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Fatmah Nassir Alqreai and Hamad Ahmed Altuwaijri
The North Train Railway in the Kingdom of Saudi Arabia (KSA) extends over vast areas, crossing various terrains, including valleys, sand veins, plateaus, and hills. Therefore, the railway was designed and implemented to suit this environmental diversity ...
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Carlos López-Vázquez and Francisco Javier Ariza-López
From an extensive search of papers related to the comparison of Global Digital Elevation Models (hereinafter GDEMs), an analysis is carried out that aims to answer several questions such as: Which GDEMs have been compared? Where have the comparisons been...
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Zuleide Alves Ferreira and Pedro Cabral
Digital elevation models (DEMs) provide important support to research since these data are freely available for almost all areas of the terrestrial surface. Thus, it is important to assess their accuracy for correct applicability regarding the correct us...
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Zhilin Liu, Simeng Song, Shouzheng Yuan, Yingkai Ma and Zongxun Yao
Path following and obstacle avoidances are used in heading control and path replanning for unmanned surface vessels (USVs), which have attracted the interest of many researchers over the years. This paper investigates the path-following and obstacle avoi...
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Saeid Gharechelou, Ryutaro Tateishi, Josaphat Tetuko Sri Sumantyo and Brian Alan Johnson
Soil moisture is a critical component for Earth science studies, and Synthetic Aperture Radar (SAR) data have high potential for retrieving soil moisture using backscattering models. In this study, polarimetric SAR (PALSAR: Phased Array type L-band Synth...
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Yuhan Zheng and Wataru Takeuchi
Mangrove ecosystems are valuable, yet vulnerable, and therefore they have been an important subject of protection and restoration in China. Reliable information on long-term China mangrove dynamics is lacking but vital to analyze the driving forces and e...
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Sansar Raj Meena and Thimmaiah Gudiyangada Nachappa
Landslides are one of the most damaging geological hazards in mountainous regions such as the Himalayas. The Himalayan region is, tectonically, the most active region in the world that is highly vulnerable to landslides and associated hazards. Landslide ...
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Imane Bachri, Mustapha Hakdaoui, Mohammed Raji, Ana Cláudia Teodoro and Abdelmajid Benbouziane
Remote sensing data proved to be a valuable resource in a variety of earth science applications. Using high-dimensional data with advanced methods such as machine learning algorithms (MLAs), a sub-domain of artificial intelligence, enhances lithological ...
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Laura Keys and Jussi Baade
Nine digital elevation model (DEM) datasets were used for separate delineations of the Nam Co, Tibet catchment and its subcatchments, and these delineated areas were compared using the highest resolution dataset, TanDEM-X 12 m, as a baseline. The mean de...
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Hiroto Nagai, Jinro Ukita, Chiyuki Narama, Koji Fujita, Akiko Sakai, Takeo Tadono, Tsutomu Yamanokuchi and Nobuhiro Tomiyama
A comprehensive glacier?glacial lake inventory was developed for the Bhutan Himalayas based on satellite observations between 1987?1990 and 2006?2011. In total, 733 lakes (covering 82.6 km2) were delineated between 4000 and 6000 m a.s.l. and their relati...
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Rei Sonobe,Hiroshi Tani,Xiufeng Wang
Pág. 178 - 182
Aim of study: The ambrosia beetle, Platypus quercivorus, is a vector of Japanese oak wilt, which causes massive mortality of oak trees in Japan. ALOS/AVNIR-2 true color images can be used to help detect areas of oak wilt, although such detection by inven...
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G. Peris-Sayol,J. Alós-Moya,I. Payá-Zaforteza,A. Hospitaler-Pérez
Pág. m002
La respuesta de los puentes frente al fuego es un tema poco estudiado y ausente de las normativas actuales a pesar de la frecuencia y consecuencias de los incendios en puentes. Por ello, este artículo analiza la respuesta de un puente metálico multijácen...
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Shuai Yang, Jinmin Zhang, Lei Fu, Chunhua Chen, Zijing Liu and Wenlong Zhang
Due to the complex terrain and intense tectonic activity, and harsh climate in the Qinling-Daba Mountains, many landslides occur in the area. Most of these landslides are extremely active, posing a serious threat to the safety and property of local resid...
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nirmawana Simarmata
Pág. 114 - 121
Synthetic Aperture Radar (SAR) is one kind of an active remote sensing system, utilizing microwave to records the earth surface. One of the SAR?s satellites is ALOS PALSAR which is capable of penetrating clouds so that the underlying objects can be ident...
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Rui Zhang, Xinming Tang, Shucheng You, Kaifeng Duan, Haiyan Xiang and Hongxia Luo
Remote sensing data plays an important role in classifying land use/land cover (LULC) information from various sensors having different spectral, spatial and temporal resolutions. The fusion of an optical image and a synthetic aperture radar (SAR) image ...
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Y. Kumar,S. Singh,R.S. Chatterjee
The study has been carried out in the Pauri Garhwal district of Uttarakhand keeping the focus on Corbett Tiger Reserve (CTR). The total area of CTR covered in the scene is 889 sq. km. The main aim of the paper is to develop a model by establishing a rela...
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Victor Onyango Odipo, Alecia Nickless, Christian Berger, Jussi Baade, Mikhail Urbazaev, Christian Walther and Christiane Schmullius
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Jean-Claude Baraka Munyaka, Jérôme Chenal, Alexis Gatoni Sebarenzi, Rim Mrani and Akuto Akpedze Konou
Rural mobility in Africa is an under-researched issue. Rural communities have often suffered from reduced mobility that has hampered their access to essential services and facilities such as education, health care, food, and clean water. In many rural co...
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Mohammed El Bastawesy, Omnia El Saadawy, Abotalib Z. Abotalib, Abdullah Othman, Maysa Taha and Ahmed Gaber
Digital elevation models (DEMs) are the cornerstone for hydrological and geomorphological modeling. Herein, two Nile-tributary catchments (Wadi Al Rishrash and Wadi Atfeh) in Egypt are selected to examine the contribution of different DEMs to the accurac...
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Mirlan Daiyrov, Chiyuki Narama, Tsutomu Yamanokuchi, Takeo Tadono, Andreas Kääb and Jinro Ukita
To assess the current state of glacial lakes, we examine the seasonal lake-area changes of 339 glacial lakes in the Teskey and Kungoy Ranges of the Issyk-Kul Basin, Kyrgyzstan, during 2013?2016 based on optical satellite images (Landsat7/ETM+ and 8/OLI)....
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