ground subsidence

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• Subsidence — For subsidence in the atmosphere, see subsidence (atmosphere). A road destroyed by subsidence and shear, near Castleton, Derbyshire …   Wikipedia

• Subsidence (atmosphere) — Subsidence in the Earth s atmosphere is most commonly caused by cold temperatures: as air cools, it becomes denser and moves towards the ground, just as warm air becomes less dense and moves upwards. Subsidence generally causes high barometric… …   Wikipedia

• subsidence — See subside. * * * ▪ geology       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… …   Universalium

• subsidence — [[t]səbsa͟ɪd(ə)ns, sʌ̱bsɪd(ə)ns[/t]] N UNCOUNT When there is subsidence in a place, the ground there sinks to a lower level. A surveyor said that the problems were caused by subsidence and the house needed to be underpinned …   English dictionary

• subsidence — sub|si|dence [səbˈsaıdəns, ˈsʌbsıdəns] n [U and C] the process by which an area of land sinks to a lower level than the land surrounding it, or a building begins to sink into the ground ▪ Is your house insured against subsidence? …   Dictionary of contemporary English

• Ground swell — Swell Swell, n. 1. The act of swelling. [1913 Webster] 2. Gradual increase. Specifically: (a) Increase or augmentation in bulk; protuberance. (b) Increase in height; elevation; rise. [1913 Webster] Little River affords navigation during a swell… …   The Collaborative International Dictionary of English

• subsidence —    Lowering of the surface of the ground because of removal of support. Caused in karst areas by subterranean solution or collapse of caves [10] …   Lexicon of Cave and Karst Terminology

• land subsidence —    The subsidence of a surface due to a loss of support [16]. Often occurs as a result of over pumping underlying aquifers or as a result of mining activities. In karst terranes, subsidence can occur as a result of manmade changes to the natural… …   Lexicon of Cave and Karst Terminology

• San Joaquin River — Coordinates: 38°04′00″N 121°51′04″W / 38.0666667°N 121.85111°W / 38.0666667; 121.85111 …   Wikipedia

• Interferometric synthetic aperture radar — Interferometric synthetic aperture radar, also abbreviated InSAR or IfSAR, is a radar technique used in geodesy and remote sensing. This geodetic method uses two or more synthetic aperture radar (SAR) images to generate maps of surface… …   Wikipedia

• Tunnel boring machine — A tunnel boring machine that was used at Yucca Mountain nuclear waste repository A tunnel boring machine (TBM) also known as a mole , is a machine used to excavate tunnels with a circular cross section through a variety of soil and rock strata.… …   Wikipedia