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Advances in Atmospheric Sciences

, Volume 18, Issue 5, pp 793–806 | Cite as

Impacts of Diurnal Cycle of SST on the Intraseasonal Variation of Surface Heat Flux over the Western Pacific Warm Pool

  • Li Wei
  • Yu Rucong
  • Liu Hailong
  • Yu Yongqiang
Article

Abstract

Based on the method of estimating the diurnal amplitude of sea surface temperature (SST) as a function of daily averaged wind speed, precipitation and peak surface radiation, a parameterization scheme of diurnal cycle of SST is developed in the present study, Integrations to National Center for Atmospheric Research (NCAR) Community Climate Model (CCM3), separately forced by observed weekly SSTs with and without diurnal cycle of SST, are compared. Surface observation obtained from the Improved Meteorology (IMET) buoy during TOGA COARE Intensive Observation Period is applied to verify the SST parameterization, as well as a validation to the results from the CCM3 simulation. It is shown that the superposition of diurnal cycle of SST to the forced weekly SST makes a more realistic representation of the surface structure of intraseasonal oscillation over the western Pacific warm pool.

Key words

Diurnal cycle of SST Surface heat flux Intraseasonal oscillation 

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Copyright information

© Advances in Atmospheric Sciences 2001

Authors and Affiliations

  • Li Wei
    • 1
  • Yu Rucong
    • 1
  • Liu Hailong
    • 1
  • Yu Yongqiang
    • 1
  1. 1.LASG, Institute of Atmospheric PhysicsChinese Academy of SciencesBeijingChina

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