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26 articles for “digital elevation model”
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Digital Elevation Model (DEM) Extraction using Google Earth and Terrain Zonum Solutions Online Tool
Abstract: Topographic data or DEM are commonly perceived as providing loaded information for various types of modeling. However, this information severely limited and most users rely on published topographic maps or DEM produced by government agencies. This paper proposes an alternative method of generating DEM by using online source of elevation data which is easier and free. Firstly, the location of the study area identified in Google Earth and marked using …
Published in Journal of Remote Sensing & GIS · Vol. 9, Issue 3, 2018 · pp. 23–29 Read article
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Employing Digital Elevation Model (DEM) for Floodplain mapping with applications of HEC-HMS, HEC-RAS, and ArcGIS : A Review
Abstract: Disasters caused by climate change have wreaked havoc on the environment around the world in recent decades, to the point that even deserts have been flooded. Considering floods as a major disaster across various countries, this research has accumulated different methodologies and techniques to analyze flood mapping according to geography of many regions across the world. This paper discusses about flood plain mapping and analysis of the past two decades. …
Published in Journal of Remote Sensing & GIS · Vol. 13, Issue 2, 2022 · pp. 1–15 Read article
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Coastal Vulnerability Index for Parts of Orissa Coast, East Coast of India, Bay of Bengal
Abstract: Coastal zones are highly dynamic in nature and now a days worst affected by the increasing frequency of the extreme events like tsunami, storm surge and cyclone as result of global climatic change. So there is a need for inculcating efficient and sustainable use of coastal zone in management practices keeping in mind the needs of future generation and it is necessary to plan out some strategic methods which requires …
Published in Journal of Remote Sensing & GIS · Vol. 5, Issue 3, 2014 · pp. 1–9 Read article
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DEM Processing Methods
Abstract: Digital elevation model (DEM) is used generically to mean the digital cartographic representation of the earth in any form, rectangular grids or lattices, triangular networks or irregular spot heights, and breaklines. This paper aims to present a review of recent techniques used in satellite image processing, especially with focus on DEM processing. The reviewed approaches are classified according to the various techniques used in processing DEM, various filters used in …
Published in Journal of Remote Sensing & GIS · Vol. 4, Issue 1, 2013 · pp. 13–28 Read article
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Implementation of Drone Technology to Prepare a Contour Map of Nesave Village
Abstract: Nowadays modern surveying techniques or instruments like DGPS, LiDAR and Drones are widely used as they cover more area in less time for surveying. Such techniques can even be used where visiting survey areas are tough or not possible. Drones are used instead of traditional surveying in a village named Nesave. Drones are used to capture images and process them using specialized software such as Agisoft Metashape Professionals and QGIS …
Published in Journal of Geotechnical Engineering · Vol. 12, Issue 2, 2025 · pp. 1–13 Read article
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DTM Generation and Avalanche Hazard Mapping using Large Format Digital Photogrammetric Data and Geomatics Technique
Abstract: The main objective of the study is Digital Terrain Model (DTM) generation from aerial photogrammetric data and identify and map the potential avalanche prone zones in Manali region. Avalanche is a dynamic hazardous phenomenon in the snow-bound mountainous terrain. Mapping of avalanche prone terrain is crucial to minimize the avalanche hazard. Nowadays, airborne data capturing technology, such as large-format Photogrammetry, has opened new vistas for the mapping of complex and …
Published in Journal of Remote Sensing & GIS · Vol. 4, Issue 2, 2013 · pp. 4–13 Read article
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Examining the Influence of DEM Resolution in Flood Hazard Assessment using the Flood Modeller Pro 2D Solver
Abstract: Floods are the most frequent natural hazards that threat the human life, environment and infrastructure. The flood prediction models that have wide use in the recent years represent important tools for flood management decisions aiming to mitigate the impacts of the flood events. The accuracy of the constructed prediction models is based on the quality of the primary data, such as the terrain’s resolution. This study examines the effect of …
