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Journal articles on the topic 'SWAT-CUP'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Yuan, Lifeng, and Kenneth J. Forshay. "Evaluating Monthly Flow Prediction Based on SWAT and Support Vector Regression Coupled with Discrete Wavelet Transform." Water 14, no. 17 (2022): 2649. http://dx.doi.org/10.3390/w14172649.

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Reliable and accurate streamflow prediction plays a critical role in watershed water resources planning and management. We developed a new hybrid SWAT-WSVR model based on 12 hydrological sites in the Illinois River watershed (IRW), U.S., that integrated the Soil and Water Assessment Tool (SWAT) model with a Support Vector Regression (SVR) calibration method coupled with discrete wavelet transforms (DWT) to better support modeling watersheds with limited data availability. Wavelet components of the simulated streamflow from the SWAT-Calibration Uncertainty Procedure (SWAT-CUP) and precipitation

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2

Lee, Chang-Hun, Namjoo Lee, and Jong-Tae Kim. "SWAT model calibration/validation using SWAT-CUP in Danjang-stream watershed." Journal of the Korea Academia-Industrial cooperation Society 22, no. 9 (2021): 235–46. http://dx.doi.org/10.5762/kais.2021.22.9.235.

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3

Yuan, Lifeng, and Kenneth J. Forshay. "Enhanced streamflow prediction with SWAT using support vector regression for spatial calibration: A case study in the Illinois River watershed, U.S." PLOS ONE 16, no. 4 (2021): e0248489. http://dx.doi.org/10.1371/journal.pone.0248489.

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Accurate streamflow prediction plays a pivotal role in hydraulic project design, nonpoint source pollution estimation, and water resources planning and management. However, the highly non-linear relationship between rainfall and runoff makes prediction difficult with desirable accuracy. To improve the accuracy of monthly streamflow prediction, a seasonal Support Vector Regression (SVR) model coupled to the Soil and Water Assessment Tool (SWAT) model was developed for 13 subwatersheds in the Illinois River watershed (IRW), U.S. Terrain, precipitation, soil, land use and land cover, and monthly

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4

Bhattarai, Shreeya, Prem B. Parajuli, and Filip To. "Comparison of Flood Frequency at Different Climatic Scenarios in Forested Coastal Watersheds." Climate 11, no. 2 (2023): 41. http://dx.doi.org/10.3390/cli11020041.

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Climate change-induced extreme precipitation causes coastal flooding. A streamflow simulation in coastal watersheds, Wolf River Watershed (WRW) and Jourdan River Watershed (JRW), was conducted using the Soil and Water Assessment Tool (SWAT) to compare variation in flow at different climates and to analyze the flood frequency. Baseline models were auto-calibrated with SWAT calibration and uncertainty programs (SWAT-CUP). Kling–Gupta efficiency (KGE), defined as the objective function in SWAT-CUP, ranged from 0.8 to 0.7 in WRW and from 0.55 to 0.68 in JRW during the calibration–validation proces

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Alves, Wellmo dos Santos, Alécio Perini Martins, and Raina Santos Ferreira. "MODELAGEM APLICADA NA ESTIMATIVA DE VAZÃO DE UMA BACIA HIDROGRÁFICA NO SUDOESTE DE GOIÁS, CERRADO BRASILEIRO." Caminhos de Geografia 23, no. 85 (2022): 261–82. http://dx.doi.org/10.14393/rcg238557899.

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É fundamental uma gestão dos recursos hídricos que integre os diferentes usuários e que garanta, com vistas ao desenvolvimento sustentável, a disponibilidade hídrica para toda a sociedade. Assim, torna-se importante a geração de dados para subsidiar o planejamento e a gestão de bacias hidrográficas (BH) de forma condizente com o desenvolvimento ecologicamente equilibrado. Considerando o exposto, objetivou-se estimar a vazão hídrica em sete pontos na BH do Rio Verdinho, no Sudoeste de Goiás, Cerrado Brasileiro. Foi usado o modelo Soil and Water Assessment Tool (SWAT), sendo a modelagem realizad

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Pathrabe, Mahendra N. "Sedimentation Yield Analysis of Kamthikhairy Dam Reservoir using SWAT and SWAT-CUP Algorithm." International Journal for Research in Applied Science and Engineering Technology 9, no. 1 (2021): 797–806. http://dx.doi.org/10.22214/ijraset.2021.32920.

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7

Choi, Heung Sik. "Parameter Estimation of SWAT Model Using SWAT-CUP in Seom-river Experimental Watershed." Journal of The Korean Society of Civil Engineers 33, no. 2 (2013): 529–36. http://dx.doi.org/10.12652/ksce.2013.33.2.529.

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8

Zhang, Dejian, Wenjie Fu, Qiaoying Lin, and Xingwei Chen. "WOF-SWAT: A Web-Based Open-Source Framework for Investigating the Hydrological Impacts of Climate Change and Human Activities Through Online Simulation and Visualization of SWAT Models." ISPRS International Journal of Geo-Information 8, no. 9 (2019): 368. http://dx.doi.org/10.3390/ijgi8090368.

