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首页> 外文会议>Earth observation and cryosphere science >AN EXAMINATION OF THE LINKAGES BETWEEN THERMODYNAMIC PROCESSES OPERATING AT THE SURFACE OF LANDFAST, FIRST-YEAR SEA ICE AND SATELLITE SAR SIGNATURES DURING THE ARCTIC MELT SEASON: METHODS, OBSERVATIONS AND PRELIMINARY RESULTS
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AN EXAMINATION OF THE LINKAGES BETWEEN THERMODYNAMIC PROCESSES OPERATING AT THE SURFACE OF LANDFAST, FIRST-YEAR SEA ICE AND SATELLITE SAR SIGNATURES DURING THE ARCTIC MELT SEASON: METHODS, OBSERVATIONS AND PRELIMINARY RESULTS

机译：在北极融化季节进行的陆运，第一年海冰和卫星SAR信号运行过程中的热力学过程之间的联系的检验：方法，观测和初步结果

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摘要

In situ data were collected over landfast first-year searnice (FYI) in Resolute Passage (Canada) between Mayrnand July in 2011 and 2012 as part of the Arctic-ICErnfield program to examine possible linkages betweenrnthermodynamic processes operating on and within thernice, and SAR signatures. We present methods,rnobservations and preliminary results from this fieldrncampaign. Changes in FYI surface morphology andrnmeltwater balance were measured with a terrestrialrnLight Detection and Ranging (LiDAR) instrument;rngeophysical and optical variables were sampled over arngeostatistical transect; and C-band polarimetricrnscattering signatures of characteristic surface types werernacquired coincident to LiDAR measurements of surfacernroughness. Our preliminary results indicate that therngeneral timing and magnitude of melt processesrnoccurring at the ice surface are controlled by the stagesrnoutlined in [1], and that these stages are closely linkedrnto basic satellite SAR backscatter ratios during the meltrnseason.
机译：作为Arctic-ICErnfield计划的一部分，在2011年5月至7月的加拿大Mayrn至7月间通过Resolute Passage（加拿大）的陆上第一年Searnice（FYI）收集了现场数据，以研究在Thernice上和内部运行的热力过程与SAR签名之间的可能联系。 。我们提出了来自该活动的方法，观察和初步结果。利用陆地光探测与测距（LiDAR）仪器测量FYI表面形态和融水平衡的变化；在arngeostatistic样条上采样地物物理和光学变量；获得与特征表面类型的C波段极化散射特征码，以与LiDAR测量表面粗糙度相一致。我们的初步结果表明，在冰面发生的融化过程的一般时机和幅度受[1]中概述的阶段控制，并且这些阶段与融化季节期间基本卫星SAR背向散射比密切相关。

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  • 会议地点 Frascati(IT)
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    Jack Landy; Randall Scharien; David Barber;

  • 作者单位

    Centre for Earth Observation Science, University of Manitoba, Winnipeg, Manitoba, Canada Email:umlandy@cc.umanitoba.ca;

    Centre for Earth Observation Science, University of Manitoba, Winnipeg, Manitoba, Canada;

    Centre for Earth Observation Science, University of Manitoba, Winnipeg, Manitoba, Canada;

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