Hachigonta, Sepo; Nelson, Gerald C.; Thomas, Timothy S.; … - In: Southern African agriculture and climate change: A …
According to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC) (Le Treut et al. 2007, 96), climate is defined as average weather over a period of time, ranging from months to millions of years. Climate is usually described in terms of the mean and variability...