Dissertations / Theses on the topic 'Precipitation forecasting Africa, Southern'
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Browne, Nana Ama Kum. "Model evaluation for seasonal forecasting over southern Africa." Doctoral thesis, University of Cape Town, 2011. http://hdl.handle.net/11427/10208.
Full textThis study contributes to a broader effort of institutions toward improving seasonal forecasts over southern Africa. The primary objective is to understand where global models show shortcomings in their simulations, and how this impacts on their seasonal forecast skill. It is proposed that the skill of a model in simulating natural climate variability is an appropriate metric for a model's potential skill in seasonal forecasting. Thus the study investigates the performance of two global models in simulating the regional processes in relation to the processes variability, and how this is related to their forecast skill.
McHugh, Maurice J. "Precipitation over Southern Africa and global-scale atmospheric circulation during Boreal Winter /." The Ohio State University, 2000. http://rave.ohiolink.edu/etdc/view?acc_num=osu1488191667182839.
Full textDyson, Liesl Letitia. "A dynamical forecasting perspective on synoptic scale weather systems over southern Africa." Pretoria : [s.n.], 2008. http://upetd.up.ac.za/thesis/available/etd-03272006-153324/.
Full textShongwe, Mxolisi Excellent. "Performance of recalibration systems of general circulation model forecasts over southern Africa." Pretoria : [s.n.], 2006. http://upetd.up.ac.za/thesis/available/etd-07032007-102650.
Full textMarín, Saul. "The response of precipitation and surface hydrology to tropical macro-climate forcing in Colombia." Access citation, abstract and download form; downloadable file 15.62 Mb, 2004. http://wwwlib.umi.com/dissertations/fullcit/3131688.
Full textBeraki, Asmerom Fissehatsion. "ECHAM4.5 global circulation model as a seasonal forecasting system for southern Africa : coupled vs. uncoupled." Thesis, University of Pretoria, 2015. http://hdl.handle.net/2263/53535.
Full textThesis (PhD)--University of Pretoria, 2015.
Geography, Geoinformatics and Meteorology
PhD
Unrestricted
Chen, Chia-Jeng. "Hydro-climatic forecasting using sea surface temperatures." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/48974.
Full textLazenby, Melissa J. "Evaluating model performance and constraining uncertainty using a processed-based framework for Southern African precipitation in historical and future climate projections." Thesis, University of Sussex, 2017. http://sro.sussex.ac.uk/id/eprint/68382/.
Full textErasmus, Magdel. "Formation and Development of Tropical Temperate Troughs across Southern Africa as Simulated by a State-of-the-art Coupled Model." Diss., University of Pretoria, 2019. http://hdl.handle.net/2263/73478.
Full textDissertation (MSc)--University of Pretoria, 2019.
Geography, Geoinformatics and Meteorology
MSc
Unrestricted
Tirivarombo, Sithabile. "Climate variability and climate change in water resources management of the Zambezi River basin." Thesis, Rhodes University, 2013. http://hdl.handle.net/10962/d1002955.
Full textMohobane, Thabiso. "Water resources availability in the Caledon River basin : past, present and future." Thesis, Rhodes University, 2015. http://hdl.handle.net/10962/d1019802.
Full textAlbergel, Jean. "Genèse et prédétermination des crues au Burkina Faso : du m² au km² : étude des paramètres hydrologiques et de leur évolution." Paris 6, 1987. http://www.theses.fr/1987PA066139.
Full textTennant, Warren James. "A monthly forecast strategy for Southern Africa." Thesis, 1998. https://hdl.handle.net/10539/26794.
