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首页> 外文会议>CryoSat third user workshop >THE STUDY OF DEM AND ELEVATION CHANGE FROM CRYOSAT-2 DATA AT DOME A, EAST ANTARCTICA
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THE STUDY OF DEM AND ELEVATION CHANGE FROM CRYOSAT-2 DATA AT DOME A, EAST ANTARCTICA

机译：南极穹顶A处CRYOSAT-2数据的DEM和高度变化的研究

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摘要

As the Europe's first ice mission, CryoSat-2 has gainedrnincreasing attention and is pinned on great hopes.rnDome A is the summit of the Antarctic ice cap. Andrnfield GPS measurements were carried out during thernCHINARE expedition for several times. This paperrnestimated the accuracy of elevation and elevationrnchange rate in Dome A using footprints andrnground-track crossovers from SIRAL (SARrnInterferometric Radar Altimeter) onboard CryoSat-2.rnCompared with ICESat and GPS data, the accuracy ofrnDEM derived from CryoSat-2 was proved to be betterrnthan 3 m. And the elevation change of 9 cm/a in DomernA region was also calculated. However, due to lack ofrnreference data, the value of elevation change needsrnfurther verification.
机译：作为欧洲的第一个冰任务，CryoSat-2得到了越来越多的关注，并寄予了厚望。rnDome是南极冰盖的顶峰。在CHINARE探险期间，Andrnfield GPS测量进行了数次。本文利用CryoSat-2上的SIRAL（SARrn干涉雷达高度计）的足迹和地面轨迹交叉点，估算了穹顶A中高程和高程变化率的准确性。与ICESat和GPS数据相比，事实证明，来自CryoSat-2的rnDEM的精度要好于3米并计算出了DomernA地区9 cm / a的海拔变化。但是，由于缺少参考数据，因此需要进一步验证高程变化的值。

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  • 来源
    《CryoSat third user workshop》|2013年|1-4|共4页
  • 会议地点 Dresden(DE)
  • 作者

    ZHOU Chunxia; QIANG Qiang; E Dongchen; WANG Zemin; ZHANG Shengkai;

  • 作者单位

    Chinese Antarctic Center of Surveying and Mapping, Wuhan University, Wuhan, China 430079 Email: zhoucx@whu.edu.cn;

    Chinese Antarctic Center of Surveying and Mapping, Wuhan University, Wuhan, China 430079;

    Chinese Antarctic Center of Surveying and Mapping, Wuhan University, Wuhan, China 430079;

    Chinese Antarctic Center of Surveying and Mapping, Wuhan University, Wuhan, China 430079;

    Chinese Antarctic Center of Surveying and Mapping, Wuhan University, Wuhan, China 430079;

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  • 正文语种 eng
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