NDLI: Monitoring of forest fire damage by using JERS-1 InSAR

Content Provider	IEEE Xplore Digital Library
Author	Takeuchi, S. Yamada, S.
Copyright Year	2002
Description	Author affiliation: Hiroshima Inst. of Technol., Japan (Takeuchi, S.; Yamada, S.)
Abstract	The authors investigated on the applicability of interferometric SAR (InSAR) for monitoring forest fire damage. We attempted to use the coherence information obtained through interferometric SAR (InSAR) to detect and monitor damaged areas by forest fire. The test site is the forest around Tamano City in Okayama Prefecture, where a relatively big forest fire occurred in August, 1994, and a total area of 359 ha was burnt. We used several interferometric data pairs by JERS-1 SAR acquired before and after the forest fire. The multilook intensity images and the coherence images were created in the test site and both of intensity and coherence changes due to the fire in damaged forest areas were extracted and they were compared with those in non-damaged forest areas. The result indicated that intensity decreased slightly after the fire, however, the change was not big enough to interpret and extract damaged forest areas clearly. On the other hand, coherence increased significantly in damaged areas after the fire and it was much easier to interpret and extract damaged areas compared with intensity. The experimental result in this study supports that InSAR is effective for detecting and monitoring land cover changes by a forest fire as well as deforestation, for which InSAR has been already verified to use effectively.
Sponsorship	IEEE IEEE Geosci. & Remote Sensing Soc. Canadian Remote Sensing Soc. Univ. Waterloo Natural Resources Canada (NRCan) Canadian Space Agency (CSA) Environ. Canada NASA Nat. Oceanic & Atmos. Adm. (NOAA) Office of Naval Res.(ONR) Nat. Space Dev. Agency of Japan (NASDA) Nat. Polar-orbiting Environ. Satellite Syst. (NPOESS)
Starting Page	3290
Ending Page	3292
File Size	624770
Page Count	3
File Format	PDF
ISBN	078037536X
DOI	10.1109/IGARSS.2002.1027159
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-06-24
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Monitoring Fires Synthetic aperture radar interferometry Pixel Testing Data mining Biomass Degradation Data processing Azimuth
Content Type	Text
Resource Type	Article

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