Paul Sestras

Paul Sestras
Universitatea Tehnica Cluj-Napoca | UT Cluj · Department of Land Measurements and Cadastre, Faculty of Civil Engineering

Lecturer PhD

About

43
Publications
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270
Citations

Publications

Publications (43)
Article
Full-text available
Watercourses act like a magnet for human communities and were always a deciding factor when choosing settlements. The reverse of these services is a potential hazard in the form of flash flooding, for which human society has various management strategies. These strategies prove to be increasingly necessary in the context of increased anthropic pres...
Article
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Nova Geodesia (https://novageodesia.ro), Issue 1, Volume 2, 2022: The papers published in this issue represent interesting novelties in different topics of geodetic science. Among the exciting articles, we invite readers to find news about: Documenting 20th and 21st century glacier change and landscape evolution with maps and land, aerial, and spac...
Article
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Changes in land use, increasing of agricultural areas to the detriment of wooded ones, and poor management of agricultural land, along with the impact of current changes in the climate (reflected in the increase of the climate aggression index) makes soil erosion one of the main risks associated with improper land use, with a direct impact on its p...
Article
Dear readers, an enthusiastic group of the representatives of the research area and universities set out to found the new journal Nova Geodesia through which to support the research in the domain in Romania (as ‘new geodesy’ – especially through: geodesy and cartography; topography and cadastre; photogrammetry and remote sensing), but also in the s...
Article
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We bring a practical and comprehensive GIS-based framework to utilize freely available remotely sensed datasets to assess wildfire ignition probability and spreading capacities of vegetated landscapes. The study area consists of the country-level scale of the Romanian territory, characterized by a diversity of vegetated landscapes threatened by cli...
Article
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Water erosion is a major cause of soil degradation worldwide. This natural phenomenon has been continually accelerated by anthropogenic activities, with constants increase of soil losses. The main objective of this study was to apply the Modified Universal Soil Loss Equation (MUSLE) model to estimate soil loss in rainy events during one year period...
Article
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WHAT IS SMART WATERSHED MANAGEMENT? SUMMARY Smart management (SM) in different aspects of our planet earth is an emerging tool for today's world. Since the watershed is a basic unit for all agricultural, environmental, and socioeconomic researches and developments, so SM practicing at the watershed scale is critical. In this sense, SM in a watershe...
Article
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The accentuated degradation of agricultural lands as a result of deep erosion processes is the main problem identified in abandoned agricultural lands under the rainfall intensities, increasing number of hot days, indirectly under the impact processes derived from them (soil erosion, vegetation drying, etc.), as well as inadequate or poor managemen...
Article
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The layout or stake-out is one of the most important assignments of the surveying engineer, and it is of vital importance in the building process, as the designed geometries of the structure ensure the verticality and the correct positioning inside the terrain. The mission of the surveying engineer involves both legal and technical aspects, and the...
Article
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Typically, in scientific publications, peer review processes are used to maintain the quality standards of the research activity and its results presented in manuscripts submitted for publication, to improve performance, relevance and give them credibility. The peer review helps the publisher (editor-in-chief and editors, respectively the editorial...
Article
Geodesy is the science of measuring and representing the earth, whose beginnings are ancient and are found in antiquity. Like other disciplines, it has known a continuous evolution, along with the evolution of human society and the development of knowledge. More than in other sciences, the evolution of geodesy has been dramatically influenced by ad...
Preprint
Full-text available
We bring a practical and comprehensive GIS-based framework to utilize freely available remote sensed datasets to assess wildfire ignition probability and spreading capacities of vegetated landscapes. The study area consists of the country-level scale of the Romanian territory, characterized by a diversity of vegetated landscapes threatened by the c...
Article
Full-text available
Landslides are a worldwide occurring hazard that can produce economic impact and even fatalities. The collection and monitoring of data regarding active landslides are important for pre-dicting future landslides in that region, and is critical to minimize the losses caused. In the expand-ing metropolitan area of Cluj-Napoca, Romania, drastic change...
Article
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Water erosion is one of the main degradation processes of tropical soils. In steepest areas with coffee cultivation, the erosion rates are intensified and could reach levels above the Soil Loss Tolerance Limits (T). Thus, the objective of this work was to evaluate the susceptibility to water erosion in steepest areas under predominant coffee cultiv...
