![]() ![]() Most notably, anthropogenic aerosol emissions that increased rapidly across Europe and North America up to the 1980s (Lamarque et al., 2010) have been linked to an observed southward shift in tropical precipitation, which was associated with widespread drying of the Sahel between the 1950s and 1980s (Biasutti and Giannini, 2006 Allen et al., 2015 Kang et al., 2021 Herman et al., 2020 Ackerley et al., 2011 Booth et al., 2012 Dong et al., 2014 Hirasawa et al., 2020). This hemispheric nature of anthropogenic aerosol radiative forcing has been linked to observed shifts in tropical precipitation and understood using idealised and transient climate model simulations Hwang et al., 2013 Williams et al., 2001 Rotstayn and Lohmann, 2002 Rotstayn et al., 2000 Chang et al., 2011 Evans et al., 2020 Chemke and Dagan, 2018 Bonfils et al., 2020). Back then border raiding was a way of life and Andrew witnesses the battle to retake Roxburgh Castle fro. ![]() The increase in anthropogenic aerosol emissions over the industrial era has therefore caused a negative radiative forcing mainly in the Northern Hemisphere. In the Keep of Time 1977 / General Fiction With the turn of a glowing key, four children are transported back to the fifteenth century when they open the door to an ancient Scottish tower. ![]()
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