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流场散度的误差估计
麻 娜1
华北电力大学数理系
摘要:
按照误差传递原理,推导出流场散度的误差估计式,并将其应用于赤道中东太平洋上升流区域水平散度误差的估计。应用结果表明:赤道中东太平洋上升流区多年平均流场的散度稳定,平均散度约为3.0×10-7s-1;和通常采用的误差估计公式相比,该估计公式降低了散度误差,从而提高了散度的可信度。
关键词:  散度  误差  上升流
DOI：
分类号:
基金项目:国家重点基金资助项目(90411013)
An error estimation of the divergence of current
Abstract:
According to the error translation rule, an error estimation of the divergence of current is given, and is applied to calculating the horizontal divergence of current in the equatorial center-eastern Pacific. The results show that the horizontal divergence of annual mean current in the equatorial center-eastern Pacific is steady, and the mean divergence is about 3.0×10-7 s-1. The error estimation is smaller than the usual error estimation, and hence the reliability is increased.
Key words:  divergence  error  upwelling
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