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(Article of periodic en Anglais - 2013)

Document title

Temporal and spatial changes of temperature and precipitation in Hexi Corridor during 1955–2011

Authors(s) and Affiliation(s)

MENG X. (1 2) ; ZHANG S. (1) ; ZHANG Y. (1) ; WANG C. (1 2) ;
(1) Key Lab. of Water Cycle and Related Land Surface Processes, Inst. of Geographic Sciences and Natural Resources Research, CAS, Beijing, CHINE
(2) Univ. of Chinese Academy of Sciences, Beijing, CHINE

Abstract

This study is focused on the northwestern part of Gansu Province, namely the Hexi Corridor. The aim is to address the question of whether any trend in the annual and monthly series of temperature and precipitation during the period 1955–2011 appears at the scale of this region. The temperature and precipitation variation and abrupt change were examined by means of linear regression, five-year moving average, non-parameter Mann-Kendall test, accumulated variance analysis and Pettitt test method. Conclusions provide evidence of warming and wetting across the Hexi Corridor. The mean annual temperature in Hexi Corridor increased significantly in recent 57 years. The abrupt change phenomenon of the annual temperature was detected mainly in 1986. No consistent abrupt change was detected in precipitation in this study area, but the rainy season precipitation abrupt change was mainly observed in 1968

Source

Article of periodic

published at : Journal of geographical sciences. Acta geographica sinica / ISSN 1009-637X

Editor : CHINE

Millesime : 2013, vol. 23, no4 [pp. 653-667]

Bibliographic references : 33 ref.

Collation : 5 fig., 6 tabl.

Language

Anglais

Digital Object Identifier

Go to electronic document thanks to its DOI : doi:10.1007/s11442-013-1035-5

Tous droits réservés © Prodig - Bibliographie Géographique Internationale (BGI), 2013
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