5Robert McLeman, Dick Mayo, Earl Strebeck, et al. . Droughtadaptation in rural eastern Oklahoma in the 1930s: lessons for cli- mate change adaptation research [ J ]. Mitig Adapt Strat Glob Change, 2008, 13:379-400.
6B L Turner II, Roger E Kasperson, Pamela A Matsone, et al. A framework for vulnerability analysis in sustainability science [ J ]. PNAS, 2003, 14:8074 - 8079.
7Irasema Alcdntara-Ayala. Geomorphology, Natural Hazards, Vul- nerability and prevention of natural disasters in developing coun- tries[ J]. Geomorphology, 2002, 47:107 - 124.
8United Nations International Strategy for Disaster eduction ( UNIS- DR). Disaster reduction and sustainable development - under-standing the links between vulnerability and risk to disasters relat- ed to Development and Environment[ R]. UNISDR, 2003.