Climatology of the Lower and Middle Atmosphere
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Date
2022-02-26
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Addis Ababa University
Abstract
Climate change is one of the de_ning issues of our time. It is now more certain than ever based on
many lines of evidence that humans are changing the earth's climate. The atmosphere and oceans have
warmed, accompanied by the sea level rise, strong decline in arctic sea ice, and other climate related
changes. The evidence is clear however, due to the nature of science, not every single detail is ever
totally settled or completely certain nor has every pertinent question yet been answered. Scienti_c
evidence continues to be gathered around the world and assumptions and _ndings about climate change
are continually analyzed and tested. Some areas of active debate and ongoing research include the link
between the ocean heat content and the rate of warming estimate of how much warming to expect
in the future and the connection between climate change extreme weather events. The focus of this
study is aimed to provide a brief over view of climatology at the lower and middle atmosphere, the
atmospheric variables the signi_cance of the composition of the atmosphere and their inuence on life
on the earth's surface and will extremely deal with the climate system, climate system components,
observed climate variability and changes. It also focuses on the e_ect of greenhouse gases, the carbon
cycle and atmospheric carbon dioxide, aerosols, their direct and indirect climatic e_ects in the middle
and lower atmosphere.
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Keywords
Climatology, Lower, Middle Atmosphere