ISSN 1000-0526
CN 11-2282/P
CN 11-2282/P
Archive > Volume 34 Issue 9 > 2008,34(9):104-111. DOI:10.7519/j.issn.1000-0526.2008.09.014 Prev Next
Anomalous Characteristics of General Circulation in Drought/Flood Years of Shanxi Province
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Abstract:
By using the 44a (1961-2004) monthly precipitation data at 61 meteorological sta tions in Shanxi Province and NCAR/NCEP reanalysis data, the unusual characterist ics of general circulation in drought and flood years of Shanxi are investigated . The results show that in the year of drought (flood), a positive (negative)n egative (positive)positive (negative) distribution of the 500hPa geopotentia l height anomaly is presented in the mid high latitudes over Europe and Asia i n spring and summer. In the area of mid high latitudes, a zonal circulation ( meridional circulation) is displayed primarily, and evidently weaker (stronger) activity of the cold air is also displayed. At the same time a distinctly nor therly (southerly) wind anomaly is presented in the wind field of 850hPa over ea stern area of China.
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