Wave and plasma measurements and GPS diagnostics of the main
... Since the first low-orbiting satellites were located in nearEarth orbits, many satellite techniques have been used to monitor the properties and dynamics of ionospheric trough features (Muldrew, 1965; Tulunay and Grebowsky, 1978; Rodger et al., 1992). Moreover, a series of ground-based campaigns usi ...
... Since the first low-orbiting satellites were located in nearEarth orbits, many satellite techniques have been used to monitor the properties and dynamics of ionospheric trough features (Muldrew, 1965; Tulunay and Grebowsky, 1978; Rodger et al., 1992). Moreover, a series of ground-based campaigns usi ...
Exploring the seismic expression of fault zones in 3D
... 3. The fault seismic disturbance zones (SDZ) Conventional interpretation workflows pick faults from offset stratal reflectors on seismic data to create discrete, sub-planar surfaces (Fig. 4a). While this approach certainly tracks the discontinuity and highlight the main fault relative displacement, it ...
... 3. The fault seismic disturbance zones (SDZ) Conventional interpretation workflows pick faults from offset stratal reflectors on seismic data to create discrete, sub-planar surfaces (Fig. 4a). While this approach certainly tracks the discontinuity and highlight the main fault relative displacement, it ...
Calculating Currents in Balanced and Unbalanced
... Unbalanced three phase circuits often present the need to calculate line currents based on knowledge of phase currents and power factors. Another frequently encountered need is the requirement to determine net line currents in a feeder that delivers power to a mix of two or more three phase loads ea ...
... Unbalanced three phase circuits often present the need to calculate line currents based on knowledge of phase currents and power factors. Another frequently encountered need is the requirement to determine net line currents in a feeder that delivers power to a mix of two or more three phase loads ea ...
Receiver Functions of Seismic Waves in Layered Anisotropic Media
... how to calculate synthetic seismograms and receiver functions of seismic body waves propagating into a stratified anisotropic medium. Olivine and enstatite crystals, the major anisotropic minerals in peridotite (which is considered to be a candidate of upper mantle material), possess orthorhombic sy ...
... how to calculate synthetic seismograms and receiver functions of seismic body waves propagating into a stratified anisotropic medium. Olivine and enstatite crystals, the major anisotropic minerals in peridotite (which is considered to be a candidate of upper mantle material), possess orthorhombic sy ...
TRANSIENTS IN CAPACITIVE NETWORKS: THE CHARGING PHASE
... established by the network (note Fig. 11.38) before the switch was closed. It then passes through the transient phase until it reaches the steady-state (or final) level after about five time constants. The steadystate level of the inductor current can be found by substituting its shortcircuit eq ...
... established by the network (note Fig. 11.38) before the switch was closed. It then passes through the transient phase until it reaches the steady-state (or final) level after about five time constants. The steadystate level of the inductor current can be found by substituting its shortcircuit eq ...
- White Rose Research Online
... four tide gauges along the east coast of both the North and South Islands. We used marigrams from these tide gauge stations to determine the travel times of the first arrivals of the tsunami wave field located at Kaikōura (0.11 h), Castlepoint (0.83 h), Wellington (0.95 h) and Christchurch (1.53 h). ...
... four tide gauges along the east coast of both the North and South Islands. We used marigrams from these tide gauge stations to determine the travel times of the first arrivals of the tsunami wave field located at Kaikōura (0.11 h), Castlepoint (0.83 h), Wellington (0.95 h) and Christchurch (1.53 h). ...
TRANSIENTS IN CAPACITIVE NETWORKS: THE CHARGING PHASE
... established by the network (note Fig. 11.38) before the switch was closed. It then passes through the transient phase until it reaches the steady-state (or final) level after about five time constants. The steadystate level of the inductor current can be found by substituting its shortcircuit eq ...
... established by the network (note Fig. 11.38) before the switch was closed. It then passes through the transient phase until it reaches the steady-state (or final) level after about five time constants. The steadystate level of the inductor current can be found by substituting its shortcircuit eq ...
ionospheric irregularities and scintillations
... The WBMOD ionospheric scintillation model (Fremouw and Secan, 1984; Secan et al., 1995) and its upgrades (SCINTMOD) (Secan et al., 1997) contain the worldwide climatology of the ionospheric plasma-density irregularities that cause scintillation (environment model), coupled to a model for the effects ...
... The WBMOD ionospheric scintillation model (Fremouw and Secan, 1984; Secan et al., 1995) and its upgrades (SCINTMOD) (Secan et al., 1997) contain the worldwide climatology of the ionospheric plasma-density irregularities that cause scintillation (environment model), coupled to a model for the effects ...