Article
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The Someș Corridor, located in the central Transylvanian region of Romania, is a territory characterised by favourable conditions for habitation and land use with agricultural purposes, offering suitable premises for the development of the settlements and the economic activities taking place in the area. This study aims to identify the parcels of l...
Article
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The aim of this research was to study the impact of application technique and rate of liquid starter fertilizer applied with a novel device on the production of corn. Starter fertilizer was applied in the root system range of freshly germinated plants in the 'belt' and 'point' forms at different quantities (35, 50, 70, and 100 L ha −1), which led t...
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Biogradska Gora National Park in Montenegro is part of the Dinaric Mountains mixed forest, which belongs to the montane region of the Dinaric Alps. This paper presents some of the main structural and ecological characteristics of the mixed broadleaved old-growth forest with beech [Fagus moesiaca (Domin, Maly) Czecz.], sycamore maple (Acer pseudopla...
Conference Paper
Full-text available
Water erosion is one of the main degradation processes of tropical soils. In steepest areas with coffee cultivation, the erosion rates are intensified and could reach levels above the Soil Loss Tolerance Limits (T). Thus, the objective of this work was to evaluate the susceptibility to water erosion in steepest areas under predominant coffee cultiv...
Article
Full-text available
The Transylvanian region of Romania is a place of rich history since ancient times, where the original natural environment around architectural heritage sites or buildings has not been severely altered by urban development. Unfortunately, many such places are left by the authorities to degrade or totally collapse for lack of funds, vision or initia...
Article
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The study was carried out in the watershed of Oued El Abid that is located upstream of the Bin El Ouidane Dam in Morocco. Looking for a sustainable watershed management practices, we estimated soil losses from the river basin and the sediment yield deposited in the dam of Bin El Ouidane, using the Intensity of Erosion and Outflow-IntErO model, base...
Conference Paper
Soil erosion is the displacement of the upper layer of soil and it is one of the forms of soil degradation. This natural process is caused by the dynamic activity of erosive agents, that is, water, ice (glaciers), snow, air (wind), plants, animals, and humans. Efficient estimation of the intensity of this process is very important for controlling a...
Article
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There is a great need for an efficient geographic information system (GIS) implementation in interdisciplinary domains for providing useful information for scientific and managerial processes of further improving land-use planning and decision making in horticulture. The main goal of this study was the creation of a digital map and GIS application...
Article
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The paper presents case study of the village of Mrkovi in the Bay of Kotor, Montenegro showing the importance of landscape identification and assessment in planning revitalization and development of Mediterranean rural settlements. The research revealed the methods of different landscape types identification and evaluation. Moreover, it showed how...
Article
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In the highly populated analysed territory, the expansion of the construction zones and the pressure imposed on the slopes by the housing and transport infrastructure led to the appearance and reactivation of mass movement processes that affects the population and the environment. The purpose of this study consist in applying the principles of biva...
Book
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Green Room Sessions International Conference aims to be platform for international scientific discussion on agriculture in general as well as agriculture in conjunction with economics and ecology, food and nutrition science and technology, rural development, environment and forestry. Green Room Sessions brings together and is connecting research, i...
Conference Paper
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The research has been conducted in the Bijeli Potok Watershed (2.9 km 2) located in the northern Montenegro to investigate the effects of physical-geographical factors and land use on soil erosion process using the Erosion Potential Method (EPM) embedded in the Intensity of Erosion and Outflow model (IntErO), predicting peak discharge, soil erosion...
Conference Paper
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Calculation of Soil erosion intensity and Runoff in the S7-8-int basin of the Shirindareh Watershed in Iran
Conference Paper
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Soil erosion is a growing problem within the Mountainous region of North Montenegro and Southwest Serbia being a very serious threat to soil quality of the agricultural land. We used IntErO model for the assessment of sediment yield and runoff in the Sekularska Rijeka river basin from the Northeast Montenegro. The studied area is characterized by t...
Article
