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MO Jiaqi, LIN Wantao, WANG Hui. Singularly Perturbed Solution of Coupled Model in Atmosphere-ocean for Global Climate[J]. Chinese Geographical Science, 2008, 18(2): 193-196. doi: 10.1007/s11769-008-0193-3
Citation: MO Jiaqi, LIN Wantao, WANG Hui. Singularly Perturbed Solution of Coupled Model in Atmosphere-ocean for Global Climate[J]. Chinese Geographical Science, 2008, 18(2): 193-196. doi: 10.1007/s11769-008-0193-3
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Singularly Perturbed Solution of Coupled Model in Atmosphere-ocean for Global Climate

doi: 10.1007/s11769-008-0193-3
  • 1.

    Department of Mathematics, Anhui Normal University, Wuhu 241000, China;

  • 2.

    Division of Computational Science, E-Institutes of Shanghai Universities at SJTU, Shanghai 200240, China;

  • 3.

    Huzhou Teachers College, Huzhou 313000, China;

  • 4.

    LASG, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China;

  • 5.

    Chinese Academy of Meteorological Sciences, Beijing 100081, China

  • Received Date: 2007-08-29
  • Rev Recd Date: 2008-02-23
  • Publish Date: 2008-06-20
  • A box model of the interhemispheric thermohaline circulation (THC) in atmosphere-ocean for global climate is considered. By using the multiscales method, the asymptotic solution of a simplified weakly nonlinear model is discussed. Firstly, by introducing first scale, the zeroth order approximate solution of the model is obtained. Secondly, by using the multiscales, the first order approximate equation of the model is found. Finally, second order approximate equation is formed to eliminate the secular terms, and a uniformly valid asymptotic expansion of solution is decided. The multiscales solving method is an analytic method which can be used to analyze operation sequentially. And then we can also study the diversified qualitative and quantitative behaviors for corresponding physical quantities. This paper aims at providing a valid method for solving a box model of the nonlinear equation.
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Singularly Perturbed Solution of Coupled Model in Atmosphere-ocean for Global Climate

doi: 10.1007/s11769-008-0193-3
  • 1. Department of Mathematics, Anhui Normal University, Wuhu 241000, China;
  • 2. Division of Computational Science, E-Institutes of Shanghai Universities at SJTU, Shanghai 200240, China;
  • 3. Huzhou Teachers College, Huzhou 313000, China;
  • 4. LASG, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China;
  • 5. Chinese Academy of Meteorological Sciences, Beijing 100081, China
  • Received Date: 2007-08-29
  • Rev Recd Date: 2008-02-23
  • Publish Date: 2008-06-20

Abstract: A box model of the interhemispheric thermohaline circulation (THC) in atmosphere-ocean for global climate is considered. By using the multiscales method, the asymptotic solution of a simplified weakly nonlinear model is discussed. Firstly, by introducing first scale, the zeroth order approximate solution of the model is obtained. Secondly, by using the multiscales, the first order approximate equation of the model is found. Finally, second order approximate equation is formed to eliminate the secular terms, and a uniformly valid asymptotic expansion of solution is decided. The multiscales solving method is an analytic method which can be used to analyze operation sequentially. And then we can also study the diversified qualitative and quantitative behaviors for corresponding physical quantities. This paper aims at providing a valid method for solving a box model of the nonlinear equation.

MO Jiaqi, LIN Wantao, WANG Hui. Singularly Perturbed Solution of Coupled Model in Atmosphere-ocean for Global Climate[J]. Chinese Geographical Science, 2008, 18(2): 193-196. doi: 10.1007/s11769-008-0193-3
Citation: MO Jiaqi, LIN Wantao, WANG Hui. Singularly Perturbed Solution of Coupled Model in Atmosphere-ocean for Global Climate[J]. Chinese Geographical Science, 2008, 18(2): 193-196. doi: 10.1007/s11769-008-0193-3
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