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Figure 10.5. The Imbrie model and SPECMAP compared: (upper) the Imbries' presentation of
their ice volume model; (middle) the present evaluation of the Imbrie model (which agrees with
M&M's
Figure 6.10
); and (lower) SPECMAP.
10.2.3 Change in ice sheet volume and peak solar intensity compared
The usual procedure for comparing the astronomical theory with ocean sediment
data is based on the assumption that benthic ocean sediment data represent ice
sheet volume (V) and, thus, it is necessary to integrate insolation (e.g., via the
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