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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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Shangmin Zhao, Jiao Liu, Weiming Cheng and Chenghu Zhou
Multi-source data fusion can help to weaken the original data?s shortcomings while improving data accuracy. The experimental area in this research is Taiyuan City in Shanxi Province, China. Using SRTM1 DEM, ASTER GDEM V3, and AW3D30 DEM, the optimal reso...
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Antonios Mouratidis and Dimitrios Ampatzidis
Digital elevation models (DEMs) are a widely used form of topographic information, with some of the most popular being the Shuttle Radar Topography Mission (SRTM) DEM and the Advanced Spaceborne Thermal Emission and Reflection Radiometer Global Digital E...
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Jose Luis Muñoz Marcillo
Pág. 150 - 160
La presente investigación se centró en el análisis y evaluación de la biodiversidad en relación a la cobertura boscosa nativa existente en la finca Murocomba, cantón Valencia, provincia de Los Ríos, Ecuador. La finca es de propiedad de la Universidad Téc...
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Vassilios N. Grigoriadis, Vassilios D. Andritsanos and Dimitrios A. Natsiopoulos
Recent Digital Surface, Elevation, and Bathymetric Models (DSM/DEM/DBM) aim to provide high-resolution and accurate height and depth information needed for a variety of surveying, geodetic, geophysical, and other applications. In this study, first we aim...
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Xiaoyan Yang, Long Li, Longgao Chen, Longqian Chen and Zhengping Shen
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Akihisa Motoki, Kenji Freire Motoki, Susanna Eleonora Sichel, Samuel da Silva, José Ribeiro Aires
Pág. 221 - 236
This article presents principle and geomorphological applicability of summit level technique using Aster Gdem satellite-derived topographicdata. Summit level corresponds to thevirtualtopographic surface constituted bylocalhighest points, such as peaks an...
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Edward Salameh, Frédéric Frappart, Fabrice Papa, Andreas Güntner, Vuruputur Venugopal, Augusto Getirana, Catherine Prigent, Filipe Aires, David Labat, Benoît Laignel
Pág. 1 - 19
Surface water storage is a key component of the terrestrial hydrological and biogeochemical cycles that also plays a major role in water resources management. In this study, surface water storage (SWS) variations are estimated at monthly time-scale over ...
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Edward Salameh, Frédéric Frappart, Fabrice Papa, Andreas Güntner, Vuruputur Venugopal, Augusto Getirana, Catherine Prigent, Filipe Aires, David Labat and Benoît Laignel
Surface water storage is a key component of the terrestrial hydrological and biogeochemical cycles that also plays a major role in water resources management. In this study, surface water storage (SWS) variations are estimated at monthly time-scale over ...
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Zbigniew Walczak, Mariusz Sojka, Rafal Wrózynski and Ireneusz Laks
This study compares four digital elevation models (DEMs), based on various data sources, to define polder retention capacities. Two commercial and two publically available, free of charge data sources were used. Commercial sources are DEMs based on aeria...
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Zbigniew Walczak, Mariusz Sojka, Rafal Wrózynski, Ireneusz Laks
Pág. 1 - 20
This study compares four digital elevation models (DEMs), based on various data sources, to define polder retention capacities. Two commercial and two publically available, free of charge data sources were used. Commercial sources are DEMs based on aeria...
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Christos G. Karydas, Ourania Tzoraki and Panos Panagos
The main aim of this research was to improve risk mapping of heavy metals by taking account of erosion effects. A new spatiotemporal index, namely the G2met index, is introduced, with integration of pre-existing methodologies (Hakanson, EPM, and G2). The...
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Bilal Aslam, Ahsen Maqsoom, Nauman Khalid, Fahim Ullah and Samad Sepasgozar
Global climate has been radically affected by the urbanization process in recent years. Karachi, Pakistan?s economic hub, is also showing signs of swift urbanization. Owing to the construction of infrastructure projects under the China-Pakistan Economic ...
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Xianwei Wang, Huijiao Chen and Yaning Chen
Most glaciers in China lie in high mountainous environments and have relatively large surface slopes. Common analyses consider glaciers? projected areas (2D Area) in a two-dimensional plane, which are much smaller than glacier?s topographic surface exten...
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Xianwei Wang, Huijiao Chen, Yaning Chen
Pág. 1 - 13
Most glaciers in China lie in high mountainous environments and have relatively large surface slopes. Common analyses consider glaciers? projected areas (2D Area) in a two-dimensional plane, which are much smaller than glacier?s topographic surface exten...
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