Vinsamlegast notið þetta auðkenni þegar þið vitnið til verksins eða tengið í það: http://hdl.handle.net/1946/12126
Volcanic Impacts on Short- and Long-Term Climate, Comparison with Anthropogenic Climate Change
Volcanic eruptions cause the formation of sulphate aerosols in the atmosphere, which change radiative forcing and thereby have an impact on the climate system. In this paper, I summarise observed short-term effects, for example surface cooling. I then discuss how short-term volcanic forcing can be transformed into long-term climatic changes by long dynamical feedbacks and briefly look into how volcanic eruptions might increase the possibility of El Niño events. As historical examples for potentially volcanic caused climate change I will discuss The Little Ice Age and the Toba eruption ~74,000 years BP. I then compare recent anthropogenic climate warming with natural caused climate change, with special focus on volcanic forcing. Concerning possible future scenarios I will discuss the impact of modern climate changes, concentrating on human society.