Appendix A. Projected changes in precipitation from General Circulation Models (2071–2100) from the IPCC Fourth Assessment compared to baseline projections from 1971–2000. EmerySarah M. Bell-DereskeLukas RudgersJennifer A. 2016 Projected changes in precipitation from General Circulation Models (2071–2100) from the IPCC Fourth Assessment compared to baseline projections from 1971–2000.