近140年中国、北半球和全球气温的标度律

被引：9

作者：

江田汉

邓莲堂

机构：

[1] 北京大学环境科学系

[2] 中国气象局国家气象中心

来源：

高原气象 | 2005年 / 03期

关键词：

温度序列; 气候变化; 非趋势波动分析; 长程相关性;

D O I：

暂无

中图分类号：

P463 [中气候与小气候];

学科分类号：

摘要：

运用非趋势波动分析方法,有效地消除数据中噪声和非平稳性质的影响,研究全球、北半球和中国近140年气温变化的长程幂律相关性。结果表明:全球气温、北半球气温和中国气温都有由交叉点划分的两个标度不变区域,可能对应两个不同的物理机制。其一,都可以表现出正长程相关的性质,而且全球气温的持续性最强,北半球次之,中国气温最弱;其二,全球气温和北半球气温还可以有几乎是1/f噪声性质的变化,中国气温则可表现出介于1/f和布朗噪声之间的行为。

引用

页码：410 / 414

页数：5

共 13 条

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