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This study developed a web-based open-source framework based on the Soil and Water Assessment Tool (SWAT), named WOF-SWAT (web-based open-source framework for SWAT), to investigate individual and combined impacts of climate change, land use change, and point-source pollutants on watershed-scale hydrological and chemical processes. The architecture, workflows, interfaces, and key processes of WOF-SWAT are described and discussed. Using a previously developed well-calibrated hydrological model of the Jinjiang River basin, four scenarios were simulated in WOF-SWAT and other traditional desktop-ba

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9

DHAGE, PRADNYA M., ANKUR SRIVASTAVA, SURYACHANDRA A. RAO, AARTI SONI, and MAHESWAR PRADHAN. "Applicability of seasonal forecasts from dynamical models for reservoir management practices." MAUSAM 75, no. 2 (2024): 559–72. http://dx.doi.org/10.54302/mausam.v75i2.6229.

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Despite the availability of reliable seasonal forecasts of Indian Summer Monsoon Rainfall (ISMR), the use of dynamical models driven by these forecasts for reservoir level management is limited. Reservoir water management can specially be useful if it can be done several months in advance, in view of an impending drought/flood scenario. The applicability of seasonal forecasts from the Monsoon Mission (MM) seasonal forecast model for seasonal and monthly inflow forecasts for tropical Indian reservoirs (Mula and Kangsabati) is studied using the Soil and Water Assessment Tool (SWAT) hydrological

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10

Gholami, Abbas, Mahmood Habibnejad Roshan, Kaka Shahedi, Mehdi Vafakhah, and Karim Solaymani. "Hydrological stream flow modeling in the Talar catchment (central section of the Alborz Mountains, north of Iran): Parameterization and uncertainty analysis using SWAT-CUP." Journal of Water and Land Development 30, no. 1 (2016): 57–69. http://dx.doi.org/10.1515/jwld-2016-0022.

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AbstractThere are several methods and techniques for measuring the parameters and forecasting the errors in the hydrological models. In this study, semi distributed Soil and Water Asseeement Tool (SWAT) model and SWAT-CUP (CUP – Calibration and Uncertainty Programs) have been applied using SUFI2 program. After collection of data, the whole Talar watershed located in the central section of the Alborz Mountains, north of Iran was separated into 219 hydrological response units (HRU) in 23 sub-watersheds.In order to improve the simulation parameters and obtain better correlation of observed and si

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11

Zare, Mohammad, Shahid Azam, and David Sauchyn. "A Modified SWAT Model to Simulate Soil Water Content and Soil Temperature in Cold Regions: A Case Study of the South Saskatchewan River Basin in Canada." Sustainability 14, no. 17 (2022): 10804. http://dx.doi.org/10.3390/su141710804.

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Soil water content (SWC) and soil temperature are important hydrologic state variables. Accurate model simulation is critical in hydrologic regimes in cold regions dominated by spring snowmelt. In this study, we developed a combined physically-based soil temperature and energy-balance rain-on-snow (ROS) module for the Soil and Water Assessment Tool (SWAT) model and applied it to the South Saskatchewan River Basin (SSRB). We calibrated the SWAT base (SWAT-B) model and the SWAT modified (SWAT–M) model using daily measured soil temperature and SWC by hydrological response unit (HRU) for the years

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12

Sang Min, Kim. "Evaluation of Applicability of SWAT-CUP Program for Hydrologic Parameter Calibration in Hardware Watershed." Journal of The Korean Society of Agricultural Engineers 59, no. 3 (2017): 63–70. http://dx.doi.org/10.5389/ksae.2017.59.3.063.

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13

Jajarmizadeh, Milad, Lariyah Mohd Sidek, Sobri Harun, and Mohsen Salarpour. "Optimal Calibration and Uncertainty Analysis of SWAT for an Arid Climate." Air, Soil and Water Research 10 (January 1, 2017): 117862211773179. http://dx.doi.org/10.1177/1178622117731792.

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One of the major issues for semidistributed models is calibration of sensitive parameters. This study compared 3 scenarios for Soil and Water Assessment Tool (SWAT) model for calibration and uncertainty. Roodan watershed has been selected for simulation of daily flow in southern part of Iran with an area of 10 570 km2. After preparation of required data and implementation of the SWAT model, sensitivity analysis has been performed by Latin Hypercube One-factor-At-a-Time method on those parameters which are effective for flow simulation. Then, SWAT Calibration and Uncertainty Program (SWAT-CUP)

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14

Rao, I. Bhaskara, K. V. Rao, M. Nemichandrappa, G. V. Srinivasa Reddy, B. S. Polisgowdar, and M. Udaya Bhanu. "Hydrological Modeling of Krishna Upper Catchment Area of India Using Multisite Calibration and Validation of SWAT Model." Journal of Geography, Environment and Earth Science International 28, no. 11 (2024): 123–47. http://dx.doi.org/10.9734/jgeesi/2024/v28i11842.

