FUNCSPEC
-- time (yr)    uz (cm)   at x=0, z=0
    0.0         0.0
    0.25        1.61797
    0.5         3.39985
    0.75        5.00412
    1           6.30169
    1.25        7.46387
    1.5         8.57191
    1.75        9.07018
    2           8.07001
    2.25        7.22614
    2.5         6.56527
    2.75        5.86206
    3           5.22395
    3.25        4.61455
    3.5         4.1022
    3.75        3.62667
    4           3.18572
    4.25        2.80579
    4.5         2.46096
    4.75        2.13058
    5           1.81663
    5.25        1.54096
    5.5         1.27062
    5.75        1.01003
    6           0.764253
    6.25        0.534383
    6.5         0.326789
    6.75        0.130914
    7          -0.0516552
    7.25       -0.219894
    7.5        -0.372218
    7.75       -0.509415
    8          -0.632282
    8.25       -0.74034
    8.5        -0.833376
    8.75       -0.912595
    9          -0.97844
    9.25       -1.03202
    9.5        -1.07336
    9.75       -1.10275
    10         -1.12102
/