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Showing 1-25 of 8,474 resultsfor "Index Terms":Geology
"Index Terms":Geology
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Development of SBG Operational Algorithms for Elevated Temperature Detection and Volcanic Activity
IGARSS 2024 - 2024 IEEE International Geoscience and Remote Sensing Symposium
Year: 2024 | Conference Paper |
The 2017-2027 Decadal Survey for Earth Science and Applications from Space identified Surface Biology and Geology (SBG) as a key Designated Observable to be addressed with a future Earth mission concept. The thermal infrared (TIR) aspect of this new mission includes, for the first time, the development and production of thermal and volcanic standard data products: Level-3 Elevated Temperature Feat...Show More
Mapping Subsurface Geology in Sahara Using L-Band SAR: First Results From the ALOS/PALSAR Imaging Radar
Within the framework of Kyoto & Carbon Initiative of the Japanese Space Agency (JAXA), we used JERS-1 and ALOS/PALSAR radar images to build regional and continental scale mosaics of Sahara. The unique capability of L-band SAR to map subsurface structures in arid areas revealed previously unknown geological features: craters, faults, paleo-rivers. The latter are of particular interest for water res...Show More
Relationship Between PALSAR Backscatter and Surface-Roughness Parameters From Iron Laterites in CarajÁs, Amazon Region
Arnaldo de Queiroz da Silva;Waldir R. Paradella;Corina C. Freitas;Cleber Gonzales de Oliveira
The objective of this investigation was to evaluate the influence of micro- and macrotopography on PALSAR fine-beam dual backscattering in the characterization of iron laterites in Carajas Province, Amazon Region. The moderate linear correlation between sigma0 and surface roughness indicated that, only for L-HH polarization, sigma0 was modulated by the morphology of the geological surfaces.Show More
NASA's Surface Biology and Geology Concept Study: Status and Next Steps
David R. Thompson;David S. Schimel;Benjamin Poulter;Ian Brosnan;Simon J. Hook;Robert O. Green;Nancy Glenn;Liane Guild;Christopher Henn;Kerry Cawse-Nicholson;Ray Kokaly;Christine Lee;Jeffrey Luvall;Charles E. Miller;Jamie Nastal;Ryan Pavlick;Benjamin Phillips;Fabian Schneider;Stephanie Schollaert Uz;Shawn Serbin;Natasha Stavros;Philip Townsend;Woody Turner;Kevin Turpie;Weile Wang;the SBG Research and Applications team
IGARSS 2020 - 2020 IEEE International Geoscience and Remote Sensing Symposium
Year: 2020 | Conference Paper |
Cited by: Papers (7)
The National Academies Decadal Survey for Earth Science recommended that NASA pursue global imaging spectroscopy and thermal infrared measurements in the coming decade [1]. Both measurements would offer repeat coverage on approximately five-day to biweekly cadence, with comprehensive coverage of the globe's coastal and terrestrial area. This would be an unprecedented volume of data with the potent...Show More
NASA's Surface Biology and Geology Concept Study: Status and Next Steps
David R. Thompson;David S. Schimel;Benjamin Poulter;Ian Brosnan;Simon J. Hook;Robert O. Green;Nancy Glenn;Liane Guild;Christopher Henn;Kerry Cawse-Nicholson;Ray Kokaly;Christine Lee;Jeffrey Luvall;Charles E. Miller;Jamie Nastal;Ryan Pavlick;Benjamin Phillips;Fabian Schneider;Stephanie Schollaert Uz;Shawn Serbin;Natasha Stavros;Philip Townsend;Woody Turner;Kevin Turpie;Weile Wang;the SBG Research and Applications team
Year: 2020 | Conference Paper |
Mapping subsurface geology in Arid Africa using L-band SAR
2007 IEEE International Geoscience and Remote Sensing Symposium
Year: 2007 | Conference Paper |
Cited by: Papers (4)
Using L-band SAR data from JERS-1 and ALOS, we produce regional mosaics of Sahara in order to map subsurface geology. A first mosaic of eastern Sahara using more than 1600 JERS-1 scenes allowed the discovery of unknown paleo-rivers, faults, and impact craters. On-going work concerns a new Lband high-quality mosaic of the entire Sahara, based on ALOS/PALSAR data.Show More
Spectral mapping capabilities of sedimentary rocks using hyperspectral data in Sicily, Italy
2011 IEEE International Geoscience and Remote Sensing Symposium
Year: 2011 | Conference Paper |
Cited by: Papers (2)