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Multisite calibration & validation of model reduces the uncertainty present in the model parameters and improve the SWAT model output. In the present study, an effort was made to set up SWAT model along with multisite calibration and validation for Kishna upper basin of India. A total of six gauging stations maintained by Central water commission across the area were selected for SWAT model calibration and validation. Sequential Uncertainty Fitting (SUFI-2) programme of SWAT-CUP (Calibration and Uncertainty Programme) was employed to calibrate the SWAT model. During sensitivity analysis of

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15

El Orfi, Tarik, Mohamed El Ghachi, Sébastien Lebaut, and Ionel Haidu. "Application of the Soil and Water Assessment Tool (SWAT) Model for hydrological modelling in the Upper Oum Er Rbia watershed (Middle Atlas, Morocco)." IOP Conference Series: Earth and Environmental Science 1398, no. 1 (2024): 012014. http://dx.doi.org/10.1088/1755-1315/1398/1/012014.

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Abstract In the study assessing the impact of global change on hydrosystems, particularly water resources, calibrated and validated tools are deemed crucial for accurate representation of the area’s characteristics. The Soil and Water Assessment Tool “SWAT” model is identified through literature review as well-suited for evaluating changes in land use and climate effects on water balance components. Applied to the Upper Oum Er Rbia watershed and its sub-basins, namely Oum Er Rbia, Srou, and Ouaoumana, the SWAT model demonstrates its effectiveness over the 1982-2019 period. Employing the sequen

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16

Kebede, Adisu Befekadu. "INFLUENCE OF SOIL TYPE IN STREAM FLOW AND RUNOFF MODELED FOR THE UPPER DIDESSA CATCHMENT SOUTHWEST ETHIOPIA USING SWAT MODEL." Journal of Sedimentary Environments 4, no. 4 (2019): 444–57. http://dx.doi.org/10.12957/jse.2019.47322.

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This study aimed to model the flow of streams and identify the sub-basins responsible for the high flow in the Didessa watershed, southwest Ethiopia, considering the regional soils types. Soil and Water Assessment Tool (SWAT) model was used to simulate stream flow and quantify surface runoff. The input data used were Digital Elevation Model (DEM), land use/land cover map, soil map and metrological data. The data were obtained from Ministry of Water, Irrigation and Electricity and National Meteorology Agency of Ethiopia. Simulation of SWAT was used to identify the most vulnerable sub-basins to

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17

Kumar, Mithlesh, A.P. Sahu, J. C. Paul, and Lokesh Kumar Tinde. "Sensitivity analysis, Calibration and Validation of SWAT model for the Lower Mahanadi River Basin." Ecology, Environment and Conservation 29, no. 02 (2023): 744–50. http://dx.doi.org/10.53550/eec.2023.v29i02.033.

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Hydrological models are becoming a fundamental tool for natural resource planning and management; however, their application is hampered by a lack of data for calibration and validation. Therefore, the aim of this study is to calibrate and validate the SWAT model in the Lower Mahanadi River basin. The SWATCUP was used for sensitivity analysis, calibration, and validation of the model. Based on the sensitivity analysis, twelve parameters were calibrated by the SWAT-CUP. The model performance indicators (R2, NSE, and PBIAS) showed satisfactory results with 0.76, 0.78, and 6.6 during calibration

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18

Copeland, Nina K. L., Robert E. Griffin, Betzy E. Hernández Sandoval, Emil A. Cherrington, Chinmay Deval, and Tennielle Hendy. "Understanding Hydrological Responses to Land Use and Land Cover Change in the Belize River Watershed." Water 17, no. 13 (2025): 1915. https://doi.org/10.3390/w17131915.

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Increasing forest destruction from land use and land cover change (LULCC) has altered catchment hydrological processes worldwide. This trend is also endemic to the Belize River Watershed (BRW), a significant source of land and water resources for Belize. This study aims to understand LULCC impacts on BRW hydrological responses from 2000 to 2020 by applying the widely used Soil and Water Assessment Tool (SWAT). This study identified historical trends in LULCC in the BRW and explored an alternative 2020 land cover scenario to elucidate the role of protected forests for hydrological response regu

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19

Martins, Letícia Lopes, Wander Araújo Martins, Jener Fernando Leite De Moraes, Mário José Pedro Júnior, and Isabella Clerici De Maria. "Calibração hidrológica do modelo SWAT em bacia hidrográfica caracterizada pela expansão do cultivo da cana-de-açúcar." Revista Brasileira de Geografia Física 13, no. 2 (2020): 576. http://dx.doi.org/10.26848/rbgf.v13.2.p576-594.

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A dificuldade na gestão de recursos hídricos aliada à dinâmica do uso e ocupação do solo em bacias hidrográficas agrícolas são fatores relevantes para a conservação da água e solo. A gestão de bacias hidrográficas, bem como o monitoramento de cenários de expansão agrícola e mudança no uso do solo, podem se beneficiar de ferramentas de modelagem hidrossedimentológica, como o SWAT (Soil and Water Assessment Tool). Entretanto, para que os resultados obtidos sejam confiáveis, os modelos precisam ser calibrados. Objetivou-se, neste trabalho, calibrar e validar o modelo SWAT, para a variável vazão,

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20

Abeysingha, N. S., Adlul Islam, and Man Singh. "Assessment of climate change impact on flow regimes over the Gomti River basin under IPCC AR5 climate change scenarios." Journal of Water and Climate Change 11, no. 1 (2018): 303–26. http://dx.doi.org/10.2166/wcc.2018.039.

