globalchange  > 气候减缓与适应
DOI: 10.1002/2014GL060178
论文题名:
High-resolution local gravity model of the south pole of the Moon from GRAIL extended mission data
作者: Goossens S.; Sabaka T.J.; Nicholas J.B.; Lemoine F.G.; Rowlands D.D.; Mazarico E.; Neumann G.A.; Smith D.E.; Zuber M.T.
刊名: Geophysical Research Letters
ISSN: 0094-10072
EISSN: 1944-9803
出版年: 2014
卷: 41, 期:10
起始页码: 3367
结束页码: 3374
语种: 英语
英文关键词: GRAIL ; local analysis ; lunar gravity ; planetary geodesy
Scopus关键词: Harmonic analysis ; Area of interest ; GRAIL ; Gravity anomalies ; Gravity field model ; High resolution ; Local analysis ; Lunar gravity ; Spherical harmonics ; Poles ; geodesy ; GRAIL ; gravity anomaly ; gravity field ; Moon ; numerical model ; resolution ; satellite mission ; spherical harmonics ; topographic mapping
英文摘要: We estimated a high-resolution local gravity field model over the south pole of the Moon using data from the Gravity Recovery and Interior Laboratory's extended mission. Our solution consists of adjustments with respect to a global model expressed in spherical harmonics. The adjustments are expressed as gridded gravity anomalies with a resolution of 1/6° by 1/6° (equivalent to that of a degree and order 1080 model in spherical harmonics), covering a cap over the south pole with a radius of 40°. The gravity anomalies have been estimated from a short-arc analysis using only Ka-band range-rate (KBRR) data over the area of interest. We apply a neighbor-smoothing constraint to our solution. Our local model removes striping present in the global model; it reduces the misfit to the KBRR data and improves correlations with topography to higher degrees than current global models.© 2014. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84901382917&doi=10.1002%2f2014GL060178&partnerID=40&md5=6b4fa40356d487276387d558f81e9680
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/7336
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作者单位: CRESST, University of Maryland Baltimore County, Baltimore, MD, United States

Recommended Citation:
Goossens S.,Sabaka T.J.,Nicholas J.B.,et al. High-resolution local gravity model of the south pole of the Moon from GRAIL extended mission data[J]. Geophysical Research Letters,2014-01-01,41(10).
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