Estimation of the Thickness of the Lunar Uppermost Basalt Layer Based on Lunar Radar Sounder Observations

Research on lunar basalt thickness and subsurface features is of great significance to conclude the magma evolution history and explore the thermal evolution process of the Moon. The mission of Lunar Radar Sounder (LRS) made subsurface detection within all major lunar maria. Nevertheless, determinin...

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Main Authors: Chenyang Zhang, Gang Wan, Lei Liu, Yutong Jia
Format: Article
Language:English
Published: IEEE 2022-01-01
Series:IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Subjects:
Online Access:https://ieeexplore.ieee.org/document/9772331/
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author Chenyang Zhang
Gang Wan
Lei Liu
Yutong Jia
author_facet Chenyang Zhang
Gang Wan
Lei Liu
Yutong Jia
author_sort Chenyang Zhang
collection DOAJ
description Research on lunar basalt thickness and subsurface features is of great significance to conclude the magma evolution history and explore the thermal evolution process of the Moon. The mission of Lunar Radar Sounder (LRS) made subsurface detection within all major lunar maria. Nevertheless, determining the actual depth of reflector needs to estimate the dielectric constants of the uppermost basalt layer. In this article, we use Maxwell-Garnett theory to determine the unique dielectric constant values of the fifth oldest unit in Mare Humorum (unit H5) and use the two-layer model to calculate the basalt layer thickness. The result shows that the thickness of basalt in the upper layer of unit H5 is 180 m and 120 m at the border between unit H5 and H7. It points out that the basalt in adjacent units may intrude below the boundary of unit H5.
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spelling doaj.art-0078a18df1fc41dfb227b25f110934752022-12-22T00:30:56ZengIEEEIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing2151-15352022-01-01153751375710.1109/JSTARS.2022.31737909772331Estimation of the Thickness of the Lunar Uppermost Basalt Layer Based on Lunar Radar Sounder ObservationsChenyang Zhang0https://orcid.org/0000-0003-3963-2817Gang Wan1Lei Liu2Yutong Jia3https://orcid.org/0000-0001-6441-0859Unit 63680 of PLA, Wuxi, ChinaSchool of Space Information, Space Engineering University, Beijing, ChinaSchool of Space Information, Space Engineering University, Beijing, ChinaSchool of Space Information, Space Engineering University, Beijing, ChinaResearch on lunar basalt thickness and subsurface features is of great significance to conclude the magma evolution history and explore the thermal evolution process of the Moon. The mission of Lunar Radar Sounder (LRS) made subsurface detection within all major lunar maria. Nevertheless, determining the actual depth of reflector needs to estimate the dielectric constants of the uppermost basalt layer. In this article, we use Maxwell-Garnett theory to determine the unique dielectric constant values of the fifth oldest unit in Mare Humorum (unit H5) and use the two-layer model to calculate the basalt layer thickness. The result shows that the thickness of basalt in the upper layer of unit H5 is 180 m and 120 m at the border between unit H5 and H7. It points out that the basalt in adjacent units may intrude below the boundary of unit H5.https://ieeexplore.ieee.org/document/9772331/Bulk dielectric constantlunar radar sounder (LRS)moonsubsurface reflector
spellingShingle Chenyang Zhang
Gang Wan
Lei Liu
Yutong Jia
Estimation of the Thickness of the Lunar Uppermost Basalt Layer Based on Lunar Radar Sounder Observations
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Bulk dielectric constant
lunar radar sounder (LRS)
moon
subsurface reflector
title Estimation of the Thickness of the Lunar Uppermost Basalt Layer Based on Lunar Radar Sounder Observations
title_full Estimation of the Thickness of the Lunar Uppermost Basalt Layer Based on Lunar Radar Sounder Observations
title_fullStr Estimation of the Thickness of the Lunar Uppermost Basalt Layer Based on Lunar Radar Sounder Observations
title_full_unstemmed Estimation of the Thickness of the Lunar Uppermost Basalt Layer Based on Lunar Radar Sounder Observations
title_short Estimation of the Thickness of the Lunar Uppermost Basalt Layer Based on Lunar Radar Sounder Observations
title_sort estimation of the thickness of the lunar uppermost basalt layer based on lunar radar sounder observations
topic Bulk dielectric constant
lunar radar sounder (LRS)
moon
subsurface reflector
url https://ieeexplore.ieee.org/document/9772331/
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AT gangwan estimationofthethicknessofthelunaruppermostbasaltlayerbasedonlunarradarsounderobservations
AT leiliu estimationofthethicknessofthelunaruppermostbasaltlayerbasedonlunarradarsounderobservations
AT yutongjia estimationofthethicknessofthelunaruppermostbasaltlayerbasedonlunarradarsounderobservations