Technical Comments

Response to Comment on “Sensitivity of seafloor bathymetry to climate-driven fluctuations in mid-ocean ridge magma supply”

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Science  15 Jul 2016:
Vol. 353, Issue 6296, pp. 229
DOI: 10.1126/science.aaf2022

Figures

  • Fig. 1 A global seafloor spectrogram.

    Period of the strongest peaks in published spectra of seafloor bathymetry plotted against full spreading rate. Data come from cross-axis bathymetry spectra at the Australian-Antarctic Ridge (AAR), gray squares (3); Chile Ridge (CR), black squares (14); and the SEPR, purple squares (2), with two additional small squares showing small-amplitude peaks at ~30 and 44 ky). The solid green curve marks the characteristic period corresponding to the dominant fault spacing, as predicted by models that closely fit the global trend of abyssal hill spacing [green curve in figure 3A in (4)]. Dashed green curves indicate overtones of the dominant fault periodicity that may arise in the frequency domain (15). Milankovitch periodicities are reported as horizontal blue lines.