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Artykuły w czasopismach na temat „Geographic Information Systems and NRCS-CN-GIS Model”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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Sprawdź 21 najlepszych artykułów w czasopismach naukowych na temat „Geographic Information Systems and NRCS-CN-GIS Model”.

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1

Prof, Dr Krishna Mohan Maddali, and Dr M. L. Narasimham Prof. "Distributed Hydrological Model for an Ungauged Subcatchment Msa5 in Andhra Pradesh, India." International Journal of Engineering Research and Advanced Technology (IJERAT) 3, no. 5 (2017): 22–43. https://doi.org/10.5281/zenodo.583810.

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Rainfall and runoff producing mechanisms are not only stochastic but are also spatially variable. But unfortunately, many hydrological models do not account for this spatial variability of watersheds and instead use lumped or spatially averaged parameters. Recent advances in Geographic Information Systems have made it possible to account for this spatial variability of hydrological parameters, thus enabling the invention and application of distributed models which are superior to the conventional approaches. The major problem in the assessment of relationships between rainfall and runoff occur

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Mohamed, E. S., M. A. Abdellatif, Sameh Kotb Abd-Elmabod, and M. M. N. Khalil. "Estimation of surface runoff using NRCS curve number in some areas in northwest coast, Egypt." E3S Web of Conferences 167 (2020): 02002. http://dx.doi.org/10.1051/e3sconf/202016702002.

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The sustainable agricultural development in the northwest coast of Egypt suffers constantly from the effects of surface runoff. Moreover, there is an urgent need by decision makers to know the effects of runoff. So the aim of this work is to integrate remote sensing and field data and the natural resource conservation service curve number model (NRCS-CN).using geographic information systems (GIS) for spatial evaluation of surface runoff .CN approach to assessment the effect of patio-temporal variations of different soil types as well as potential climate change impact on surface runoff. DEM wa

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Mitchell, Keith M., David R. Pike, and Helena Mitasova. "Using a Geographic Information System (GIS) for Herbicide Management." Weed Technology 10, no. 4 (1996): 856–64. http://dx.doi.org/10.1017/s0890037x00040926.

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An algorithm was developed for use in a geographic information system (GIS) to model the surface movement of herbicide in response to a rainfall event as modulated by slope, soil, management practices, and time of herbicide application. This algorithm was implemented in the GIS software Geographic Resource Analysis Support System (GRASS) and uses as submodels the Natural Resources Conservation Service (NRCS) curve number procedure, the Universal Soil Loss Equation (USLE), and the pesticide submodel from the model Chemicals, Runoff, and Erosion from Agricultural Management Systems (CREAMS). The

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Malekani, L., S. Khaleghi, and M. Mahmoodi. "APPLICATION OF GIS IN MODELING ZILBERCHAI BASIN RUNOFF." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XL-2/W3 (October 22, 2014): 181–86. http://dx.doi.org/10.5194/isprsarchives-xl-2-w3-181-2014.

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Runoff is one of most important hydrological variables that are used in many civil works, planning for optimal use of reservoirs, organizing rivers and warning flood. The runoff curve number (CN) is a key factor in determining runoff in the SCS (Soil Conservation Service) based hydrologic modeling method. The traditional SCS-CN method for calculating the composite curve number consumes a major portion of the hydrologic modeling time. Therefore, geographic information systems (GIS) are now being used in combination with the SCS-CN method. This work uses a methodology of determining surface runo

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Shukur, Hayat Kareem. "Estimation Curve Numbers using GIS and Hec-GeoHMS Model." Journal of Engineering 23, no. 5 (2017): 1–11. http://dx.doi.org/10.31026/j.eng.2017.05.01.

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Recently, the development and application of the hydrological models based on Geographical Information System (GIS) has increased around the world. One of the most important applications of GIS is mapping the Curve Number (CN) of a catchment. In this research, three softwares, such as an ArcView GIS 9.3 with ArcInfo, Arc Hydro Tool and Geospatial Hydrologic Modeling Extension (Hec-GeoHMS) model for ArcView GIS 9.3, were used to calculate CN of (19210 ha) Salt Creek watershed (SC) which is located in Osage County, Oklahoma, USA. Multi layers were combined and examined using the Environmental Sy

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Pathak, Shray, Chandra Shekhar Prasad Ojha, Rahul Dev Garg, Min Liu, Daniel Jato-Espino, and Rajendra Prasad Singh. "Spatiotemporal Analysis of Water Resources in the Haridwar Region of Uttarakhand, India." Sustainability 12, no. 20 (2020): 8449. http://dx.doi.org/10.3390/su12208449.

