Figure 5. Stratigraphic variation in the total reflectance of visible light (400-700 nm) at Holes 1077A and 1077B, displaying a periodicity that may correspond to the 41-k.y. (obliquity) and 100-k.y. (eccentricity) cycles. A nine-point smoothing procedure was applied to the data set.

Figure 5. Stratigraphic variation in the total reflectance of visible light (400-700 nm) at Holes 1077A and 1077B, displaying a periodicity that may correspond to the 41-k.y. (obliquity) and 100-k.y. (eccentricity) cycles. A nine-point smoothing procedure was applied to the data set.