Cycles in fossil diversity

Rica. Geophys. Res. Lett. 29, 38–41 (2002). 10. Chadwell, C. D. & Bock, Y. Direct estimation of absolute precipitable water in oceanic regions by GPS tracking of a coastal buoy. Geophys. Res. Lett. 28, 3701–3704 (2001). 11. Spiess, F. N. et al. Precise GPS/acoustic positioning of seafloor reference points for tectonic studies. Physics Earth Planet. Inter. 108, 101–112 (1998). 12. Webb, F. H. & Zumberge, J. F. An introduction to GIPSY/OASIS-II (JPL Publication D-11088, Jet Propulsion Lab., Pasadena, California, 1997). 13. Chadwell, C. D. Shipboard towers for Global Positioning System antennas.Ocean Eng. 30, 1467–1487 (2003). 14. Gomberg, J. & Ellis, M. Topography and tectonics of the central NewMadrid seismic zone: Results of numerical experiments using a three-dimensional boundary-element program. J. Geophys. Res. 99, 20299–20310 (1994). 15. Krabbenhöft, A., Bialas, J., Kopp, H., Kukowski, N. & Hübscher, C. Crustal structure of the Peruvian continental margin from wide-angle seismic studies. Geophys. J. Int. 159, 749–764 (2004). 16. Hampel, A., Kukowski, N., Bialas, J., Huebscher, C. & Heinbockel, R. Ridge subduction at an erosive margin: The collision of the Nazca Ridge in southern Peru. J. Geophys. Res. 109, B02101, doi:10.1029/ 2003JB002593 (2004). 17. Sella, G., Dixon, T. & Mao, A. REVEL: A model for recent plate velocites from space geodesy. J. Geophys. Res. 107, 2081, doi:10.1029/2000JB00033 (2002). 18. Angermann, D. & Klotz, J. R. Space geodetic estimation of the Nazca–South America Euler vector. Earth Planet. Sci. Lett. 171, 329–334 (1999). 19. DeMets, C., Gordon, R., Argus, D. & Stein, S. Effect of recent revision to the geomagnetic reversal time scale on estimates of current plate motion. Geophys. Res. Lett. 21, 2191–2194 (1994). 20. Larson, K. M., Freymueller, J. T. & Philipsen, S. Global plate velocities from the Global Positioning System. J. Geophys. Res. 102, 9961–9981 (1997). 21. Wang, K. & Dixon, T. “Coupling” semantics and science in earthquake research. Eos 85, 180 (2004). 22. Tichelaar, B. & Ruff, L. Seismic coupling along the Chilean subduction zone. J. Geophys. Res. 96, 11997–12022 (1991). 23. Bevis, M., Smalley, R. Jr, Herring, T., Godoy, J. & Galban, F. Crustal motion north and south of the Arica Deflection: Comparing recent geodetic results from the Central Andes. Geochem. Geophys. Geosyst. 1, 1999GC000011 (1999). 24. Schweller,W. J., Kulm, L. D. & Prince, R. A. inNazca Plate: Crustal Formation and Andean Convergence (eds Kulm, L. D., Dymond, J., Dasch, E. J., Hussong, D. M. & Roderick, R.) 323–349 (Mem. Geol. Soc. Am. 154, Geological Society of America, Boulder, Colorado, 1981). 25. Altimini, A., Sillard, P. & Boucher, C. ITRF2000: A new release of the International Terrestrial Reference Frame for earth science applications. J. Geophys. Res. 107, 2214, doi:10.1029.2001JB000561 (2002). 26. Smith, W. H. F. & Sandwell, D. T. Global seafloor topography from satellite altimetry and ship depth soundings. Science 277, 1957–1962 (1997).