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1.

001-es BibID:BIBFORM120148
035-os BibID:(cikkazonosító)100906
Első szerző:Guizani, Douraied (okleveles mezőgazdasági vízgazdálkodási mérnök)
Cím:Enhancing water balance assessment in urban areas through high-resolution land cover mapping: Case study of Debrecen, Hungary / Douraied Guizani, Erika Buday-Bódi, János Tamás, Attila Nagy
Dátum:2024
ISSN:2667-0100
Megjegyzések:Land cover (LC) mapping in urban areas is one of the core applications in remote sensing (RS), and it plays an important role in modern urban planning and management. In order to support up-to-date simplified water balance calculation, LC modelling needs to be developed for precise and high-resolution operations to monitor rapidly expanding urban areas. This study provides a spatial decision support tool for urban water balance calculations considering hydrological parameters at pixel scale. The study is aimed to create a high-resolution LC map for more precise water balance calculations to identify and link the most important parameters, such as crop coefficient, for estimating crop evapotranspiration, runoff coefficients, and infiltration rate. Meteorological data from 2016 to 2019 were involved in evapotranspiration estimation. The study site is Debrecen, a city in northeast Hungary with a population of about 200,000. By integrating Landsat 8 imagery, Google Earth (GE), and Corine Land Cover (CLC), a LC map of 30 m resolution was created with 81.2 % overall accuracy (OA) and a coefficient of kappa greater than 0.78. For the classification of Landsat 8, seven classes were assigned (forests, sealed surfaces, areas with crop cover, grassland, semi-sealed surfaces, bare ground and surface water bodies). Classification results were validated by 101 ground truth samples using other satellite images and aerial photographs. Water balance parameters (i.e. surface runoff, infiltration and evapotranspiration) were then defined and calculated at a pixel scale and for larger areas. The technique developed in this study can also be utilized in other urban areas.
Tárgyszavak:Természettudományok Földtudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Water balance calculation
Landsat 8
Landcover modelling
Remote sensing
Debrecen
Megjelenés:Environmental Challenges. - 15 (2024), p. 100906-. -
További szerzők:Bódi Erika (1989-) (geológus, geográfus) Tamás János (1959-) (környezetgazdálkodási agrármérnök) Nagy Attila (1982-) (környezetgazdálkodási agrármérnök)
Pályázati támogatás:RRF2.3.121202200008
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2.

001-es BibID:BIBFORM119257
Első szerző:Guizani, Douraied (okleveles mezőgazdasági vízgazdálkodási mérnök)
Cím:Identification of water balance properties of urban atlas using Landsat 8 data / Douraied Guizani, Erika Budayné Bódi, János Tamás, Attila Nagy
Dátum:2022
Megjegyzések:Water is a natural resource essential to the survival of populations and to the prosperity of their agricultural, industrial, and therefore economic activities. Despite the fact that the earth is the Blue Planet, it is water that is most lacking to Humanity [Grafton, 2011; Brun, 2012]. The growing population is converging on cities, where soil artificialization and various types of urban development are altering the local water cycle. In a watershed, urbanization can significantly change the natural water cycle. However, today's urban knowledge of the hydrological cycle is limited and there is still a lack of compatible data suitable for the generation of topical information about the urbanized water parameters and its changes at different scales. Furthermore, precise and small-scale urban water balance computations are not widely developed. In this context, the necessity for this research stems from the fact that efficient urban water management requires a comprehensive understanding of anthropogenic impacts on the urban hydrological cycle and the environment. Such effects vary widely in time and space, and must be assessed in relation to local climate, urban growth, cultural and environmental, as well as other socioeconomic aspects.
ISBN:978-83-7493-220-2
Tárgyszavak:Természettudományok Környezettudományok előadáskivonat
könyvrészlet
Urban hydrology
Landsat 8
Sentinel 2
Urban Atlas
Runoff
Evapotranspiration
Infiltration
Megjelenés:Book of abstract XXII Conference of PhD Students and Young Scientists : Interdisciplinary topics in mining and geology / szerk. Jan Blachowski. - p. 41-42. -
További szerzők:Bódi Erika (1989-) (geológus, geográfus) Tamás János (1959-) (környezetgazdálkodási agrármérnök) Nagy Attila (1982-) (környezetgazdálkodási agrármérnök)
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3.

