Agroclimatologie ; Analyse spatiale ; Années 1991-2000 ; Années 2000-2009 ; Blé ; Catastrophe ; Changement climatique ; Chine ; Etude comparée ; Production agricole ; Stress hydrique ; Sécheresse
[b1] Academy of Disaster Reduction and Emergency Management / State Key Lab. of Earth Surface Process and Ressource Ecology, Normal University, Beijing, Chine
[b2] Inst. of Geographic Sciences and Natural Resources Research, Beijing, Chine