452 
overflown the» 
developed by . 
overflights of e 
and polarizatio 
polarized (HV 
relationship to : 
and gravel of d 
few tens of cm, 
exception of oc 
and in some cai 
We decided to i 
the desert sites 
submeter-scale 
surface consisti 
the surface is n 
microwave ene 
energy. In the c 
A site near the 
equipped with 
including a var 
crops (e. g., bai 
tens of centime 
ai, 1993]. Uni 
evidences of aci 
or larger. 
DATA COLLI 
The DC-8 over 
simultaneously 
dataset. Radioi 
targets, includii 
comer reflectoi 
Images such as 
checked using t 
from field work 
Soil moisture s 
volumetric moi 
although the z Q 
ANALYSIS 
Patches represe; 
of L-band HV 
Estimates were 
Polarization sig 
(with the except 
Wind profile da 
were used to ca 
site. Hot-wire; 
afternoons. Ap 
Figure 1. - AIRSAR image of the Stauning test site. In this false-color presentation, P- 
band data are shown as red, L-band as green, and C-band as blue.