Crustal structure of northern and southern Tibet from surface wave
... middle crust. In contrast, the velocity models for northern Tibet do not require any lowvelocity zone in the crust. The S wave velocity of the lower crust of southern Tibet is 0.2 km/s faster than the lower crust of northern Tibet. In southern Tibet the sub-Moho velocity increases with a positive g ...
... middle crust. In contrast, the velocity models for northern Tibet do not require any lowvelocity zone in the crust. The S wave velocity of the lower crust of southern Tibet is 0.2 km/s faster than the lower crust of northern Tibet. In southern Tibet the sub-Moho velocity increases with a positive g ...
Print this article - Centre for Digital Scholarship Journals
... tions characterize the Horton Group in this area. The high am plitudes from the overlying volcanics permit identification of a Horton Group top, but the bottom of the sequence cannot be identified accurately because the seismic character of the Horton Group gradually fades away to background seismi ...
... tions characterize the Horton Group in this area. The high am plitudes from the overlying volcanics permit identification of a Horton Group top, but the bottom of the sequence cannot be identified accurately because the seismic character of the Horton Group gradually fades away to background seismi ...
III. Wavelet and Clustering
... Depending on their characteristics and height in the atmosphere, clouds can influence the energy balance in different ways. Clouds can block a significant portion of the Sun’s incoming radiation from reaching the Earth’s surface, as anyone who has had a day at the beach interrupted by heavy clouds c ...
... Depending on their characteristics and height in the atmosphere, clouds can influence the energy balance in different ways. Clouds can block a significant portion of the Sun’s incoming radiation from reaching the Earth’s surface, as anyone who has had a day at the beach interrupted by heavy clouds c ...
Constraining the extent of crust–mantle coupling in central Asia
... goodness of fit and the dominance of left-lateral surface faulting in Tibet, argue for a lithospheric source of anisotropy. The misfit for Yunnan is large for either right- (D/ = 538) or left-lateral (D/ = 498) shear, which argues for complete crust–mantle decoupling in Yunnan. We show that the fast ...
... goodness of fit and the dominance of left-lateral surface faulting in Tibet, argue for a lithospheric source of anisotropy. The misfit for Yunnan is large for either right- (D/ = 538) or left-lateral (D/ = 498) shear, which argues for complete crust–mantle decoupling in Yunnan. We show that the fast ...
Compressional to shear wave conversion in oceanic crust
... interface is a first order discontinuity. We then show with the aid of synthetic seismograms calculated using the reflectivity method that a small transition zone at the top of the basement over which the velocities increase with depth may have a considerable effect on the amount of conversion. In p ...
... interface is a first order discontinuity. We then show with the aid of synthetic seismograms calculated using the reflectivity method that a small transition zone at the top of the basement over which the velocities increase with depth may have a considerable effect on the amount of conversion. In p ...
Singularity detection of the thin bed seismic signals with wavelet
... the wavelet transform vary. The commonly used wavelet functions are orthonormal and compactly supported, but do not have a finite impulse response and linear phase. These features are, however, undesirable for applications in exploration seismology, especially when further subsequent proccssing is r ...
... the wavelet transform vary. The commonly used wavelet functions are orthonormal and compactly supported, but do not have a finite impulse response and linear phase. These features are, however, undesirable for applications in exploration seismology, especially when further subsequent proccssing is r ...
A crustal model of the ultrahigh-pressure Dabie Shan orogenic belt
... Details of the individual sections will be discussed below. Methods of interpretation of seismic refraction data and model uncertainties are discussed by Mooney [1989], who estimates that seismic velocities are accurate to better than 3% and boundary depths (e.g., Moho) are accurate to better than 1 ...
... Details of the individual sections will be discussed below. Methods of interpretation of seismic refraction data and model uncertainties are discussed by Mooney [1989], who estimates that seismic velocities are accurate to better than 3% and boundary depths (e.g., Moho) are accurate to better than 1 ...
The Hawaiian SWELL Pilot Experiment
... During the roughly year-long SWELL pilot experiment in 1997/1998, eight ocean bottom instruments deployed to the southwest of the Hawaiian Islands recorded teleseismic Rayleigh waves with periods between 15 and 70 s. Such data are capable of resolving structural variations within the oceanic lithosp ...
... During the roughly year-long SWELL pilot experiment in 1997/1998, eight ocean bottom instruments deployed to the southwest of the Hawaiian Islands recorded teleseismic Rayleigh waves with periods between 15 and 70 s. Such data are capable of resolving structural variations within the oceanic lithosp ...
High Performance CMOS Transmitters for
... and the number of users in the system. One specific advancement that has had a dramatic effect on wireless communications is the development of integrated circuit technology. The invention of the integrated circuit in the late 1950s by Jack Kilby and Robert Noyce would eventually change the way most ...