Geologic applications of remote sensing data often rely on ancillary and support information for effectively mapping geolithologies. This work aims to investigate the capabilities of mapping geologic outcrops of sedimentary rocks using only spectral information coming from aerial hyperspectral data. MI VIS hyperspectral data obtained in the area of Serra di Falco, in southern Italy, have been expl...Show More
Effective Use of LMS (Learning Management System) in Teaching Graduate Geology Course at KFUPM, Saudi Arabia
2013 Fourth International Conference on e-Learning "Best Practices in Management, Design and Development of e-Courses: Standards of Excellence and Creativity"
Year: 2013 | Conference Paper |
Cited by: Papers (2)
Utilization of the LMS in teaching is very crucial and reflects on the students learning. The current practices of student-centered learning (where students contribute to the subject and get involved in the learning process) can be applied very effectively through using the LMS. This paper summarizes an experiment of using the LMS (Blackboard CE8) in teaching a graduate course (Advanced Structural...Show More
Satellite Data Fusion Techniques for Terrain and Surficial Geological Mapping
Goran Pavlic;Vern Singhroy;Alejandra Duk-Rodkin;Pierre-Jean Alasset
IGARSS 2008 - 2008 IEEE International Geoscience and Remote Sensing Symposium
Year: 2008 | Conference Paper |
Cited by: Papers (2)
Increased satellite image data availability, with different spatial, spectral, and radiometric resolutions, present some challenges for image fusion techniques to be used in many application areas. In this study, we demonstrate an improved technique combining RADARSAT (SAR), Digital Elevation Model (DEM) and Landsat (ETM+) images with surficial geology data into two complementary composite image m...Show More
On the GTP-Based 3D Modeling Method for Complex Geological Body
IGARSS 2008 - 2008 IEEE International Geoscience and Remote Sensing Symposium
Year: 2008 | Conference Paper |
Cited by: Papers (1)
Three-dimensional (3D) modeling of geological body is an important issue of 3D GIS and 3D geosciences modeling (3DGM). Generalized tri-prism (GTP) model and its components are introduced in this paper. Based on the analysis of previous researches on 3DGM, a new approach (rock pillar body partition modeling, RPBP) for 3D modeling and visualization of complex geological body (CGD) based on GTP was p...Show More
Design and implementation of marine geology 3D Geographic Information System based on Skyline
2015 23rd International Conference on Geoinformatics
Year: 2015 | Conference Paper |
Cited by: Papers (1)
In order to improve display effect and analysis and decision ability of marine geology information, the Marine Geology 3D Geographic Information System is established based on Skyline software and Visual studio.NET development platform. It is a WebGIS application platform, builds submarine 3D scene by using the satellite image and marine geology survey data, provides 3D scene roaming, attribute qu...Show More
The Research and Practice of a General Data Management Tool on Multivariate Marine Geology Data
2020 International Conference on Computer Engineering and Application (ICCEA)
Year: 2020 | Conference Paper |
Cited by: Papers (1)
In this paper a general data management tool based on Oracle database and Spring MVC framework is designed and developed, which takes advantage of oracle's high-performance nested query and combines the recursive data of relational database with the front-end tree structure. The general data management tool allows customizing data directories and data structures as needed, thus the storage and que...Show More
Geonote: A Field Notebook and Database for Geology
Omar Alejandro Cordova Gallardo;Miguel De-la-Torre;Luis Ayala Carazas;José Guadalupe Rosas Elguera;Brenda Acevedo Juárez
IGARSS 2020 - 2020 IEEE International Geoscience and Remote Sensing Symposium
Year: 2020 | Conference Paper |
Field studies in Geology typically require taking notes in a paper based field notebook that is then stockpiled for future references. The so stored data is hardly accessible over the years, and information sharing is also difficult because of searching time, and the particularities in notation from different experts. Although organizations like the Open Geospatial Consortium favor the standardiza...Show More
Study on the Application of the Gray Model of Complex Stratum in Lingnan Area to Predict the Settlement of High-fill
