Comparative analysis of the differences between using LiDAR and contour-based DEMs for hydrological modeling of runoff generating debris flows in the Dolomites [PDF]
, 2015 Present work aims to explore the differences in hydrological modeling when using digital elevation models (DEMs) generated by points from LiDAR surveys and those digitized on the contour lines of the regional technical map (RTM) and their relevance for ...
Bernard, Martino +2 more
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Exploring multiple viewshed analysis using terrain features and optimisation techniques [PDF]
, 2004 The calculation of viewsheds is a routine operation in geographic information systems and is used in a wide range of applications. Many of these involve the siting of features, such as radio masts, which are part of a network and yet the selection of ...
Kim, YH, Rana, S, Wise, S
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Perfection of technology in compiling the optimal digital terrain model
Geodesy and Cartography, 2012 The article analyses digital terrain model accuracy dependence on both the terrain type and selected method for surface modeling. The authors suggest the technique to be able to split the surface into different categories of the terrain.
Algirdas Kumetaitis +1 more
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VEGETATION REMOVAL FROM UAV DERIVED DSMS, USING COMBINATION OF RGB AND NIR IMAGERY [PDF]
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018 Current advancements on photogrammetric software along with affordability and wide spreading of Unmanned Aerial Vehicles (UAV), allow for rapid, timely and accurate 3D modelling and mapping of small to medium sized areas.
D. Skarlatos, M. Vlachos
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Cellular-Automata model for dense-snow avalanches [PDF]
, 2007 This paper introduces a three-dimensional model for simulating dense-snow avalanches, based on the numerical method of cellular automata. This method allows one to study the complex behavior of the avalanche by dividing it into small elements, whose ...
Avolio M. V. +7 more
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Airborne photogrammetry and LIDAR for DSM extraction and 3D change detection over an urban area : a comparative study [PDF]
, 2013 A digital surface model (DSM) extracted from stereoscopic aerial images, acquired in March 2000, is compared with a DSM derived from airborne light detection and ranging (lidar) data collected in July 2009.
De Maeyer, Philippe +4 more
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A comparison analysis of different photogrammetric softcopies for geodata production
Geodesy and Cartography, 2014 Up-to-date mapping technologies for geodata production are widely applicable in Remote Sensing and Photogrammetry Communities. Therefore, the education in Remote Sensing and photogrammetric methods becomes very important using different image processing ...
Mažena Voitechovič, Birutė Ruzgienė
doaj +1 more source
FLIAT, an object-relational GIS tool for flood impact assessment in Flanders, Belgium [PDF]
, 2019 Floods can cause damage to transportation and energy infrastructure, disrupt the delivery of services, and take a toll on public health, sometimes even causing significant loss of life. Although scientists widely stress the compelling need for resilience
Beullens, Jochem +4 more
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On daily interpolation of precipitation backed with secondary information [PDF]
, 2010 This paper investigates the potential impact of secondary information on rainfall mapping applying Ordinary Kriging. Secondary information tested is a natural area indicator, which is a combination of topographic features and weather conditions.
Ahrens, Bodo, Krähenmann, Stefan
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Simulations as Part of the BIM Concept in Urban Management [PDF]
, 2019 Smart city management is part of the Smart Cities concept and can be an essential element for further development in this area. The BIM concept, based on a 3D model, data and for all the beneficial cooperation, expands exponentially in the civil ...
Faltejsek, Michal
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