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Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams.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 JERS-1 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] .
Feb 17, 2010· With the fast development of remote sensor technologies, e.g. the appearance of Very High Resolution (VHR) optical sensors, SAR, LiDAR, etc., mounted on either airborne or spaceborne platforms, multi-source 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 .
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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).
Jul 19, 2012· According to the FAO Global Forest Resource Assessment (FAO 2006a), forest is defined by the presence of trees with land covering more than 0.5 ha.The trees should be able to reach a minimum height of 5 m in situ and a canopy cover of at least 10%. For the purposes of national forest accounting and management, Indonesian forest is defined as an area with a minimum mapping unit of .
NLCD (the National Land Cover Database) is a 30-m Landsat-based land cover database spanning 8 epochs (1992, 2001, 2004, 2006, 2008, 2011, 2013 and 2016). 1992 data are primarily based on unsupervised classification of Landsat data, while the rest of the images rely on the ...
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, intensity-based offset tracking methods (e.g., Normalized Cross-Correlation method) can overcome the limitation of InSAR's maximum detectable ...
Proceedings of FRINGE'15: Advances in the Science and Applications of SAR Interferometry and Sentinel-1 InSAR Workshop. Editor L. Ouwehand. Citations. The .
SPIE Digital Library Proceedings. CONFERENCE PROCEEDINGS Papers Presentations
Fuzhou, China 29 June – 1 July 2011 IEEE Catalog Number: ISBN: CFP1184K-PRT 978-1-4244-8352-5 2011 IEEE International Conference on Spatial Data
High-intensity underground mining generates considerable surface subsidence in mining areas, including ground cracks and collapse pits on roads and farmland, threatening the safety of buildings. Large-amplitude subsidence (e.g., >2 m) is usually characterized by a large phase gradient in interferograms, leading to severe phase decorrelation and unwrapping errors.
A monitoring framework for land use around kaolin mining areas through Landsat TM images Satellite based mine rehabilitation monitoring using WorldView-2 imagery Application of advanced InSAR techniques to detect vertical and horizontal displacements
Photonic integrated circuits for Department of Defense-relevant chemical and biological sensing applications: state-of-the-art and future outlooks. Optical Engineering (2019) Innovation in the aerospace and defense industry (Conference Presentation) Proceedings of SPIE (2020)
RS can be used to monitor land use/cover change, extract ... analysis in mining areas. By the fusion of Landsat TM and SAR ... xiaolou mine under the Xuzhou Mining Group. Figure1 are the images of ...
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 0.4×10 −6 m to 14.4 ×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 ...
Decision Fusion of D-InSAR 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 Sentinel-1A images from 2015–2016. ... the advanced synthetic aperture radar (SAR) interferometry (InSAR ...
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.
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The results are generally consistent with the maximum mining subsidence of~4.478 m in the same mining area presented by Fan et al. [50] using 11 TerraSAR-X SAR images acquired from 13 December ...
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 / hy-DRAR-jər-əm). A heavy, silvery d-block 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 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:
CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): 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 ...
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