Fig. 1. The sensor network for USN.
Fig. 3. An expected cause of error.
Fig. 2. The spatial distribution of equipments.
Fig. 4. The Flowchart of QC algorithm.
Fig. 5. The distribution of temperature and relative humidity.
Fig. 6. Distribution of deviations by variables.
Fig. 7. Before applying QC algorithm.
Fig. 8. After applying QC algorithm.
Table 1. Location of USN & ASOS
Table 2. Errors by stations for flat line check
Table 3. The result of temporal outliers check given threshold
Table 4. The result of temporal outliers check given threshold
Table 5. The result of time series consistency check given threshold
Table 6. The result of spatial outlier check given threshold
Table 7. The result for quality control of USN data
참고문헌
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