Universität zu Köln

Huang, Mei, Zhu, Lin, Gong, He and Shao, Yaping ORCID: 0000-0002-2041-5479 (2016). Close correlation between global air temperature change and polar motion during 1962-2013. J. Geophys. Res.-Atmos., 121 (19). S. 11248 - 11264. WASHINGTON: AMER GEOPHYSICAL UNION. ISSN 2169-8996

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Abstract

Polar motion is an important Earth orientation parameter, but our understanding of its relation to global climate change is highly uncertain. In this study, we examine the links between polar motion excitation and annual mean air temperature during the period of 1962-2013 and discuss the possible responsible mechanisms. The regions of positive correlation correspond well with the warming centers. Spectral analysis shows that they have strong signals at similar frequencies. Strong correlations are also found between the polar motion and surface air pressure and vertical integrated zonal wind. This implies that polar motion serves as an important indicator of global climate change, and thus, the feedbacks between the solid Earth and the climate system deserve careful considerations.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Huang, Mei UNSPECIFIED UNSPECIFIED UNSPECIFIED Zhu, Lin UNSPECIFIED UNSPECIFIED UNSPECIFIED Gong, He UNSPECIFIED UNSPECIFIED UNSPECIFIED Shao, Yaping UNSPECIFIED orcid.org/0000-0002-2041-5479 UNSPECIFIED
URN:	urn:nbn:de:hbz:38-259368
DOI:	10.1002/2016JD024842
Journal or Publication Title:	J. Geophys. Res.-Atmos.
Volume:	121
Number:	19
Page Range:	S. 11248 - 11264
Date:	2016
Publisher:	AMER GEOPHYSICAL UNION
Place of Publication:	WASHINGTON
ISSN:	2169-8996
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language EL-NINO; EXCITATION; OSCILLATION Multiple languages Meteorology & Atmospheric Sciences Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/25936