Full textVarious techniques and procedures suited to monthly forecasting are investigated and tested. These include using the products generated by atmospheric general circulation models during a 17-year hindcast experiment, and downscaling the forecast circulation to regional rainfall in South Africa using circulation indices and canonical correlation analysis. The downscaling methods are evaluated using the cross-validation technique. Various model forecast bias-correction methods and skill-enhancing ensemble techniques are employed to improve the 30-day prognosis of the model. Forecasts from the general circulation model and each technique are evaluated. Those demonstrating reasonable skill over the southern Africa region, and which are feasible when considering available resources, are adopted into a strategy which can be used operationally to produce monthly outlooks. Various practical issues regarding the operational aspects of long-term forecasting are also discussed.
Andrew Chakane 2019
Petraitis, Dawn C. O'Brien James J. "Long-term enso-related winter rainfall predictions over the Southeast U.S. using the FSU Global Spectral Model." 2006. http://etd.lib.fsu.edu/theses/available/etd-06072006-134237.
Full textAdvisor: 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.
Dyson, Liesl L. "A dynamical forecasting perspective on synoptic scale weather systems over southern Africa." Diss., 2000. http://hdl.handle.net/2263/23509.
Full textDissertation (MSc)--University of Pretoria, 2000.
Geography, Geoinformatics and Meteorology
unrestricted
De, Coning Estelle. "Application of meteorological satellite products for short term forecasting of convection in Southern Africa." Thesis, 2010. http://hdl.handle.net/10500/5350.
Full textEnvironmental Sciences
Ph. D. (Environmental Sciences)
de, Coning Estelle. "Application of meteorological satellite products for short term forecasting of convection in Southern Africa." Thesis, 2010. http://hdl.handle.net/10500/5350.
Full textEnvironmental Sciences
Ph. D. (Environmental Sciences)
Landman, Stephanie. "A multi-model ensemble system for short-range weather prediction in South Africa." Diss., 2012. http://hdl.handle.net/2263/27018.
Full textDissertation (MSc)--University of Pretoria, 2012.
Geography, Geoinformatics and Meteorology
Unrestricted
Jong, Bor-Ting. "Seasonality and Regionality of ENSO Teleconnections and Impacts on North America." Thesis, 2019. https://doi.org/10.7916/d8-b160-hd60.
Full textPotgieter, Christina Johanna. "Accuracy and skill of the Conformal-Cubic Atmospheric model in short-range weather forecasting over Southern Africa." Diss., 2007. http://hdl.handle.net/2263/28044.
Full textChun-Ping, Tserng, and 曾君平. "The Research on Precipitation Forecasting in Southern Taiwan-Based on the case of Tropical Depression occurred between 23th and 26th of August,2018." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/mv2n7j.
Full text中華科技大學
土木防災工程研究所在職專班
107
The development of Taiwan economy and innovative technology triggers distinct and more severe impact by contemporary meteorological disasters; once if more accurate weather forecast segregating from invasion by radical weather can be offered, the meteorological personnel’s advanced goal to diminish the anti-disaster jobs and preventions as well as effective reduction of casualties shall be identified. From August 23 to August 26, 2018, the heavy casualties and agricultural losses by severe flooding in Taiwan was triggered by a tropical depression; this research monitors and analyzes the drastic rainfall case by WRF numerical model. The results show that the tissue convective rain belt accompanied by the tropical depression system is shrouded in the Southern region, resulting in severe flooding by persistent heavy rainfall; whose features also correspond with the characteristics of precipitation of this and past studies. In addition, although the tropical depression does not evolve to a typhoon, the low-pressure center accompanied by the tissue convective rain band in the above-mentioned areas causes short-term torrential rain; integrating with slow motion of tropical low-pressure, rapid rainfall accumulation emerges. Considering of the probability of similar rainfall pattern as frequent mode under the influence of climate change, various regions face severe challenge to the capabilities of existing anti-flood facilities; which shall be applied as reference for future drastic precipitation control.
Ghile, Yonas Beyene. "Development of a framework for an integrated time-varying agrohydrological forecast system for southern Africa." Thesis, 2007. http://hdl.handle.net/10413/352.
Full textThesis (Ph.D.)-University of KwaZulu-Natal, Pietermaritzburg, 2007.