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Soft computing and statistical technique – application to eutrophication potential modelling of Mumbai coastal area

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Title Soft computing and statistical technique – application to eutrophication potential modelling of Mumbai coastal area
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Creator Bharti VS, Inamdar AB, Purusothaman CS, Yadav VK
 
Subject Soft computing, statistical, technique, eutrophication, potential, water quality parameters, dissolved oxygen
 
Description Not Available
Three water quality parameters – dissolved oxygen (DO), coloured dissolved organic matter (CDOM) and Chlorophyll a loaded on the first principal component under the dimensional reduction method were used for deriving the Eutrophication Index (EI). Fuzzy logic (Mamdani) method of EI estimation is smoother than the Principal Component Analysis (PCA) method. Eutrophication potential obtained from the rule-based fuzzy approach and the multiple regressions derived from the first principal component were selected as the target variables for the artificial neural network (ANN) model in training and prediction. The performance of the ANN models with PCA-derived target and fuzzy-derived target was compared through the mean absolute error, root mean square error, and correlation coefficient computed from the measured and model-simulated EI values. EI predictions of this model has positive, high correlation (r = 0.968) with the measured EI values derived from the fuzzy approach as compared to the PCA-derived EI (r = 0.851) implying that the model predictions explain around 93.7% of the variation in the measured EI values derived by fuzzy approach as compared to 72.4% in the case of PCA-derived measured value
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Date 2022-06-18T05:51:28Z
2022-06-18T05:51:28Z
2018-02-01
 
Type Research Paper
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/72885
 
Language English
 
Relation Not Available;
 
Publisher Not Available