Results 1 to 10 of about 22,689 (117)

A Method of Optimizing Terrain Rendering Using Digital Terrain Analysis

open access: yesISPRS International Journal of Geo-Information, 2021
Terrain rendering is an important issue in Geographic Information Systems and other fields. During large-scale, real-time terrain rendering, complex terrain structure and an increasing amount of data decrease the smoothness of terrain rendering. Existing
Lei Zhang   +4 more
doaj   +3 more sources

Method for Measuring the Information Content of Terrain from Digital Elevation Models

open access: yesEntropy, 2015
As digital terrain models are indispensable for visualizing and modeling geographic processes, terrain information content is useful for terrain generalization and representation.
Lujin Hu   +3 more
doaj   +3 more sources

GIS-Based Digital Terrain Analysis of Assam-Meghalaya Foothills in Kamrup District, Assam [PDF]

open access: yesNature Environment and Pollution Technology, 2021
Terrain characteristics and their evaluation usually come under geomorphological study and more particularly the applied geomorphological study (Prasad & Sarkar 2011).
C. Borpujari and A. K. Bora
doaj   +1 more source

INTERACTIVE DIGITAL TERRAIN MODEL ANALYSIS IN ATTRIBUTE SPACE [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2020
The use of high-resolution digital terrain model derived from airborne LiDAR system becomes more and more prevalent. Effective multi-scale structure characterization is of crucial importance for various domains such as geosciences, archaeology and Earth ...
F. Guiotte   +3 more
doaj   +1 more source

An Integrated Algorithm for Extracting Terrain Feature-Point Clusters Based on DEM Data

open access: yesRemote Sensing, 2022
Terrain feature points, such as the peaks and saddles, are the basic framework of surface topography and its undulations, which significantly affect the spatial distribution of surface topography.
Jinlong Hu   +4 more
doaj   +1 more source

Avalanche risk analysis using airborne LiDAR data [PDF]

open access: yesINCAS Bulletin, 2022
Natural and man-made disasters are a justified concern causing life-threats damages, affects existing budgets or disrupts national economic and social development plans.
Georgiana GRIGORAS   +3 more
doaj   +1 more source

Comparison оf Digital Relief Models

open access: yesНаука. Инновации. Технологии, 2023
Introduction. GIS technologies make it possible to analyze large amounts of spatial data, which include digital elevation models derived from remote sensing data.
S. A. Antonov, S. V. Peregudov
doaj   +1 more source

Landslides of the 2023 summer event of São Sebastião, southeastern Brazil: spatial dataset [PDF]

open access: yesBrazilian Journal of Geology
In February 2023, anomalously heavy rainfall caused widespread landslides in the coastal city of São Sebastião (Southeastern Brazil). This report describes the first version of a landslide inventory dataset for this event.
Rebeca Durço Coelho   +3 more
doaj   +1 more source

How and to What Extent Does Topography Control the Results of Soil Function Assessment: A Case Study From the Alps in South Tyrol (Italy)

open access: yesSoil Systems, 2019
Soil function assessments (SFA) are becoming increasingly important as a tool to integrate soil-related issues in decision-making processes in order to maintain soil quality.
Fabian Ernst Gruber   +3 more
doaj   +1 more source

Quality analysis of digital terrain models for the test area Zlatibor [PDF]

open access: yesGlasnik Srpskog Geografskog Društva, 2003
Digital terrain models (DTM) have recently become products which substitute standard methods for the terrain relief presentation. As a part of a Geographic Information Systems (GIS) they represent not only a data base related to heights that are used for
Bajat Branislav, Štrbac Dragoljub
doaj   +1 more source

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