#
# The covariance matrix has two terms:
#    1. Linearly decreasing, std. dev. 0.5 and correlation length 0.2
#    2. Gaussian, std. dev. 0.15, correlation length 0.3 and cut-off at 0.1
#
# The correlation lengths are given in decades (1 decade is about 16 km).
#
2       
2 1     
0    
0     
2 3     
 7  3.0  0.0
-5  3.0  0.0