2022 International Conference on Artificial Intelligence in Everything (AIE)
Year: 2022 | Conference Paper |
In the complex geology of Lingnan area, the foundation settlement process formed by the high filling project is complicated, there are many factors and the factors influence each other. In the high filler project, although the settlement of the high-fill is monitored in real time and some monitoring data are obtained, it is difficult to determine the change trend of the amount of settlement in a c...Show More
Development of Urban Geology Information System Based on MapGIS
2009 Third International Symposium on Intelligent Information Technology Application
Year: 2009 | Conference Paper |
The main objective of this study is to develop an implemented system based on MapGIS for managing and visualizing urban geology information, such as borehole, remote sensing (RS) data, geophysical and geochemical data-in Shanghai City. More than 20,000 boreholes, 80G byte RS data and other geological data were managed with three levels in the system. For the convenience of sharing information and ...Show More
Calibration and Validation Working Group for Surface Biology and Geology (SBG)
IGARSS 2019 - 2019 IEEE International Geoscience and Remote Sensing Symposium
Year: 2019 | Conference Paper |
A calibration/validation (cal/val) working group (CVWG) was established as part of a US government study of the Surface Biology and Geology (SBG) observing system priority identified in the 2017 National Academies of Sciences, Engineering, and Medicine decadal survey of Earth sciences and applications [1]. The 2017 decadal survey recommended the SBG mission as a designated observable to improve me...Show More
GPR Backscattering Intensity Analysis Applied to Detect Paleochannels and Infilled Streams for Seismic Nanozonation in Urban Environments
Sonia Santos-Assunçao;Vega Perez-Gracia;Victor Salinas;Oriol Caselles;Ramon Gonzalez-Drigo;Lluis G. Pujades;Nieves Lantada
Seismic microzonation of urban areas is used to be determined from few soils' response measurements in each area. In consequence, results can be considered correct only in the case of possible depth-dependent soils, being the existence of lateral soil changes the cause of imprecision. Ground-penetrating radar (GPR) could be a useful tool to determine, previously to the passive seismic measurements...Show More
Automatic Modeling Algorithm Research and Application of Complex Structural Geology in Three-Dimensional Space
2010 6th International Conference on Wireless Communications Networking and Mobile Computing (WiCOM)
Year: 2010 | Conference Paper |
Cited by: Papers (1)
A simple model of layered structural geological bodies already have more mature solutions, while the complex structure modeling and interpolation algorithm of three-dimensional space are becoming the key difficulties. Discussion in the paper not only realize the special geological interpolation processing, also makes the local Kriging interpolation in a variety of geological body model of the scop...Show More
Surface Biology and Geology (SBG) Thermal Infrared (TIR) Free -Flyer Concept
Ralph R. Basilio;Simon J. Hook;Simona Zoffoli;Maria Fabrizia Buongiorno
Scientists and engineers from the United States and Italy are developing a thermal infrared (TIR) free-flyer concept that forms an essential element of the NASA Surface Biology & Geology (SBG) designated observable and the greater NASA Earth System Observatory (ESO), which also includes observations of aerosols, clouds, convection, and precipitation; mass change; and surface deformation & change. ...Show More
Mapping Complex Geology with GPR in a Canadian Potash Mine
2018 17th International Conference on Ground Penetrating Radar (GPR)
Year: 2018 | Conference Paper |
Cited by: Papers (2)
The application of GPR in a Canadian salt and potash mine in New Brunswick, within a structurally complex geological setting, is discussed. When the mine was started in 2014, occurrences of anhydrite were unexpectedly encountered in mining development rooms. Furthermore, occasional undulations and folding in the potash ore seam complicated production mining because the potash ore would get diluted...Show More
Geolithological mapping of carbonate system deposits for hydrocarbon exploration using hyperspectral imagery
