Nutation and the Earth’s Rotation

Front Matter....Pages i-xvi
The Specification of Nutation in the IAU System of Astronomical Constants....Pages 1-7
Some Difficulties in the Theory of Nutation....Pages 9-11
Reduction of the Past ILS Data in a Uniform System....Pages 13-16
For a Clear Terminology in the Polar Motion Investigations....Pages 17-21
Nutation and the Oppolzer’s Terms....Pages 23-32
On the Effect of the Scale Value on the Principal Nutation Terms Derived from the ILS Data....Pages 33-34
Nutation Terms Derived from the Z- and the τ-Term of the IPMS System....Pages 35-40
Fortnightly Nutation from the ILS Data....Pages 41-46
Short-Period Nutation from Observation with the Pulkovo Polar Tube....Pages 47-49
Short-Period Terms in Time and Latitude Observations Made with the Herstmonceux Photographic Zenith Tube....Pages 51-57
Nearly Diurnal Free Polar Motion Derived from Astronomical Latitude and Time Observations....Pages 59-66
Nutation and Nearly Diurnal Latitude Variations from the Data of Bright Zenith Star Observations in Poltava from 1950 to 1977....Pages 67-74
Spectrum of Latitude Variations in the Frequency Range 1.4–2.2 cpy and a Search for Nearly Diurnal Free Polar Motion....Pages 75-79
Elimination de Certains Effets dans les Observations à l’Astrolabe: Application à l’Évaluation de Corrections aux Termes Principaux de la Nutation....Pages 81-86
Corrections to Some Terms of Nutation Deduced from the Paris Astrolabe Observations....Pages 87-94
Recherche de Termes de Nutation Dans l’Analyse des Observations de Latitude Effectuées á Paris....Pages 95-108
A Determination of the Principal Term of Nutation....Pages 109-110
Spectral Analysis of Latitude Observations at Gorky and Determination of the Semi-Annual Term of Nutation....Pages 111-116
On the Adoption of Empirical Corrections to Woolard’s Nutation Theory....Pages 117-124
Expected Use of Lunar Range Data to Determine Modified Nutation Terms....Pages 127-128
The Determination of Absolute Phase of a Long Baseline Interferometer and its Application to the Precise Measurement of the Constant of Nutation....Pages 129-138
The Earth’s Constitution and the Nutations....Pages 139-151
On the Nature of the Nonhydrostatic Quadrupole Excess Moment of the Earth....Pages 153-156
On the Equation of Precession and Nutation of the Dynamically Unbalanced Earth....Pages 157-157
On the Ellipsoidal Distribution of Density in the Earth’s Interior....Pages 159-159
A Review of the Different Liquid Core Models Used for the Computation of the Dynamical Effects on Nutations and Earth Tides....Pages 161-163
A Simple Theory on the Dynamical Effects of a Stratified Fluid Core upon Nutational Motion of the Earth....Pages 165-183
Gravitational, Inertial and Toroidal Oscillations of the Outer Core and Their Related Free Wobbles....Pages 185-186
The Period of the Chandler Wobble....Pages 187-193
A Normal Mode Study of Wobble and Nutation....Pages 195-202
Local Effects on Earth Tide Observations....Pages 203-204
On the Electro-Magnetic Coupling between the Core and the Mantle of the Earth....Pages 205-208
On Random Excitation and Damping of the Polar Motion....Pages 209-209
Variations of Differences of Latitudes and of Mean Latitudes of Stations Located in the Vicinity of a Common Meridian....Pages 211-221
Earth Tide Components and Forced Nutations....Pages 225-234
Forced Nutation and Irregularity of the Rotation of the Earth....Pages 235-237
The Love Numbers of the Anelastic Earth....Pages 239-242
Global Plate Tectonics and the Secular Motion of the Pole....Pages 243-244
Report of General Discussions at IAU Symposium No. 78 on Nutation and the Earth’s Rotation....Pages 247-250
Consideration of The Resolutions....Pages 251-258
Back Matter....Pages 259-266