Mantle-driven deformation of orogenic zones and clutch tectonics
... is also recorded by GPS data, although the signal contains both transient elastic deformation of the crust and shallow mantle (i.e. seismic cycle) and permanent tectonic strain due to plate motions. Standard kinematic analysis of structural geological data allows one to constrain three-dimensional, ...
... is also recorded by GPS data, although the signal contains both transient elastic deformation of the crust and shallow mantle (i.e. seismic cycle) and permanent tectonic strain due to plate motions. Standard kinematic analysis of structural geological data allows one to constrain three-dimensional, ...
The Canadian Rockies and Alberta Network (CRANE)
... Geologic, seismic and magnetic data in this region have suggested complex crustal domains, conductive anomalies and major seismic velocity gradients in the mantle. However, the nature of the boundaries between the basement domains and their vertical extents remain controversial due to the lack of ex ...
... Geologic, seismic and magnetic data in this region have suggested complex crustal domains, conductive anomalies and major seismic velocity gradients in the mantle. However, the nature of the boundaries between the basement domains and their vertical extents remain controversial due to the lack of ex ...
VS and density structure beneath the Colorado Plateau constrained
... P receiver functions are computed for the time range 10 ≤ t ≤ 50 s by deconvolving the vertical from the radial component using the iterative method of Ligorria and Ammon [1999] with a Gaussian filter width of 1.5 and up to 200 iterations. If the RMS misfit to the filtered radial component is great ...
... P receiver functions are computed for the time range 10 ≤ t ≤ 50 s by deconvolving the vertical from the radial component using the iterative method of Ligorria and Ammon [1999] with a Gaussian filter width of 1.5 and up to 200 iterations. If the RMS misfit to the filtered radial component is great ...
PDF file - Center for Hydrometeorology and Remote Sensing
... hence, not many nations have weather radar. In addition, as discussed by Aghakouchak et al. (2011), radar coverage is limited, especially over high terrain and mountainous areas. In recent years, a number of satellite-based precipitation estimation products with high spatial (quarter latitude/longit ...
... hence, not many nations have weather radar. In addition, as discussed by Aghakouchak et al. (2011), radar coverage is limited, especially over high terrain and mountainous areas. In recent years, a number of satellite-based precipitation estimation products with high spatial (quarter latitude/longit ...
the dynamic market for remotely sensed data
... information derived from weather satellites has quickly spread to other sectors as the imagery became ubiquitous, appearing on our TV’s and now our computers continuously. By the late 1990’s, government procured and disseminated satellite weather information provided the basis for a $200-$250 millio ...
... information derived from weather satellites has quickly spread to other sectors as the imagery became ubiquitous, appearing on our TV’s and now our computers continuously. By the late 1990’s, government procured and disseminated satellite weather information provided the basis for a $200-$250 millio ...
Rheology and Tectonic Significance of Serpentinite
... takes to diffuse heat away from asperities, the resulting “flash heating” can produce dramatic weakening. Kohli et al.’s experiments indicate that weakening occurs at a critical weakening velocity (Vw), at which dehydration of serpentine to talc occurs at asperities (500–700 o C). Based on extrapola ...
... takes to diffuse heat away from asperities, the resulting “flash heating” can produce dramatic weakening. Kohli et al.’s experiments indicate that weakening occurs at a critical weakening velocity (Vw), at which dehydration of serpentine to talc occurs at asperities (500–700 o C). Based on extrapola ...
DC-DC Converters Feedback and Control
... Feedback generalities Conditions for stability Poles and zeros Phase margin and quality coefficient Undershoot and crossover frequency Compensating the converter Compensating with a TL431 Watch the optocoupler! Compensating a DCM flyback Compensating a CCM flyback Simulation an ...
... Feedback generalities Conditions for stability Poles and zeros Phase margin and quality coefficient Undershoot and crossover frequency Compensating the converter Compensating with a TL431 Watch the optocoupler! Compensating a DCM flyback Compensating a CCM flyback Simulation an ...
Three-dimensional ionospheric tomography of post
... retrieved by TEC data at low elevation angles because of the structure of this perturbation. So, multipath effects must be corrected on filtered TEC data before inversion. In order to correct for the multipath effects, which may reach the same amplitude as expected signals, we developed a method der ...
... retrieved by TEC data at low elevation angles because of the structure of this perturbation. So, multipath effects must be corrected on filtered TEC data before inversion. In order to correct for the multipath effects, which may reach the same amplitude as expected signals, we developed a method der ...
