RT Journal Article T1 An energy balance climate model with hysteresis A1 Díaz Díaz, Jesús Ildefonso A1 Hetzer, G. A1 Tello del Castillo, Lourdes AB Energy balance climate models of Budyko type lead to reaction-diffusion equations with slow diffusion and memory on the 2-sphere. The reaction part exhibits a jump discontinuity (at the snow line). Here we introduce a Babuska-Duhem hysteresis in order to account for a frequent repetition of sudden and fast warming followed by much slower cooling as observed from paleoclimate proxy data. Existence of global solutions and of a trajectory attractor will be established for the resulting system of a parabolic differential inclusion and an ode. PB Pergamon-Elsevier Science SN 0362-546X YR 2006 FD 2006-05-01 LK https://hdl.handle.net/20.500.14352/49964 UL https://hdl.handle.net/20.500.14352/49964 LA eng NO H. 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