Africa
Estimating the potential for twenty-first century sudden climate change
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2007. Estimating the potential for twenty-first century sudden climate change. Philosophical Transactions of the Royal Society a-Mathematical Physical and Engineering Sciences. 365:2675-2694.
North American droughts of the last millennium from a gridded network of tree-ring data
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2007. North American droughts of the last millennium from a gridded network of tree-ring data. Journal of Climate. 20:1353-1376.
Identifying underserved end-user groups in the provision of climate information
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2003. Identifying underserved end-user groups in the provision of climate information. Bulletin of the American Meteorological Society. 84:1525.