首页> 外文会议>CryoSat third user workshop >CHARACTERISTICS OF CRYOSAT-2 DATA OVER MULTIYEAR AND SEASONAL SEA ICE - INITIAL RESULTS
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CHARACTERISTICS OF CRYOSAT-2 DATA OVER MULTIYEAR AND SEASONAL SEA ICE - INITIAL RESULTS

机译:多年和季节性海冰CRYOSAT-2数据的特征-初步结果

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摘要

We compared CryoSat-2 L1B and Level 2 data withrncoincident airborne laser scanner and airbornernelectromagnetic induction surveys conducted in thernBaltic Sea in March 2011 and in the Lincoln Sea inrnApril 2012. Snagging was observed in all examinedrntracks and was especially pronounced in the Baltic Sea.rnThe provided L2 surface heights are very noisy due tornpoor retracker performance. Ice thickness data producedrnby retracking the CryoSat-2 L1B data showed spatialrncorrelation with AEM measurements. CryoSat-2 andrnNASA Operation Ice Bridge data exhibited similarrnlatitudinal freeboard gradients. More work to improvernwaveform retracking, and calibrating / validating thernCryoSat-2 data is required. Comparisons of differentrnretrackers and freeboard products are required.
机译:我们将CryoSat-2 L1B和Level 2数据与2011年3月在波罗的海和2012年4月在林肯海进行的偶然机载激光扫描仪和机载电磁感应调查进行了比较。由于追踪器性能不佳,L2表面高度非常嘈杂。通过追踪CryoSat-2 L1B数据产生的冰厚数据显示出与AEM测量值的空间相关性。 CryoSat-2和美国国家航空航天局(NASA)的“冰桥”数据表现出相似的横向干舷梯度。需要做更多的工作来改善波形跟踪,以及校准/验证CryoSat-2数据。需要对不同的追踪器和干舷产品进行比较。

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  • 来源
    《CryoSat third user workshop》|2013年|1-5|共5页
  • 会议地点 Dresden(DE)
  • 作者单位

    University of Alberta, 1-26 Earth Sciences Bldg., University of Alberta, Edmonton, AB, T6G 2E3, CANADA Email:beckers@ualberta.ca;

    University of Alberta, 1-26 Earth Sciences Bldg., University of Alberta, Edmonton, AB, T6G 2E3, CANADA Email:jcasey@ualberta.ca;

    Alfred Wegener Institute for Polar and Marine Research, Bussestr. 24, 27570 Bremerhaven, Bremen, Germany, Email: stefan.hendricks@awi.de;

    Alfred Wegener Institute for Polar and Marine Research, Bussestr. 24, 27570 Bremerhaven, Bremen, Germany;

    Alfred Wegener Institute for Polar and Marine Research, Bussestr. 24, 27570 Bremerhaven, Bremen, Germany, Email:veit.helm@awi.de;

    University of Alberta, 1-26 Earth Sciences Bldg., University of Alberta, Edmonton, AB, T6G 2E3, CANADA York University, 105 Petrie Science Building, York University, 4700 Keele Street, Toronto, ON, M3J 1P3, CANADA Email:haasc@yorku.ca;

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  • 原文格式 PDF
  • 正文语种 eng
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