METADATA IN ENGLISH

 

About the journal

 

NAUKA I TEKHNOLOGICHESKIE RAZRABOTKI (SCIENCE AND TECHNOLOGICAL DEVELOPMENTS), ISSN: 2079-5165, eISSN: 2410-7948, DOI: 10.21455/std; https://elibrary.ru/title_about.asp?id=32295; http://std.ifz.ru/. The journal was founded in 1992.

 

DEVELOPMENT OF INNOVATIVE METHODOLOGICAL
SUPPORT FOR MARINE GRAVIMETRIC SURVEYS

 

© 2017 г. V.N. Koneshov, L.K. Zheleznyak, V.N. Soloviev, P.S. Mikhailov

Schmidt Institute of Physics of the Earth, Russian Academy of Sciences, Moscow, Russia

Corresponding author: P.S. Mikhailov, e-mail: paulmikh@mail.ru

 

Highlights

 

‒ Gravimetric complexes “Chekan-AM” and “Shelf” are briefly described

‒ Earth’s gravitational field models were used in combination with ship measurements

‒ Combining data from different sources is a new approach in marine gravimetry

‒ A method of accounting for the ocean tide, reducing random errors is created

‒ The developments successfully passed the tests in the Arctic and are ready for use

 

Abstract. The main achievements of the authors in the field of development of innovative methodological support for marine gravimetric surveys are presented. The authors actively participated in the development of gravimeters and created several generations of gravimetric equipment in cooperation with other organizations. The main characteristics and results of laboratory and marine tests of mobile gravimetric complexes “CHEKAN-AM” and “SHELF” are briefly considered. These complexes were successfully operated in severe arctic conditions, including during the first high-precision marine gravimetric survey in the region of the North Pole of the Earth. The methodological support and results of the use of modern models of the Earth’s gravitational field and the integration of data from various means of determining gravity in the interests of marine gravity are described. The increase in the accuracy and resolution of Earth’s gravitational field models leads to their use beyond the solution of only fundamental problems. In most areas of the World Ocean, the model field can be used as a reference field when performing a direct marine gravimetric survey. Innovative developments have increased the reliability and accuracy of marine surveys primarily due to the control and correction of systematic errors arising in marine measurements. They make it possible to shoot at sea ranges with an error of 0.5 mGal or less, expand the planning capabilities of the survey network, increase the reliability of long-term route surveys, reduce the time of reference measurements, to perform marine gravimetric survey without reference to shore support points and with one marine gravimeter on board without loss of reliability of measurements. An innovative method of accounting for the ocean tide with application of loading models of the ocean gravitational effect was developed according to the program ATLANTIDA3.1_2014. Experiments have shown that with this way it is possible to reduce the random errors by more than 20%. Based on the results of the research, ready-made innovative and promising methods for measuring the parameters of the Earth’s gravitational field on the surface of the waters of the World Ocean have been developed.

Keywords: Earth’s gravitational field, marine gravimetry, modern global models of the Earth’s gravitational field, oceanic tide

Cite this article as: Koneshov V.N., Zheleznyak L.K., Soloviev V.N., Mikhailov P.S. Development of innovative methodological support for marine gravimetric surveys, Nauka i Tekhnologicheskie Razrabotki (Science and Technological Developments),, 2017, Vol. 96, No. 4, pp. 3–18. [Special issue “Applied Geophysics: New Developments and Results. Part. 2. Navigation and Space Research”]. [in Russian]. DOI: 10.21455/std2017.4-1

 

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About the authors

 

KONESHOV Vyacheslav Nikolaevich — Doctor of Technical Sciences, Professor, Deputy Director, Head of the Laboratory of Gravinertial Measurements, Schmidt Institute of Physics of the Earth of the Russian Academy of Sciences. 123242, Moscow, ul. Bolshaya Gruzinskaya 10, stroenie 1. Tel.: +7(499) 254-23-35. E-mail: slavakoneshov@hotmail.com

 

ZHELEZNYAK Leonid Kirillovich — Doctor of Technical Sciences, Chief Researcher, Schmidt Institute of Physics of the Earth of the Russian Academy of Sciences. 123242, Moscow, ul. Bolshaya Gruzinskaya 10, stroenie 1. Tel.: +7(499) 271-63-07. E-mail: zlkledovo@yandex.com

 

SOLOVYEV Vladimir Nikolayevich — Senior Research Fellow, Schmidt Institute of Physics of the Earth of the Russian Academy of Sciences. 123242, Moscow, ul. Bolshaya Gruzinskaya 10, stroenie 1. Tel.: +7 (499) 254-23-35. E-mail: solovyev@ifz.ru

 

MIKHAILOV Pavel Sergeevich — Candidate of Technical Sciences, Researcher, Schmidt Institute of Physics of the Earth of the Russian Academy of Sciences. 123242, Moscow, ul. Bolshaya Gruzinskaya 10, stroenie 1. Tel.: +7 (499) 254-23-35. E-mail: paulmikh@mail.ru (corresponding author)