安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- Subsidence - Wikipedia
Subsidence is a general term for downward vertical movement of the Earth's surface, which can be caused by both natural processes and human activities Subsidence involves little or no horizontal movement, [1] [2] which distinguishes it from slope movement [3]
- Land Subsidence | U. S. Geological Survey - USGS. gov
Land subsidence is a gradual settling or sudden sinking of the Earth’s surface owing to subsurface movement of earth materials The principal causes of land subsidence are aquifer-system compaction, drainage of organic soils, underground mining, hydrocompaction, natural compaction, sinkholes, and thawing permafrost Land
- What is subsidence? - NOAAs National Ocean Service
Subsidence - sinking of the ground because of underground material movement—is most often caused by the removal of water, oil, natural gas, or mineral resources out of the ground by pumping, fracking, or mining activities
- Subsidence | Ground Movement, Soil Compaction Land Degradation . . .
Subsidence, sinking of the Earth’s surface in response to geologic or man-induced causes When subsidence occurs in great belts, providing troughs for the accumulation of sediments, the resulting features are termed geosynclines; nonlinear subsidence produces basins and irregular depressions
- Subsidence: What Is It And How To Prevent It - HomeOwners Alliance
Subsidence is a word dreaded by home owners and buyers alike We look at what subsidence is, how to avoid it, how to fix it - and the implications it may have for the future sale of your home What is subsidence? House subsidence risks: What are they? What are the signs of subsidence? Are all cracks in my house signs of subsidence?
- What is Subsidence and How Does it Impact the Ground Beneath Our Feet
In California, subsidence has been documented for over a century and is a growing issue that impacts our water infrastructure and the communities who rely on it This summer, DWR plans to release a draft best management practices document to help local agencies minimize subsidence impacts around the state For more information about
- What is Subsidence? - WorldAtlas
Subsidence is the downward motion of ground surface in relation to an entity like the sea level In other words it can be described as the downward shift of the ground surface Subsidence is an occurrence that affects residents, geologists, business owners, surveyors, and geotechnical engineers
- Subsidence - Encyclopedia. com
Subsidence is a type of mass wasting, or mass movement-transport of large volumes of earth material primarily by gravity Subsidence may occur as the result of either natural or human-caused events Earthquakes are commonly associated with subsidence
|
|
|