Moreno, MS
... [2] Contemporary deformation along active subduction margins primarily responds to the phases of the earthquake cycle [e.g., Thatcher and Rundle, 1979; Thatcher, 1984]. This cycle is a transient and repetitive process conditioned by the mechanical coupling between the continental and oceanic plates. ...
... [2] Contemporary deformation along active subduction margins primarily responds to the phases of the earthquake cycle [e.g., Thatcher and Rundle, 1979; Thatcher, 1984]. This cycle is a transient and repetitive process conditioned by the mechanical coupling between the continental and oceanic plates. ...
Segmentation of UAV-based images incorporating
... developed method was tested using two data sets obtained with UAV images with a ground resolution of around 1-2 cm. The developed method accurately segmented most of the building elements when compared to the plane-based segmentation using 3D point cloud alone. ...
... developed method was tested using two data sets obtained with UAV images with a ground resolution of around 1-2 cm. The developed method accurately segmented most of the building elements when compared to the plane-based segmentation using 3D point cloud alone. ...
Crustal motion in the Southern Andes (26°–36°S): Do the Andes
... (Global Positioning System) geodesy promise new insight into the incremental processes that actively deform continents and, over geologic time, construct mountains. For continental regions associated with plate boundaries such as the Andes of South America, an interpretive challenge in relating the ...
... (Global Positioning System) geodesy promise new insight into the incremental processes that actively deform continents and, over geologic time, construct mountains. For continental regions associated with plate boundaries such as the Andes of South America, an interpretive challenge in relating the ...
Crust and Upper Mantle Velocity Structure of the Yellowstone Hot
... mean phase velocities of the regions are independently resolved. At periods >75 s, the phase velocities between the regions cannot be independently resolved. inversion with the two dimensional inversions (Figure 4). For wave periods >50 s, no significant perturbations to the regionalized phase veloc ...
... mean phase velocities of the regions are independently resolved. At periods >75 s, the phase velocities between the regions cannot be independently resolved. inversion with the two dimensional inversions (Figure 4). For wave periods >50 s, no significant perturbations to the regionalized phase veloc ...
reprint - Richard Allen
... could then input an acceptable bandpass and grade them as excellent, good, average, poor, or rejected. To achieve good or excellent grades, the correlation needed to show a clear dispersive waveform around 3 km/s and a relatively smooth and continuous dispersion curve. The paths were then further se ...
... could then input an acceptable bandpass and grade them as excellent, good, average, poor, or rejected. To achieve good or excellent grades, the correlation needed to show a clear dispersive waveform around 3 km/s and a relatively smooth and continuous dispersion curve. The paths were then further se ...
Temporal changes in seismic velocity of the crust around Iwate... as inferred from analyses of repeated active seismic experiment data
... of Iwate volcano (Nishimura et al., 2000a; Tanaka et al., 2002b). Two broadband seismometers of STS-2 (Streckesen) were installed at MTI and GNB stations, and their signals were digitized at each site with a sampling rate of 0.02 s and an A/D resolution of 24 bit by a portable data logger of LS8000W ...
... of Iwate volcano (Nishimura et al., 2000a; Tanaka et al., 2002b). Two broadband seismometers of STS-2 (Streckesen) were installed at MTI and GNB stations, and their signals were digitized at each site with a sampling rate of 0.02 s and an A/D resolution of 24 bit by a portable data logger of LS8000W ...
Slow strain waves in blocky geological media from GPS and
... have found a synchronous quasi-periodic variation of seismicity in equally spaced clusters with spatial periods of 3.5 and 7.26◦ comparable with the length of slow strain waves. The geodetic observations at GPS sites in proximity to local active faults show that in a number of cases, the GPS site co ...
... have found a synchronous quasi-periodic variation of seismicity in equally spaced clusters with spatial periods of 3.5 and 7.26◦ comparable with the length of slow strain waves. The geodetic observations at GPS sites in proximity to local active faults show that in a number of cases, the GPS site co ...
HEF4046B 1. General description Phase-locked loop
... when this type of phase comparator is used, because both p and n-type output drivers are OFF for most of the signal input cycle. It should be noted that the PLL lock range for this type of phase comparator is equal to the capture range, independent of the low-pass filter. With no signal present at t ...
... when this type of phase comparator is used, because both p and n-type output drivers are OFF for most of the signal input cycle. It should be noted that the PLL lock range for this type of phase comparator is equal to the capture range, independent of the low-pass filter. With no signal present at t ...
Electrical conductivity structure of the Alpine Fault and its
... but one of the planned measurement sites were occupied. Remote-reference techniques [Gamble et al., 1979] as implemented by Phoenix geophysics were used for MT data processing. As a precaution to mitigate the possible effect of current fluctuations in the high power DC transmission line (located abo ...
