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ABSTRACT 
The directional i 
consequence of I 
density of scene 
spectroradiomet 
canopies. Seasoi 
percentage cove 
although for bot 
in percentage cc 
data from both s 
the two species i 
the wavelength < 
depending on th 
KEY WORDS: 
1. INTRODUC 
Forests and woo 
of the annual ne 
sensing to estim 
evapotranspirati 
of the forest eco: 
Wessman et al. 
is widely recogn 
stands are both i 
may be transferr 
data is also impc 
has not received 
This paper repoi 
properties of a d 
temporal change 
of this project w; 
were four-fold: ( 
intervals througl 
To determine th< 
cover variations; 
response, NDVI.