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A Geological Mapping Method of Lunar Impact Craters Based on Remote Sensing Data

A technology for remote sensing data and impact craters, which is applied in the fields of planetary remote sensing and planetary geology, and can solve the problems of lack of detailed representation of topographic and structural information and low resolution of impact crater mapping.

Active Publication Date: 2021-04-06
SHANDONG UNIV
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Problems solved by technology

On the 1:5 million lunar geological map of the United States, although all lunar surface impact craters with a diameter greater than 10 km are identified, they are only described as a single geological unit (crater material), and the five units of the impact crater are not separately analyzed. division, the morphology and structure information of each part is not expressed in detail
[0006] In addition, on the previous geological map of the moon, the formation age of the impact crater was only roughly estimated based on the superposition relationship of the strata, and the absolute age was not determined.
[0007] Finally, the resolution of the impact craters on the previous lunar geological map is too low. Taking the 1:5 million lunar geological map as an example, the size of the lunar surface impact crater with a diameter of 20km is only 4cm on the map, which is low. The spatial resolution is difficult to clearly express and synthesize the details of the impact craters on the lunar surface

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  • A Geological Mapping Method of Lunar Impact Craters Based on Remote Sensing Data
  • A Geological Mapping Method of Lunar Impact Craters Based on Remote Sensing Data
  • A Geological Mapping Method of Lunar Impact Craters Based on Remote Sensing Data

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[0079]It should be noted that the following detailed description is illustrative and is intended to provide a further description of the present application. Unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art of this application.

[0080]It should be noted that the terms used herein are intended to describe specific embodiments, and not intended to limit the exemplary embodiments of the present application. As used herein, unless the context further clearly indicates that the singular form is intended to include a plural form, but it should be understood that when the term "including" and / or "including" is used in this specification, it indicates There is a combination of features, steps, operations, devices, components, and / or their combinations.

[0081]In a typical embodiment of the present application, the present invention is divided into four steps in the geological filling of the mo...

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Abstract

The invention discloses a method for geological mapping of lunar surface impact craters based on remote sensing data. The steps include: performing data processing on lunar surface images and terrain data; determining the absolute age of impact craters; identifying the linear structure of impact craters; dividing the impact crater geological units : Use the DEM and image data covering the crater area to identify feature points corresponding to terrain fluctuations and luminosity changes, and then connect the feature points representing the same unit. boundaries. Based on this invention, a geological map of impact craters with high spatial resolution and comprehensive topography and geological information can be generated. scientific research needs.

Description

Technical field[0001]The present invention relates to the field of planetary tendency and planetary geology, and in particular, to a monthly impact pit geological filling method based on remote sensing data.Background technique[0002]The moon is the preferred objective of human deep exploration, which has special status in the development and utilization of outer space. There is no atmosphere, water and life on the moon, and the influencing factors affecting the function of moon, the murderous muscle effects and meteorite external power impact. The hit pit is a ring depression formed by the planet, satellite, asteroid, or other type of martial surface due to meteorite impact. Monthly hitting pit forms gradually increase in diameter to three categories: simple impact pits, complex impact pits and hit the basin. The morphology of the simple and complex impact pits is approximately "bowl". The bottom of the pit is usually relatively gentle, if the hitting pit diameter is greater than 20...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T11/00G06T7/30
CPCG06T11/001G06T7/30
Inventor 李勃凌宗成张江武中臣倪宇恒陈剑刘长卿毕向宇刘莉
Owner SHANDONG UNIV
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