M. Pepe;M. Boschetti;G. Candiani;P. Villa;F. Righetti;V. Clementi
2015 IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
Year: 2015 | Conference Paper |
Cited by: Papers (1)
Hyperspectral remote sensing can support exploration activities helping in the recognition of lithologycal outcrops over extended areas. This is mainly due to the nature of the mineral reflectance spectra which feature very narrow absorption peaks, therefore requiring hyperspectral sensors to be assessed. In this work, the capabilities for geolithology recognition of aerial hyperspectral data have...Show More
Automate Lithological Classification of the Amotape Tahuin Metamorphic Complex in Ecuador using Random Forest and a Multi-Sensor Satellite Imagery Approach
Muñoz Erith;Enríquez Jhonatan;Toctaguano Daniel;Bustos Marielisa;Betancourt Franz;Sangucho Carmen;Parra Victor;Lima Aracely;Zozaya Alfonso
IGARSS 2020 - 2020 IEEE International Geoscience and Remote Sensing Symposium
Year: 2020 | Conference Paper |
In this paper, a methodological approach to classify lithology features using random forest and multisensor satellite imagery is presented. The incorporation of remote sensing techniques into regional geology mapping is important in order to make possible the implementation of monitoring strategies aimed to enhance national capabilities to provide information for natural disasters management, sust...Show More
Automate Lithological Classification of the Amotape Tahuin Metamorphic Complex in Ecuador using Random Forest and a Multi-Sensor Satellite Imagery Approach
Muñoz Erith;Enríquez Jhonatan;Toctaguano Daniel;Bustos Marielisa;Betancourt Franz;Sangucho Carmen;Parra Victor;Lima Aracely;Zozaya Alfonso
Year: 2020 | Conference Paper |
Features of satellite altimetric gravity anomaly and its geology significance in Grenada area
2011 International Conference on Materials for Renewable Energy & Environment
Year: 2011 | Conference Paper |
This study area is located southeast of Caribbean Sea, an area of about 79,000 km2. This paper, through collection of satellite altimetric gravity data produced by geophysical data corporation of University of Leeds, England, tries to process satellite altimetric gravity data by adopting regularization filter and vertical second derivative methods in this area, analyzes characteristics of the sate...Show More
Work-in-Progress—Developing an Undergraduate Geology Virtual Field Environment
Laura E Speir;Rúan Du Plessis;Danielle Oprean;Sarah M Jacquet
2022 8th International Conference of the Immersive Learning Research Network (iLRN)
Year: 2022 | Conference Paper |
This work-in-progress paper documents the development of a desktop-based virtual field environment (VFE) to enable students and park visitors to explore the geological processes that have shaped Rock Bridge Memorial State Park, Columbia, Missouri, USA. Our rapid design process utilized a suite of pre-existing tools, allowing greater focus on the intended learning goals. Prototype implementation re...Show More
Spectral properties of icy saturnian satellites derived from cassini data
K. Stephan;R. Jaumann;R. Wagner;R.N. Clark;D.P. Cruikshank;C. Dalle Ore;R.H. Brown;B. Giese;T. Roatsch;D. Matson;K. Baines;G. Filiacchione;F. Cappacione;B.J. Buratti;P.D. Nicholson
2014 6th Workshop on Hyperspectral Image and Signal Processing: Evolution in Remote Sensing (WHISPERS)
Year: 2014 | Conference Paper |
Cassini's Visual and Infrared Mapping Spectrometer (VIMS) offers the first spatially resolved hyperspectral data of the Saturnian satellites [1] allowing a detailed comparison of their spectral properties including their spatial distribution across the satellite's surface. Additionally, images acquired by the Cassini ISS cameras [2] offer the opportunity to study any relationships between the spec...Show More
GeoWall: Stereoscopic visualization for geoscience research and education
The GeoWall lets people visualize the structure and dynamics of the Earth in stereo, aiding their understanding of spatial relationships. Making use of inexpensive, polarized 3D glasses, entire classrooms or conference audiences can share the 3D experience. Since the hardware is portable, it's easy to bring visualizations to the audience. In this article we describe the GeoWall hardware and softwa...Show More
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