Published in Journal of Water Resource Engineering and Management · Vol. 4, Issue 1, 2017 · pp. 14–24 Read article
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Extraction of Drainage Pattern and Watershed from SRTM Data Using GIS Tools: A Case Study
Abstract: This paper proposes a fast and an inexpensive method for delineating the drainage and watershed of a sub-basin. Planning of the water resource management is evolving from simple local-scale problems toward complex spatially explicit regional scale. Such problems have to be addressed with distributed models that can compute runoff and erosion at different spatial and temporal scales. In general, watershed can range from as little as one hectare to hundreds …
Published in Journal of Remote Sensing & GIS · Vol. 7, Issue 1, 2016 · pp. 1–9 Read article
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Estimation of Soil Erosion for Sheonath River Basin by Using RUSLE and GIS
Abstract: Soil erosion is biggest problem throughout the world and its various hazardous impacts on human; it affects the quality of soil as well as quality of water. Its assessment and mapping of erosion prone area are very essential for soil conservation and watershed management. There are various models developed for soil loss estimation. Revised universal soil loss equation is most widely used. In present study, the RUSLE method is used …
Published in Journal of Water Resource Engineering and Management · Vol. 4, Issue 2, 2017 · pp. 33–41 Read article
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Soil Erosion Assessment and Its Effect on Sustainability for a Mountainous Watershed using Remote Sensing and GIS
Abstract: Normal 0 false false false EN-US X-NONE AR-SA Normal 0 false false false EN-US X-NONE AR-SA MicrosoftInternetExplorer4 Normal 0 false false false EN-US X-NONE AR-SA MicrosoftInternetExplorer4 Soil erosion is an important social and economic problem, and an essential factor in assessing health and function of ecosystem. Soil-erosion control requires a quantitative evaluation of potential soil erosion on a specific location. The revised universal soil loss equation (RUSLE), remote sensing, and …
Published in Journal of Remote Sensing & GIS · Vol. 4, Issue 3, 2013 · pp. 68–80 Read article
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Towards Renewable Energy Transition: Evaluating Wind Resources in Odisha
Abstract: The urgency to transition to renewable energy sources is underscored by the environmental crises stemming from our reliance on non-renewable fuels. This study focuses on assessing wind energy potential in Odisha, India, utilizing satellite data and Geographic Information System (GIS) technologies. The research addresses the critical need for strategic planning and site selection before investing in renewable energy infrastructure. By employing a model that integrates various free satellite datasets and …
Published in Journal of Remote Sensing & GIS · Vol. 14, Issue 3, 2023 · pp. 27–42 Read article
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Identification and Prioritization of Critical Erosion Prone and Water Potential Areas of Manandragarh Watershed Using HEC-HMS for Management
Abstract: This study was carried out at Indira Gandhi Krishi Vishwavidyalaya, Raipur (CG) on hydrological modelling and development of soil and water conservation plan for critical erosion prone and water potential sub-watersheds of Manendragarh watershed of upper Hasdeo subbasin in Chhattisgarh using Hydrological Engineering Centre-Hydrological Modelling System (HEC-HMS). The Hydrological Engineering Centre-Geo Hydrological Modelling System (HEC-Geo HMS) was utilized for developing the model setup, while the HEC-HMS model was employed to …
Published in Research & Reviews : Journal of Ecology · Vol. 14, Issue 1, 2025 · pp. 26–44 Read article
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Soil Erosion and Sediment Export in Berta Watershed Using GIS and USLE Model in Central Rift Valley Basin, Ethiopia: Implications for Sustainable Natural Resources Management
Abstract: Soil erosion and sedimentation of lake due to runoff is a major problem in Southern Ethiopia. Berta watershed is one of the watersheds in Rift valley Basin, contributing runoff to small Abaya (Tuffa) lake. However, no studies have been conducted on soil erosion and sediment yield from the entire watershed. Therefore, an updated Universal Soil Loss Model and Geographic Information System have been used to start the current study, which …
Published in Research & Reviews : Journal of Ecology · Vol. 12, Issue 1, 2023 · pp. 12–25 Read article
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Smart Water Harvester
