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首页> 外文期刊>IEEE Transactions on Geoscience and Remote Sensing >Point-Wise Wind Retrieval and Ambiguity Removal Improvements for the QuikSCAT Climatological Data Set
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Point-Wise Wind Retrieval and Ambiguity Removal Improvements for the QuikSCAT Climatological Data Set

机译:QuikSCAT气候数据集的逐点取风和歧义消除改进

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摘要

In this paper, we introduce a reprocessing of the entire SeaWinds on QuikSCAT mission. The goal of the reprocessing is to create a climate data record suitable for climate studies and to incorporate recent algorithm improvements. Three different levels of QuikSCAT data are produced at the Jet Propulsion Laboratory: L1B, geolocated, calibrated, backscatter measurements in chronological order by acquisition time; L2A, backscatter measurements binned into a geographical grid; and L2B, gridded ocean surface wind vectors. This reprocessing only changes the L2A and L2B data; we have not changed the L1B processing at all. We introduce new algorithms used in the L1B to L2A processing and in the L2A to L2B processing. After introducing our new algorithms, we show the validation studies performed to date, which include comparisons to numerical weather products, comparisons to buoy data sets, comparisons to other remote sensing instruments, and spectral considerations.
机译:在本文中,我们介绍了QuikSCAT任务中对整个SeaWinds的重新处理。后处理的目的是创建适合于气候研究的气候数据记录,并结合最近的算法改进。喷气推进实验室产生了三种不同级别的QuikSCAT数据:L1B,按采集时间按时间顺序进行了地理定位,校准,后向散射测量; L2A,后向散射测量值合并到一个地理网格中;和L2B(网格海洋表面风矢量)。此重新处理仅更改L2A和L2B数据;我们根本没有更改L1B处理。我们介绍了L1B到L2A处理以及L2A到L2B处理中使用的新算法。在介绍了我们的新算法之后,我们将展示迄今为止进行的验证研究,其中包括与数值天气产品的比较,与浮标数据集的比较,与其他遥感仪器的比较以及光谱考量。

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