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首页> 外文期刊>IEEE Geoscience and Remote Sensing Letters >Enhancing Quantitative Precipitation Estimation Over the Continental United States Using a Ground-Space Multi-Sensor Integration Approach
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Enhancing Quantitative Precipitation Estimation Over the Continental United States Using a Ground-Space Multi-Sensor Integration Approach

机译:使用地面空间多传感器积分方法增强美国大陆上的定量降水估计

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摘要

Quantitative precipitation estimation (QPE) based on ground weather radar could be considerably affected by the broadening, ascent, and blockage of the radar beam. These problems are particularly prevalent in mountainous regions. The current study proposes a multi-sensor approach to improve the ground-radar QPE in complex terrain. The proposed method, namely the Vertical Profile of Reflectivity (VPR) Identification and Enhancement (VPR-IE), integrates NOAA's National Mosaic QPE (NMQ) system and NASA's Tropical Rainfall Measuring Mission (TRMM) precipitation radar (PR) measurements. This study demonstrates promising performance of VPR-IE in the Mountainous West Region of the U.S. The potential error sources of this approach and its real-time implementation over the Continental United States are addressed as well.
机译:基于地面天气雷达的定量降水估计(QPE)可能会受到雷达波束的展宽,上升和阻塞的很大影响。这些问题在山区尤为普遍。当前的研究提出了一种多传感器方法来改善复杂地形中的地雷达QPE。所提出的方法,即反射率垂直剖面(VPR)识别和增强(VPR-IE),结合了NOAA的国家马赛克QPE(NMQ)系统和NASA的热带降雨测量任务(TRMM)降水雷达(PR)测量。这项研究证明了VPR-IE在美国西部山区的良好前景。该方法的潜在错误源及其在美国大陆上的实时实施也得到了解决。

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