Evaluation of the SWAT Model for the Simulation of Flow and Water Balance Based on Orbital Data in a Poorly Monitored Basin in the Brazilian Amazon

Rufino, Paulo Ricardo; Gücker, Björn; Faramarzi, Monireh; Boëchat, Iola G.; Cardozo, Francielle da Silva; Santos, Paula Resende; Zanin, Gustavo Domingos; Mataveli, Guilherme Augusto Verola; Pereira, Gabriel

doi:10.3390/geographies3010001

Cited by 7 publications

(5 citation statements)

References 59 publications

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“…Interestingly, a separate investigation conducted in Alberta using the same hydrological model found comparable results (Abbaspour et al 2010). Similarly, Rufino et al (2022) used the SWAT model to simulate stream flows and obtained similar results, with CN2 being the most sensitive parameter. The calibration parameters had a significant impact on the model outcomes.…”

Section: Discussionmentioning

confidence: 76%

“…These positive findings align with those of similar studies conducted by Liang et al (2020) in the Wilmot River Watershed, an agricultural watershed in west-central Prince Edward Island, Atlantic Canada, where SWAT effectively modeled water availability, hydrological regime, land use, and land cover impacts, yielding favorable statistical results. Rufino et al (2022) employed the SWAT model in a data-scarce basin in Brazil. Despite the scarcity of data in this basin, the SWAT model efficiently generated flow data, thereby demonstrating its adaptability to datalimited settings.…”

Section: Discussionmentioning

confidence: 99%

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Insights to the water balance of a Boreal watershed using a SWAT model

Islam,

Daraio,

Sabau

et al. 2024

Environ. Res. Commun.

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The hydrological characteristics of a watershed play a crucial role in shaping ecosystems within the Boreal zone and have a significant impact on regional environments. Knowing these characteristics, such as the distinctive topography, vegetation, soil composition, and climatic conditions in the Canadian Boreal zone, is essential for implementing sustainable water management. This study focuses on assessing the hydrological dynamics of the Upper Humber River Watershed (UHRW) in western Newfoundland, Canada, using the Soil and Water Assessment Tool (SWAT) model. The UHR watershed includes sub-basins and hydrological response units (HRUs), with diverse land uses, soil types, and slope characteristics. Key parameters influencing streamflow simulation were identified through sensitivity analysis, including the runoff curve number, the effective hydraulic conductivity, the temperature lapse rate, the soil evaporation compensation factor, and the available water capacity of the soil layer. The SWAT model, using data from the Reidville hydrometric station, shows favorable performance metrics, with R2 values of 0.79 and 0.83 during the calibration and evaluation periods, respectively. The model effectively captures seasonal and monthly flow patterns, displaying right-skewed distributions and seasonal variations. The analyzed hydrological parameters, such as precipitation, evaporation, transpiration, surface runoff, and groundwater flow, reveal their significant contributions to the water balance. The flow duration curve analysis indicates the model's capability to estimate peak and low flows, with slight under-prediction during the recession phase. Seasonal analysis further supports the model's performance, with positive Nash-Sutcliffe Efficiency (NSE) values ranging from 0.65 to 0.91. The study concludes that the SWAT model is suitable for simulating the hydrological processes in the studied watershed providing valuable insights for sustainable water resource management and decision-making in the UHRW. The results can be useful for other Boreal zone watersheds.

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Section: Discussionmentioning

confidence: 76%

Section: Discussionmentioning

confidence: 99%

Insights to the water balance of a Boreal watershed using a SWAT model

Islam,

Daraio,

Sabau

et al. 2024

Environ. Res. Commun.

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“…Therefore, as next steps, in-depth hydrological studies are needed [46], focusing on rainfall and surface runoff. The integration of hydrological data, climate models and land use opens new perspectives in forecasting and managing climate events, enabling proactive measures to be taken to address constantly evolving climate challenges.…”

Section: Discussionmentioning

confidence: 99%

Water Balance and the Moist Planetary Boundary Layer Driven by Land Use and Land Cover Change across the Amazon Basin