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Abstract Climate change impact on flow regimes in the Gomti River basin, India was studied using the Soil and Water Assessment Tool (SWAT) driven by climate change scenarios generated from multiple general circulation model (GCM) projections. The SWAT-CUP (SWAT-Calibration and Uncertainty Programs) was used for calibration and validation of SWAT using multi-site data. Climate change scenarios were generated from multiple GCM projections using the hybrid-delta ensemble method. Calibration of SWAT using the nine most sensitive parameters showed that the model performed reasonably well with P-fac

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21

Rao, Bhaskara, K. V. Rao, G. V. Srinivasa Reddy, M. Nemichandrappa, B. S. Polisgowdar, and M. Udaya Bhanu. "Comparison of performance of SWAT and SIMHYD models in simulation of stream flow from Hidkal dam catchment area of India under present and future scenarios." Ecology, Environment and Conservation 29 (2023): 404–14. http://dx.doi.org/10.53550/eec.2023.v29i03s.070.

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A study was conducted to compare the performance of SWAT and SIMHYD models in prediction of stream flow from the catchment of Hidkal dam of Karnataka in India for present and future scenarios. SWAT and SIMHYD models were used for the present study and calibrated with SWAT-CUP and generic algorithm respectively. The performance of models were tested with Nash Sutcliffe Efficiency (NSE), RMSE observations standard deviation ratio (RSR), Coefficient of Determination (R2) and Per cent Bias (PBIAS). The SWAT model performed well and very good agreement between monthly observed and simulated stream

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22

Ayele, Gebiaw, Engidasew Teshale, Bofu Yu, Ian Rutherfurd, and Jaehak Jeong. "Streamflow and Sediment Yield Prediction for Watershed Prioritization in the Upper Blue Nile River Basin, Ethiopia." Water 9, no. 10 (2017): 782. http://dx.doi.org/10.3390/w9100782.

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Inappropriate use of land and poor ecosystem management have accelerated land degradation and reduced the storage capacity of reservoirs. To mitigate the effect of the increased sediment yield, it is important to identify erosion-prone areas in a 287 km2 catchment in Ethiopia. The objectives of this study were to: (1) assess the spatial variability of sediment yield; (2) quantify the amount of sediment delivered into the reservoir; and (3) prioritize sub-catchments for watershed management using the Soil and Water Assessment Tool (SWAT). The SWAT model was calibrated and validated using SUFI-2

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Zare, Mohammad, Shahid Azam, and David Sauchyn. "Evaluation of Soil Water Content Using SWAT for Southern Saskatchewan, Canada." Water 14, no. 2 (2022): 249. http://dx.doi.org/10.3390/w14020249.

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Soil water content (SWC) is one of the most important hydrologic variables; it plays a decisive role in the control of various land surface processes. We simulated SWC using a Soil and Water Assessment Tool (SWAT) model in southern Saskatchewan. SWC was calibrated using measured data and Soil Moisture Active Passive (SMAP) Level-4 for the surface (0–5 cm) SWC for hydrological response units (HRU) at daily and monthly (warm season) intervals for the years 2015 to 2020. We used the SUFI-2 technique in SWAT-CUP, and observed daily instrumented streamflow records, for calibration (1995 to 2004) an

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24

Nguyen, Trang Thi Thuy, and Khoi Nguyen Dao. "Modelling the hydrology and water quality of 3S river system (Sekong, Sesan and Srepok)." Science and Technology Development Journal 19, no. 2 (2016): 107–17. http://dx.doi.org/10.32508/stdj.v19i2.808.

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The objective of this study was to simulate the hydrologic characteristic and water quality of 3S rivers system (Sekong, Sesan and Srepok) using SWAT model (Soil and Water Analysis Tool). Agriculture and forest are the main land use types in this basin accounting for more than 80 % of the total area. Therfore, nitrogen and phosphorus were selected to be parameters for water quality assessment. SWAT-CUP model was applied to calibrate the model for stream flow and water quality based on SUFI-2 (Sequential Uncertainty Fitting version 2) method. The model performance has been assessed by three sta

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Tani, Hamidullah, and Gokmen Tayfur. "Modelling Rainfall-Runoff Process of Kabul River Basin in Afghanistan Using ArcSWAT Model." Journal of Civil Engineering and Construction 12, no. 1 (2023): 1–18. http://dx.doi.org/10.32732/jcec.2023.12.1.1.

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Kabul River Basin is the most populated and an important source of water resources in Afghanistan. The Soil and Water Assessment Tool (SWAT) model, together with the ArcGIS and SWAT-CUP, is employed to predict the runoff in the basin. Nine years of meteorological and hydrological data are employed in the study. The DEM, the soil cover, and the land use/cover data are downloaded from the available global database. The ArcGIS based soil classification, the land use/cover, the elevation, the drainage, and the slope distribution maps of the basin are generated. The meteorological data from 18 diff

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Anjum, Noshin, and Md Motaleb Hossain. "Sensitivity Analysis of the Physiographic Parameters of the Teesta River Basin by Hydrological Modelling." Asian Journal of Geographical Research 7, no. 3 (2024): 1–16. http://dx.doi.org/10.9734/ajgr/2024/v7i3238.

