Geoscientific Model Development, vol 10, iss 2 Mitchell, D, AchutaRao, K, Allen, M, Bethke, I, Beyerle, U, Ciavarella, A, Forster, P M, Fuglestvedt, J, Gillett, N, Haustein, K, Ingram, W, Iversen, T, Kharin, V, Klingaman, N, Massey, N, Fischer, E, Schleussner, C F, Scinocca, J, Seland, Ø, Shiogama, H, Shuckburgh, E, Sparrow, S, Stone, D, Uhe, P, Wallom, D, Wehner, M & Zaaboul, R 2017, ' Half a degree additional warming, prognosis and projected impacts (HAPPI) : background and experimental design ', Geoscientific Model Development, vol. 10, no. 2, pp. 571-583 . https://doi.org/10.5194/gmd-10-571-2017 Geoscientific Model Development, Vol 10, Iss 2, Pp 571-583 (2017) Mitchell, D; AchutaRao, K; Allen, M; Bethke, I; Beyerle, U; Ciavarella, A; et al.(2017). Half a degree additional warming, prognosis and projected impacts (HAPPI): Background and experimental design. Geoscientific Model Development, 10(2), 571-583. doi: 10.5194/gmd-10-571-2017. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/68x1r258 Geoscientific Model Development, 10 (2)