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Sinkhole - National Geographic Society
https://www.nationalgeographic.org/encyclopedia/sinkhole/
WEBOct 19, 2023 · A sinkhole is a hole in the ground that forms when water dissolves surface rock. Often, this surface rock is limestone , which is easily eroded , or worn away, by the movement of water. In a landscape where limestone sits underneath the soil, water from rainfall collects in cracks in the stone.
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What is a sinkhole? | U.S. Geological Survey - USGS.gov
https://www.usgs.gov/faqs/what-a-sinkhole
WEBA sinkhole is a depression in the ground that has no natural external surface drainage. Basically, this means that when it rains, all of the water stays inside the sinkhole and typically drains into the subsurface. Sinkholes are most common in …
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Sinkhole - Wikipedia
https://en.wikipedia.org/wiki/Sinkhole
WEBA sinkhole is a depression or hole in the ground caused by some form of collapse of the surface layer. The term is sometimes used to refer to doline , enclosed depressions that are also known as shakeholes , and to openings where surface water enters into underground passages known as ponor , swallow hole or swallet .
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Sinkholes | U.S. Geological Survey - USGS.gov
https://www.usgs.gov/special-topics/water-science-school/science/sinkholes
WEBJun 9, 2018 · A sinkhole is a depression in the ground that has no natural external surface drainage. Basically, this means that when it rains, all of the water stays inside the sinkhole and typically drains into the subsurface. Sinkholes are most common in what geologists call, “ karst terrain .”
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I have (or think I have) a sinkhole on my property. What should I do?
https://www.usgs.gov/faqs/i-have-or-think-i-have-sinkhole-my-property-what-should-i-do
WEBA sinkhole is a depression in the ground that has no natural external surface drainage. Basically, this means that when it rains, all of the water stays inside the sinkhole and typically drains into the subsurface. Sinkholes are most common in what geologists call, “ …
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What causes a sinkhole to form? - National Geographic
https://www.nationalgeographic.com/environment/article/sinkhole
WEBSinkholes typically form when naturally acidic rainwater erodes underlying bedrock, creating damage beneath the surface. Their formation is most common in easily erodible karst terrains with...
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How Sinkholes Work | HowStuffWorks
https://science.howstuffworks.com/nature/natural-disasters/sinkhole.htm
WEBNov 2, 2023 · How Sinkholes Form. Also called sinks, sinkholes owe much to water. A sinkhole usually forms by erosion caused by frequent exposure to water. It comes down to the type of rocks underlying the soil (as opposed to the soil above called the overburden).
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What are sinkholes: how they form and why they're so dangerous
https://www.zmescience.com/science/geology/science-abc-sinkholes/
WEBby Mihai Andrei. January 9, 2016 - Updated on May 21, 2023. in Earth Dynamics, Geology. Reading Time: 9 mins read. Sinkholes can pop up seemingly out of nowhere. Image credits: Eric Heather...
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VIDEO: Sinkholes — What are they? How do they form?
https://www.floridamuseum.ufl.edu/earth-systems/blog/sinkholes-what-are-they-how-do-they-form/
WEBDec 14, 2020 · According to the U.S. Geological survey, a sinkhole is “a depression in the ground that forms when groundwater circulates through rock and dissolves it.” Sinkholes appear in all sorts of shapes and sizes and can appear in many different places: roads, populated areas or out in the wilderness.
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Sinkhole | Karst, Subsidence & Collapse | Britannica
https://www.britannica.com/science/sinkhole
WEB5 days ago · Sinkhole, topographic depression formed when underlying limestone bedrock is dissolved by groundwater. It is considered the most-fundamental structure of karst topography. Sinkholes vary greatly in area and depth and may be very large. There are two main varieties, one caused by the collapse of the.
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