Symposia 
Simple 
R.S.Drayt 
University C 
T.R.E.Chi 
University Oj 
ABSTRACT: 
drainage de 
ications of 
date, easil 
'from simple 
istics were 
logical par 
are made. 
1 INTRODUC 
One of the 
make estima 
logist is a 
of observed 
to use his 
which can p 
broad categ 
estimates o 
lity, or pr 
streamflow 
sequences. 
which satel 
The advanta 
and classif 
manageable 
resources. 
The obvio 
lite data i 
which exist 
ation. The 
have been c 
of satellit 
variables h 
(thematic f 
(geomorphic 
that satell 
ventional p 
regional mo 
A far mor 
models whic 
offered by 
in this vie 
gether the 
rather than 
Thus, the r 
not only on 
its moistur 
which occur 
this inform 
response, a 
sed into th 
spectral si 
meters base 
to yield hy 
powerful th 
Thus, our 
our study c 
properties, 
them, and t 
models usin 
different f 
in which it