001-es BibID:BIBFORM119028
Első szerző:Guizani, Douraied (okleveles mezőgazdasági vízgazdálkodási mérnök)
Cím:Land cover modelling with Sentinel 2 in water balance calculations of urban sites / Douraied Guizani, Erika Buday-Bódi, Janos Tamas, Attila Nagy
Dátum:2023
ISSN:2064-3004
Megjegyzések:This study investigates how a land cover map is produced using Sentinel 2 satellite images and how the resulting map is integrated with the calculation of hydrological parameters. Due to its capacity to deliver high-resolution spatial data, satellite imagery is increasingly being used for land cover mapping (1). The process involves several stages, including pre-processing of the Sentinel 2 imagery, image classification using machine learning algorithms, and post- processing of the classified image to generate a land cover map. The resulting land cover map is then integrated with hydrological parameters such as precipitation, evapotranspiration, and soil characteristics to calculate various hydrological parameters. Debrecen, north-east Hungary is the study area. This study's method is suitable for usage in other cities. Understanding the relationship between land cover and water availability requires the integration of the land cover map with hydrological parameters (2). The study demonstrates the potential of using remote sensing data for hydrological studies and highlights the importance of integrating various data sources for accurate estimation of hydrological parameters. The results show that the land cover classes have a significant impact on the water balance of urban sites. This study outlines the key steps involved in creating a land cover map using Sentinel 2 satellite imagery and integrating it with hydrological parameters calculation. The application of this strategy supports sustainable water management techniques and offers insightful information about a region's hydrological processes.
Tárgyszavak:Természettudományok Környezettudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Megjelenés:Journal of Central European Green Innovation. - 11 : 3 (2023), p. 70-83. -
További szerzők:Bódi Erika (1989-) (geológus, geográfus) Tamás János (1959-) (környezetgazdálkodási agrármérnök) Nagy Attila (1982-) (környezetgazdálkodási agrármérnök)
Pályázati támogatás:RRF-2.3.1-21-2022-00008
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4.

001-es BibID:BIBFORM112737
035-os BibID:(cikkazonosító)012027 (Scopus)85164940477
Első szerző:Guizani, Douraied (okleveles mezőgazdasági vízgazdálkodási mérnök)
Cím:Enhancing the Urban Atlas Features with the Water Balance Estimates Using the Landsat 8 Imagery / Douraied Guizani, Erika Buday-Bódi, János Tamás, Attila Nagy
Dátum:2023
ISSN:1755-1307 1755-1315
Megjegyzések:Between climate change and anthropogenic forcing, pressure on water resources is continually increasing all over the world. The growing population is gathering more and more in cities where the artificialization of soils and urban developments of all kinds are modifying the local water cycle. However, knowledge about the hydrological cycle in urban areas is not well developed today. Urbanization in a watershed can produce significant changes to the natural water cycle, mainly because permeable soils have been covered by less permeable surfaces. The consequences of this urbanization can be significant and multiple. The assessment of urban water resources aims to provide a suitable circumstances for planning, conditions for the planning, design, construction, operation, and maintenance of works used for irrigation and sanitation, among other applications. The methodology of the research is based on the data collection, which includes climatic data from June 2021 to June 2022 and the use of Digital elevation model to create a hydrographic network. The second part is land use data processing to create a land cover map using maximum Likelihood Supervised Classification, by combining different band composites of Landsat 8 images and NDVI to differentiate between vegetative and non-vegetative areas. However, CORINE Land Cover database was utilized to distinguish between continuous and discontinuous urban area in this classification. The final step in the process is to determine the hydrological coefficients by calculating the water cycle parameters (Evapotranspiration Runoff and Infiltration) for each land-use class. Furthermore, establishing a link between land use and hydrological behaviour and conducting a precise calculation of water balance-related coefficients in urban areas using Urban Atlas 2018.
Tárgyszavak:Agrártudományok Növénytermesztési és kertészeti tudományok konferenciacikk
folyóiratcikk
Megjelenés:IOP Conference Series: Earth and Environmental Science. - 1189 : 1 (2023), p.1-15. -
További szerzők:Bódi Erika (1989-) (geológus, geográfus) Tamás János (1959-) (környezetgazdálkodási agrármérnök) Nagy Attila (1982-) (környezetgazdálkodási agrármérnök)
Pályázati támogatás:National Laboratory of Water Science and Water Safety project RRF-2.3.1-21-2022-00008
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5.

001-es BibID:BIBFORM102143
Első szerző:Guizani, Douraied (okleveles mezőgazdasági vízgazdálkodási mérnök)
Cím:Characterisation of basic water balance parameters of Debrecen / Douraied Guizani, Erika Budayné Bódi, János Tamás, Attila Nagy
Dátum:2022
ISSN:1587-1282
Tárgyszavak:Agrártudományok Növénytermesztési és kertészeti tudományok idegen nyelvű folyóiratközlemény hazai lapban
folyóiratcikk
Megjelenés:Agrártudományi közlemények = Acta agraria Debreceniensis. - 1 (2022), p. 35-40. -
További szerzők:Bódi Erika (1989-) (geológus, geográfus) Tamás János (1959-) (környezetgazdálkodási agrármérnök) Nagy Attila (1982-) (környezetgazdálkodási agrármérnök)
Pályázati támogatás:TKP2020-IKA-04
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