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The functions and conventional roles of the forests have to be largely reconsidered when such forests are located in the close proximity of urban centres. The subject of this study was to evaluate different natural risks, especially landslides at an experimental study area that is located in Făget Forest, near the city of Cluj-Napoca, NorthWest of...
Conference Paper
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SUMMARY This research presents recently introduced approach by authors of the Ecological-Economic (Eco-Eco) modelling using the Intensity of Erosion and Outflow (IntErO) model for the assessment of soil erosion intensity and the impacts of different land covers on sediment yield. The Eco-Eco modelling approach has been applied in one of the sub-ba...
Article
Full-text available
This research presents recently introduced approach by authors of the Ecological-Economic (Eco-Eco) modelling using the Intensity of Erosion and Outflow (IntErO) model for the assessment of soil erosion intensity and the impacts of different land covers on sediment yield. The Eco-Eco modelling approach has been applied in one of the sub-basins of t...
Article
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This paper presents an Ecological-Economic (Eco-Eco) modelling using the Intensity of Erosion and Outflow (IntErO) model for calculation of sediment yield and runoff assessing the impacts of different land covers on soil erosion intensity. Calculations have been made for the Velicka River basin, which is one of 57 sub-basins of the Lim River in the...
Article
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The use of laser scanning for topographic monitoring in areas of closed mines is useful for preventing and detecting problems which can negatively influence the environment and the population. In Romania, almost all perimeters with salt deposits present the phenomena of instability, both underground as well as at ground surface. Terrestrial laser s...
Conference Paper
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RTK technology permanently changed the traditional survey methods. Surveying has grown into a high-tech discipline and with the rapid advancement of the global satellite positioning technology, GNSS RTK is capable of providing real-time centimetre-level positioning accuracy. Because of the remarkable urban expansion and buildings construction rate,...
Conference Paper
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In present day geodetic and survey practice, the possibilities for solving various geodetic tasks are numerous through the advances in technologies. Earth and excavation works are among the most common and important activities in the civil engineering field. In this research, in order to survey a construction site for a residential complex, the mea...
Article
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Agricultural land is one of the main resources for the development of rural communities and the peripheries of urban centres. An area of 936 km2, belonging to Intercommunity Association for Development Alba-Iulia, Transylvania region, Romania, was analysed in order to identify suitable land for agricultural use. This approach represents the stage p...
Article
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In many cases, the coordinates values of the support network, which were determined at different epochs, varies in the limit of measurement and calculation errors. In this case the problem is which of these points from the support network are fixed and which are displaced. The purpose of this paper is to establish the fixed points in the case of re...
Article
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Dragan Valley Dam is located in Cluj County near Ciucea and is built on plots and blades in double arc. With a height of 120 m and a canopy length of 424 m, the dam is considered the fifth largest in the country. The paper aims to present the horizontal displacements of the tracking landmarks embedded in the downstream face of the dam and the verti...
Conference Paper
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In essence, this paper addresses two issues related to the stability tracking of geodetic support network, respectively to the functional-stochastic analysis models used to determine the coordinates of the network points, as well as tracking the displacements of the landmarks located on the downstream of the dam. Support network related to the trac...
Article
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The paper refers to the monitoring of vertical displacements of rockfill (riprap) dams, displacements caused by the process of material compaction of dams. In order to monitor the vertical displacement, on the weir crest and berms situated on the downstream-side were placed tracking markers. To determine the vertical displacements was used a DNA 03...
Article
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Models for processing geodetic observations made in support networks related to hydropower objectives are the ones used in general geodetic networks. For geodetic observations processing, based on the type of measurements made, are used mathematical models corresponding to indirect and conditioned measurements of same precision or different precisi...
Article
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Irrigation systems are composed of a series of hydro-ameliorative works that provide water collection from the power source, adduction and distribution of water to the plants. These hydro-ameliorative works (irrigation, drainage) are extremely important for agriculture. The main objective of this paper is to obtain a feasible execution plan for the...

