THE NSSTC ARMOR C-BAND DUAL-POLARIMETRIC DOPPLER RADAR : A TOOL FOR INTEGRATED REMOTE SENSING
THE NSSTC ARMOR C-BAND DUAL-POLARIMETRIC DOPPLER RADAR : A TOOL FOR INTEGRATED REMOTE SENSING
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发表时间：
2005
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通讯作者：
W. Petersen;K. Knupp;J. Walters;R. Blakeslee;W. Deierling;M. Gauthier;M. Newchurch;R. McNider
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文献类型：
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作者：
W. Petersen;K. Knupp;J. Walters;R. Blakeslee;W. Deierling;M. Gauthier;M. Newchurch;R. McNider
阿拉巴马大学亨茨维尔分校（UAH）和国家空间科学技术中心（NSSTC）的c波段多普勒天气雷达最近升级为双偏振能力。升级后的雷达被称为ARMOR（用于气象和业务研究的先进雷达），并在UAH/NSSTC的STORMnet（强雷暴观测和研究气象网）中运行。ARMOR多参数雷达数据是全天候收集的，可以实时处理，提供大气气流和降水场的综合视图。为了气象目的，极化诊断的云动态和微物理信息很容易结合起来，提供区域云发展和风暴强度的详细显示。这类信息对云物理研究、天气预警决策支持和大气模式的物理验证至关重要。对于大气输送和扩散模式，近实时低空多普勒风反演网格1-2 km和时间分辨率0 [5-10 min.]可以吸收到空气污染输送和扩散模式，以改善污染物浓度的预测；从环境保护到国土安全等领域的潜在应用是显而易见的。同样，这些风也可以用相对高的分辨率来研究对流起始和边界层环流的相互作用。从水文的角度来看，双极化雷达导出的降雨估计提供了以相对较高的空间和时间分辨率测量大面积降水的最准确手段之一。ARMOR雷达（以及类似的雷达）可以为模拟大气和地表动态活动提供间隙填充信息。
The University of Alabama-Huntsville (UAH) and National Space Science and Technology Center (NSSTC) C-band Doppler weather radar was recently upgraded to dual-polarimetric capabilities. The upgraded radar is called ARMOR (Advanced Radar for Meteorological and Operational Research) and operates within the UAH/NSSTC STORMnet (Severe Thunderstorm Observations and Research Meteorological network). ARMOR multi-parameter radar data are collected on a 24/7 basis and can be processed in real-time to provide an integrated view of atmospheric wind flow and precipitation fields. For meteorological purposes, polarimetrically-diagnosed cloud dynamic and microphysical information is easily combined to provide detailed displays of regional cloud development and storm intensity. This type of information is critical to cloud physics research, weather warning decision support, and the physical validation of atmospheric models. For atmospheric transport and diffusion modeling, near real-time low-level multi-Doppler wind retrievals gridded at 1-2 km and temporal resolutions O[5-10 min.] can be assimilated into air pollution transport and dispersion models to improve forecasts of pollutant concentrations; the potential application to problems in areas ranging from environmental protection to homeland security being obvious. Similarly, these winds can be used to study the interaction of convective initiation and boundary layer circulations at relatively high resolution. From a hydrological perspective, dual-polarimetric radarderived rainfall estimates provide one of the most accurate means to measure precipitation over large areas at relatively high spatial and temporal resolution. The ARMOR radar (and radars like it) can provide gap filling information to simulation activities the dynamic state of the atmosphere and land-surface.