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Watershed management plays a dynamic role in water resource engineering. Estimating surface runoff is an essential process of hydrology, since understanding the fundamental relationship between rainfall and runoff is useful for sustainable water resource management. To facilitate the assessment of this process, the Natural Resource Conservation Service-Curve Number (NRCS-CN) and Geographic Information Systems (GIS) were integrated. Furthermore, land use and soil maps were incorporated to estimate the temporal variability in surface runoff potential. The present study was performed on the Harid

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Bentahar, Kheira, Djilali Yebdri, and Naoual Baghli-Merabet. "Utilization of an ArcGIS geographic information system and a HEC-HMS hydrological model to simulate some of the Tafna sub-catchments." STUDIES IN ENGINEERING AND EXACT SCIENCES 5, no. 2 (2024): e12026. https://doi.org/10.54021/seesv5n2-755.

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This study aims to develop a flood forecasting system for the Tafna watershed in northwestern Algeria. The system will combine Geographic Information Systems (GIS) and the hydrological modeling tool HEC-Geo HMS to simulate the watershed's behavior during extreme rainfall events. By using remote sensing data, the study will improve the accuracy of hydrological parameter estimation and physical process representation. The methodology involves several steps It begins with data collection and Preparation: Extracting SRTM images and creating a digital terrain model (DTM). Next, GIS Analysis: Deline

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Karim Coulibaly, Lenikpoho, and Naga Coulibaly. "THE IMPACT OF CLIMATE CHANGE ON SEDIMENT TRANSPORT CAPACITY: A CASE STUDY OF THE BOUBO COASTAL WATERSHED." Environment & Ecosystem Science 7, no. 1 (2023): 01–12. http://dx.doi.org/10.26480/ees.01.2023.01.12.

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For soil erosion modeling, determining sediment transport capacity (Tc) is essential because it plays a key role in sediment detachment, transport, and deposition research. This paper provides insights into the seasonal spatial distribution of sediment transport capacity, excess runoff depth in response to the distribution of precipitation, and land use at a watershed scale, using SCN Curve Number (CN) method, Remote Sensing (RS), and Geographic Information Systems (GIS). Spatial distribution in runoff production on hillslopes and sediment transport are explained. We integrated the effect of s

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Keshta, Eatemad, Mohamed A. Gad, and Doaa Amin. "A Long–Term Response-Based Rainfall-Runoff Hydrologic Model: Case Study of The Upper Blue Nile." Hydrology 6, no. 3 (2019): 69. http://dx.doi.org/10.3390/hydrology6030069.

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This study develops a response-based hydrologic model for long-term (continuous) rainfall-runoff simulations over the catchment areas of big rivers. The model overcomes the typical difficulties in estimating infiltration and evapotranspiration parameters using a modified version of the Soil Conservation Service curve number SCS-CN method. In addition, the model simulates the surface and groundwater hydrograph components using the response unit-hydrograph approach instead of using a linear reservoir routing approach for routing surface and groundwater to the basin outlet. The unit-responses are

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K C, Karthik, Prashanta M, Ravikumar D, G. M. Devagiri, and Murali K V. "Runoff Dynamics and Soil Erosion Assessment using a SWAT Model at Upper Cauvery River Basin." International Journal of Environment and Climate Change 14, no. 11 (2024): 292–307. http://dx.doi.org/10.9734/ijecc/2024/v14i114546.

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The increasing availability of geospatial datasets on watershed characteristics and hydro-meteorological variables emphasises the importance of integrated hydrological models for effective catchment management. Climatic and physiographic determinants such as topography, land use, soil properties, and anthropogenic interventions substantially influence a catchment's hydrological equilibrium. The SWAT model was used to elucidate rainfall-runoff dynamics in the Upper Cauvery River Basin, Karnataka, India (36,682 km²), applying the SCS Curve Number (CN) method for runoff estimation. Runoff was est

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11

Mulungo, Maureen, John Paul Obiero, and Christine Omuto. "HYDROLOGICAL MODELLING FOR FLOOD RISK ANALYSIS IN SELECTED SUB COUNTIES, NAIROBI, KENYA." Journal of Engineering in Agriculture and the Environment 9, no. 2 (2023): 1–17. http://dx.doi.org/10.37017/jeae-volume9-no2.2023-4.

