UK precipitation data display and forecasting

As the current agriculture technology is highly developed, weather conditions are more and more likely to be the crucial factor and can barely be large scale changed because of the huge cost of artificial weather modification. Because of this, rainfall forecasting can help to give an intuitive trend...

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Bibliographic Details
Main Author: Han, Haoliang
Format: Dissertation (University of Nottingham only)
Language:English
Published: 2016
Subjects:
Online Access:https://eprints.nottingham.ac.uk/39166/
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author Han, Haoliang
author_facet Han, Haoliang
author_sort Han, Haoliang
building Nottingham Research Data Repository
collection Online Access
description As the current agriculture technology is highly developed, weather conditions are more and more likely to be the crucial factor and can barely be large scale changed because of the huge cost of artificial weather modification. Because of this, rainfall forecasting can help to give an intuitive trend of the precipitation in the next period of time, thus reducing the loss of drought by taking measures in advance. This report’s data is based on the Standardized Precipitation Index(SPI) which is a kind of probabilistic data, it is mainly to define the drought condition of a specific region and can be calculated from a period of accumulation time with an explicit interval ranging from -3 to 3 where to denote extremely dry(negative) to extremely wet(positive). The program of this dissertation applies Backpropagation neural network to predict the future SPI values of different times period. The forecast results will use the main methods of error analysis to verify the reliability of prediction. Predicted value will be used to color the British Map according to the pre-determined classifications which are actually the different intervals of SPI. The forecasting results show an encouraging performance that artificial neural network(ANN) can produce a reliable forecasting output with reasonable lead time.
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format Dissertation (University of Nottingham only)
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language English
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publishDate 2016
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spelling nottingham-391662017-10-19T04:10:39Z https://eprints.nottingham.ac.uk/39166/ UK precipitation data display and forecasting Han, Haoliang As the current agriculture technology is highly developed, weather conditions are more and more likely to be the crucial factor and can barely be large scale changed because of the huge cost of artificial weather modification. Because of this, rainfall forecasting can help to give an intuitive trend of the precipitation in the next period of time, thus reducing the loss of drought by taking measures in advance. This report’s data is based on the Standardized Precipitation Index(SPI) which is a kind of probabilistic data, it is mainly to define the drought condition of a specific region and can be calculated from a period of accumulation time with an explicit interval ranging from -3 to 3 where to denote extremely dry(negative) to extremely wet(positive). The program of this dissertation applies Backpropagation neural network to predict the future SPI values of different times period. The forecast results will use the main methods of error analysis to verify the reliability of prediction. Predicted value will be used to color the British Map according to the pre-determined classifications which are actually the different intervals of SPI. The forecasting results show an encouraging performance that artificial neural network(ANN) can produce a reliable forecasting output with reasonable lead time. 2016-12-14 Dissertation (University of Nottingham only) NonPeerReviewed application/pdf en https://eprints.nottingham.ac.uk/39166/1/Haoliang%20Han%204255346.pdf Han, Haoliang (2016) UK precipitation data display and forecasting. [Dissertation (University of Nottingham only)] Standardized Precipitation Index (SPI) forecasting error analysis Backpropagation.
spellingShingle Standardized Precipitation Index (SPI)
forecasting
error analysis
Backpropagation.
Han, Haoliang
UK precipitation data display and forecasting
title UK precipitation data display and forecasting
title_full UK precipitation data display and forecasting
title_fullStr UK precipitation data display and forecasting
title_full_unstemmed UK precipitation data display and forecasting
title_short UK precipitation data display and forecasting
title_sort uk precipitation data display and forecasting
topic Standardized Precipitation Index (SPI)
forecasting
error analysis
Backpropagation.
url https://eprints.nottingham.ac.uk/39166/