NDLI: Improvements in ocean surface radar applications through real-time data quality-control

Content Provider	IEEE Xplore Digital Library
Author	Gomez, R. Helzel, T. Merz, C.R. Yonggang Liu Weisberg, R.H. Thomas, N.
Copyright Year	2015
Description	Author affiliation: Univ. of South Florida, St. Petersburg, FL, USA (Merz, C.R.; Yonggang Liu; Weisberg, R.H.) \|\| Actimar S.A.S. Brest, Brest, France (Thomas, N.) \|\| Helzel Messtech. GmbH, Kaltenkirchen, Germany (Gomez, R.; Helzel, T.)
Abstract	Ocean surface current data provided by shore-based high frequency (HF) radar show sporadically non-realistic current vectors in some areas, particularly at the outer edges of the radar range. However, it is important to always provide data which is reliable to the end-users, as applications based upon the usage of measured data may be affected if the quality of the data is not adequate. Furthermore, in the case of time sensitive applications, quality control (QC) needs to be performed immediately on each data set when available. The paper briefly reviews the QC procedure which evaluates the current velocity data of the WERA array-type HF radar in near real-time and assigns a quality value on every single grid-cell measurement. Results on evaluating such method on a pair of WERAs of the University of South Florida are summarized. It is also demonstrated how the quality values obtained really reflect the quality of the measurements in comparison to an in-situ instrument (ADCP). A discussion on how different applications of HF radar - such as automatic warnings, drift estimation, forecast and prediction products, visualization features - may benefit from real-time quality control is included.
Starting Page	1
Ending Page	9
File Size	1918714
Page Count	9
File Format	PDF
ISSN	21607176
e-ISBN	9781479984190
DOI	10.1109/CWTM.2015.7098112
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-03-02
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Current measurement Oceans Sea measurements Radar Quality control Real-time systems Reliability Velocity measurement Currents Ocean radar Remote sensing
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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