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 A type of weather modification  Treatment used to increase precipitation – to provide water on dams and agricultural fields during drought seasons.

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Presentation on theme: " A type of weather modification  Treatment used to increase precipitation – to provide water on dams and agricultural fields during drought seasons."— Presentation transcript:

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2  A type of weather modification  Treatment used to increase precipitation – to provide water on dams and agricultural fields during drought seasons

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4  Requires large amount of funds  Doesn’t produce enough rain  Rain do not fall on the right location  Some believe that it does not work successfully at all… In other words… A large amount of money is wasted There is no established quantitative way of pursuing cloud seeding.

5  information processing model inspired by the human brain  used in classification through pattern based learning

6 Training of program Testing and Validation of Program Acquisition and Compilation of Cloud Seeding Data Conversion of data into data input Acquisition and Programming of Implementing Software

7 TimeCoverSpeedHumidityPressureOutput

8 Row Id. Predicted Value Actual Value ResidualTimeCoverSpeedHumidityPressure

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10 Row Id. Predicted Value Actual Value ResidualTimeCoverSpeedHumidityPressure

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12 Row Id. Predicted Value Actual Value ResidualTimeCoverSpeedHumidity

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14 Phase Total Sum of Squared Errors RMS (Root Mean Square) Error Average Error Training Validation Testing

15 Phase MeanStandard Deviation Significant Difference Training Validation Testing

16  The ranges in which cloud seeding operations are likely to be successful Time Observed8-10 A.M. / 3 -5 P.M. Cloud Cover50-75% (4 – 6 Oktas) Wind Speed (and Direction)2 – 19 km/h (1-10 Knots) / (Direction varies based on the location) Humidity60% + Barometric Pressure mb  It is possible to establish a more accurate and precise way of predicting the ideality of Day for cloud seeding.

17  Wide range of cloud seeding data wherein taking into consideration other factors besides from the given factors  Usage of Backpropagation Neural Network

18  American Friends of Tel Aviv University (2010, November 1). 'Cloud seeding' not effective at producing rain as once thought, new research shows. ScienceDaily. Retrieved December 10, 2010, from /releases/2010/11/ htm  Hagan, M.T. (1996). Neural Network Design. Boston, MA: PWS Publishing.  Macfarlane, M. (2009, February 3). Major study proves cloud seeding effective. Cosmomagazine. Retrieved July 21, 2010 from study-proves-cloud-seeding-effective.  Matthew, J. (2000). An Introduction to Neural Networks. Retrieved July 21, 2010 from  Moseman, A. (2009, February 19). Does cloud seeding work?. Scientific American. Retrieved August 11, 2010 from snow  Shoukat, U. & Zakia, H. (2005). Improve an efficiency of feedforward multilayer perceptrons by Serial training. Journal of Theoretical and Applied Information Technology, 6(1), 017 – 020. Retrieved August 11, 2010 from papers/Vol6No1/2Vol6No1.pdf.  XLMiner (n.d.). Online Help. Retrieved January 22, 2011 from


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