Regional travel-time and slowness measurements for P-waves in the distance range 40–57°

Physics of the Earth and Planetary Interiors - Tập 32 - Trang 168-181 - 1983
C. Wright1
1Research School of Earth Sciences, Australian National University, P.O. Box 4, Canberra, A.C.T. 2600, Australia

Tài liệu tham khảo

Bolt, 1978, Summary value smoothing of physical time series with unequal intervals, J. Comput. Phys., 29, 357, 10.1016/0021-9991(78)90139-0 Burdick, 1981, Reply, J. Geophys. Res., 86, 11931, 10.1029/JB086iB12p11931 Chinnery, 1969, Velocity anomalies in the lower mantle, Phys. Earth Planet. Inter., 2, 1, 10.1016/0031-9201(69)90013-2 Chinnery, 1967, P-wave velocities in the mantle below 700 km, Bull. Seismol. Soc. Am., 57, 199 Cleary, 1966, An analysis of the travel times of P waves to North American station, in the distance range 32° to 100°, Bull. Seismol. Soc. Am., 56, 467 Clearly, 1969, Comparison of the 1968 P Tables with times from nuclear explosions, 7, 199 Cleary, 1968, The effects of local structure upon measurements of the travel time gradient at the Warramunga seismic array, 16, 21 Corbishley, 1970, Multiple array measurements of the P-wave travel-time derivative, 19, 1 Datt, 1981, Seismic velocity structure using array data, Phys. Earth Planet. Inter., 24, 33, 10.1016/0031-9201(81)90077-7 Datt, 1977, Evidence of multiplicity in the P travel-time curve beyond 30°, Phys. Earth Planet. Inter., 15, 28, 10.1016/0031-9201(77)90007-3 Hales, 1981, The upper mantle velocity distribution, Phys. Earth Planet. Inter., 25, 1, 10.1016/0031-9201(81)90124-2 Hales, 1975, Upper mantle travel times in Australia—a preliminary report, Phys. Earth Planet. Inter., 11, 109, 10.1016/0031-9201(75)90004-7 Herrin, 1968, Estimation of surface-focus P travel times, Bull. Seismol. Soc. Am., 58, 1273, 10.1785/BSSA0580041273 Jeffreys, 1937, On the smoothing of observed data, 33, 444 Jeffreys, 1961 Jeffreys, 1958 Johnson, 1969, Array measurements of P velocities in the lower mantle, Bull. Seismol. Soc. Am., 59, 973 Kanasewich, 1975, Reply, J. Geophys. Res., 80, 1920, 10.1029/JB080i014p01920 Lilwall, 1970, Estimation of P wave travel times using the joint epicentre method, 19, 165 Lyons, 1977, On the interfence between closely-spaced P arrivals recorded at seismic arrays, Pure Appl. Geophys., 115, 693, 10.1007/BF00876133 Muirhead, 1976, The Nth root process applied to seismic array data, 47, 197 Muirhead, 1980, Evidence for P wave velocity discontinuities at depths greater than 650 km in the mantle, Phys. Earth Planet. Inter., 23, 304, 10.1016/0031-9201(80)90127-2 Seismological Tables for P-Phases, 1968, Bull. Seismol. Soc. Am., 58, 1196, 10.1785/BSSA0580041196 Wright, 1970, P-wave investigations of the Earth's structure using the Warramunga seismic array Wright, 1981, Comments on “Apparent velocity measurements for the lower mantle from a wide aperture array” by L.J. Burdick and Christine Powell, J. Geophys. Res., 86, 11927, 10.1029/JB086iB12p11927 Wright, 1983, Anomalies in the P-wave travel time curve at distances close to 44° and 50°, Geophys. J. R. Astron. Soc. Wright, 1972, P-wave travel-time gradient measurements for the Warramunga seismic array and lower mantle structure, Phys. Earth Planet. Inter., 5, 213, 10.1016/0031-9201(72)90093-3 Wright, 1982, A method of determining an optimum P-wave velocity profile in a borehole using surface explosions, Geophys. J. R. Astron. Soc. Wright, 1975, Seismology, dTdΔ and deep mantle convection, 40, 115 Wright, 1981, A method of searching for radial velocity anomalies in the lower mantle using interfering signals, Pure Appl. Geophys., 119, 119, 10.1007/BF00878726 Wright, 1981, Further evidence for radial velocity anomalies in the lower mantle, Pure Appl. Geophys., 119, 137, 10.1007/BF00878727 Wright, 1969, Longitudinal waves from the Novaya Zemlya nuclear explosion of October 27, 1966, recorded at the Warramunga seismic array, J. Geophys. Res., 74, 2034, 10.1029/JB074i008p02034 Wright, 1974, The effects of local structure and the adjacent upper mantle on short-period P-wave arrivals recorded at the Warramunga seismic array, 36, 295