The northern Australian rainy season is part of the Asian-Australian monsoon system and occurs during the Austral summer across the northern regions of the continent. The Australian monsoon is responsible for most of the annual rainfall budget for the region, thus having a compr…
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Typically, multi-model ensemble studies show mixed responses of El Nino Southern Oscillation (ENSO) under global warming, so it is currently unknown how, or even if, global warming will impact ENSO and its teleconnections. ENSO is governed by various ocean-atmosphere interaction…
Long-term variability in the strength and frequency of the El Niño - Southern Oscillation (ENSO) may be attributable to changes in background climatology. During times of cold climate events in the high latitudes, El Niño conditions may have been more persistent in the equatoria…
This study investigates the most recurrent coupled pattern of interannual variability between the Northern Hemisphere mid-latitude circulation and the tropical convection (between 15°S and 30°N) during the northern summer (June to September). The leading singular value decomposi…
The work presented in this dissertation focuses on the paleoceanography of the Indonesian Seas over the past 25,000 years; a region that plays a critical role in the global atmospheric and oceanic circulation. The modern oceanography of the Indonesian Seas is very complex due to…
Studies on oceanic and atmospheric processes in the Indian Ocean are an active and important area of scientific research. Understanding how intraseasonal and interannual variations impact both the ocean and atmosphere will aid in delineating potential feedback mechanisms and glo…
This dissertation is composed of six separate papers linked by a common purpose: to investigate the physical mechanisms associated with the climate variability over western and eastern Africa. This study is carried out on both monthly and seasonal time-scales. In Chapter 2, the …