An Informed System Development Approach to Tropical Cyclone Track and Intensity Forecasting.
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Superior document: | Linköping Studies in Science and Technology. Dissertations Series ; v.1734 |
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Place / Publishing House: | Linköping : : Linkopings Universitet,, 2015. {copy}2016. |
Year of Publication: | 2015 |
Edition: | 1st ed. |
Language: | English |
Series: | Linköping Studies in Science and Technology. Dissertations Series
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Online Access: | |
Physical Description: | 1 online resource (166 pages) |
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Table of Contents:
- Intro
- Abstract
- Populärvetenskaplig sammanfattning
- Acknowledgements
- Contents
- Chapter 1 Introduction
- 1.1 Problem description
- 1.2 Research objective
- 1.3 Studies conducted in this research
- 1.4 Contributions
- 1.5 Organization of the thesis
- Chapter 2 Background
- 2.1 TCs in the Bay of Bengal
- 2.2 Factors governing TC track and intensity development
- 2.3 Technical processes involved in TC forecasting and warning
- 2.3.1 Data collection
- 2.3.2 TC track forecasting
- 2.3.3 TC Intensity forecasting
- 2.3.4 Warning message formulation and dissemination
- 2.4 Community response to warning
- 2.4.1 Incorporation of human perception into cyclone warning
- 2.5 Cyclone early warning system in Bangladesh
- 2.6 TC track and intensity forecasting using ANN
- 2.7 Biologically based ANN techniques for image processing
- 2.7.1 Neocognitron
- 2.7.2 Convolutional Neural Networks
- 2.7.3 Saliency based visual attention models
- 2.7.4 ANNs used in this research
- 2.8 Exploratory study on TC movement direction prediction
- 2.8.1 Data and method
- 2.8.2 Training and testing of the network
- Chapter 3 Methodological considerations
- 3.1 Central and peripheral parts of this research
- 3.2 Technological paradigm of this research
- Chapter 4 Method
- 4.1 Study area
- 4.2 Eliciting providers' and receivers' views
- 4.2.1 Interview among the meteorologists
- 4.2.2 Questionnaire survey among the residents in the coastal areas
- 4.3 TC track and intensity forecasting technique development
- 4.3.1 Efficiency of the simulation tool with respect to 2D image processing
- 4.3.2 Testing assumptions
- 4.3.3 Match between network-generated and expected outputs
- 4.3.4 Datasets used for training and testing
- 4.3.5 Network structure
- 4.3.6 Information processing in the network
- 4.3.7 Training of the networks.
- 4.3.8 Training performance
- 4.3.9 Activation-based receptive field analysis
- 4.3.10 Testing of the networks
- Chapter 5 Results
- 5.1 Results elicited from warning providers
- 5.1.1 TC forecasting
- 5.1.2 Warning message formulation and dissemination
- 5.1.3 Limitations and future development plans
- 5.2 Results elicited from warning receivers
- 5.2.1 Warning message reception
- 5.2.2 Warning message interpretation
- 5.2.3 Response to evacuation orders
- 5.2.4 Key reasons for non-evacuation
- 5.2.5 Satisfaction with the warnings and suggestion for improvement
- 5.3 Results obtained during systematic parameter testing
- 5.4 TC intensity forecasting performance
- 5.4.1 Pattern of intensity forecasting error
- 5.5 Combined TC track and intensity forecasting performance
- Chapter 6 Discussion
- 6.1 Problems associated with cyclone early warning in Bangladesh
- 6.2 TC track and intensity forecasting using biologically based ANNs
- 6.2.1 TC Intensity forecasting
- 6.2.2 Graphically-presented TC track and intensity forecasting-ongoing work
- 6.2.3 Prediction performance improvement
- Chapter 7 Conclusions and future work
- Chapter 8 References
- Chapter 9 Articles
- Appendix A Cyclone track forecasting using biologically based ANNs
- Appendix B TC signaling system for the maritime ports
- Appendix C TC signaling system for the river ports
- Appendix D Questions used for the in-depth interview
- Appendix E Questionnaire used for the survey
- Appendix F Per-recorded warning messages
- Appendix G Generalized TC signaling system.