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Estimating the discharge from a rainfall event is a challenging task because of a number of affecting elements. A multitude of physiographic factors are essential for both channel and surface flow. In a developing nation like Bangladesh, discharge measurement is critical for forecasting floods, managing land, measuring sediment, nutrients and promoting sustainable development. It is possible to measure the discharge and physiographic parameter using a hydrological model. Using a semi-distributed model Soil and water Assessment Tool (SWAT), the discharge of the Teesta River Basin, one of the mo

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Elmalki, Meysara, Fouad Mounir, Abdellah Ichen, Taoufiq Qaini, Thami Khai, and Mohammed Aarab. "Measuring land losses caused by water erosion using the SWAT model in the Ourika watershed in the High Atlas of Morocco." E3S Web of Conferences 234 (2021): 00083. http://dx.doi.org/10.1051/e3sconf/202123400083.

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In Morocco, the phenomena of water erosion cause significant economic losses mainly linked to the silting up of dams, the degradation of equipment and socio-economic infrastructures, the loss of soil productivity and the insecurity of the population. The SWAT (Soil and Water Assessment Tool) model was used to estimate the quantities of sediments generated by the various erosive processes at the level of the Ourika watershed. The SWAT modeling, which is done with daily time steps, used as basic data; a Digital Elevation Model GDEM-ASTER (Global Digital Elevation-Advanced Space borne Thermal Emi

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Ali, Fida, Chatchawin Srisuwan, Kuaanan Techato, Adul Bennui, Tanita Suepa, and Damrongrit Niammuad. "Theoretical Hydrokinetic Power Potential Assessment of the U-Tapao River Basin Using GIS." Energies 13, no. 7 (2020): 1749. http://dx.doi.org/10.3390/en13071749.

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Conventional hydropower technologies such as dams have been criticized due to their negative environmental effects which have necessitated the development of new technologies for sustainable development of hydropower energy. Hydrokinetic (HK) energy is one such emerging renewable energy technology and, in this study, a theoretical potential assessment was done using a Geographic Information System (GIS) and Soil and Water Assessment Tool (SWAT) hydrological model, for the U-Tapao river basin (URB), a major tributary of the Songkhla lake basin (SLB) in southern Thailand. The SWAT was calibrated

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Moreira, Luana Lavagnoli, Dimaghi Schwamback, and Daniel Rigo. "Sensitivity analysis of the Soil and Water Assessment Tools (SWAT) model in streamflow modeling in a rural river basin." Ambiente e Agua - An Interdisciplinary Journal of Applied Science 13, no. 6 (2018): 1. http://dx.doi.org/10.4136/ambi-agua.2221.

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The uncertainties present in hydrological models have made them difficult and often impossible to apply. This work evaluated the sensitivity of input parameters in the SWAT model used for the modeling of average monthly flow-discharge in the Jucu River Basin, located in the southeast portion of the state of Espírito Santo, Brazil. Sensitivity analysis was performed using the SWAT-CUP program, which uses the SUFI-2 algorithm. Four sensitivity analysis tests differing by the length of hydrological series, number of iteration and fluviometric station locations resulted in different sensitivity le

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Girma, Kebebew Tufa, and G. Mariam Bogale. "Impact of Land Use Change Study on Reservoir's Sediment Yield using SWAT Model Platform." International Journal of Engineering and Advanced Technology (IJEAT) 10, no. 1 (2020): 199–206. https://doi.org/10.35940/ijeat.E9877.1010120.

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The overall goal of this study is to evaluate the effect of land use on reservoir’s sediment yield by applying Arc SWAT model interface with GIS and identify the vulnerable sub basin in Neshi dam watershed. Different input data were collected from different sources including Ministry of Water, Irrigation and Energy, and Ethiopia National Meteorological Agency. The study was done using historical records of nineteen years for Neshi Watershed. The calibrated flow and sediment for the 1992-2001 years gave R2 0.77, 0.92 and NES 0.64, 0.96, respectively. The validated flow and sediment for th

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Lee, Eun-Hyoung, and Dong-Il Seo. "Flow Calibration and Validation of Daechung Lake Watershed, Korea Using SWAT-CUP." Journal of Korea Water Resources Association 44, no. 9 (2011): 711–20. http://dx.doi.org/10.3741/jkwra.2011.44.9.711.

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Chen, Yuechao, Makoto Nakatsugawa, and Hiroki Ohashi. "Research of Impacts of the 2018 Hokkaido Eastern Iburi Earthquake on Sediment Transport in the Atsuma River Basin Using the SWAT Model." Water 13, no. 3 (2021): 356. http://dx.doi.org/10.3390/w13030356.

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Landslides, debris flows, and other secondary disasters caused by earthquakes threaten the safety and stability of river basins. Earthquakes occur frequently in Japan. Therefore, it is necessary to study the impact of earthquakes on sediment transport in river basins. In this study, considering the influence of reservoirs, the Soil and Water Assessment Tool-calibration and uncertainty program (SWAT-CUP) was employed to analyze the runoff parameter sensitivity and to optimize the parameters. We manually corrected the sediment transport parameters after earthquake, using the Soil and Water Asses

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Karki, Ritesh, Puneet Srivastava, David D. Bosch, Latif Kalin, Jasmeet Lamba, and Timothy C. Strickland. "Multi-Variable Sensitivity Analysis, Calibration, and Validation of a Field-Scale SWAT Model: Building Stakeholder Trust in Hydrologic and Water Quality Modeling." Transactions of the ASABE 63, no. 2 (2020): 523–39. http://dx.doi.org/10.13031/trans.13576.

