利用NASA/TRMM微波链路估算路径平均雨滴大小分布

IGARSS 2001. Scanning the Present and Resolving the Future. Proceedings. IEEE 2001 International Geoscience and Remote Sensing Symposium (Cat. No.01CH37217) Pub Date : 2001-07-09 DOI:10.1109/IGARSS.2001.976739

R. Rincon, R. Lang, R. Meneghini, S. Bidwell, A. Tokay

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引用次数: 4

摘要

在NASA/TRMM 2.3 km微波链路上的25 GHz和38 GHz微波衰减测量允许应用双波长反演技术来估计路径平均伽马落差大小分布(DSD)的参数。三个Joss-Waldvogel disdrometer提供链路路径下的DSD测量，允许与估计的DSD直接比较。此外，估计和测量的DSDs被用来计算路径平均降雨率和降雨积累。这些结果与来自光学和倾斗雨量计网络的路径平均测量结果进行了比较。

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Estimation of path-average rain drop size distribution using the NASA/TRMM microwave link

Microwave attenuation measurements at 25 GHz, and 38 GHz on the NASA/TRMM 2.3-km microwave link permit the application of a dual-wavelength inversion technique to estimate parameters of a path-average gamma drop size distribution (DSD). Three Joss-Waldvogel disdrometers provide DSD measurements under the link path permitting direct comparison with the estimated DSD. Additionally, the estimated and measured DSDs are used to compute path-average rain rates and rainfall accumulation. These results are compared to path-average measurements from the network of optical and tipping bucket rain gauges.

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IGARSS 2001. Scanning the Present and Resolving the Future. Proceedings. IEEE 2001 International Geoscience and Remote Sensing Symposium (Cat. No.01CH37217)

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