全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

GM测高数据反演中国近海及邻域精细重力场

DOI: 10.3969/j.issn.0253-4193.2014.11.010, PP. 85-89

Keywords: 卫星测高,波形重跟踪,重采样,垂线偏差,重力异常

Full-Text   Cite this paper   Add to My Lib

Abstract:

综合对比4种波形重跟踪算法,选择改进阈值法处理Jason-1GM数据,联合波形重跟踪后的Geosat和ERS-1GM数据,沿轨2Hz重采样以提高数据空间分辨率。通过数据质量控制剔除粗差数据,考虑海表面地形的影响,基于移去-恢复法和维宁-曼齐兹公式反演了中国近海及邻近海域(0°~45°N,100°~140°E)1'×1'的精细重力场。船测数据检核表明反演结果在开阔海域精度约4mGal,近岸浅水区约10mGal,均优于DTU10和V21.1模型。

References

[1]  Sandwell D T. Along-Track Deflection of the Vertical from SEASAT:GEBCO Overlays[R]. Technical Memorandum,NOAA,1984.
[2]  McAdoo D,Laxon S. Antarctic Tectonics: Constraints From an ERS-1 Satellite Marine Gravity Field[J]. Science,1997,276:556-561.
[3]  Hwang C,Guo J Y,Deng X,et al. Coastal gravity anomalies from retracked Geosat GM altimetry: improvement,limitation and the role of airborne gravity data[J]. Journal of Geodesy,2006,80(4):204-216.
[4]  Sandwell D T,Smith W H F. Global marine gravity from retracked Geosat and ERS-1 altimetry: Ridge segmentation versus spreading rate[J]. Journal of Geophysical Research,2009,114:B1.
[5]  Hwang C. Inverse Vening Meinesz formula and deflection-geoid formula: applications to the predictions of gravity and geoid over the South China Sea[J]. Journal of Geodesy,1998,72(5):304-312.
[6]  邢乐林,李建成,刘晓玲. ENVISAT测高卫星沿轨大地水准面梯度的海洋垂线偏差法研究[J]. 测绘科学,2006,31(5):48-53.
[7]  Rummel R,Rapp R H. Undulation and anomaly estimation using Geos3 altimeter data without precise satellite orbits[J]. Journal of Geodesy,1977,51(1):73-88.
[8]  Haxby W F,Karner G D,Labrecque J L,et al. Digital images of combined oceanic and continental data sets and their use in tectonic studies[J]. EOS,Transactions,American Geophysical Union,1983,64:995-1004.
[9]  Sandwell D T. Antarctic Marine Gravity Field from High Density Satellite Altimetry[J]. Geophysical Journal International,1992,109(2):437-448.
[10]  Olgiati A,Balmino G,Sarrailh M,et al. Gravity anomalies from satellite altimetry: comparison between computation via geoid heights and via deflections of the vertical[J]. Bulletin Géodésique,1995,69(4):252-260.
[11]  李建成,宁津生,陈俊勇,等. 联合Topex/Poseidon,ERS-2和Geosat卫星测高资料确定中国近海重力异常[J]. 测绘学报,2001,30(3):197-202.
[12]  Sarrailh M,Balmino G,Doublet D. The Arctic and Antarctic Oceans Gravity Field from ERS1 Altimetric Data[J]. International Association of Geodesy Symposia,1997,117:437-444.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133