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The study is on flood risk analysis in Mathare, Kamukunji and Makadara Sub-Counties. The objective of this study is to utilize Geographic Information System (GIS)-based hydrological model with remote sensing to analyze the risk of flood in the residential areas of the three sub-counties. Synthetic Aperture Radar (SAR) data was obtained from Sentinel Mission 1 via Copernicus Open Access Hub. Corrected data SAR data was used to create a 10m resolution Digital Elevation Model (DEM). Multispectral Satellite Imagery that was used to perform Land-use/Land-cover analysis using object-based classifica

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12

Mohammed, Fahmy, Diary Al-Manmi, and Ghafor Hamasur. "The Efficiency of SCS-CN, HEC-1, HEC-HMS, TR55, RATIONAL, and SNYDER UNIT Hydrograph Models for Determining Peak Flood Discharge in the Upper Part of Lesser Zab Basin, Kurdistan Region, Iraq." Iraqi Bulletin of Geology and Mining 19, no. 1a (2023): 163–79. http://dx.doi.org/10.59150/ibgm1901a010.

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The Unit Hydrograph (UH) and Soil Conservation Service Curve Number (SCS-CN) are prevalent methods for estimating peak flow and peak time within the hydrological river basins. Different types of data, such as gauging data, morphometric analysis, and Land Use-Land Cover (LULC), are used to derive UH for the Kanarwe River Basin (KRB), which is an off-the-Lesser Zab River Basin (LZRB). Different hydrograph models, including HEC-1 (Hydrological Engineering Centre), TR55 (Technical release 55), HEC-HMS (Hydrological Engineering Centre-Hydrological Modeling System), Rational method, and Snyder unit

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Alcober, Chris Alfred, and Richmark Macuha. "DEVELOPMENT AND ANALYSIS OF A GIS-BASED CURVE NUMBER MAP OF THE PHILIPPINES." ASEAN Engineering Journal 14, no. 2 (2024): 173–81. http://dx.doi.org/10.11113/aej.v14.21013.

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Stormwater management requires quantitative methods to determine objective flood risk by estimating how much rainfall becomes runoff. With the absence of a locally generated runoff coefficient database in the Philippines, the standard model for surface runoff estimation is yet to be implemented using homegrown datasets. Traditionally, the empirical method is adapted from the National Resources Conservation Service (NRCS). The method quantifies rainfall-runoff relationships underscoring the combined effects of ground cover, soil hydraulic conductivity, and antecedent runoff condition (ARC) on r

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Malamassam, Miranda R., and Sandra E. Pakasi. "ANALISIS PERUBAHAN BILANGAN KURVA ALIRAN PERMUKAAN PADA BEBERAPA SKENARIO PEMANFAATAN LAHAN DI SUB DAS LATOMA, DAS KONAWEHA, SULAWESI TENGGARA." PERENNIAL 3, no. 1 (2007): 19. http://dx.doi.org/10.24259/perennial.v3i1.166.

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Sub watershed of Latoma has to be considered as an area of the important regions in South East Sulawesi, because it takes a great responsibility as a water supplier in Konaweha watershed. Konaweha watershed is a source of irrigation and domestic water for Kolaka Regency, Konawe Regency, South Konawe Regency and Kendari Municipality which has been recently in a critical condition. For this reason, it should be well managed. This study was implemented with the aim of establishing model of land use in Latoma sub watershed that can preserve the land and water resources. The method employs a system

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Daide, Fatima, Rachida Afgane, Abderrahim Lahrach, Abdel-Ali Chaouni, Mohamed Msaddek, and Ismail Elhasnaoui. "Application of the HEC-HMS hydrological model in the Beht watershed (Morocco)." E3S Web of Conferences 314 (2021): 05003. http://dx.doi.org/10.1051/e3sconf/202131405003.

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This work focused on the collection and preparation of the data required for the hydrological modelling of the Beht catchment area, which covers an area of 4560 km2 with a perimeter of 414 km, by combining the various spatial technologies, in particular geographical information systems (GIS), remote sensing, and digital terrain models (DTM), with hydrological models in order to prepare for spatial hydrological modelling used for flood forecasting. The methodology consists, at first, in the automatic extraction of the sub-basins and the drainage network. Then, edit these data using the HEC-GEO-

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Hamdan, Ahmed Naseh Ahmed, Suhad Almuktar, and Miklas Scholz. "Rainfall-Runoff Modeling Using the HEC-HMS Model for the Al-Adhaim River Catchment, Northern Iraq." Hydrology 8, no. 2 (2021): 58. http://dx.doi.org/10.3390/hydrology8020058.

