MONITORING TEMPORAL CHANGE IN ALASKAN FORESTS USING AIRSAR DATA
Abstract
Recent results of radar signature modeling and measurement of multi-temporal changes in radar backscatter using the JPL aircraft synthetic aperture radar (AIRSAR) indicate it is possible to use spaceborne imaging radars such as the European Space Agency's (ESA's) Earth Remote Sensing (ERS-1) synthetic aperture radar to monitor both phenologic and environmental change in forests, as well as to map forest species by taking advantage of seasonal forest signatures. These results also demonstrate the importance of knowing the seasonal state of the forest when estimating canopy properties from SAR. The test site was the Bonanza Creek Experimental Forest southeast of Fairbanks, Alaska.
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