These environmental impacts can significantly hurt marine wildlife populations, contaminate sources of drinking water and interrupt economic activities such as fishing.ĭescription Excavator dredger in Neeme harbour, Estonia (April 2023)ĭredging is excavation carried out underwater or partially underwater, in shallow waters or ocean waters. Dredging systems can either be shore-based, brought to a location based on barges, or built into purpose built vessels.ĭredging has significant environmental impacts: it can disturb marine sediments, leading to both short- and long-term water pollution, destroy important seabed ecosystems, and can release legacy human-sourced toxins captured in the sediment. Usually the main objectives of dredging is to recover material of value or use, or to create a greater depth of water. In all but a few situations the excavation is undertaken by a specialist floating plant, known as a dredger. Possible reasons for dredging include improving existing water features reshaping land and water features to alter drainage, navigability, and commercial use constructing dams, dikes, and other controls for streams and shorelines and recovering valuable mineral deposits or marine life having commercial value. For the fishing boat, see fishing trawler.ĭredging is the excavation of material from a water environment. Send us feedback about these examples."Dragger" redirects here. These examples are programmatically compiled from various online sources to illustrate current usage of the word 'dredge.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. City News Service, San Diego Union-Tribune, Existing approaches include sweeping the seafloor with hydraulic suction dredges to pump up sediment, filter out minerals, and dump the resulting slurry in the ocean or tailing ponds. Brian Amaral,, Sand will be brought in from offshore via a dredge and pumped onto the beach in a slurry. Jake Frederico, The Arizona Republic, 19 June 2023 Some prep work has been done on the site, including bringing dredge spoil to serve as the foundation (the private developer wasn’t directly involved in this) and geotechnical investigations. Carrie Napoleon, Chicago Tribune, 19 June 2023 Preserving and restoring wetlands together with other water retention can often provide the level of flood control otherwise provided by expensive dredge operations and levees. 2023 For lifelong Cedar Lake residents like Police Chief William Fisher and Pine Crest Marine owner Bob Gross, watching the dredge barge floating on the water is a little surreal. João Paulo Pires, Washington Post, 18 Apr. Karen Schroeder-Rankin, Southern Living, 23 June 2023 In one community, two children were pulled into a river by the wake of a mining dredge and drowned. Jasmine Smith, Southern Living, 2 July 2023 Working with 1 ball at a time, dredge in flour, and shake off excess. Noun Set up dredge bowls: Place flour in a shallow dish. Mark Thiessen,, 18 June 2023 While the river will naturally flush much of that, crews will also dredge to make way for the sediment flows. military ship except aircraft carriers to dock, Port Director Joy Baker said. Mark Thiessen, Anchorage Daily News, 18 June 2023 Workers will dredge a new basin 40 feet (12.2 meters) deep, allowing large cruises ships, cargo vessels, and every U.S. Robert Gauthier, Los Angeles Times, 6 July 2023 Workers will dredge a new basin 40 feet deep, allowing large cruises ships, cargo vessels, and every U.S. Julia Levy, Southern Living, 6 July 2023 In the lowlands of the San Joaquin Valley, last winter’s torrential storms revived an ancient body of water drained and dredged decades ago, its clay lakebed transformed into a powerhouse of industrial agriculture. Smithsonian Magazine, 10 July 2023 Coat zucchini chips: Working in batches, dredge zucchini slices in flour mixture, shaking off excess. Jenn Harris, Los Angeles Times, 3 July 2023 Before dredging sand and modifying reefs, Kane thinks scientists need to understand more about the natural relationship between islands and reefs. Maura Johnston,, 17 July 2023 They’re soaked in buttermilk for at least three hours, then dredged in flour seasoned with what Fraser likes to call sausage seasoning: cumin, coriander, fennel seed, cayenne pepper and sugar. Verb Ben Stas for The Boston Globe On Sunday, Yungblud threw himself fully into his performance despite his bum knee, galloping around the stage, bellowing every lyric as if it had been dredged from the depths of his soul, and bantering heavily.
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