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- W2148677478 abstract "Volcanic hazard is one of the predominant disasters that constantly threat life and property. There are about seven active volcanoes in Philippines. Historical events and very recent eruptions suggest that Mayon volcano is very active. Proper understanding of the geographical distribution of lava deposits in Mayon area and its changes with time could facilitate in the development of mitigation plan for future disasters. Advancement of satell ite remote sensing has offered greater potential for detection of lava deposit at larger scales. The development of weather-independent microwave remote sensing has made the remote detection over large area at any time. However, detection of deposits using only SAR image is sometimes hindered by ambiguities and noise. For instance, ambiguity occurs in deposit area covered by young vegetation, which will give high or low backscatter depending on their orientation and the viewing geometry of SAR. This difficulty can be overcome by using the coherence as additional information to identify these areas. Furthermore, changes in lava deposits before and after an eruption can be identified from height difference information, which was derived using D-INSAR technique with around 5 to 10 meters accuracy. Integration of SAR image, coherent image, height difference and other spatial information is highly suitable for comprehensive analysis of volcanic deposits detection." @default.
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- W2148677478 date "2001-01-01" @default.
- W2148677478 modified "2023-09-27" @default.
- W2148677478 title "THREE DIMENSIONAL DETECTION OF VOLCANIC DEPOSIT ON MOUNT MAYON USING SAR INTERFEROMETRY" @default.
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