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HighlightsSWAT can adequately simulate runoff, soil moisture, cotton and peanut yields, and nitrate at field scale.Muskingum routing and adjusting DIS_STREAM are important to simulate fields as watersheds rather than HRUs.Crop yield calibration is critical for improving SWAT model robustness in nutrient transport simulations and for building stakeholder trust.SWAT can quantify the impacts of different management scenarios at the field scale.Abstract. Multi-variable calibration of a field-scale Soil and Water Assessment (SWAT) model is critical for understanding the true impacts of irrigation a

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Farias, Carolyne Wanessa Lins de Andrade, Jussara Freire de Souza Viana, Rodrigo De Queiroga Miranda, et al. "Técnica de calibração para modelagem da bacia hidrográfica do Rio São Francisco, Brasil, utilizando o SWAT." Revista Brasileira de Geografia Física 16, no. 3 (2023): 1621. http://dx.doi.org/10.26848/rbgf.v16.3.p1621-1628.

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O Soil and Water Assessment Tool (SWAT) é um modelo hidrossedimentológico que tem como foco principal avaliar os impactos das modificações no uso do solo sobre a qualidade e quantidade de água em bacias hidrográficas. Para que essas avaliações sejam adequadas, considerando a representatividade dos processos simulados pelo modelo, faz-se necessário a realização do procedimento de calibração. Muitos modeladores encontram grande desafio nesta etapa imprescindível da modelagem. Há uma grande variedade de parâmetros a serem considerados, diferentes algoritmos, bem como diferentes funções objetivas.

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Sime, Chala Hailu, and Wondmagegn Taye Abebe. "Sediment Yield Modeling and Mapping of the Spatial Distribution of Soil Erosion-Prone Areas." Applied and Environmental Soil Science 2022 (September 2, 2022): 1–12. http://dx.doi.org/10.1155/2022/4291699.

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Sediment movement is the most critical problem in Ethiopia, notably in the Ketar River watershed, which is located in the Rift Valley Basin. The Ketar River flows through rugged terrain with steep slopes and high sediment movement. The purpose of the study is to evaluate the Soil and Water Assessment Tool's (SWAT) ability to simulate sediment and to identify areas that are vulnerable to soil erosion. This will aid water resource planners in determining the appropriate corrective action. In SWAT sediment sensitivity analysis, the USLE soil erodibility factor (USLE-K) is found to be the most sen

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Sao, Davy, Tasuku Kato, Le Hoang Tu, Panha Thouk, Atiqotun Fitriyah, and Chantha Oeurng. "Evaluation of Different Objective Functions Used in the SUFI-2 Calibration Process of SWAT-CUP on Water Balance Analysis: A Case Study of the Pursat River Basin, Cambodia." Water 12, no. 10 (2020): 2901. http://dx.doi.org/10.3390/w12102901.

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Many calibration techniques have been developed for the Soil and Water Assessment Tool (SWAT). Among them, the SWAT calibration and uncertainty program (SWAT-CUP) with sequential uncertainty fitting 2 (SUFI-2) algorithm is widely used and several objective functions have been implemented in its calibration process. In this study, eight different objective functions were used in a calibration of stream flow of the Pursat River Basin of Cambodia, a tropical monsoon and forested watershed, to examine their influences on the calibration results, parameter optimizations, and water resources estimat

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Niknamian, Sorush. "The Climate Change Impacts on Water Resources and Crop Yield." Budapest International Research in Exact Sciences (BirEx) Journal 1, no. 3 (2019): 64–75. http://dx.doi.org/10.33258/birex.v1i3.381.

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This research evaluated climate change impacts on temperature, precipitation, and runoff using LARS-WG and SWAT models under climate scenarios. First, drought intensity was calculated for the period 1987-2016. Then, the LARS-WG model was calibrated to generate climatological data for future periods. The coefficients of precipitation as well as minimum and maximum temperature changes were simulated as SWAT model inputs. The results of LARS-WG model indicated that temperature will increase in future periods and that changes will occur not only in precipitation rate but also in its pattern. Then,

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Babaei, Hadi, Mohammad Nazari-Sharabian, Moses Karakouzian, and Sajjad Ahmad. "Identification of Critical Source Areas (CSAs) and Evaluation of Best Management Practices (BMPs) in Controlling Eutrophication in the Dez River Basin." Environments 6, no. 2 (2019): 20. http://dx.doi.org/10.3390/environments6020020.

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Best Management Practices (BMPs) are commonly used to control pollution in the river basins. Prioritization of BMPs helps improve the efficiency and effectiveness of pollution reduction, especially in Critical Source Areas (CSAs) that produce the highest pollution loads. Recently, the Dez River in Khuzestan, Iran, has become highly eutrophic from the overuse of fertilizers and pesticides. In this basin, dry and irrigated farming produce 77.34% and 6.3% of the Total Nitrogen (TN) load, and 83.56% and 4.3% of the Total Phosphorus (TP) load, respectively. In addition, residential, pasture, and fo

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Khan, Salman, Farhan Khan, and Yiqing Guan. "Assessment of gridded precipitation products in the hydrological modeling of a flood-prone mesoscale basin." Hydrology Research 53, no. 1 (2021): 85–106. http://dx.doi.org/10.2166/nh.2021.073.

