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Ján Erdélyi, Alojz Kopácik and Peter Kyrinovic
Weather conditions and different operational loads often cause changes in essential parts of engineering structures, and this affects the static and dynamic behavior and reliability of these structures. Therefore, geodetic monitoring is an integral part ...
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Nan Qiao, Yun-Ling Duan, Xiao-Meng Shi, Xue-Fei Wei and Jin-Ming Feng
The excavation of large-scale underground projects produces a large amount of rubble waste material that is temporarily deposited near the project site, which forms a large-scale waste rockfill artificial slope. The slope has a granular structure, thus, ...
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Roger Tilley, Hamid R. Sadjadpour and Farid Dowla
Compositing of ground penetrating radar (GPR) scans of differing frequencies have been found to produce cleaner images at depth using the Gaussian mixture model (GMM) feature of the expectation-maximization (EM) algorithm. GPR scans at various heights (?...
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Iguniwari Thomas Ekeu-wei and George Alan Blackburn
Flood modelling and mapping typically entail flood frequency estimation, hydrodynamic modelling and inundation mapping, which require specific datasets that are often unavailable in developing regions due to financial, logistical, technical and organizat...
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Jonathan Coto, W. Linwood Jones and Gerald M. Heymsfield
This paper deals with the validation of rain rate and wind speed measurements from the High-Altitude Wind and Rain Airborne Profiler (HIWRAP), which occurred in September 2013 when the NASA Global Hawk unmanned aerial vehicle passed over an ocean rain sq...
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Elena Grek and Sergey Zhuravlev
In recent years, rain floods caused by abnormal rainfall precipitation have caused several damages in various part of Russia. Precise forecasting of rainfall runoff is essential for both operational practice to optimize the operation of the infrastructur...
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Nicoletta Roberto, Luca Baldini, Elisa Adirosi, Luca Facheris, Fabrizio Cuccoli, Alberto Lupidi and Andrea Garzelli
An algorithm based on a support vector machine (SVM) is proposed for hydrometeor classification. The training phase is driven by the output of a fuzzy logic hydrometeor classification algorithm, i.e., the most popular approach for hydrometer classificati...
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William Semke, Nicholas Allen, Asma Tabassum, Matthew McCrink, Mohammad Moallemi, Kyle Snyder, Evan Arnold, Dawson Stott and Michael G. Wing
Detect and Avoid (DAA) systems are complex communication and locational technologies comprising multiple independent components. DAA technologies support communications between ground-based and space-based operations with aircraft. Both manned and unmann...
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William Semke, Nicholas Allen, Asma Tabassum, Matthew McCrink, Mohammad Moallemi, Kyle Snyder, Evan Arnold, Dawson Stott and Michael G. Wing
Detect and Avoid (DAA) systems are complex communication and locational technologies comprising multiple independent components. DAA technologies support communications between ground-based and space-based operations with aircraft. Both manned and unmann...
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Benjamin L. Hemingway, Amy E. Frazier, Brian R. Elbing and Jamey D. Jacob
The lowest portion of the Earth?s atmosphere, known as the atmospheric boundary layer (ABL), plays an important role in the formation of weather events. Simple meteorological measurements collected from within the ABL, such as temperature, pressure, humi...
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Shuailong Zhao, Xuefeng Tao and Zhi Li
Continuous thrust spacecraft in circular orbits have had a great influence on the identification and cataloging of space targets. Gaussian-type orbital element variational equations are simplified and approximated. Ground-based radar observation datasets...
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Sadra Karimzadeh and Masashi Matsuoka
We performed interferometric synthetic aperture radar (InSAR) analyses to observe ground displacements and assess damage after the M 6.6 Hokkaido Eastern Iburi earthquake in northern Japan on 6 September 2018. A multitemporal SAR coherence map is extract...
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Michael L. Larsen and Michael Schönhuber
The two-dimensional video distrometer (2DVD) is a well known ground based point-monitoring precipitation gauge, often used as a ground truth instrument to validate radar or satellite rainfall retrieval algorithms. This instrument records a number of vari...
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Alisa L. Gallant, Shannon G. Kaya, Lori White, Brian Brisco, Mark F. Roth, Walt Sadinski and Jennifer Rover
Wetlands provide ecosystem goods and services vitally important to humans. Land managers and policymakers working to conserve wetlands require regularly updated information on the statuses of wetlands across the landscape. However, wetlands are challengi...
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Halil Ibrahim Gündüz, Ferruh Yilmaztürk and Osman Orhan
Although approximately one-tenth of the world?s population lives near volcanoes, most of the 1500 active volcanoes are not monitored by ground-based instruments because of the cost and difficulty of access. Since the development of interferometric synthe...
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Luca Bertolini, Fabrizio D?Amico, Antonio Napolitano, Luca Bianchini Ciampoli, Valerio Gagliardi and Jhon Romer Diezmos Manalo
Monitoring of critical civil engineering infrastructures has become a priority for public owners and administrative authorities. Several laws and regulations have been issued on this topic, emphasizing the crucial role of Building Information Modeling (B...
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Xianglei Liu, Songxue Zhao, Peipei Wang, Runjie Wang and Ming Huang
With the advantage of non-contact measurement, ground-based synthetic aperture radar (GB-SAR) has been widely used to obtain the dynamic deflection of various bridges. Data-driven stochastic subspace recognition (Data-SSI), a popularized time-domain tech...
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Meiying Liu, Hu Wang, Hongwei Yi, Yaoke Xue, Desheng Wen, Feng Wang, Yang Shen and Yue Pan
This paper focuses on the opportunity to use multiple star trackers to help space situational awareness and space surveillance. Catalogs of space debris around Earth are usually based on ground-based measurements, which rely on data provided by ground-ba...
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Sajad Tabibi, Renaldo Sauveur, Kelly Guerrier, Gerard Metayer and Olivier Francis
Geodetic Global Navigation Satellite System reflectometry (GNSS-R) uses ground-based signals of opportunity to retrieve sea levels at an intermediate spatial scale. Geodetic GNSS-R is based on the simultaneous reception of Line-of-Sight (LoS) and its coh...
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Deming Ma, Yongsheng Li, Jianwei Cai, Bingquan Li, Yanxiong Liu and Xingguo Chen
Landslides are one of the most frequent and serious geological disasters that threaten people?s lives and property safety. In recent years, with the rapid development of the coastal economy and the increasingly strained spatial resources, the island deve...
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