Results 81 to 90 of about 487 (148)

Performance analysis of open-source DEMs in tsunami inundation modelling

, 2022
In natural hazard modeling, underestimation is not acceptable, since it will produce unreliable and inadequate information for decision makers to work on during hazard mitigation planning.
Gozde Guney Dogan, Mehmet Lutfi Suzen, Tüfekçi Enginar, Duygu, Dogan, Gozde Guney, Yalçıner, Ahmet Cevdet, Duygu Tufekci-Enginar, Ahmet Cevdet Yalciner, Süzen, Mehmet Lütfi, YALÇINER, AHMET CEVDET   +8 more
core   +1 more source

Evaluation of Different Digital Elevation Models (DEMs) for Geospatial Applications: A Case Study of Ibadan, Nigeria.

African Journal on Land Policy and Geospatial Sciences
Context and background Digital elevation models (DEMs) are essential tools for a wide range of scientific and geospatial applications, providing critical data for elevation and terrain analysis.
Ibrahim Olatunji Raufu
doaj   +1 more source

How Well can Spaceborne Digital Elevation Models Represent a Man-Made Structure: A Runway Case Study

Geosciences, 2019
In this case study, an active runway of a civilian airport in Zonguldak, Turkey was used to assess the suitability of spaceborne digital elevation models (DEMs) to model an anthropogenic structure.
Kazimierz Becek, Volkan Akgül, Samed Inyurt, Çetin Mekik, Patrycja Pochwatka   +4 more
doaj   +1 more source

Multi-source data joint processing framework for DEM calibration and fusion

International Journal of Applied Earth Observations and Geoinformation
High-accuracy digital elevation models (DEMs) are essential for remote sensing and geospatial analysis, yet integrating multi-source data over large and complex terrains remains challenging.
Cuilin Yu, Qingsong Wang, Zibo Zhang, Zixuan Zhong, Yusheng Ding, Tao Lai, Haifeng Huang, Peng Shen   +7 more
doaj   +1 more source

Global 30 meters spatiotemporal 3D urban expansion dataset from 1990 to 2010. [PDF]

Sci Data, 2023
He T, Wang K, Xiao W, Xu S, Li M, Yang R, Yue W.   +6 more
europepmc   +1 more source

Comparative Geomorphometric Analysis of Drainage Basin Using AW3D30 Model in ArcGIS and QGIS Environment: Case Study of the Ibar River Drainage Basin, Montenegro [PDF]

Geomorphometric analysis provides crucial insights into the hydrological characteristics by delineating the land-surface features of a drainage basin. The study focused on analyzing the geomorphometric parameters of the Montenegrin segment of the Ibar ...
Ćulafić, Golub, Brđanin, Eldin, Durlević, Uroš, Vujović, Filip, Valjarević, Aleksandar   +4 more
core   +1 more source

Benchmarking Elevation Plus Land Surface Parameters Finds FathomDEM and Copernicus DEM Win as Best Global DEMs

Remote Sensing
We evaluated six global digital elevation DEMs at 1-arc-sec resolution: CopDEM and AW3D30, which are digital surface models (DSMs), and EDTM, GEDTM, FABDEM, and FathomDEM, which are digital terrain models (DTMs).
Peter L. Guth, Sebastiano Trevisani, Carlos H. Grohmann, John B. Lindsay, Hannes I. Reuter   +4 more
doaj   +1 more source

Enhanced glacial lake activity threatens numerous communities and infrastructure in the Third Pole. [PDF]

Nat Commun, 2023
Zhang T, Wang W, An B, Wei L.
europepmc   +1 more source

Resilience, innovation and collapse of settlement networks in later Bronze Age Europe: New survey data from the southern Carpathian Basin. [PDF]

PLoS One, 2023
Molloy B, Jovanović D, Bruyere C, Estanqueiro M, Birclin M, Milašinović L, Šalamon A, Penezić K, Ramsey CB, Grosman D.   +9 more
europepmc   +1 more source

EVALUATION OF ALTIMETRIC ACCURACY OF DIGITAL SURFACE MODELS IN THE URBAN AREA OF CAMPO GRANDE/BRAZIL [PDF]

Os Modelos Digitais de Superfície são utilizados em diversas aplicações, sendo essenciais para modelagem hidrológica. Descrevemos a precisão altimétrica de diferentes MDSs na área urbana de Campo Grande, Mato Grosso do Sul, Brasil. Como conjunto de dados
Gonçalves, Wesley Nunes, Oliveira, Lucas, De Souza, Mauricio, Marcato Junior, José, de Souza, Mariany Kerriany Golçalves, Liesenberg, Veraldo, Ramos, Ana Paula Marques, Li, Jonathan   +7 more
core   +1 more source