نتایج جستجو برای: dinsar technique
تعداد نتایج: 611683 فیلتر نتایج به سال:
In the last few years, several advances have been made in the use of radar images to detect, map and monitor ground deformations. DInSAR (Differential Synthetic Aperture Radar Interferometry) and A-DInSAR/PSI (Advanced DInSAR/Persistent Scatterers Interferometry) technologies have been successfully applied in the study of deformation phenomena induced by, for example, active tectonics, volcanic...
Ocean tide loading (OTL) causes crustal displacements in coastal regions, and the relative variation of these ground displacements may reach several centimeters across differential interferometric synthetic aperture radar (DInSAR) interferograms. However, orbit errors seriously affect the analysis of long-wavelength crustal deformation signals such as the OTL effect because of their similar sig...
In this research, a technique to estimate the volume change by using Differential Interferometric Synthetic Aperture Radar (DInSAR) is proposed to retrieve the volume change of long-term continuously land deformation (subsidence or uplift). This technique is employed to investigate subsidence of Bandung city, Indonesia to demonstrate the capability of this technique by assessing two Japanese L ...
Satellite differential interferometric synthetic aperture radar (DInSAR) has already demonstrated its potential to map co-, postand inter-seismic deformation since its successful application to the 1992 Landers Earthquake. The Ms 8.0 Wenchuan Earthquake, which occurred on 12 May 2008, was the strongest earthquake to strike China since the 1976 Tangshan earthquake. The devastation of the quake w...
Climate change and overpopulation have led to an increase in water demands worldwide. As a result, land subsidence due groundwater extraction level decline is causing damage communities arid semiarid regions. The agricultural plain of Samalghan Iran has recently experienced wide areas subsidence, which hypothesized be caused by overexploitation. This hypothesis was assessed estimating the amoun...
The Institut Cartogràfic de Catalunya (ICC) has developed an automatic advanced DInSAR processor (DISICC) for subsidence monitoring of large areas using data acquired by ERS-1/2, ENVISAT, and the future ALOS, TerraSAR-X and Radarsat 2 satellites. This processor performs the co-registration, interferogram generation, filtering, topographic cancellation, linear deformation model adjustment and no...
Differential synthetic aperture radar interferometry (D-InSAR), is a remote sensing technique that could measure earth surface deformation and has gained extensive use along with its development as a technique and subject, from classical to advanced DInSAR. The main principles of both were concisely depicted and the differences and relations between highlighted. Then an introductive review conc...
We present a Differential Synthetic Aperture Radar Interferometry (DInSAR) technique for generating displacement maps and deformation time-series by exploiting the SAR data acquired by the ERS and ENVISAT/ASAR systems. The proposed approach extends the Small Baseline Subset (SBAS) algorithm and is based on an easy but effective combination of ERS/ERS and ENVISAT/ENVISAT multilook interferograms...
The paper focuses on the measurement of land subsidence and, more generally, of land deformation phenomena using the differential interferometric SAR (Synthetic Aperture Radar) technique (DInSAR). The paper begins with a concise description of the properties of the differential interferometric phase, which represents the information source for the estimation of the terrain deformation phenomena...
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