搜索结果: 1-10 共查到“地球物理学 Subsurface”相关记录10条 . 查询时间(0.047 秒)
Applications of hydrogeophysics in characterization of subsurface architecture and contaminant plumes
Geophysical methods Hydrogeophysics Groundwater
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2018/3/23
Geophysical methods have been applied to a wide range of hydrogeological problems. With improvement in geophysical inversion algorithms and measurement tools, significant achievements have been made i...
Magneto-seismic interpretation of subsurface volcanism in the Gaeta Gulf (Italy,Tyrrhenian Sea)
Gaeta Gulf 41°N parallel buried volcanism inverted magnetic anomalies reflection seismics
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2015/9/8
The occurrence of a former subaerial volcanic edifice off the Volturno River (Tyrrhenian Sea, Gulf of Gaeta) in the 41°N parallel is suggested by joint interpretation of multichannel seismic lines and...
Seismic reflection data in the Umbria Marche Region:limits and capabilities to unravel the subsurface structure in a seismically active area
seismic reflection data upper crust structure deformation style
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2015/9/1
Before seismic data were made available, the subsurface setting of the Umbria-Marche area was mainly derived from the extrapolation of surface data and from models resulting from analogies with other ...
Shallow subsurface geology and Vs characteristics of sedimentary units throughout Rasht City, Iran
Shear wave velocity Vs 30 NEHRP site classification Rasht Iran
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2015/8/28
The Manjil-Rudbar earthquake of June 1990 caused widespread damage to buildings in the city of Rasht located 60 km from the epicenter. Seismic surveys, including refraction P-wave, S-wave and downhole...
Accounting for prediction uncertainty when inferring subsurface fault slip
Inverse theory Probability distributions Earthquake source observations
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2014/4/9
This study lays the groundwork for a new generation of earthquake source models based on a general formalism that rigorously quantifies and incorporates the impact of uncertainties in fault slip inver...
MERIS, MODIS and ETM+ Channel Configurations in the Estimation of Lake Water Quality from Subsurface Reflectance Using Semi-analytical and Empirical Algorithms
reflectance water quality inversion channel ratios lakes remote sensing
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2009/6/9
We studied the estimation of lake water quality from measured subsurface reflectances in order to find out the potential of the channel configurations of three satellite instruments (MERIS, MODIS and ...
Modeling of the 3-D subsurface structure around damaged area due to the 1909 Anegawa earthquake using gravity survey
gravity survey 3-D subsurface structure estimation of strong ground motions 1909 Anegawa earthquake
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2009/3/5
It is important to understand the detailed 3-D subsurface structure to estimate the strong ground motions. For this purpose, we will confirm the usability of the gravity survey and propose a process f...
Development of subsurface positioning system using electromagnetic method
electromagnetic methods magnetic field subsurface pipe
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2009/3/5
It is useful to employ jacking method for construction of lifelines. We have developed an electromagnetic positioning system of underground pipes at the depth between 10 and 15 m. This system consists...
Long-period ground motion and deep subsurface structure in Hokkaido: A review
Long-period ground motion Basin-induced surface wave Basin-transduced surface wave Deep subsurface structure
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2009/3/5
We review studies of long-period ground motion and surveys of deep subsurface structure in Hokkaido. The long-period ground motion studies have been begun by using JMA strong-motion records. The recor...
Subsurface Airflow Induced by Natural Forcings
Airflow Unsaturated zone Natural forcings
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2007/12/19
Subsurface airflow can be induced by natural processes，such as atmospheric or barometric pressure changes， water table fluctuations，topographic effects，and rainfall infiltration．Barometric pressure fl...