Search
Search Results
-
Experience of Constructing Digital Elevation Models with Unmanned Aerial Vehicles
AbstractThis paper briefly reviews modern approaches and methods for generating digital elevation models. The focus is on photogrammetric model...
-
Digital elevation models for high-resolution base flood elevation map** in a densely populated city
Base flood elevation (BFE) and design flood elevation (DFE) are essential references for building floodproofing. Previous BFE and DFE map** methods...
-
Effects of Digital Elevation Models on Spatial Characterisation of Landslides in the Kalka-Shimla Region of the Indian Himalayas
Landslides are complex geohazards responsible for damage to life, the natural environment, and essential infrastructures like buildings, roads, and...
-
Peak extraction and classification from digital elevation models based on the relationship between morphological characteristics and spatial position
A peak is an important topographic feature crucial in quantitative geomorphic feature analysis, digital geomorphological map**, and other fields....
-
Methods of Processing and Analyzing Digital Elevation Models of Bottom
Methods for spatial mathematical processing of seafloor digital elevation models (DEM) make it possible us to obtain a wide range of characteristics...
-
Evaluating the Impact of Digital Elevation Models on Urban Flood Modeling: A Comprehensive Analysis of Flood Inundation, Hazard Map**, and Damage Estimation
Digital Elevation Models (DEMs) play a crucial role in flood management. This study aims to assess the effect of various global DEMs (GDEMs),...
-
Global digital elevation models for terrain morphology analysis in mountain environments: insights on Copernicus GLO-30 and ALOS AW3D30 for a large Alpine area
This study focuses on the quality evaluation of two of the best 1 arc-second public global digital elevation models (DEMs), Copernicus GLO-30 DEM and...
-
Modern High-Resolution Digital Elevation Model of the Kara Sea Bottom
AbstractThe digital elevation model (DEM) of the Kara Sea bottom was created on the basis of multiscale navigation charts from the Department of...
-
-
A comparative analysis of the vertical accuracy of multiple open-source digital elevation models for the mountainous terrain of the north-western Himalaya
The digital elevation model (DEM), a quantitative depiction of the topography, is crucial for hydrological and Earth Science applications. It is...
-
Comparison of two open-source digital elevation models for 1D hydrodynamic flow analysis: a case of Ozat River basin, Gujarat, India
The Ozat River originates from the Gir forest in the Junagadh district, and the river mouth is near Navi Bandar in the Porbandar district. Before...
-
Comparison of Multiple Machine Learning Methods for Estimating Digital Elevation Points
Numerous engineering applications need topographic surfaces, and topography should be adequately determined. This study evaluates the estimation...
-
-
Generating digital elevation model from farm fields using smartphone
Productivity and efficiency of the agricultural sector have been important issues in recent years. Useful information helps to improve procedures of...
-
Digital map** of soil-texture classes in Batifa, Kurdistan Region of Iraq, using machine-learning models
Soil texture is a key physical property that has a large effect on several other soil properties that are important for managing and planning...
-
Modeling of vertical gravity gradient by normal gravity field and digital terrain models
Vertical gravity gradient, as a change of gravity with the change in height, is a significant physical quantity used in many geodetic and geophysical...
-
Vertical accuracy assessment of open source digital elevation models under varying elevation and land cover in Western Ghats of India
The selection of suitable DEM from available open-source DEMs like SRTM, ALOS World 3D, CARTOSAT-1, ASTER-GDEM, TanDEM-X which are acquired through...
-
Comparison and Validation of Satellite-Derived Digital Surface/Elevation Models over India
India presents among the world’s most topographically complex geomorphologies, with land elevations ranging from –2 m to + 8586 m and terrain...
-
Uncertainties in Digital Elevation Models from Global Advanced Land Observing Satellite (ALOS) digital topography data in the Indian subcontinent
The study of the Earth's topographic surface using digital topography is an important component of many problems in the Earth Sciences. The 30-m...
-
Digital soil map**: a predictive performance assessment of spatial linear regression, Bayesian and ML-based models
Nowadays, information on the spatial distribution of soil properties is considered a key element for environmental research and for agricultural...
