The New Method to Find the Anomalous Internal Structure of Terrestrial Planets and Its Test on the Earth / Proceedings of the 3rd International Gravity Field Service (IGFS), Shanghai, China, June 30 - July 6, 2014/статья
Дата последнего поиска статьи во внешних источниках: 17 ноября 2016 г.
Аннотация:The original method for solving the inverse incorrect problem of gravimetry is developed.
The method allows to find the anomalous density structure of terrestrial planets from
space-based observations of the gravity field and topography. Previously we used this
method to study the internal structure and geodynamic characteristics of the Earth and
Mars for the purpose of comparison and interpretation. In this paper the distribution of
the compensation’s depths for the Earth’s topographical harmonics and lateral distributions
of anomalous masses in selected depths are found with the help of this method. This
distribution of anomalous masses is compared with similar distribution obtained using of
seismic data for Earth’s Mohorovicic depths. The results obtained by these two methods
give good coincidence. The maps of stresses’ distribution in the Earth’s lithosphere,
obtained by our method, correspond to the map of earthquakes distribution. And the density
distribution in the boundaries’ layers of the Earth’s core and mantle are in good agreement
with the results of the analysis of free-oscillation data of the Earth. This gives reason to
believe that our method provides a good model representation, which can be helpful as
guidance in future studies on the surfaces of the terrestrial planets that are not available yet
for seismic observations.