Subbottom observation platform, seabed relative geodesic device and system

An observation platform and basement technology, applied in the field of marine geological scientific observation, can solve problems such as the inability to accurately measure the deformation of the seabed crust

Active Publication Date: 2016-08-31
SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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Problems solved by technology

[0007] In view of the deficiencies of the above-mentioned prior art, the object of the present invention is to provide a base observation platform, a seabed relative geodetic device and a system, to solve the problem that the "unilateral" land GPS observation in the prior art cannot accurately measure the seabed crust deformation problem

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[0031] The present invention provides a base observation platform, seabed relative geodetic device and system. In order to make the purpose, technical solution and effect of the present invention clearer and clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0032] see figure 1 , a seabed relative geodetic device provided by the present invention, such as figure 1As shown, it consists of a network of 3 base observation platforms a with the same basic structure and function and operating independently within an area with a diameter of 10 kilometers; the base observation platforms communicate with each other through acoustic signals b to measure Relative distance between platforms. Each base observation platform is provided with a release control...

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Abstract

The invention discloses a subbottom observation platform, a seabed relative geodesic device and system. The subbottom observation platform consists of a recovery system and a discarding support. The seabed relative geodesic device and system can be widely arranged near various seabed structural units like a seabed volcano, a transform fault, an spreading ridge, etc, and can be even arranged near an spreading magma reservoir or a hot spot in order to observe the change of the magma reservoir and the interaction between the hot spot and an ocean spreading ridge. The seabed relative geodesic system can precisely obtain motion process information of various geology and deposition events in a short distance and in real time, and can help people establish comprehensive acknowledgment about the phenomenon like lithosphere transformation, evolution, deposition, etc.

Description

technical field [0001] The invention relates to the technical field of marine geological scientific observation, in particular to a base observation platform, a seabed relative geodetic device and a system. Background technique [0002] In recent years, frequent earthquakes and tsunamis have claimed a large number of lives and property, and caused huge losses. Errors in the understanding of the law and influencing factors of major earthquakes are mainly due to the fact that the earthquake period is longer than the history of human observation. Usually, the earthquake period of earthquakes above Mw9.0 is several centuries, and the larger the magnitude, the longer the earthquake period. The longer it is, and the history of human beings' earthquake records is only more than a century, so scientists' knowledge of earthquake frequency and influencing factors is still quite insufficient. [0003] According to seismic observations and analysis of subducting slabs, earthquakes alon...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V1/00G01S15/88
CPCG01S15/88G01V1/01
Inventor 孙珍林间孙兆华黄健龙黄锐李晓伟
Owner SOUTH CHINA SEA INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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