搜索结果: 1-15 共查到“固体地球物理学 Anomalies”相关记录27条 . 查询时间(0.109 秒)
Crustal Uplift in the Longmen Shan Mountains Revealed by Isostatic Gravity Anomalies along the Eastern Margin of the Tibetan Plateau
isostatic gravity anomalies crustal uplift Longmen Shan Mountains lower crustal flow foreland basin the eastern margin of the Tibetan Plateau
2018/4/10
This study examines the relationship between high positive isostatic gravity anomalies (IGA), steep topography and lower crustal extrusion at the eastern margin of the Tibetan Plateau. IGA data has re...
Mapping and interpretation of satellite magnetic anomalies from POGO data over the Antarctic region
Antarctic geomagnetic field magnetic field satellites magnetic anomalies
2015/10/8
A satellite magnetic anomaly map made using the POGO magnetic field data is compared to three maps made using Magsat data. A total of 14 anomalies with magnitudes greater than 3 nT can be identified i...
Measurements of vector magnetic anomalies on board the icebreaker Shirase and the magnetization of the ship
shipboard three component magnetometer vector measurements of the geomagnetic field ship's permanent magnetization ship's induced magnetic field
2015/10/8
Vector measurements of the geomagnetic field have been made in the South Indian Ocean since 1988 when a Shipboard Three Component Magnetometer (STCM) was installed on board the icebreaker Shirase by t...
Properties of the geoelectric structure that promote the detectionof electrotelluric anomalies:the case of Ioannina,Greece
Electrotelluric Greece magnetotelluric Mohr circle noise reduction seismic precursor tensor decomposition
2015/9/28
The reliable detection and identification of electrotelluric anomalies that could be considered as precursory phenomena of earthquakes become fundamental aspects of earthquake prediction research. Spe...
Interpretation of magnetic anomalies using the horizontal gradient analytic signal
horizontal gradient analytie signal horizontal derivative vertical derivative interpretation aeromagnetic anomaly magnetic anomaly
2015/9/28
In recent years the analytic signal method has been of great utility in the interpretation of potential field data. The amplitude of the 3D analytic signal of magnetic data yields information on the l...
On the relation between ionospheric winter anomalies and solar wind
Ionospheric winter anomalies solar wind
2015/9/28
There are two different winter anomalies. A small one that appears in connection with ionization at relatively low latitudes in the bottom of the D-region of the ionosphere. There, the electron densit...
Influence of Atlantic SST anomalies on the atmospheric circulation in the Atlantic-European sector
air-sea interaction climate variability Atlantic SST anomalies
2015/9/17
Recent studies of observational data suggest that Sea Surface Temperature (SST) anomalies in the Atlantic Ocean have a significant influence on the atmospheric circulation in the Atlantic-European sec...
An inventory of river anomalies in the Po Plain, Northern Italy:evidence for active blind thrust faulting
tectonic geomorphology drainage anomaly blind thrust Po Plain 1802 Oglio Valley earthquake
2015/9/16
The Po Plain is a low-relief area characterised by active shortening accommodated by blind thrust faulting. In this almost flat region depositional rates are similar to tectonic rates and deformation ...
Background electromagnetic noisein the vicinity 1 Hz as a possible indicatorof earthquake-related anomalies
electromagnetic emission temperature Earth surface impedance earthquake precursor 1 Hz frequency range
2015/9/14
Measurements of space-time distributions of the background emissions in the frequency range 0.5-5 Hz and their seasonal and diurnal variations are presented. The analysis of impedance ratio determines...
The structure of the ophiolitic beltin Albania inferred from geomagnetic anomalies
Total Magnetic Field ophioltic belt 2.5D modelling
2015/9/10
The ground magnetic measurements in Albania were used for the compilation of the Total Magnetic Field (TMF)
anomaly map of Albania. The magnetic data were processed and interpreted in order to study ...
An alternative 3D inversion method for magnetic anomalies with depth resolution
inversion magnetic field weighting function dipolar approximation depth resolution
2015/9/8
This paper presents a new method to invert magnetic anomaly data in a variety of non-complex contexts when a priori information about the sources is not available. The region containing magnetic sourc...
Atmospheric anomalies over Mt.Etna using GPS signal delays and tomography of radio wave velocities
GPS atmospheric anomalies tropospheric delays tomography of radio wave velocities
2015/9/2
Due to the prominent topography of Mt. Etna, the use of satellite geodetic techniques may significantly suffer from atmospheric heterogeneities. This problem mainly affects the DInSAR technique. To ov...
An overview on preseismic anomalies in LF radio signals revealed in Italy by wavelet analysis
LF radio-waves wavelet seismicity precursors
2015/9/1
Since 1996, the electric field strength of the two broadcasting stations MCO (f=216 kHz, southeast France) and
CZE (f=270 kHz, Czech Republic) has been sampled every ten minutes by a receiver (AS) lo...
Potential reasons for ionospheric anomalies detected by nonlinear principal component analysis just before the China Wenchuan earthquake, and their relationship to source conditions
Nonlinear Principal Component Analysis (NLPCA) Principal Component Analysis (PCA) Total Electron Content (TEC),
2015/8/27
Nonlinear principal component analysis (NLPCA) was performed to examine the total electron content (TEC) anomalies for the China Wenchuan earthquake of May 12, 2008 (= 7.9). This was applied to global...
Preliminary analysis of surface temperature anomalies that preceded the two major Emilia 2012 earthquakes (Italy)
Earthquake geology and paleoseismology Seismology: Surveys measurements monitoring Earthquake interactions and probability
2015/8/26
In the 1980's, from an analysis of satellite images, Russian scientists reported on a short-term thermal infrared radiation enhancement that occurred before some medium-to-large earthquakes in central...