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首页> 外文期刊>IEEE Transactions on Geoscience and Remote Sensing >The microwave radiometer aboard ERS-1. II. Validation of the geophysical products
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The microwave radiometer aboard ERS-1. II. Validation of the geophysical products

机译:ERS-1上的微波辐射计。二。物探产品的验证

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For pt.I see ibid., vol.31, no.6, p.1186-98 (1993). The ERS-1 microwave radiometer was designed to correct the satellite altimeter data for the excess path delay due to tropospheric humidity. The brightness temperature calibration was tested using two radiative transfer models, applied to the same coincident meteorological profiles over ocean. Differences were analyzed by similarly comparing calculated brightness temperatures with SSM/I data, for the same meteorological data set, extracted from ECMWF (European Center for Medium range Weather Forecasting) analyses. The calibration of the two channels of the ERS-1 microwave radiometer required correction of a few Kelvin. The final water vapor and altimeter path delay validation was performed by comparing routine radiosonde measurements with the retrieved water vapor and altimeter path corrections over a one-year period.
机译:关于第一部分,见同上,第31卷,第6期,第1186-98页(1993)。 ERS-1微波辐射计设计用于校正由于高度对流层湿度造成的额外路径延迟的卫星高度计数据。使用两个辐射传输模型测试了亮度温度校准,并将其应用于海洋上相同的一致气象剖面。对于相同的气象数据集,通过从ECMWF(欧洲中距离天气预报中心)分析中提取的SSM / I数据类似地比较了计算的亮度温度,可以分析差异。 ERS-1微波辐射计的两个通道的校准需要校正几个开尔文。通过将常规无线电探空仪测量值与一年中所获取的水蒸气和高度计路径校正值进行比较,可以进行最终的水蒸气和高度计路径延迟验证。

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