(An) approach for quality control and quality assurance of high-frequency radar-derived surface radial velocity maps off the Korean coast = 국내 고주파 레이더 표층 방사 유속 자료의 품질관리 기법 연구

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We present a statistical analysis to estimate uncertainty of high-frequency radar (HFR)-derived surface radial velocities based on concurrently and closely sampled radial velocity pairs from individual HFRs instead of comparing the currents sampled from individual HFRs instead of comparing the currents sampled from independent observational platforms (e.g., drifters or ADCPs), which allow us to report the observational uncertainty of the regional HFR system. We compute temporal correlations of the radial velocity pairs and standard deviations of their sum, which are theoretically given as a function of uncertainty, bearing angle of radial velocities, and anisotropic variance ratio and correlation of vector components. This approach is applied to the radial velocities sampled from (1) simple spectral model and (2) HFR radial velocity maps for a period of two years (2015 to 2016) in two Korean coastal re- gions (Yeosu and Busan) to evaluate the proposed method and to estimate the uncertainty. We identify outliers which are not following the expected correlations and standard deviations and evaluate the uncertainty in the two coastal regions.
Advisors
Kim, Sung Yongresearcher김성용researcher
Description
한국과학기술원 :기계공학과,
Publisher
한국과학기술원
Issue Date
2018
Identifier
325007
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 기계공학과, 2018.2,[iii, 30 p. :]

Keywords

High-frequency radar▼asurface radial velocity▼aquality assurance / quality control▼auncertainty▼aanisotropic current field; 고주파 레이더▼a표층 방사 유속 자료▼a품질 검증▼a불확실성▼a비등방성 유속장

URI
http://hdl.handle.net/10203/265824
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=733735&flag=dissertation
Appears in Collection
ME-Theses_Master(석사논문)
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