Ribeiro,

Mohanty,

Rotunno Filho

et al. 2023

Water

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Despite the overall extension of the Amazon Basin (approximately 6,000,000 km2),which encompasses such a complex ecosystem and territories belonging to seven different nations, it is worth mentioning that environmental assessments related to changes in land use and land cover (LULC) in this region are often conducted respecting geopolitical boundaries associated with each country or taking into account the so-called Amazon biome. With the purpose of prospecting the intricate and hidden hydrological patterns, we undertake an in-depth evaluation of the water balance along the 2001–2021 time span across the whole basin, whose behavior depends on the features deriving from the metamorphoses in land use and land cover. To accomplish that task, the influence of the components of the water balance, namely rainfall and evapotranspiration, jointly with the terrestrial topographic mapping, are examined to investigate the interactions among the physical mechanisms that make up the hydrological cycle and the corresponding physical hydrological processes triggered by deforestation and reforestation in the region. More specifically, the modeling approach was rigorously designed to also consider, separately or not, Negro, Solimões, Madeira, Tapajós and Xingu hydrographic sub-basins, which are the most important ones of the Amazon Basin. The results highlight that in the southern region of the Amazon, specifically within the Madeira river sub-basin, the lowest forest coverage is observed (56.0%), whereas in the northern Negro river sub-basin, the most notable forest coverage is observed (85.0%). The most preserved forest areas, such as the Negro and Solimões river sub-basins, with percentages of 81.9% and 74.2%, respectively, have higher annual rates of precipitation and evapotranspiration over time. On the other hand, regions that suffered the most intense deforestation along the time period studied, such as the Madeira, Tapajós and Xingu sub-basins, have lower annual rates of precipitation and evapotranspiration, with preservation percentages of 54.6%, 62.6% and 70.7%, respectively. As the pace of deforestation slowed between 2003 and 2013, annual precipitation rates increased by 12.0%, while evapotranspiration decreased by 2.0%. The hydrological findings of this paper highlight th predominant role of the forest in the context of the global water balance of the Amazon Basin and the potential to also produce distinct impacts within different parts of the basin in terms of having more or less rainfall and evapotranspiration. In addition, those variabilities in the hydrological operational components and mechanisms due to changes in land cover and land use also reveal the potential impacts that could be expected in the surrounding areas, closer or farther, notably beyond the limits of the Amazon Basin.

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“…In this sense, several models have the potential to provide solid answers and contribute to decision-making related to water resource management, considering changes in land use and incorporating climate trends [39]. It is worth noting that precipitation, as the main source of water supply for the watershed and responsible for the balance of the water budget, must be thoroughly evaluated in future simulations to support decisionmaking [40].…”

Section: Temporal Analysis Of Runoff Stationsmentioning

confidence: 99%

Spatio-Temporal Dynamics and Physico-Hydrological Trends in Rainfall, Runoff and Land Use in Paraíba Watershed

de Carvalho,

da Silva,

da Costa Batista

et al. 2023

Geographies

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The detection and monitoring of changes in land use and land cover play a crucial role in understanding land degradation and are fundamental to preserving agroecosystems. Their association with hydrological information allows essential responses to changes in hydrological patterns to be identified, contributing to water security in watersheds. Therefore, this study aimed to assess spatio-temporal dynamics and physico-hydrological trends in rainfall, runoff and land use in the Paraíba watershed. The study was conducted in the Paraíba watershed, using land use data and information from pluviometric and fluviometric stations with temporal series of more than 30 years. The Mann-Kendall statistical test was adopted to verify trends. Results indicate annual reduction trends for both native forest area and water bodies in the Paraíba watershed. On the other hand, the area designated for agriculture showed a significant increase. The correlation analysis between water bodies and forests (R² = 0.63) highlights a strong association between the decrease in forest area and the reduction in water availability, influencing the decrease in annual flow. These results serve as a warning to expand water resource management for the region, aiming to preserve and to enhance sustainable use. Therefore, the implementation of conservation measures, monitoring procedures, and adequate management is required to face the challenges imposed by climate change and land use and occupation, ensuring the water availability for the future.

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Evaluation of the SWAT Model for the Simulation of Flow and Water Balance Based on Orbital Data in a Poorly Monitored Basin in the Brazilian Amazon

Cited by 7 publications

References 59 publications

Insights to the water balance of a Boreal watershed using a SWAT model

Insights to the water balance of a Boreal watershed using a SWAT model

Water Balance and the Moist Planetary Boundary Layer Driven by Land Use and Land Cover Change across the Amazon Basin

Spatio-Temporal Dynamics and Physico-Hydrological Trends in Rainfall, Runoff and Land Use in Paraíba Watershed

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