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Assessing CYGNSS's Potential to Observe Extratropical Fronts and Cyclones

机译:评估cygnss的潜力观察到劣质前线和旋风

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The Cyclone Global Navigation Satellite System (CYGNSS) mission, launched in December 2016, is designed to estimate surface wind speeds over the global tropical oceans. Nevertheless, its orbit allows the constellation to view regions up to 40 degrees latitude. As such, it is possible that CYGNSS will provide observations of a number of low-latitude extratropical cyclones and their associated fronts. In this study, one year of simulated CYGNSS specular point locations is combined with a database of objectively identified fronts and cyclones to assess the potential efficacy of CYGNSS for observing extratropical systems. It is found that, with the exception of regions poleward of warm fronts, the subset of locations in the simulated CYGNSS dataset nearly exactly matches the distribution of wind speeds and surface fluxes across frontal zones and near cyclone centers in the reanalysis database.
机译:2016年12月推出的Cyclone全球导航卫星系统(Cygnss)使命旨在估算全球热带海洋的表面风速。 然而,其轨道允许星座观看高达40度纬度的地区。 因此,Cygnss可能会提供许多低纬度潜水旋风和其相关前沿的观察结果。 在这项研究中,一年的模拟Cygnss镜面位置与客观鉴定的前端和旋风的数据库相结合,以评估CyGNS用于观察额外系统的潜在疗效。 结果发现,除了温暖的前端的区域的区域之外,模拟Cygnss数据集中的位置子集几乎与前部区域的风速和表面通量的分布完全匹配,并在Reanalysis数据库中的旋风中心附近靠近旋风中心。

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