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Yuke Zhou, Shaohua Wang and Yong Guan
Map overlay analysis is essential for geospatial analytics. Large scale spatial data pressing poses challenges for geospatial map overlay analytics. In this study, we propose an efficient parallel algorithm for polygons overlay analysis, including active...
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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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Minychl G. Dersseh, Aron A. Kibret, Seifu A. Tilahun, Abeyou W. Worqlul, Mamaru A. Moges, Dessalegn C. Dagnew, Wubneh B. Abebe and Assefa M. Melesse
Water hyacinth is a well-known invasive weed in lakes across the world and harms the aquatic environment. Since 2011, the weed has invaded Lake Tana substantially posing a challenge to the ecosystem services of the lake. The major factors which affect th...
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Wiwin Budiarti,Evi Gravitiani,Mujiyo Mujiyo
Pág. 96 - 108
Floods a main problem in Samin sub watershed, which is part of the Bengawan Solo watershed, Central Java Province. Assessment of the flood vulnerability level and its determinant causes is required as a basis information for policy makers to design a flo...
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Sujit Bebortta, Saneev Kumar Das, Meenakshi Kandpal, Rabindra Kumar Barik and Harishchandra Dubey
Several real-world applications involve the aggregation of physical features corresponding to different geographic and topographic phenomena. This information plays a crucial role in analyzing and predicting several events. The application areas, which o...
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Kassim Ramadhani Mussa, Ibrahimu Chikira Mjemah and Revocatus Lazaro Machunda
This study attempted to delineate and map potential groundwater recharge zones of the Singida, semi-arid, fractured crystalline basement aquifer using open source remote sensing and GIS software. Various thematic maps such as lithology/hydrogeology, soil...
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Takafumi Miyasaka, Toshiya Okuro, Xueyong Zhao and Kazuhiko Takeuchi
Previous field research on the Horqin Sandy Land (China), which has suffered from severe desertification during recent decades, revealed how land use on a sand-dune topography affects both land degradation and restoration. This study aimed to depict the ...
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Dario Gioia, Maria Danese, Giuseppe Corrado, Paola Di Leo, Antonio Minervino Amodio and Marcello Schiattarella
Automatic procedures for landform extraction is a growing research field but extensive quantitative studies of the prediction accuracy of Automatic Landform Classification (ACL) based on a direct comparison with geomorphological maps are rather limited. ...
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Junbo Yu, Tinghua Ai, Haijiang Xu, Lingrui Yan and Yilang Shen
The consistency of geospatial data is of great significance for the application and updating of geographic information in web maps. Due to the multiple data sources and different temporal versions, the tile web maps usually meet the inconsistency questio...
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Rini Fitri*,Astrid Damayanti,Nur Intan Simangunsong,Munawir ,
Pág. 199 - 212
The rate of population growth is a factor that causes changes in land use that impact land ecology due to increased population activities related to social, economic, and cultural aspects. Changes in land use aim to develop facilities and infrastructure ...
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Martino Terrone, Pietro Piana, Guido Paliaga, Marco D?Orazi and Francesco Faccini
In recent years, there has been growing interest in urban geomorphology both for its applications in terms of landscape planning, and its historical, cultural, and scientific interest. Due to recent urban growth, the identification of landforms in cities...
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Doddi Yudianto, Bobby Minola Ginting, Stephen Sanjaya, Steven Reinaldo Rusli and Albert Wicaksono
This paper introduces a new simple approach for dam-break hazard mapping in a data-sparse region. A hypothetical breaching case of an earthen dam, i.e., the Ketro Dam in Central Java, (Indonesia) was considered. Open-access hydrological databases, i.e., ...
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Vyddiyaratnam Pathmanandakumar, Nadarajapillai Thasarathan and Manjula Ranagalage
The scarcity of surface water resources in the dry season in the Kilinochchi district increases the demand for freshwater. Therefore, the main objective of this study is to delineate potential groundwater zones in Kilinochchi, Sri Lanka, using integrated...
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Dede Dirgahayu,I Nengah Surati Jaya,Florentina Sri Hardiyanti Purwadhi,Muhammad Ardiansyah,Hermanu Triwidodo
Pág. 85
In 2005 and 2009, BKP and WFP has provided food security conditions in Indonesia on Food Insecurity Map which were developed using food availability, food accessibility, food absorption and food vulnerability. There are 100 out of 265 districts in Indone...
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