Abstract: Smart water harvester is a wiser use of Data Science in the optimization of rainwater harvesting, taking into account the forecast of precipitation and ideal catchment areas, and basically image processing using machine learning. In that respect, the system, via predictive algorithms like Random Forests, predicts the amount of rainfall by taking into consideration historical and real-time data, while Digital Elevation Models (DEM) and visualization methodologies of images make geographical …
Published in Journal of Water Resource Engineering and Management · Vol. 11, Issue 3, 2024 · pp. 1–7 Read article
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DEM Development using Geographic Information System for Topographic Assessment
Abstract: Topography of the earth surface plays a vital role in the distribution of water within the natural land surfaces. This includes various hydrological processes like surface runoff, infiltration and evaporation. The quantitative assessment of these processes mainly depends upon the topography of the surfaces. Many topographic features can be computed directly from Digital Elevation Model (DEM). Assessment of topography manually is generally tedious, time consuming and often subject to error. …
Published in Journal of Water Resource Engineering and Management · Vol. 1, Issue 3, 2014 · pp. 17–23 Read article
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Site Suitability Analysis of Soil and Water Conservation Structures in Sillod Watershed, Maharashtra, India using Geographic Information System Approach: A Case Study
Abstract: Watershed development and management programs envisage the development activities along with sustainable utilization of natural resources would raise the living standards of watershed inhabitants. Construction of soil and water conservation structures is the main activity of watershed development program. Location of soil and water harvesting structures in watershed is very important factor for efficient watershed development program. Construction of water harvesting structures at best suitable location will not only conserve …
Published in Journal of Water Resource Engineering and Management · Vol. 4, Issue 2, 2017 · pp. 22–32 Read article
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Study of Morphometric and Topographic Parameters of Nashik District and Its Talukas Using GIS Tool
Abstract: In this article, an analysis of the morphometric and topographic characteristics of Nashik district and its talukas using GIS technology is done. The methodology discussed here involved various steps such as obtaining toposheets, georeferencing them, clipping relevant areas, mosaicking images together, allocating contours, preparing a Digital Elevation Model, delineating boundaries, deriving river networks and their properties. The results include important morphometric and topographic parameters for both Nashik district as a …
Published in Journal of Water Resource Engineering and Management · Vol. 10, Issue 2, 2023 · pp. 39–49 Read article
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GIS Based Assessment of Soil Erosion Using Universal Soil Loss Equation (USLE) in Wular Catchment of Kashmir
Abstract: The Universal Soil Loss Equation (USLE) has been assessed in the present study using Remote Sensing and GIS in order to estimate the potential Soil Loss at watershed level in Wular Catchment. Wular Catchment has an area of 1200.36 km2 and lies between 34o12′24″ and 34o36′26″ N latitude and 74o26′41″ and 74o56′02″E longitude. Its altitudinal range is from 1580 meters near Wular Lake to about 4500 meters in Harmukh range. …
Published in Journal of Remote Sensing & GIS · Vol. 8, Issue 3, 2017 · pp. 56–66 Read article
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MONITORING GLACIERS AND GLACIAL LAKES OF CHENAB BASIN USING GEOSPATIAL TOOLS
Abstract: Glacial lakes are usual phenomenon in the glacierized basin at high elevation. Glacial Lakes Outburst Floods are becoming a cause of concern for the local inhabitants of these retreating glaciers. Therefore, a detail study of the dynamics of river of moving ice and water is of much importance. The present study aims to investigate the dynamics of the glacier using geospatial tools and remote sensing and to make an inventory …
Published in Journal of Remote Sensing & GIS · Vol. 10, Issue 3, 2019 · pp. 58–67 Read article
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Vegetation Analysis with Reference to Topographic Variables using Remote Sensing Data
Abstract: AbstractThe study was carried out in Kalsa Watershed, Uttarakhand, India to analyze the vegetation composition, topographic attributes and distribution of different vegetation types in relation to topography. Remote Sensing data of Indian satellite IRS 1D-LISS III sensor was used to map vegetation and land use. Survey of India (SOI) topographic map was used to generate the Digital Elevation Model (DEM). A total of 10 vegetation and land use classes were …
Published in Research & Reviews : Journal of Ecology · Vol. 3, Issue 1, 2014 · pp. 31–40 Read article