| Analysis on temporal and spatial features of spring precipitation anomalies in Shanxi Province |
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| DOI：10.7606/j.issn.1000-7601.2006.05.44 |
| Key Words: EOF REOF wavelet analysis spring precipitation spatial and temporal feature Shanxi Province |
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| Abstract: |
| Using the methods of empirical orthogonal function(EOF),rotated empirical orthogonal function(REOF) and wavelet analysis,this paper zones the standardized spring precipitation field of Shanxi Province during 1960 to 2004,and analyzes the temporal and spatial features of spring precipitation.The results show that the main spatial anomaly feature is coincidently wet or dry type,and the whole province can be divided into 3 climate regions in accordance with spring precipitation.There are oscillations of spring precipitation with over 10a long-term and 310a short-term periods in all climate regions,but their obvious periods and annual changes are much different from each other. |
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