Figure F10. Cross-spectral analyses between benthic <img src="../../chars/delta.gif">18O and between <img src="../../chars/delta.gif">13C records from Sites 1241 and 925/926 for the time intervals from 2.5 to 4 Ma and 4 to 5.7 Ma with power and coherency spectra. Records were interpolated at 2-k.y. steps. The number of lags was set to 50% of the time series. All relationships are coherent above the 80% confidence level (nonzero coherency level = 0.52).

Figure F10. Cross-spectral analyses between benthic

¹⁸O and between

¹³C records from Sites 1241 and 925/926 for the time intervals from 2.5 to 4 Ma and 4 to 5.7 Ma with power and coherency spectra. Records were interpolated at 2-k.y. steps. The number of lags was set to 50% of the time series. All relationships are coherent above the 80% confidence level (nonzero coherency level = 0.52).