NDLI: Wave effects on the retrieved wind field from the advanced scatterometer (ASCAT)

Content Provider	Springer Nature Link
Author	Ren, Lin Yang, Jingsong Zheng, Gang Wang, Juan Chen, Peng
Copyright Year	2015
Abstract	To improve retrieval accuracy, this paper studies wave effects on retrieved wind field from a scatterometer. First, the advanced scatterometer (ASCAT) data and buoy data of the National Data Buoy Center (NDBC) are collocated. Buoy wind speed is converted into neutral wind at 10 m height. Then, ASCAT data are compared with the buoy data for the wind speed and direction. Subsequently, the errors between the ASCAT and the buoy wind as a function of each wave parameter are used to analyze the wave effects. Wave parameters include dominant wave period (dpd), significant wave height (swh), average wave period (apd) and the angle between the dominant wave direction (dwd) and the wind direction. Collocated data are divided into sub-datasets according to the different intervals of each wave parameter. A root mean square error (RMSE) for the wind speed and a mean absolute error (MAE) for the wind direction are calculated from the sub-datasets, which are considered as the function of wave parameters. Finally, optimal wave conditions on wind retrieved from the ASCAT are determined based on the error analyses. The results show the ocean wave parameters have correlative relationships with the RMSE of the retrieved wind speed and the MAE of the retrieved wind direction. The optimal wave conditions are presented in terms of dpd, swh, apd and angle.
Starting Page	79
Ending Page	84
Page Count	6
File Format	PDF
ISSN	0253505X
Journal	Acta Oceanologica Sinica
Volume Number	34
Issue Number	1
e-ISSN	18691099
Language	English
Publisher	The Chinese Society of Oceanography
Publisher Date	2015-01-13
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	advanced scatterometer ASCAT wind field wave effects wave parameters Oceanography Climatology Ecology Engineering Fluid Dynamics Marine & Freshwater Sciences Environmental Chemistry
Content Type	Text
Resource Type	Article
Subject	Aquatic Science Oceanography

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