: After decades of abuse, oceans could offer a climate change solution," 29 Oct. 2020 Van Houtan and others had suspected upwelling played a role in sardine population trends, but scientists only started measuring the process in Monterey Bay in 1946. Rachel Nuwer, Scientific American, "Old Seaweed Reveals Secret of Monterey Sardine History," 1 Oct. 2020 This upwelling of dreams is the first to occur globally and the first to happen in the era of social media, which makes dreams readily accessible for immediate study. Tore Nielsen, Scientific American, "The COVID-19 Pandemic Is Changing Our Dreams," 16 Sep. 2020 This wind shear from its west, along with the upwelling of cooler water deeper in the Gulf, should prevent further strengthening today. Eric Berger, Ars Technica, "Hurricane Sally will bring devastating floods to the Southern United States," 15 Sep. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'upwelling.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of upwelling

1868, in the meaning defined above

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The first known use of upwelling was in 1868

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Last Updated

17 Dec 2020

Cite this Entry

“Upwelling.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/upwelling. Accessed 15 Jan. 2021.

More from Merriam-Webster on upwelling

Thesaurus: All synonyms and antonyms for upwelling

Britannica.com: Encyclopedia article about upwelling

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