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Abstract Precipitation plays a critical role in hydrometeorological studies. A predictive analysis of gridded rainfall datasets may provide a cost-effective alternative to conventional rain gauge observations. Here, our objective is to evaluate the performance of satellite and reanalysis precipitation products in the hydrological modeling of a mesoscale watershed. The research also examines the accuracy of hydrological simulations in a sizeable flood-prone watershed in the absence of observed data associated with the myriad water retaining structures present in the catchment. We use three prec

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Tudose, Nicu Constantin, Mirabela Marin, Sorin Cheval, et al. "SWAT Model Adaptability to a Small Mountainous Forested Watershed in Central Romania." Forests 12, no. 7 (2021): 860. http://dx.doi.org/10.3390/f12070860.

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This study aims to build and test the adaptability and reliability of the Soil and Water Assessment Tool hydrological model in a small mountain forested watershed. This ungauged watershed covers 184 km2 and supplies 90% of blue water for the Brașov metropolitan area, the second largest metropolitan area of Romania. After building a custom database at the forest management compartment level, the SWAT model was run. Further, using the SWAT-CUP software under the SUFI2 algorithm, we identified the most sensitive parameters required in the calibration and validation stage. Moreover, the sensitivit

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Nazari-Sharabian, Mohammad, Masoud Taheriyoun, and Moses Karakouzian. "Sensitivity analysis of the DEM resolution and effective parameters of runoff yield in the SWAT model: a case study." Journal of Water Supply: Research and Technology-Aqua 69, no. 1 (2019): 39–54. http://dx.doi.org/10.2166/aqua.2019.044.

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Abstract This study investigates the impact of different digital elevation model (DEM) resolutions on the topological attributes and simulated runoff, as well as the sensitivity of runoff parameters in the Mahabad Dam watershed in Iran. The watershed and streamlines were delineated in ArcGIS, and the hydrologic analyses were performed using the Soil and Water Assessment Tool (SWAT). The sensitivity analysis on runoff parameters was performed, using the Sequential Uncertainties FItting Ver. 2 algorithm, in the SWAT Calibration and Uncertainty Procedures (SWAT-CUP) program. The results indicated

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Pachac-Huerta, Yenica, Waldo Lavado-Casimiro, Melania Zapana, and Robinson Peña. "Understanding Spatio-Temporal Hydrological Dynamics Using SWAT: A Case Study in the Pativilca Basin." Hydrology 11, no. 10 (2024): 165. http://dx.doi.org/10.3390/hydrology11100165.

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This study investigates the hydrological dynamics of the Pativilca Basin in the Southern Hemisphere using the SWAT (Soil and Water Assessment Tool) model. Seventy-seven watersheds across a mountainous region were analyzed using elevation data, land cover, soil type, and gridded meteorological products (RAIN4PE and PISCO) for hydrological simulations. Watershed delineation, aided by a Digital Elevation Model, enabled the identification of critical drainage points and the definition of Hydrological Response Units (HRUs). The model calibration and validation, performed using the SWAT-CUP with the

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P, Praveen, M. S. Ayyanagowdar, S. S. Prakash, et al. "Calibration and Validation of Semi-distributed Model of Monthly Stream Discharge Using SUFI-2 Algorithm for Shimsha Catchment, Karnataka, India." Journal of Geography, Environment and Earth Science International 28, no. 8 (2024): 20–29. http://dx.doi.org/10.9734/jgeesi/2024/v28i8794.

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The Shimsha Catchment employed the Semi-distributed SWAT model for runoff prediction, which considered geographical features, surface vegetation, and soil characteristics. The catchment was subdivided into six sub-watersheds based on geography, natural drainage patterns, and designated discharge points. In the Hydrological Response Unit (HRU) analysis, 136 HRUs were created in SWAT model by incorporating land use and soil maps and defining HRUs with specific threshold percentages. To calibrate and validate the model, simulated values were compared with observed data from stream gauge discharge

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Medhi, Swapnil, and Dr Arnab Sarma. "AN INTEGRATED STUDY USING GIS AND SWAT METHOD FOR RAINFALL RUNOFF MODELLING IN KULSI WATERSHED, ASSAM." International Journal of Engineering Applied Sciences and Technology 7, no. 4 (2022): 177–84. http://dx.doi.org/10.33564/ijeast.2022.v07i04.028.

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The present study is based on the estimation of runoff using GIS and SWAT in the Kulsi Watershed, Assam. Soil and Water assessment tool (SWAT) is a physically based distributed parameter model which was developed to predict runoff, sediment, erosion from specific watersheds under different input conditions. For understanding the rainfall-runoff behavior of the basin, SWAT hydrological model was used and divided in 19 subwatersheds and 188 Hydrogical Response Units. The watershed comprises of four Land use classifications (River/water bodies, Open forest, dense forests and barren land) with thr

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Bennour, Ali, Li Jia, Massimo Menenti, et al. "Calibration and Validation of SWAT Model by Using Hydrological Remote Sensing Observables in the Lake Chad Basin." Remote Sensing 14, no. 6 (2022): 1511. http://dx.doi.org/10.3390/rs14061511.

