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月球Reiner Gamma漩涡地区物质的光度行为及分类
引用本文:张江,凌宗成,李勃,武中臣.月球Reiner Gamma漩涡地区物质的光度行为及分类[J].岩石学报,2016,32(1):113-118.
作者姓名:张江  凌宗成  李勃  武中臣
作者单位:山东大学物理学院, 济南 250100;山东大学空间科学研究院, 山东省光学天文与日地空间环境重点实验室, 威海 264209,山东大学空间科学研究院, 山东省光学天文与日地空间环境重点实验室, 威海 264209,山东大学空间科学研究院, 山东省光学天文与日地空间环境重点实验室, 威海 264209,山东大学空间科学研究院, 山东省光学天文与日地空间环境重点实验室, 威海 264209
基金项目:本文受国家自然科学基金项目(41490634、41473065、U1231103、41373068)、科技部基础性工作专项(2015FY210500)、山东省自然科学基金(JQ201511、ZR2015DQ001)、山东大学(威海)青年学者未来计划(2015WHWLJH14)和中国科学院月球与深空探测重点实验室开放基金项目联合资助.
摘    要:月球漩涡是月球表面具有磁场异常和光度异常的独特地质特征,其成因目前仍存在争议。本文以典型的Reiner Gamma漩涡为例,利用LROC WAC观测数据,建立该地区主要地质单元(明亮斑纹、暗带和周边月海)的光度模型。研究表明,除光谱特性外,漩涡地区各地质单元的光度行为可作为物质分类的重要依据。Reiner Gamma漩涡地区的明亮斑纹与暗带和周边月海的光度特性完全不同,其异常光度行为(相函数参数)可能与漩涡的强水平方向磁场存在关联。暗带与周边月海的亮度和光谱特性相近,但具有明显不同的相函数参数,其光度行为介于周边月海和明亮斑纹之间,表明它们的月壤物理特性存在差异。

关 键 词:月球漩涡  Reiner  Gamma  光度行为  光谱特性  物质分类
收稿时间:7/1/2015 12:00:00 AM
修稿时间:2015/10/10 0:00:00

Photometric behaviors and classification of Reiner Gamma swirl materials
ZHANG Jiang,LING ZongCheng,LI Bo and WU ZhongChen.Photometric behaviors and classification of Reiner Gamma swirl materials[J].Acta Petrologica Sinica,2016,32(1):113-118.
Authors:ZHANG Jiang  LING ZongCheng  LI Bo and WU ZhongChen
Institution:School of Physics, Shandong University, Jinan 250100, China;Shandong Provincial Key Laboratory of Optical Astronomy & Solar-Terrestrial Environment, Institute of Space Sciences, Shandong University, Weihai 264209, China,Shandong Provincial Key Laboratory of Optical Astronomy & Solar-Terrestrial Environment, Institute of Space Sciences, Shandong University, Weihai 264209, China,Shandong Provincial Key Laboratory of Optical Astronomy & Solar-Terrestrial Environment, Institute of Space Sciences, Shandong University, Weihai 264209, China and Shandong Provincial Key Laboratory of Optical Astronomy & Solar-Terrestrial Environment, Institute of Space Sciences, Shandong University, Weihai 264209, China
Abstract:Lunar swirls are unique geologic features with magnetic and photometric anomalies, whose origins are still under debate. In this work, we used LROC WAC data covering the Reiner Gamma swirl region to establish photometric models for its bright ribbons, dark lanes, and surrounding maria, respectively. Our study suggests that swirl materials could be classified in terms of their photometric behaviors in addition to their spectral characteristics. The bright ribbons on the Reiner Gamma swirl show distinctive photometric properties from the dark lanes and the surrounding maria, and their unusual photometric behavior (phase function parameters) might be correlated with strong horizontal component of the magnetic field anomalies. The spectral properties of the dark lanes are similar to those of the surrounding maria, while their phase function parameters are quite different. The phase curves for the dark lanes lie between those for the bright ribbons and the surrounding maria, indicating that the dark lane soils have different physical properties from those in bright ribbons and maria.
Keywords:Lunar swirls  Reiner Gamma  Photometric behaviors  Spectral characteristics  Material classification
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