搜索结果: 1-15 共查到“地球科学总论 gravity”相关记录26条 . 查询时间(0.175 秒)
Adjustment of Gravity Observations towards a Microgal Precision
Calibration Gravimeter Gravity Network Adjustment Modeling
2013/3/11
Gravity observations adjustment is studied having in view to take full advantage of the modern technology of gravity measurement. We present here results of a test performed with the mathematical mode...
Gravity and Aeromagnetic Studies of the Filabusi Greenstone Belt, Zimbabwe Craton: Regional and Geotectonic Implications
Granite-Greenstone Terrain Gravity Anomalies
2013/3/11
The Filabusi greenstone belt (FGB), Zimbabwe craton, has been geologically remapped relatively recently but its regional tectonic setting and subsurface structure have, until now, remained unresolved....
Reformulation of the Vening-Meinesz Moritz Inverse Problem of Isostasy for Isostatic Gravity Disturbances
Crust Gravity Isostasy Moho Interface Spherical Harmonics
2013/3/11
The isostatic gravity anomalies have been traditionally used to solve the inverse problems of isostasy. Since gravity measurements are nowadays carried out together with GPS positioning, the utilizati...
Gravity Interpretation of the Cameroon Mountain (West Central Africa) Based on the New and Existing Data
Mount Cameroon CVL Gravity Anomalies Bouguer Anomalies
2013/3/7
A new gravity survey of the Mount Cameroon area has enabled the definition of four major gravimetric do- mains, which coincide with the recognized structural units. In order to determine the nature of...
Imaging the Deep Structure of the Central DeathValley Basin Using Receiver Function, Gravity,and Magnetic Data
Bright Spot Crustal Models Data Incorporation Death Valley Magmatic Underplating
2013/3/7
We use receiver function, gravity, and magnetic data to image the deep structures of central Death Valley. Receiver function analysis suggests the Moho is 24 km deep in the central part of the basin a...
Crustal Structure of the Salton Trough: Incorporation of Receiver Function, Gravity and Magnetic Data
Data Incorporation Crustal Models Magmatic Body Salton Trough
2013/3/7
The Salton Trough of southwestern California is inferred to be an incipient ocean basin, and is a polyphase basin with significant extension in addition to dextral shear. To further explore the origin...
Lineaments Extraction from Gravity Data by Automatic Lineament Tracing Method in Sidi Bouzid Basin (Central Tunisia): Structural Framework Inference andHydrogeological Implication
Gravity Lineaments Extraction Tunisia Hydrogeology
2013/3/7
The gravity method may be used in the exploration of deep sedimentary basins. It allows the structuring and the lateral and vertical extent of sedimentary fill to be determined. This study has concern...
Surface and Subsurface Characteristics of the Çankırı Basin (Central Anatolia, Turkey): Integration of Remote Sensing, Seismic Interpretation and Gravity
Remote Sensing data integration subsurface geology seismic interpretation gravity Ç ankı rı Basin central Anatolia
2010/10/14
The geology of the Çankırı Basin has been studied using multi-source data including satellite images, aerial photos, gravimetric data and seismic sections, which are subsequently used...
An experimental study of particle-driven gravity currents on steep slopes with entrainment of particles
particle-driven gravity currents steep slopes entrainment of particles
2009/12/9
Results of laboratory experiments are presented in which a finite suspension of sawdust particles was released instantaneously into a rectangular channel immersed in a water tank. Two kinds of gravity...
Further study on the role of atmospheric gravity waves on the seismo-ionospheric perturbations as detected by subionospheric VLF/LF propagation
Further study atmospheric gravity waves seismo-ionospheric perturbations VLF/LF propagation
2009/12/8
As the target earthquake we have taken a huge earthquake (EQ) named Miyagi-oki earthquake on 16 August 2005 (with magnitude of 7.2) and we have analyzed the 4 month period including the date of this E...
Subaqueous sediment gravity flows undergoing progressive solidification
Subaqueous sediment gravity flows progressive solidification
2009/12/3
The flow-out potential of a body of fluidized sediment following abrupt collapse is discussed through numerical and physical modelling. The emphasis of the analysis procedure is placed on considering ...
New perspectives on gravity wave remote sensing by spaceborne infrared limb imaging
New perspectives gravity wave remote sensing spaceborne infrared limb imaging
2010/2/8
Gravity wave (GW) remote sensing from space now has reached a stage of maturity that some first confinements for GW modeling can be deduced. This is in particular due to global distributions of absolu...
Observation evidences of atmospheric Gravity Waves induced by seismic activity from analysis of subionospheric LF signal spectra
Observation evidences atmospheric Gravity Waves seismic activity LF signal spectra
2009/12/30
We analyze variations of the LF subionospheric signal amplitude and phase from JJY transmitter in Japan (F=40 kHz) received in Petropavlovsk-Kamchatsky station during seismically quiet and active peri...
Globally covering a-priori regional gravity covariance models
GOCE mission Covariance function Spacewise approach`
2010/1/22
Gravity anomaly data generated using Wenzel’s GPM98A model complete to degree 1800, from which OSU91A has been subtracted, have been used to estimate covariance functions for a set of globally coverin...
Space gravity spectroscopy:the benefits of Taylor-Karman structured criterion matrices
data validation 3D correlation tensor homogeneous and isotropic correlation functions Taylor-Karman structure CHAMP
2010/1/22
As soon as a space gravity spectroscopy was successfully performed, for instance by means of semicontinuous ephemeris of LEO - GPS tracked satellites, the problem of data validation appeared. It is fo...