Remote sensing monitoring of dynamic changes of vegetation information in Tangshan City
MU Jingqin1, ZHAN Sheng2
1. Department of Computer Science, Tangshan Teacher’s College, Tangshan 063000, China;
2. Department of Mathematics and Information Science, Tangshan Teacher’s College, Tangshan 063000, China
This paper aims at analyzing greenbelt distribution and change in Tangshan City and providing scientific basis and technical support for urban planning. In this paper, the authors provided a method for the extraction of the vegetation information in Tangshan City based on TM and ETM+ data. Vegetation information graph was calculated firstly by normalized difference vegetation index (NDVI), then through setting up the actual NDVI threshold parameter and the near infrared band threshold parameter, the accurate vegetation pixels were obtained, and vegetation information diagrams for several areas in Tangshan City were compiled. Using 3 periods of vegetation information diagrams during 1999—2009, a synthetic dynamic change diagram was computed. The diagram shows that, in the past 10 years, the park greenbelt as the mainly covering area of the city vegetation in Tangshan City has been increased. The effect of the South Lake ecological construction is obvious, and the city limits of Tangshan City have experienced expansion toward the peripheral area.
母景琴, 詹胜. 唐山市植被动态变化遥感监测[J]. 国土资源遥感, 2013, 25(3): 178-182.
MU Jingqin, ZHAN Sheng. Remote sensing monitoring of dynamic changes of vegetation information in Tangshan City. REMOTE SENSING FOR LAND & RESOURCES, 2013, 25(3): 178-182.
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2013, Vol. 25 