... and the number of users in the system. One specific advancement that has had a dramatic effect on wireless communications is the development of integrated circuit technology. The invention of the integrated circuit in the late 1950s by Jack Kilby and Robert Noyce would eventually change the way most ...
Complex seismic trace analysis and its application to time
... However, the time window must have a finite width. The time window should be large enough to make Fourier transform meaningful (Page, 1952). This introduces a resolution problem since there is a tradeoff between the length of time window and the accuracy of frequency estimation. Also, the time windo ...
... However, the time window must have a finite width. The time window should be large enough to make Fourier transform meaningful (Page, 1952). This introduces a resolution problem since there is a tradeoff between the length of time window and the accuracy of frequency estimation. Also, the time windo ...
Deformation in the asthenospheric mantle beneath the Carpathian
... in response to deformation [Nicolas et al., 1973; Long and Becker, 2010]. Observing seismic anisotropy can therefore be used to describe the strain distribution in the upper mantle, in turn, reflecting the deformation patterns, active flow geometry, and also the conditions in which the rock is deforme ...
... in response to deformation [Nicolas et al., 1973; Long and Becker, 2010]. Observing seismic anisotropy can therefore be used to describe the strain distribution in the upper mantle, in turn, reflecting the deformation patterns, active flow geometry, and also the conditions in which the rock is deforme ...
2 - VITO
... bands in the VIS-NIR region with a pixel resolution of 1 m x 1 m. The total length of flight lines acquired is about 50 km; however, this study concentrates on a small part of the imagery collected, i.e. the nature reserve ‘De Westhoek’. Radiometric, geometric and atmospheric corrections were made t ...
... bands in the VIS-NIR region with a pixel resolution of 1 m x 1 m. The total length of flight lines acquired is about 50 km; however, this study concentrates on a small part of the imagery collected, i.e. the nature reserve ‘De Westhoek’. Radiometric, geometric and atmospheric corrections were made t ...
Mantle Discontinuities - Northwestern University
... continues p. Kennett, pers. comm., 19891 on a new radial Earth model (IASPR) to fit global body-wave travel times more closely than the currently-used radial model PREM [Dziewonski and Anderson, 19811 while retaining those features of PREM structure which provide a good fit to free oscillation data. ...
... continues p. Kennett, pers. comm., 19891 on a new radial Earth model (IASPR) to fit global body-wave travel times more closely than the currently-used radial model PREM [Dziewonski and Anderson, 19811 while retaining those features of PREM structure which provide a good fit to free oscillation data. ...
COMPLEX RESISTIVITY TO EVALUATE THE BIOOXIDATION OF
... in refractory ores. In these ores, the gold is surrounded by sulfide minerals that must be removed to expose the gold for cyanide recovery. The use of biooxidation with largescale heap operations has dramatically changed the efficiency and economics of gold recovery. The main problem for using this ...
... in refractory ores. In these ores, the gold is surrounded by sulfide minerals that must be removed to expose the gold for cyanide recovery. The use of biooxidation with largescale heap operations has dramatically changed the efficiency and economics of gold recovery. The main problem for using this ...
4D Seismic Inversion on Continuous Land Seismic Reservoir
... impedance Ip from the total seismic stack. Finally, 4D time shifts are estimated by cross-correlation with a 100 ms sliding window. This technique allows accurate estimation of the time shift value (0.4 ms between April and August 2011), below the reservoir but cannot detect the top and the base of ...
... impedance Ip from the total seismic stack. Finally, 4D time shifts are estimated by cross-correlation with a 100 ms sliding window. This technique allows accurate estimation of the time shift value (0.4 ms between April and August 2011), below the reservoir but cannot detect the top and the base of ...
Sea Surface Temperature Estimation using Visible and Infrared
... Sea surface temperature is often estimated using infrared sensors such as the Advanced HighResolution Radiometer (AVHRR) aboard the National Oceanic and Atmospheric Administration (NOAA) satellite (McMillin and Crosby, 1984). The accuracy, in terms of bias and root mean square difference (RMSD) from ...
... Sea surface temperature is often estimated using infrared sensors such as the Advanced HighResolution Radiometer (AVHRR) aboard the National Oceanic and Atmospheric Administration (NOAA) satellite (McMillin and Crosby, 1984). The accuracy, in terms of bias and root mean square difference (RMSD) from ...
Imaging condition for elastic RTM
... offset and can be corrected based on the acquisition geometry. However, this assumption fails if the reflectors are not horizontal (Du et al., 2012b). An alternative method to correct for the polarity change requires that we compute the incident angles at each image point and then reverse the polari ...
... offset and can be corrected based on the acquisition geometry. However, this assumption fails if the reflectors are not horizontal (Du et al., 2012b). An alternative method to correct for the polarity change requires that we compute the incident angles at each image point and then reverse the polari ...