... but one of the planned measurement sites were occupied. Remote-reference techniques [Gamble et al., 1979] as implemented by Phoenix geophysics were used for MT data processing. As a precaution to mitigate the possible effect of current fluctuations in the high power DC transmission line (located abo ...
california state university, northridge rayleigh wave tomography
... event of extensional tectonism that had started in early-middle Miocene time along with about 100o of clockwise rotation of the WTR belt causing the displacement of the gently deformed Nicolas forearc belt to the west (Luyendyk, 1991; Bohannon and Geist, 1998). The rotation of the WTR and the transl ...
... event of extensional tectonism that had started in early-middle Miocene time along with about 100o of clockwise rotation of the WTR belt causing the displacement of the gently deformed Nicolas forearc belt to the west (Luyendyk, 1991; Bohannon and Geist, 1998). The rotation of the WTR and the transl ...
Thermal Physical Property-Based Fusion of Geostationary
... We adopt a multiwavelet image fusion algorithm to extract the fine textural features from the VIS image and impose them on the IR image. This multi-resolution approach enables the decomposition of the source images into multiple resolution scales such that the structural details of the VIS image are ...
... We adopt a multiwavelet image fusion algorithm to extract the fine textural features from the VIS image and impose them on the IR image. This multi-resolution approach enables the decomposition of the source images into multiple resolution scales such that the structural details of the VIS image are ...
What does Remote Sensing Do for Ecology?
... FOREST-BGC was a conscious attempt to describe forest ecosystem processes with minimal complexity, and to use satellite and climatological data as input variables. Mapping o f annual evapotranspiration and net photosynthesis o f a 1200 km^ area o f Montana coniferous forests was accomplished using t ...
... FOREST-BGC was a conscious attempt to describe forest ecosystem processes with minimal complexity, and to use satellite and climatological data as input variables. Mapping o f annual evapotranspiration and net photosynthesis o f a 1200 km^ area o f Montana coniferous forests was accomplished using t ...
Dynamic constraints on the crustal-scale rheology of the Zagros fold
... are several layers that are composed of relatively weak rocks such as evaporites or shales (Figs. 1B and 1C; see detailed descriptions in McQuarrie, 2004; Sherkati et al., 2006; Mouthereau et al., 2007). A second set of simulations took this finescale rheological structure into account (Fig. 3). The ...
... are several layers that are composed of relatively weak rocks such as evaporites or shales (Figs. 1B and 1C; see detailed descriptions in McQuarrie, 2004; Sherkati et al., 2006; Mouthereau et al., 2007). A second set of simulations took this finescale rheological structure into account (Fig. 3). The ...
... is being developed to provide medium and short range wireless communications with a sort of advantages if compared with Bluetooth WPAN (IEEE 802.15.1) [1]. The spectrum of the 60 GHz WPAN is allocated from 57 − 66 GHz (in Europe) allowing a huge spectral capacity of the link. In addition, the 60 GHz ...
Lasting mantle scars lead to perennial plate tectonics
... Supplementary Fig. 4 shows the material deformation after 270 km of shortening for the rheological parameters given in Supplementary Table 2. The UC weak zones in Supplementary Fig. 4a generate strong folding of the crust. The changing patterns of stress build-up shifts to produce pseudo-subduction ...
... Supplementary Fig. 4 shows the material deformation after 270 km of shortening for the rheological parameters given in Supplementary Table 2. The UC weak zones in Supplementary Fig. 4a generate strong folding of the crust. The changing patterns of stress build-up shifts to produce pseudo-subduction ...
Fractional/Integer-N PLL Basics
... Frequency Synthesis is the engineering discipline dealing with the generation of multiple signal frequencies, all derived from a common reference or time base. The time base used is typically a Temperature Compensated Crystal Oscillator (TCXO). The TCXO provides a reference frequency to the synthesi ...
... Frequency Synthesis is the engineering discipline dealing with the generation of multiple signal frequencies, all derived from a common reference or time base. The time base used is typically a Temperature Compensated Crystal Oscillator (TCXO). The TCXO provides a reference frequency to the synthesi ...
Do faults trigger folding in the lithosphere
... on the possibility of folding in highly faulted media. In this study, we demonstrate that folding can "survive" faulting and that both processes may develop concurrently, so that faulting may serve as a mechanism of folding in the brittle domain. We support this hypothesis by direct numerical modeli ...
... on the possibility of folding in highly faulted media. In this study, we demonstrate that folding can "survive" faulting and that both processes may develop concurrently, so that faulting may serve as a mechanism of folding in the brittle domain. We support this hypothesis by direct numerical modeli ...