Assessing major drivers of runoff water quality using principal component analysis: a case study from a Colombian and a Brazilian catchments

Silva, Talita; Beltrán, Diana; Nascimento, Nilo; Rodríguez, Juan ́Pablo; Mancipe-Muñoz, Néstor Alfonso

doi:10.1080/1573062x.2022.2029913

Cited by 8 publications

(7 citation statements)

References 62 publications

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“…In PCA, the variances of the principal components are the eigenvalues of the covariance matrix that illustrates the correlations or relationships between the input variables. Hence, the larger the percentage of the variance, the more important the corresponding variable or it reveals and the more relevant information [ 32 ]. The variances for the input variables, including resin (Knittex RCT), polyethylene softener, catalyst (Knittex Mo), curing temperature, and curing time calculated from PCA are 632.0161, 73.2251, 64.7666, 18.2146, and 0.7824, respectively.…”

Section: Resultsmentioning

confidence: 99%

Sustainable fashion: Design of the experiment assisted machine learning for the environmental-friendly resin finishing of cotton fabric

Pervez

Yeo

Shafiq

et al. 2023

Heliyon

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Section: Resultsmentioning

confidence: 99%

Sustainable fashion: Design of the experiment assisted machine learning for the environmental-friendly resin finishing of cotton fabric

Pervez

Yeo

Shafiq

et al. 2023

Heliyon

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“…Filter strips and grass swales are commonly used as pre-treatment for sedimentation (Silva et al, 2022). Grass swales are shallow, wide channels that are lined with vegetation and designed to direct water towards infiltration areas or watercourses.…”

Section: Treatment Through Sedimentation For Ssssmentioning

confidence: 99%

Runoff water loaded with road de‐icing salts: Occurrence, environmental impact and treatment processes

Gardeshi

Arab

Benguit

et al. 2023

Water & Environment J

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To ensure road safety during winter, it is necessary to use de‐icing salts. However, the detrimental effects of these salts on aquatic ecosystems, vegetation, lakes, ground and surface water, and soils have become a major concern in recent years. This review aims to discuss the adverse environmental impact of using de‐icing salts on the environment and explore current conventional methods used for managing and treating runoff water. Additionally, desalination techniques in terms of their effectiveness and energy requirements have been discussed. By comparing energy costs and considering the salinity levels of runoff water containing de‐icing salts, electrodialysis as a potential technique is introduced to be combined with conventional approaches for removing and recovering salt from runoff water loaded from road de‐icing salt.

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“…An additional statistical procedure employed was Principal Component Analysis (PCA), used to assess the relationship between soil and rainfall, runoff and land use in the watershed aspect [24][25][26]. PCA employs an orthogonal transformation to convert a set of potentially correlated observations into a set of linearly uncorrelated variables.…”

Section: Statistical and Multivariate Data Analysismentioning

confidence: 99%

“…Additionally, it was utilized to analyze the relationships among precipitation events, surface runoff, and soil erosion on the Pisha sandstone slopes of the Loess Plateau in China, where it has been demonstrated that forests play a pivotal role in erosion control [25]. Therefore, PCA offers revelant insights for the modelling and management of stormwater within watersheds [24].…”

Section: Multivariate Analysis Of Rainfall Runoff and Land Usementioning

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.

show abstract

Assessing major drivers of runoff water quality using principal component analysis: a case study from a Colombian and a Brazilian catchments

Cited by 8 publications

References 62 publications

Sustainable fashion: Design of the experiment assisted machine learning for the environmental-friendly resin finishing of cotton fabric

Sustainable fashion: Design of the experiment assisted machine learning for the environmental-friendly resin finishing of cotton fabric

Runoff water loaded with road de‐icing salts: Occurrence, environmental impact and treatment processes

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

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