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Evaluation of the twentieth century reanalysis dataset in describing East Asian winter monsoon variability

Cited 3 time in scopus
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Title
Evaluation of the twentieth century reanalysis dataset in describing East Asian winter monsoon variability
Other Titles
동아시아 겨울 몬순 변동성을 설명하는데 20세기 재분석 자료의 평가
Authors
Zhang Ziyin
Kim, Seong-Joong
Gong Daoyi
Guo Wenli
Subject
Meteorology & Atmospheric Sciences
Keywords
Siberian High; east Asian winter monsoon; eastern China; twentieth century realysis dataset
Issue Date
2013
Publisher
Springer
Citation
Zhang Ziyin, et al. 2013. "Evaluation of the twentieth century reanalysis dataset in describing East Asian winter monsoon variability". Advances in Atmospheric Sciences, 30(6): 1645-1652.
Abstract
The Twentieth Century Reanalysis (20thCR) dataset released in 2010 covers the period 1871-2010 and is one of the longest reanalysis datasets available worldwide. Using ERA-40, ERA-Interim and NCEP/NCAR reanalysis data, as well as HadSLP2 data and meteorological temperature records over eastern China, the performances of 20thCR in reproducing the spatial patterns and temporal variability of the East Asian winter monsoon (EAWM) are examined. Results indicate that 20thCR data: (1) can accurately reproduce the most typical con? guration patterns of all sub-factors involved in the EAWM system, albeit with some differences in the main circulation fields over East Asia in comparison to ERA-40 reanalysis data (2) is reliable and stable in describing the temporal variability of EAWM since the 1930s and (3) can describe the high-frequency variability of EAWM better than the low-frequency fluctuations, especially in the early period. In conclusion, caution should be taken when using 20thCR data to study interdecadal variabilities or long-term trends of the EAWM, especially prior to the 1930s.ta and meteorological temperature records over eastern China, the performances of 20thCR in reproducing the spatial patterns and temporal variability of the East Asian winter monsoon (EAWM) are examined. Results indicate that 20thCR data: (1) can accurately reproduce the most typical con? guration patterns of all sub-factors involved in the EAWM system, albeit with some differences in the main circulation fields over East Asia in comparison to ERA-40 reanalysis data (2) is reliable and stable in describing the temporal variability of EAWM since the 1930s and (3) can describe the high-frequency variability of EAWM better than the low-frequency fluctuations, especially in the early period. In conclusion, caution should be taken when using 20thCR data to study interdecadal variabilities or long-term trends of the EAWM, especially prior to the 1930s.
URI
http://repository.kopri.re.kr/handle/201206/6152
DOI
http://dx.doi.org/10.1007/s00376-012-2226-1
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