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Spatio-temporal rainfall estimation and nowcasting for flash flood forecasting.Sinclair, Scott January 2007 (has links)
Floods cannot be prevented, but their devastating effects can be minimized if advance warning of the event is available. The South African Disaster Management Act (Act 57 of 2002) advocates a paradigm shift from the current "bucket and blanket brigade" response-based mind set to one where disaster prevention or mitigation are the preferred options. It is in the context of mitigating the effects of floods that the development and implementation of a reli able flood forecasting system has major significance. In the case of flash floods, a few hours lead time can afford disaster managers the opportunity to take steps which may significantly reduce loss of life and damage to property. The engineering challenges in developing and implementing such a system are numerous. In this thesis, the design and implement at ion of a flash flood forecasting system in South Africa is critically examined. The technical aspect s relating to spatio-temporal rainfall estimation and now casting are a key area in which new contributions are made. In particular, field and optical flow advection algorithms are adapted and refined to help pred ict future path s of storms; fast and pragmatic algorithms for combining rain gauge and remote sensing (rada r and satellite) estimates are re fi ned and validated; a two-dimensional adaptation of Empirical Mode Decomposition is devised to extract the temporally persistent structure embedded in rainfall fields. A second area of significant contribution relates to real-time fore cast updates, made in response to the most recent observed information. A number of techniques embedded in the rich Kalm an and adaptive filtering literature are adopted for this purpose. The work captures the current "state of play" in the South African context and hopes to provide a blueprint for future development of an essential tool for disaster management. There are a number of natural spin-offs from this work for related field s in water resources management. / Thesis (Ph.D.Eng.)-University of KwaZulu-Natal, Durban, 2007.
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Use of short-term stations to estimate rainfallVeerasamy, S. (Shyamnath) January 1984 (has links)
No description available.
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Rainfall estimation from satellite infrared imagery using artificial neural networksHsu, Kuo-lin, January 1996 (has links) (PDF)
Thesis (Ph.D. - Hydrology and Water Resources)--University of Arizona. / Includes bibliographical references (leaves 228-234).
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A simple forecasting scheme for predicting low rainfalls in Funafuti, TuvaluVavae, Hilia. January 2008 (has links)
Thesis (M.Sc. Earth Sciences)--University of Waikato, 2008. / Title from PDF cover (viewed February 23, 2009) Includes bibliographical references (p. 72-75)
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Long-range variability and predictability of the Ozark Highlands climate elements /Lee, Jae-Won, January 1997 (has links)
Thesis (Ph. D.)--University of Missouri-Columbia, 1997. / Typescript. Vita. Includes bibliographical references (leaves 49-53). Also available on the Internet.
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Long-range variability and predictability of the Ozark Highlands climate elementsLee, Jae-Won, January 1997 (has links)
Thesis (Ph. D.)--University of Missouri-Columbia, 1997. / Typescript. Vita. Includes bibliographical references (leaves 49-53). Also available on the Internet.
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Precipitation in the Waikato River catchment : a thesis submitted to the Victoria University of Wellington in fulfilment of the requirements for the degree of Doctor of Philosophy in Geophysics /Dravitzki, Stacey Maree. January 2009 (has links)
Thesis (Ph.D.)--Victoria University of Wellington, 2009. / Includes bibliographical references.
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Hydrological budgets of landfalling tropical cyclonesLyttek, Tamara Ann. Krishnamurti, T. N. January 2004 (has links)
Thesis (M.S.)--Florida State University, 2004. / Advisor: Dr. T.N. Krishnamurti, Florida State University, College of Arts and Sciences, Dept. of Meteorology. Title and description from dissertation home page (viewed June 18, 2004). Title and description from dissertation home page (viewed <date>). Includes bibliographical references.
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An observational and modeling study of the relationships between United States precipitation and Pacific sea surface temperatureWang, Hui, January 1997 (has links)
Thesis (Ph. D.)--University of Illinois at Urbana-Champaign, 1997. / Includes bibliographical references (leaves 128-135).
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Long-term enso-related winter rainfall predictions over the Southeast U.S. using the FSU Global Spectral ModelPetraitis, Dawn C. O'Brien, James J. January 2006 (has links)
Thesis (M.S.)--Florida State University, 2006. / Advisor: James J. O'Brien, Florida State University, College of Arts and Sciences, Dept. of Meteorology. Title and description from dissertation home page (viewed Sept. 19, 2006). Document formatted into pages; contains ix, 43 pages. Includes bibliographical references.
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