negative gravity anomaly

См. также в других словарях:

• Gravity anomaly — A gravity anomaly is the difference between the observed gravity and a value predicted from a model. Geodesy and geophysicsIn geodesy and geophysics, the usual model is the surface of a global spheroid (ellipsoid of Hayford or WGS84) by rather… …   Wikipedia

• Anomaly (physics) — In quantum physics an anomaly or quantum anomaly is the failure of a symmetry of a theory s classical action to be a symmetry of any regularization of the full quantum theory. In classical physics an anomaly is the failure of a symmetry to be… …   Wikipedia

• Gravitational anomaly — Anomalies in the usual 4 spacetime dimensions arise from triangle Feynman diagrams Not to be confused with Gravity anomaly. In theoretical physics, a gravitational anomaly is an example of a gauge anomaly: it is an effect of quantum… …   Wikipedia

• Bouguer anomaly — In geodesy and geophysics, the Bouguer anomaly (named after Pierre Bouguer) is computed from a free air anomaly by computationally removing from it the attraction of the terrain, the Bouguer reduction .In case where the effects of terrain are… …   Wikipedia

• Cornubian batholith — Map showing the main granite outcrops of the Cornubian batholith in southwest England and the location of Haig Fras the 20 mGal Bouguer anomaly is also shown as this indicates the location of the negative anomalies associated with these… …   Wikipedia

• Wilkes Land crater — is an informal term that may apply to two separate cases of conjectured giant impact craters hidden beneath the ice cap of Wilkes Land, East Antarctica. These are separated below under the heading Wilkes Land anomaly and Wilkes Land mascon (mass… …   Wikipedia

• Mass concentration (astronomy) — For mass concentration in chemistry, see Concentration#Mass versus volume. Topography (top) and corresponding gravity (bottom) signal of lunar Mare Smythii containing a significant mascon. In astronomy or astrophysics mass concentration or mascon …   Wikipedia

• Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …   Universalium

• Near-surface geophysics — is the use of geophysical methods to investigate small scale features in the shallow (tens of meters) subsurface. It is closely related to applied geophysics or exploration geophysics. Methods used include seismic refraction and reflection,… …   Wikipedia

• Keurusselkä — Infobox lake lake name = Keurusselkä image lake = Keurusselka WorldWind.jpg caption lake = Landsat 7 image of the Keurusselkä region. Area where shatter cones have been found is marked with a red ellipse and the suggested impact structure of… …   Wikipedia

• Chicxulub crater — Imaging from NASA s Shuttle Radar Topography Mission STS 99 reveals part of the 180 kilometer (112 mi) diameter ring of the crater; clustered around the crater s trough are numerous sinkholes, suggesting a prehistoric oceanic basin in… …   Wikipedia