抄録
A method for estimating the canopy coverage of, forest by remote sensing techniques has been required. To illustrate, the Kyoto protocol adopted in 1997 has shown that it is important to calculate CO2 absorption of the forest. To calculate CO2, it is necessary to accurately estimate the canopy area of specific forest. Therefore, remote sensing techniques, which can observe wide ranges periodically, have been expected to estimate canopy coverage of specific forest.
In this paper, we propose an improved matched filter method for estimating canopy coverage of alder trees in a forest located in the Kushiro mire using remotely sensed imagery. The conventional matched filter method has been problem for estimating specific vegetation, because there are the effects of various vegetations within a single pixel. However, the canopy coverage of alder trees in the Kushiro was able to be estimated by the proposed method which removes the effects of other vegetation.
