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《Beijing Surveying and Mapping》 2018-10
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Dynamic Change Analysis of Vegetation Coverage in Qingdao City Based on MODIS during 2008-2017

ZHAO Xin;WANG Ping;College of Geomatics,Shandong University of Science and Technology;  
With the MODIS vegetation index products of Qingdao in 2008,2012 and 2017 as data source,vegetation coverage information was extracted using a dimidiate pixel model based on Normalized Difference Vegetation Index(NDVI).And the changes of vegetation coverage degree and the relationship with climate,human activities and other factors were analyzed in the last ten years of Qingdao.The results show that the vegetation coverage of Qingdao in the past decade has shown a downward trend as a whole.The proportion of the area with vegetation coverage greater than0.6 decreased from75.45%in 2008 to 61.38% in 2017,and the vegetation coverage increased.The area only accounts for 10.95%,while the reduced area accounts for 22.14%.Natural factors such as the decrease of precipitation,changes in temperature,and human factors such as human activities and policy changes are the main causes of changes in vegetation coverage in Qingdao.
【CateGory Index】: Q948
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