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by Manoj K. Kowar (Author), Sanjeev Karmakar (Author), Pulak Guhathakurta (Author)
Long-range monsoon rainfall data time series over a smaller geographical region like 'districts/subdivision' is representing chaotic in nature. It is found that, identification of internal dynamics of its time series as well future prediction is exceptionally complicated and for all time it is worldly nervousness. At present, it is a vital challenging task for meteorological services all over the world. It is found that, ANN technology has produced sufficient skill especially in prediction. Thus four separate, back-propagation neural network (BPN) models have been developed and verified. These models are: BPN model in deterministic forecast BPN model in parametric forecast Principal Components BPN model Hybrid BPN model The model in deterministic forecast has produced excellent results, explained by strong relation between dependent (i.e., current year rainfall), and independent variables (i.e., past recorded rainfall data time series). Likewise, other models has also produced excellent results, explained by strong relation between their dependent (current year rainfall), and their corresponding independent variables (i.e., predictors). These models have been implemented through Java programming language. The entire development process and its observations are discussed in this book and expected that these observations will be extremely helpful for Scientists, Engineers, Academicians, and Research scholars who actually desire to exercise BPN in their chosen field of applications.
