探地雷达应用于植物粗根探测的研究进展

发布时间：2018-03-31 15:19

本文选题：探地雷达　切入点：粗根　出处：《中国科技论文》2014年04期

【摘要】：应用探地雷达开展植物粗根探测始于1999年,经过15年的验证与发展,其粗根探测的有效性和精度已在不同探测物种和不同实验条件下得以证实。作为一种非侵入性的地球物理探测手段,探地雷达探测粗根的方法不但克服了传统根系调查耗时费力且破坏性较大的限制,并使得野外大面积重复性粗根观测成为可能。近几年,探地雷达粗根探测在粗根雷达信号正演模拟方法的建立,影响粗根探测精度的敏感因素分析,粗根生物量反演方法的改进和根系三维结构的重建等方面取得了进展,完善了探地雷达探测粗根的方法和流程,拓展了非侵入性根系探测的研究范围。随着探地雷达系统、数据处理软件和雷达数据采集方式的进一步改进,探地雷达在根系探测领域必将展示出更大的潜力。
[Abstract]:The application of ground penetrating radar (GPR) to plant root detection began in 1999 and has been verified and developed for 15 years. The effectiveness and accuracy of the coarse root detection have been proved in different species and different experimental conditions. As a non-invasive geophysical detection method, The method of ground penetrating radar not only overcomes the limitation of traditional root survey, which is time-consuming and destructive, but also makes it possible to observe large area of coarse root in the field. The establishment of forward modeling method of coarse root radar signal, the analysis of sensitive factors affecting the precision of coarse root detection, the improvement of the retrieval method of coarse root biomass and the reconstruction of root 3D structure have made progress in GPR. The method and flow of detecting coarse roots by GPR are perfected, and the research scope of non-invasive root detection is expanded. With the further improvement of GPR system, data processing software and radar data acquisition mode, Ground penetrating radar (GPR) is bound to show greater potential in the field of root detection.
【作者单位】：北京师范大学全球变化与地球系统科学研究院;北京师范大学地表过程与资源生态国家重点实验室;北京师范大学减灾与应急管理研究院;
【基金】：高等学校博士学科点专项科研基金资助项目(20100003110002) 北京师范大学自主基金资助项目(2013NT39)
【分类号】：TN959

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