编号 zgly0001584380
文献类型 期刊论文
文献题名 中国不同区域植被覆被状况和沙尘暴强度的关系分析(英文)
作者 谈明洪
作者单位 KeyLaboratoryofEcosystemNetworkObservationandModeling InstituteofGeographicSciencesandNaturalResourcesResearch CAS
母体文献 Journal of Geographical Sciences
年卷期 2016年04期
年份 2016
分类号 P461.7 P425.55
关键词 relationship dust-stormintensity landsurfacefeature northernChina
文摘内容 It is difficult to estimate the effects of vegetation on dust-storm intensity(DSI) since land surface data are often recorded aerially while DSI is recorded as point data by weather stations. Based on combining both types of data, this paper analyzed the relationship between vegetation and DSI, using a panel data-analysis method that examined six years of data from 186 observation stations in China. The multiple regression results showed that the relationship between changes in vegetation and variance in DSI became weaker from the sub-humid temperate zone(SHTZ) to dry temperate zone(DTZ), as the average normalized difference vegetation index decreased in the four zones in the study area. In the SHTZ and DTZ zones, the regression model could account for approximately 24.9% and 8.6% of the DSI variance, respectively. Lastly, this study provides some policy implications for combating dust storms.