National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
A proper design of the architecture of Artificial Neural Network (ANN) models can provide a robust tool in water resources modelling and forecasting. The performance of different neural networks in groundwater level forecasting was examined in order to identify an optimal ANN model for groundwater level forecast. The Devasugur nala watershed was selected for the study, located at northern part of Raichur district Karnataka and comes under middle Krishna river basin. Elman or Recurrent Neural Network (RNN) trained with Bayesian Regularization (BR), Levenberg Marquardt (LM) and Gradient Descent with Momentum and Adaptive Learning Rate Back propagation (GDX) algorithm models were developed. The results revealed that RNN with LM algorithm provided better prediction than the other models with highest correlation efficiency (0.8311) and lowest RMSE (0.9896) value during validation period. Overall it was observed that the ANN based algorithm was a better choice for the groundwater level forecasting.
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