Retrieval of ocean surface wind speed using reflected GNSS signals measured from aircraft

WANG Ying-qiang; YAN Wei; FU Yang; LI Ping

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Article Navigation > Haiyang Xuebao > 2008 > 30(6): 51-59

WANG Ying-qiang, YAN Wei, FU Yang, LI Ping. Retrieval of ocean surface wind speed using reflected GNSS signals measured from aircraft[J]. Haiyang Xuebao, 2008, 30(6): 51-59.

Citation:

WANG Ying-qiang, YAN Wei, FU Yang, LI Ping. Retrieval of ocean surface wind speed using reflected GNSS signals measured from aircraft[J]. Haiyang Xuebao, 2008, 30(6): 51-59.

WANG Ying-qiang, YAN Wei, FU Yang, LI Ping. Retrieval of ocean surface wind speed using reflected GNSS signals measured from aircraft[J]. Haiyang Xuebao, 2008, 30(6): 51-59.

Citation:

WANG Ying-qiang, YAN Wei, FU Yang, LI Ping. Retrieval of ocean surface wind speed using reflected GNSS signals measured from aircraft[J]. Haiyang Xuebao, 2008, 30(6): 51-59.

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Retrieval of ocean surface wind speed using reflected GNSS signals measured from aircraft

1.
Institute of Meteorology, Chinese People's Liberation Army University of Science & Technology, Nanjing 211101, China
2.
Beijing Institute of Applied Meteorology, Beijing 100029, China

Received Date: 2008-06-25
Rev Recd Date: 2008-10-27

Abstract

Abstract

As a new ocean surface wind speed measurement tool using active microwave remote sensing, there are several advantages of using global navigation satellite system reflection (GNSS) R) such as high temporal and spatial resolution, low cost, rich of GNSS resources, high flexibility in comparison with other remote sensing tools, which can of fset the lack of regional wind speed measurement means.The characteristics of four parts in Z-V theoretical model were studied respectively and the numerical simulations of waveforms were performed at aircraft altitude.Furthermore, a bidimensional interpolation wind speed retrieval method was proposed on the basis of the fact that wind speed has effect on waveform peak and tail.Combining the aircraft data with the specific development condition of sea, the ocean surface wind was retrieved.The result shows that the mean wind speed retrieved from this method is agreed with that recorded from a nearby station with a bias of 1.4 m/s, and almost in accord with that recorded from a nearby buoy.
- GNSS reflection,
- ocean surface wind speed,
- glistening zone,
- power waveform,
- bidimensional interpolation

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References(14)

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