Abstract
GEOPHYSICAL RESEARCH LETTERS,
VOL. 35,
L04704,
7 PP., 2008
doi:10.1029/2007GL032669
Relationship between trends in temperature extremes and elevation in the eastern and central Tibetan Plateau, 1961–2005
Institute of Tibetan Plateau Research, Chinese Academy of Sciences (CAS), Beijing, China
College of Resource and Environment, Graduate University of CAS, Beijing, China
Institute of Tibetan Plateau Research, Chinese Academy of Sciences (CAS), Beijing, China
State Key Laboratory of Cryospheric Science, CAS, Lanzhou, China
Department of Geography, University of Portsmouth, Portsmouth, UK
National Climate Center, Beijing, China
Trend magnitudes of 11 indices of temperature extremes at 71 stations with elevations above 2000 m a.s.l. in the eastern and central Tibetan Plateau (TP) during 1961–2005 are examined. Most trends in extremes are consistent with general warming in the TP. There are no significant correlations between elevation and trend magnitude of temperature extremes with the exception of TXn (coldest day temperature) and TX10 (cold day frequency). Thus an enhanced sensitivity of temperature extremes at higher elevations in the eastern and central TP is not apparent in the context of recent warming in this region. Although previous work showed a correlation between elevation and mean temperature trends in the TP, this analysis fails to substantiate this relationship for extremes. Analysis of trend magnitudes by topographic type and degree of urbanization show both factors to have a strong influence in this dataset, which overrides that of elevation.
Received 13 November 2007; accepted 28 January 2008; published 26 February 2008.
Citation: (2008), Relationship between trends in temperature extremes and elevation in the eastern and central Tibetan Plateau, 1961–2005, Geophys. Res. Lett., 35, L04704, doi:10.1029/2007GL032669.
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