Projects

Projects (3)
Project
Nova Geodesia is a quarterly peer-reviewed journal aimed at disseminating significant research and original papers, critical reviews and short reviews in the geodesy, as an applied science that studies the shape and dimensions of the Earth, for the preparation of maps and plans. In this wide area, there are included close topics, related to cartography, urban administration and environment, engineering projects and construction such as dams, bridges, plants, border marking, landscape and ecology, environmental administration, geography, planetology, hydrograph. Articles should make a significant contribution to the advancement of knowledge or toward a better understanding of these concepts. The journal was created by researchers from Romanian universities as a necessity for the development of this field with relatively few specialized publications in Romania and Southeast Europe. An Editorial Board advises the journal. The total content of the journal may be used for educational, non-profit purposes without regard to copyright. The distribution of the material is encouraged with the condition that the authors and the source (Nova Geodesia) are mentioned. https://novageodesia.ro/index.php/ng ISSN 2810-2754 ISSN-L 2810-2754
Project
Call for contributions to a special issue of Applied Sciences journal: “GIS Methods, Models and Applications in Interdisciplinary Studies”. Current Impact Factor of Applied Sciences (MDPI journal), IF=2.679. JCR category rank: Q2: Engineering, Multidisciplinary | Q2: Physics, Applied | Q3: Chemistry, Multidisciplinary | Q3: Materials Science, Multidisciplinary Special Issue Information The main themes of this Special Issue include status analysis using GIS technology in order to develop methods of spatial analysis or geographical linkages to applied interdisciplinary research, innovative methods of research and data integration, as well as the processing and visualization of research results using the tools of spatial analysis and cartography. This Special Issue welcomes papers that address: • Application, validation, and comparison of results obtained by quantitative and qualitative spatial modelling, expert knowledge, deterministic models, etc. using GIS technology in environmental studies, geographical studies, engineering with an emphasis on the objective analysis of model representativeness and their degree of predictability in applied geomorphology, and natural and anthropic hazards and risk. • Projects and applications related to technical issues for work focused on GIS technology applications in forest monitoring and evaluating the spatio-temporal distribution of forest and animal species under the pressure of climate change. • Specific spatial analysis applications of GIS tools in built-up areas in different parts of the word and different states of development using remote sensing and satellite images. • Evaluation of geospatial technologies and digital geomorphological mapping for fluvial dynamics assessment, landslides, and soil erosion, used in the context of individual and cumulative risk assessment. • Information from long-term historical and actual field experimentation based on satellite images and UAV acquisition data in comparison with the current state-of-the-art in environmental studies. • Studies related to the identification of favourable or restrictive areas for different land uses (agricultural, crop distribution, forestry or building spaces) in the current context of climate changes, with impacts on ecological factors influence (climatic, pedological, hydrological) and anthropogenic pressure involving the use of GIS technology to identify the evolution trends, the correlations between the factors, and the elaboration of land-use planning proposals. • Integrating modern techniques of data acquisition in cadastre and technical documentation in order to increase productivity and mitigate field risk. Improvement of traditional topography and land surveys with the help of GIS applications. Other related topics on processing historical and new spatial data are welcome. This Special Issue aims to collect works in different fields of research using GIS spatial analysis techniques. Research papers, extended review works, and works involving technical GIS applications and databases are encouraged. Keywords • GIS modelling • Remote sensing and GIS • Spatial analysis • Physical geography • Field experimentation and GIS Processing • Methodological aspects of forest monitoring • Geomorphological analysis and mapping • Fluvial dynamics • Hazard scenario analysis • Soil erosion and land degradation • Multirisk assessment • Terrain analysis • Regional planning • Modern land survey and topography • GIS assessment in cadastre and technical documentation We invite you to visit the web page of this SI and find instructions for authors and manuscripts submission, the article processing charge (APC) for publication in this open-access journal and other details. We would be delighted to inform your colleagues and collaborators about the possibility of contributing to this special issue. Deadline for manuscript submissions: 31 December 2021. Guest Editors Sanda Rosca Ștefan Bilașco Dănuț Petrea Titus Cristian Man Paul Sestraș https://www.mdpi.com/journal/applsci/special_issues/GIS_Interdisciplinary_Studies
Project
This project relies on a long-run research interest on understanding the wildfire phenomenon. Here, wildfire is accepted as a process rather than an event, which stretches into at least the pre-occurrence, propagation, and post-fire phases. In turn, this invites many variables and factors (anthropogenic, hydro-meteorological, geophysical, etc.) into discussion which are defined as criteria within the cause-effect cycles of wildfires. The spatial scale covers both the rural forests as well as the vegetated surfaces within wildland urban interface (WUI). Transforming the analytical workflows into reproducible models via GIS technologies remains a crucial goal of this project.