Zhang Banglin, Chou Jifan. 1992: A STUDY ON THE STABILITY OF THE EOF EXPANDED PRECISION. Acta Meteorologica Sinica, (3): 342-345. DOI: 10.11676/qxxb1992.040
Citation: Zhang Banglin, Chou Jifan. 1992: A STUDY ON THE STABILITY OF THE EOF EXPANDED PRECISION. Acta Meteorologica Sinica, (3): 342-345. DOI: 10.11676/qxxb1992.040

A STUDY ON THE STABILITY OF THE EOF EXPANDED PRECISION

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  • Received Date: June 19, 1990
  • Revised Date: October 05, 1990
  • Published Date: February 19, 2013
  • In this paper a new method is given to judge the stability of the EOF exparaded precision. The results show that:l,The expanded precision of summer(winter) anomaly geopotential height by using the EOFs of winter (summer) anomaly geopotential height is approximately equal to that of winter (summer) anomaly geopotential height by using the EOFs in winter (summer);2,The differences among expanded precision of the anomaly geopotential height in the year and those in other years based on EOFs of the anomaly geopotential height in the correspondent year are small. It means that the expanded precision of the observed data based on the EOFs is stable in the range of the normal variability of external forcing. So it is feasible that a simplified model with the small number of the degrees of freedom can be gotten when the EOFs of the observed data are used as basis.
  • 章墓嘉、孙照渤、陈松军,对自然正交函数稳定性条件的讨论,气象学报,39,1,82-89,1981
    张邦林、丑纪范,经验正交函数在气候数值模拟中的应用,中国科学9,942-498,1991
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