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Model calibration and validation are challenging in poorly gauged basins. We developed and applied a new approach to calibrate hydrological models using distributed geospatial remote sensing data. The Soil and Water Assessment Tool (SWAT) model was calibrated using only twelve months of remote sensing data on actual evapotranspiration (ETa) geospatially distributed in the 37 sub-basins of the Lake Chad Basin in Africa. Global sensitivity analysis was conducted to identify influential model parameters by applying the Sequential Uncertainty Fitting Algorithm–version 2 (SUFI-2), included in the S

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Laaboudi, Mohammed, Abdelhamid Mezrhab, Zahar Elkheir Alioua, et al. "Application of the SWAT model for water budgeting and water resource planning in Oued Cherraa basin (northeastern Morocco)." Journal of Geography and Cartography 8, no. 1 (2025): 10602. https://doi.org/10.24294/jgc10602.

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This study focuses on the use of the Soil and Water Assessment Tool (SWAT) model for water budgeting and resource planning in Oued Cherraa basin. The combination of hydrological models such as SWAT with reliable meteorological data makes it possible to simulate water availability and manage water resources. In this study, the SWAT model was employed to estimate hydrological parameters in the Oued Cherra basin, utilizing meteorological data (2012–2020) sourced from the Moulouya Hydraulic Basin Agency (ABHM). The hydrology of the basin is therefore represented by point data from the Tazarhine hy

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Abbasi, Yasser, Chris M. Mannaerts, and William Makau. "Modeling Pesticide and Sediment Transport in the Malewa River Basin (Kenya) Using SWAT." Water 11, no. 1 (2019): 87. http://dx.doi.org/10.3390/w11010087.

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Understanding the dynamics of pesticide transport in the Malewa River and Lake Naivasha, a major fresh water resource, is critical to safeguard water quality in the basin. In this study, the soil and water assessment tool (SWAT) model was used to simulate the discharge of sediment and pesticides (notably the organochlorine residues of lindane, methoxychlor and endosulfan) into the Malewa River Basin. Model sensitivity analysis, calibration and validation were performed for both daily and monthly time steps using the sequential uncertainty fitting version 2 (SUFI-2) algorithm of the SWAT-CUP to

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Bhattarai, Rinki, Binaya Kumar Mishra, Deepa Bhattarai, Dipendra Khatiwada, Pankaj Kumar, and Gowhar Meraj. "Assessing Hydropower Potential in Nepal’s Sunkoshi River Basin: An Integrated GIS and SWAT Hydrological Modeling Approach." Scientifica 2024 (January 23, 2024): 1–19. http://dx.doi.org/10.1155/2024/1007081.

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This study assessed the hydropower potential of a mountain watershed within the Sunkoshi River basin in Sindhupalchok, Nepal, utilizing geographic information systems (GIS) and the soil and water assessment tool (SWAT) hydrological model. Topographical, soil, land use, meteorological, and discharge data were employed to assess the study area for the appropriateness of hydropower generation. SWAT was utilized to delineate the Sunkoshi basin into 23 distinct subbasins and involved the creation of a detailed river network, incorporating various hydrological attributes including stream links, stre

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Rosli, Ainul Syarmimi, Azmi Aris, Salmiati, and Mohd Ridza Mohd Haniffah. "Land Use Impact on Sediment in Johor River Basin." IOP Conference Series: Earth and Environmental Science 1505, no. 1 (2025): 012015. https://doi.org/10.1088/1755-1315/1505/1/012015.

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Abstract Malaysia has recently faced significant river pollution due to land use changes, leading to increased sedimentation in watersheds. In this research, a GIS-based model was developed for the Sg. Johor Basin (JRB) only focuses on sediment parameters. The Soil and Water Assessment Tool (SWAT), an ArcGIS extension, was employed utilizing secondary data including meteorological (weather) data, land use, soil types, and pollution sources to construct the river model system. Streamflow and sediment were calibrated and validated using SWAT-CUP tools, with data from 1993-2012. The model showed

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Koshuma, Abera Ermias, Yegelilaw Eyesus Debebe, Defaru Katise Dasho, and Tarun Kumar Lohani. "Application of Different Modelling Methods to Arbitrate Various Hydrological Attributes Using CMORPH and TRMM Satellite Data in Upper Omo-Gibe Basin of Ethiopia." Mathematical Problems in Engineering 2021 (December 7, 2021): 1–11. http://dx.doi.org/10.1155/2021/4143958.

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Rainfall is a basic input parameter for hydrological modelling that exerts a great influence on the dependability of hydrological simulations. Limited availability of accurate and reliable precipitation data in Abelti watershed of Omo Gibe basin of Ethiopia coerces to use satellite rainfall data to design watershed management practices. The primary objective of this research is to find a better output by comparing and evaluating Climate Prediction Centre Morphing techniques (CMORPH) and Tropical Rainfall Measuring Mission (TRMM). Satellite precipitation products (SPPs) and inputs were incorpor

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