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GPS/terrestrial 3D laser scanner combined monitoring technology for coal mining subsidence: a case study of a coal mining area in Hebei, China

Zhou, Dawei; Wu, Kan; Chen, Ranli; Li, Liang - In: Natural Hazards 70 (2014) 2, pp. 1197-1208

. Ground surface digital elevation model (DEM) of the mining area is established by using TLS point cloud data, and the ground … DEM and subsidence basin can provide the fundamental data for the reconstruction of ecological environment in the mining …

Persistent link: https://www.econbiz.de/10010846749

Estimation of Soil Erosion and Sediment Yield Using GIS at Catchment Scale

Bhattarai, Rabin; Dutta, Dushmata - In: Water Resources Management 21 (2007) 10, pp. 1635-1647

catchment outlet is represented by the topographical characteristics of the cells. The effect of DEM resolution on sediment … yield is analyzed using two different resolutions of DEM. The spatial discretization of the catchment and derivation of the …

Persistent link: https://www.econbiz.de/10010847420

Characterization and Evaluation of Elevation Data Uncertainty in Water Resources Modeling with GIS

Wu, Simon; Li, Jonathan; Huang, G. - In: Water Resources Management 22 (2008) 8, pp. 959-972

Grid based digital elevation models (DEM) are commonly used in water resources modeling. The quality of readily … available DEM, however, varies from source to source in terms of horizontal resolution and vertical accuracy which are the two … presenting DEM processing processes in distributed and semi-distributed hydrologic analyses. It is very difficult to examine the …

Persistent link: https://www.econbiz.de/10010794256

Estimation of Geomorphological Parameters of Lower Zab River-Basin by Using GIS-Based Remotely Sensed Image

Saeedrashed, Y.; Guven, A. - In: Water Resources Management 27 (2013) 1, pp. 209-219

The Lower Zab watershed is one of the most important catchment areas in the northern region of Iraq, as it includes large dam which is called Dukan Dam. Besides this, there are four other catchment areas, which are the Greater Zab (Upper Zab), Diyala, Khabur, and Uzem. During the last few...

Persistent link: https://www.econbiz.de/10010794426

Identification of the affected areas by mass movement through a physically based model of landslide hazard combined with an empirical model of debris flow

Gomes, Roberto; Guimarães, Renato; Carvalho, Osmar; … - In: Natural Hazards 45 (2008) 2, pp. 197-209

: (a) elaboration of a digital elevation model (DEM), (b) application of the deterministic SHALSTAB model to locate the …

Persistent link: https://www.econbiz.de/10010995639

Predicting Lahar-Inundation Zones: Case Study in West Mount Pinatubo, Philippines

Carranza, Emmanuel; Castro, Ofelia - In: Natural Hazards 37 (2006) 3, pp. 331-372

This paper demonstrates techniques for pre-eruption prediction of lahar-inundation zones in areas where a volcano has … part of Pinatubo volcano (Philippines). Predictive maps are compared with a forecast volcanic-hazard map through validation …

Persistent link: https://www.econbiz.de/10010996084

Effect of digital elevation model on Mohr-Coulomb geophysical flow model output

Stefanescu, E.; Bursik, M.; Patra, A. - In: Natural Hazards 62 (2012) 2, pp. 635-656

Mountain, California, a cumulodome volcano. TITAN2D was run for seven different locations of an eruption of a potential dome … computation of accurate footprint of the flow and fine DEM resolution is critical for correct characterization of these flows …

Persistent link: https://www.econbiz.de/10010996247

Assessment of flood hazard, vulnerability and risk of mid-eastern Dhaka using DEM and 1D hydrodynamic model

Masood, Muhammad; Takeuchi, Kuniyoshi - In: Natural Hazards 61 (2012) 2, pp. 757-770

on the basis of digital elevation model (DEM) data from Shuttle Radar Topography Mission and the hydrologic field … acquired DEM data were modified to represent the current topography. The inundation simulation was conducted using hydrodynamic …

Persistent link: https://www.econbiz.de/10010996348

Redefining the watershed line and stream networks via digital resources and topographic map using GIS and remote sensing (case study: the Neka River’s watershed)

Ahmadi, Hassan; Das, Arun; Pourtaheri, Mehdi; Komaki, … - In: Natural Hazards 72 (2014) 2, pp. 711-722

watershed boundary using four different digital elevation models (DEM) including advanced spaceborne thermal emission and … selected models. Therefore, considering other three methods, the ASTER DEM is the most suitable applicable data to delineate …

Persistent link: https://www.econbiz.de/10010996462

A GIS-Based Multivariate Statistical Analysis for Shallow Landslide Susceptibility Mapping in La Pobla de Lillet Area (Eastern Pyrenees, Spain)

Santacana, Núria; Baeza, Baeza; Corominas, Jordi; Paz, … - In: Natural Hazards 30 (2003) 3, pp. 281-295

slope geometry, have been derived from the digital elevation model (DEM) while vegetation cover and thickness of superficial … the objectivity and reproducibility of the results. The main drawbackis that, at present, not all regions have DEM …

Persistent link: https://www.econbiz.de/10010996679