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The work focuses on time series analysis application through the high temporary resolution imagery from the SENTINEL 1A/1B mission. The analysis of surface subsidence in open pit mining area was performed by the selected InSAR approach small baseline InSAR. This methodology allows for continuous monitoring of the mining area.
Synthetic aperture radar (SAR) interferometry (InSAR) is a powerful technology, which can obtain high precise elevation and surface deformation along the line of sight (LOS) using phase information from different SAR images. DInSAR technique has been applied to monitor the surface movement in coal mining areas (Ng et al., 2009, Ge et al., 2007).
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The defection of single data source can be solved with fusion between TM and SAR images. It provides a better solution for land surface monitoring in the mining areas. Results of experiment showed that the fusion images can be integrated the advantages of each one, enhanced the recognition ability of features, improved land use/land cover ...
Highintensity underground mining generates considerable surface subsidence in mining areas, including ground cracks and collapse pits on roads and farmland, threatening the safety of buildings. Largeamplitude subsidence (, >2 m) is usually characterized by a large phase gradient in interferograms, leading to severe phase decorrelation and unwrapping errors.
The results are generally consistent with the maximum mining subsidence of~ m in the same mining area presented by Fan et al. [50] using 11 TerraSARX SAR images acquired from 13 December ...
A variety of deformation surveying techniques have been extensively used for measuring the pattern of ground subsidence. These include precise levelling, total station traversing, aerial photogrammetry and GPS surveys. The impact on the surface infrastructure of underground coal mining to the southwest of Sydney is continuously monitored using a combination of these techniques.
images, fusion technology of TM and SAR images, could be favorable of dynamic monitoring for the ecological environment in mining areas, and provided basic data for exploitation of mining resources. observation is superior, and la *Corresponding author. 1. INTRODUCTION . Since largescale mining and the impact of human activities, the
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Coal is a combustible black or brownishblack sedimentary rock, formed as rock strata called coal is mostly carbon with variable amounts of other elements; chiefly hydrogen, sulfur, oxygen, and nitrogen. Coal is formed when dead plant matter decays into peat and is converted into coal by the heat and pressure of deep burial over millions of years.
Nov 01, 2011· Using ERS1/2 Tandem and JERS1 L band images captured between 1993 and 1995, combined with GIS, some quantitative analysis was made on land subsidence in Appin area caused by long wall coal mining . Hoffmann studied the land subsidence of Antelope valley in California caused by pumping the geothermal water to generate power [5] .
A monitoring framework for land use around kaolin mining areas through Landsat TM images Satellite based mine rehabilitation monitoring using WorldView2 imagery Application of advanced InSAR techniques to detect vertical and horizontal displacements
EOS has created a digital online Platform providing efficient tools for searching, processing, and analyzing large amounts of satellite data. As a result, you will get valuable insights allowing you to quickly respond to changes, make reliable decisions, and meet real business challenges.
The data is used to support a wide range of applications in such areas as global change research, agriculture, forestry, geology, resource management, geography, mapping, hydrology, and oceanography. Satellite Imaging Corporation is an official Value Added Reseller (VAR) of imaging and geospatial data products for:
Feb 17, 2010· With the fast development of remote sensor technologies, the appearance of Very High Resolution (VHR) optical sensors, SAR, LiDAR, etc., mounted on either airborne or spaceborne platforms, multisource remote sensing data fusion techniques are emerging due to the demand for new methods and algorithms. The general fusion techniques have been well developed and applied in .
Decision Fusion of DInSAR and Pixel Offset Tracking for Coal Mining Deformation Monitoring. by Depin Ou, Kun Tan, Qian Du, ... to process the ENVISAT SAR images from 2003–2010, and the Small Baseline Subset (SBAS) InSAR to process the Sentinel1A images from 2015–2016. ... the advanced synthetic aperture radar (SAR) interferometry (InSAR ...
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Subsidence is the sudden sinking or gradual downward settling of the ground''s surface with little or no horizontal motion. The definition of subsidence is not restricted by the rate, magnitude, or area involved in the downward movement. It may be caused by natural processes or by human activities.
The Moderate Resolution Imaging Spectroradiometer (MODIS) is known as an imaging device launched into globe orbit by means of NASA [].The devices capture records in 36 spectral bands varying in wavelength starting from ×10 −6 m to ×10 −6 m and at varying spatial motions. The Atmospheric Infrared Sounder, AIRS, is a service tool whose objective is to help climate study and develop ...
Photonic integrated circuits for Department of Defenserelevant chemical and biological sensing applications: stateoftheart and future outlooks. Optical Engineering (2019) Innovation in the aerospace and defense industry (Conference Presentation) Proceedings of SPIE (2020)
Landslide monitoring is important for geological disaster prevention, where Synthetic Aperture Radar (SAR) images have been widely used. Compared with the Interferometric SAR (InSAR) technique, intensitybased offset tracking methods (, Normalized CrossCorrelation method) can overcome the limitation of InSAR''s maximum detectable ...
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Mercury is a chemical element with the symbol Hg and atomic number 80. It is commonly known as quicksilver and was formerly named hydrargyrum (/ h aɪ ˈ d r ɑːr dʒ ər ə m / hyDRARjərəm). A heavy, silvery dblock element, mercury is the only metallic element that is liquid at standard conditions for temperature and pressure; the only other element that is liquid under these ...
The paper chooses Genhe, Inner Mongolia as the research area. Based on ArcGIS and ENVI software, the TM images of 2000、2004 and 2010, the decision tree classification was applied to interpret the images, and the land use data of 2000、2004 and 2010 were obtained. The land use transformation matrix and land use dynamic degree were analyzed further.
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