Drought Risk Assessment of the Beibu Gulf Economic Zone,China
Abstract：Drought risk rates of water resources were calculated using the risk analysis model of information diffusion in the Beibu Gulf Economic Zone.Combining with Mann-Kendall trend test method,inner-annual distribution uniformity coefficient and concentrate degree,we comprehensively evaluated temporal and spatial changing characteristics of the drought risk in the Beibu Gulf Economic Zone.The results showed,①drought risk rates showed ascendant trend in Chongzuo and Fangchenggang during 1953—2010,while drought risk rates assumed the drop tendency in Nanning,Yulin,Beihai and Qinzhou;②the Beibu Gulf drought risk mainly had a upward trend since 1980;③ the average annual drought risk rates were larger in Nanning and Chongzuo than others;④except Chongzuo,inner-annual distribution uniformity coefficient and concentrate degree had rising tendency in the Beibu Gulf Economic Zone,which can increase drought risk.
Keywords：the Beibu Gulf Economic Zonetheory of information diffusiondroughtrisk assessment
Publication Date：2012-01-01
Online Publishing Date：2026-09-12(First online date of this platform, not the publication date of the document)
Pages：6( 1-5,25 )