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Proceedings Paper

Estimating fractional vegetation cover in the Wenchuan earthquake disaster area using high-resolution airborne image and Landsat TM image
Author(s): Quanjun Jiao; Bing Zhang; Liangyun Liu; Yong Hu
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Paper Abstract

The fractional vegetation cover (Fvc) can be characterized by strong temporal dynamics that need to be considered for environmental recovery assessment in the Wenchuan earthquake disaster area. This study is to test the capacity of satellite remote sensing images in estimating fractional vegetation cover in the Sichuan disaster area. Two different spectral mixture analysis methods including N* and N*2 transformed from NDVI are applied for fractional vegetation cover estimation using Landsat TM image. High-resolution fractional vegetation cover production from airborne images is used for validation. The result shows that N* has the non linear relationship with airborne fractional vegetation cover values in this study area and N*2 takes a better performance (R2=0.993). In total, retrieved Fvc values from Landsat TM image have a strong relationship to those from airborne image, and can be used in environmental dynamics assessment in the Wenchuan Earthquake disaster area.

Paper Details

Date Published: 23 November 2011
PDF: 7 pages
Proc. SPIE 8006, MIPPR 2011: Remote Sensing Image Processing, Geographic Information Systems, and Other Applications, 80062G (23 November 2011); doi: 10.1117/12.902065
Show Author Affiliations
Quanjun Jiao, Ctr. for Earth Observation and Digital Earth (China)
Bing Zhang, Ctr. for Earth Observation and Digital Earth (China)
Liangyun Liu, Ctr. for Earth Observation and Digital Earth (China)
Yong Hu, Ctr. for Earth Observation and Digital Earth (China)


Published in SPIE Proceedings Vol. 8006:
MIPPR 2011: Remote Sensing Image Processing, Geographic Information Systems, and Other Applications
Faxiong Zhang; Faxiong Zhang, Editor(s)

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