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It has become necessary to estimate the quantities of runoff by knowing the amount of rainfall to calculate the required quantities of water storage in reservoirs and to determine the likelihood of flooding. The present study deals with the development of a hydrological model named Hydrologic Engineering Center (HEC-HMS), which uses Digital Elevation Models (DEM). This hydrological model was used by means of the Geospatial Hydrologic Modeling Extension (HEC-GeoHMS) and Geographical Information Systems (GIS) to identify the discharge of the Al-Adhaim River catchment and embankment dam in Iraq b

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Rincón, Daniela, Usman Khan, and Costas Armenakis. "Flood Risk Mapping Using GIS and Multi-Criteria Analysis: A Greater Toronto Area Case Study." Geosciences 8, no. 8 (2018): 275. http://dx.doi.org/10.3390/geosciences8080275.

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Given the increase in flood events in recent years, accurate flood risk assessment is an important component of flood mitigation in urban areas. This research aims to develop updated and accurate flood risk maps in the Don River Watershed within the Great Toronto Area (GTA). The risk maps use geographical information systems (GIS) and multi-criteria analysis along with the application of Analytical Hierarchy Process methods to define and quantify the optimal selection of weights for the criteria that contribute to flood risk. The flood hazard maps were generated for four scenarios, each with d

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"Arid Lands Flood Evaluation and Mitigation Measures Using HEC-HMS Model and Best Management Practices (BMPs)." Global NEST: the international Journal, October 9, 2022. http://dx.doi.org/10.30955/gnj.004221.

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<p>This study emphasis on draining and slowing runoff volumes in arid and semi-arid lands regions using HEC-HMS model linked with various Best Management Practices (BMPs) alternatives. The proposed methods may help significantly in reducing flash flood precipitation and improving instream water quality. It provides facilities to increase flood retention times and infiltration rates. Recently, flash flooding in arid lands is occurring on almost every two-year basis and is threatening human lives and damaging properties. Modern urbanization of the cities has great impacts on flooding schem

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Ahmed Majeed, Shirwan, and Ezzeddine Juma Darwish. "Estimation of the runoff of the Qalatopzan and Parewla Basins using the (SCS-CN) model." Journal of Kurdistani for Strategic Studies, no. 8 (August 31, 2023). http://dx.doi.org/10.54809/jkss.vi8.301.

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In this study, water runoff estimation by SCS-CN model for both Qalatopzan and Parewla watersheds which located in northeastern of Iraq and eastern part of Kurdistan Region in Kalar district, and lies on latitude (34o:51-: 33=) and (35o :04-: 52=) north and longitude (45o:21-: 50=) and(45o :34-: 59=) east thet located in the semi-mountainous area. The total catchment area is about (235.46 km2), and Qalatopzan watershed with an area of (148.74 km2) with a rate of (63.17%) and Parewla drainage with an area of (86.72 km2) and (36.83%) form the research area which distributed into two main str

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Fasipe, O. A., and O. C. Izinyon. "Exponent determination in a poorly gauged basin system in Nigeria based on flow characteristics investigation and regionalization method." SN Applied Sciences 3, no. 3 (2021). http://dx.doi.org/10.1007/s42452-021-04302-3.

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AbstractIn this study, a method for estimating the exponent “n” values of the catchment-area equations of four sub-basins within the poorly gauged Benin-Owena River Basin Development Authority (BORBDA) in Nigeria is presented to enable the estimation of flows at ungauged sites within the basin and the determination of small hydropower (SHP) potential at different locations in each sub-basin and the entire basin. Optimal prediction of streamflow characteristics in poorly gauged basin requires developing a methodology for extrapolation of data from gauged to ungauged sites within the basin. Four

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"Systematic approach for ungaged basins’ discharge determination in Western Peloponnese, Greece." Issue 3 14, no. 3 (2013): 344–53. http://dx.doi.org/10.30955/gnj.000878.

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Determining peak flows for ungaged areas is difficult and involves high uncertainty. Advanced computer capabilities provided by geographical information systems and hydrologic modeling software are used for detailed determination of the parameters involved, both for simple methods as the rational method and more detailed ones as the application of synthetic hydrographs. For the determination of the runoff coefficients and other runoff parameters, digital elevation models were combined with geologic and land use maps in order to extract morphologic and other distri

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