高级检索
李跃清. 青藏高原地面加热及上空环流场与东侧旱涝预测的关系[J]. 大气科学, 2003, 27(1): 107-114. DOI: 10.3878/j.issn.1006-9895.2003.01.10
引用本文: 李跃清. 青藏高原地面加热及上空环流场与东侧旱涝预测的关系[J]. 大气科学, 2003, 27(1): 107-114. DOI: 10.3878/j.issn.1006-9895.2003.01.10
Li Yueqing. Surface Heating in the Tibetan Plateau and General Circulation over It and Their Relations with the Prediction of Drought-Flood at Its Eastern Side[J]. Chinese Journal of Atmospheric Sciences, 2003, 27(1): 107-114. DOI: 10.3878/j.issn.1006-9895.2003.01.10
Citation: Li Yueqing. Surface Heating in the Tibetan Plateau and General Circulation over It and Their Relations with the Prediction of Drought-Flood at Its Eastern Side[J]. Chinese Journal of Atmospheric Sciences, 2003, 27(1): 107-114. DOI: 10.3878/j.issn.1006-9895.2003.01.10

青藏高原地面加热及上空环流场与东侧旱涝预测的关系

Surface Heating in the Tibetan Plateau and General Circulation over It and Their Relations with the Prediction of Drought-Flood at Its Eastern Side

  • 摘要: 应用奇异值分解(SVD)技术研究了青藏高原地面加热场与高原上空100 hPa高度场及其东侧川渝地区夏季降水场的时空联系和旱涝预测的关系.结果表明:地面加热场与高度场的第一模态代表了两场间的主要耦合特征,具有高度的时空相关;前期青藏高原地面加热场通过影响后期高原上空100 hPa高度场,导致未来高原东侧川渝地区夏季降水异常;加热场-高度场-降水场之间的这种非同步关系,反映了川渝地区旱涝灾害的影响因子和物理成因; 前期高原地面加热场与前期100 hPa高度场SVD第一模态的变化,是高原东侧地区未来夏季旱涝异常的预测信号.并由此提出了一种基于SVD技术的旱涝预测思路.

     

/

返回文章
返回