digital terrain model (DTM)
ABSTRACT : Digital terrain model (DTM) represents a very important geospatial data type. In the Czech Republic, the
... ABSTRACT: Digital terrain model (DTM) represents a very important geospatial data ...common digital contour data sources are the Primary Geographic Data Base (ZABAGED), the Digital ...
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Effects of Structure from Motion Data Density, Interpolation Method and Grid Size on Micro Topography Digital Terrain Model Accuracy
... a digital terrain model (DTM), and the resolution (grid size) of the derived DTM on the accuracy of estimated heights in small areas, where a very accurate high spatial resolution is ...
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Rendering process of digital terrain model on mobile devices
... Digital Terrain Model has been used in many applications especially in Geographical Information ...based terrain on mobile devices is ...3D terrain is tedious due to the constraint in ...
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Accuracy of digital terrain model and its application in forestry
... Digital terrain model (DTM) is considered as an important geospatial data ...Republic, digital contour data sources are often used for constructing regular raster DTM; the initial process ...
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A new method for determination of most likely landslide initiation points and the evaluation of digital terrain model scale in terrain stability mapping
... a terrain stability ...a terrain stability model on each downslope path from ridge to ...of terrain stability may be used with this approach, which here is illustrated using results from ...
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Digital Terrain Model Data Structures
... This paper describes pertinent digital terrain model data structures, namely, grid/raster, quadtree, and triangular irregular network.. A basic concept of DIM data structure is [r] ...
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THERMAL DIGITAL TERRAIN MODEL OF A COAL SPOIL TIP – A WAY OF IMPROVING MONITORING AND EARLY DIAGNOSTICS OF POTENTIAL SPONTANEOUS COMBUSTION AREAS
... Methods used for creating a final product, a discreet thermal Digital Terrain Model proven fast and effective. What is more, if two discreet methods are compared, the results quality is simi- lar and ...
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Use of the Wavelet Transform for Digital Terrain Model Edge Detection (Special Issue—Wavelet Analysis)
... and digital terrain models (DTM) obtained by Remote Sensing is an important research problem for mapping, especially in large scales (1:10,000 and larger), due to the need for greater detailing of the ...
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Simulation of the Indonesian land gravity data using a digital terrain model data
... a digital chart of the world (DWC) developed by NIMA (Nation of Imagery and Map- ping Agency) on the ...tial model, with the data source of 30 × 30 interval mean average gravity anomaly (Lemoine et ...
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A development and application of GIS in Whanganui Catchment based river environment classification system : a thesis presented in partial fulfilment of the requirements for the degree of Master in Resource and Environmental Planning, Massey University
... This project focuses on generating a Digital Terrain Model DTM for the Whanganui river catchment to determine Whanganui catchment boundaries and a series of hydrology parameters such as [r] ...
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Proposal of using GIS for multi criteria evaluation of environmentally friendly use of skidding technologies in forestry
... The second approach represents solutions which take into account real conditions of the territory, mainly the terrain characteristics. These solutions have gradually prevailed thanks to quick develop- ments in the ...
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Soil terrain modelling and erosion analysis at field scale level, a case study
... and digital soil mapping represent a progressive approach to the evaluation of various terrain-related soil ...detailed digital terrain model was used for the analysis of erosion – ...
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DIGITAL ELEVATION MODELS AND SLOPE ANALYSIS IN SOME PART OF PURNA RIVER SUBBASIN, CENTRAL INDIA
... Currently Digital elevation models (DEMs) is considered as the main resource for the extraction of various geomorphologic and topographic features depending on their elevation, spatial distribution and deviations ...
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Accuracy assessment of digital terrain model datasets
... DEM, ASTER GDEM V2 and two airborne LiDAR derived DTMs (at 5 and 1 m spatial resolution, 28.. respectively) were analysed in a comparative study in three geomorphologically co[r] ...
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Canopy height estimation from lidar data using open source software compared with commercial software
... of Digital Terrain Model (DTM) and Digital Surface Model (DSM), further on estimates the canopy height by using Light Detection and Ranging (LIDAR) ...a digital representation of ...
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Spatial Distribution Pattern and Terrain Analysis of Urban Flash Floods and Inundated Areas in Maiduguri Metropolis, Borno State, Northeast, Nigeria
... The Digital Terrain Model (DTM) has identified the flood risk areas within the metropolis and has provided adequate knowledge of the flood situation for gov- ernment intervention towards curtailing ...
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GeometricCorrection o f A i r b o r n e R a d a r S A R Imageon aD i g i t a l T e r r a i nMo d e l , a n dO v e r l a y with S a t e l l i t e S P O T D a t a
... The geometric rectfication a radar image on the digital terrain model is the starting point that should be used to compare images with different geometries. Spot imaging is less sensitive to ...
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Paper 05-2009-1
... HPS (storage hydro-profile) is located within the storage. One channel link is used to drain out a certain amount of water to the plant or into the downstream channel. Figure 1 shows one part of “Vlasina” catchment ...
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Study of the LiDAR accuracy in mapping forest road alignments and estimating the earthwork volume
... resolution digital terrain model extracted from LiDAR can be used to produce rapid, easy and ac- curate longitudinal section of ...the terrain elevation ...
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Soil erosion
... A computer program analyzes the digital elevation model and outputs a digital terrain model; it models surface configuration by using topographic indices computed for surface points corr[r] ...
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