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Simulating Arctic 2-m air temperature and its linear trends using the HIRHAM5 regional climate model
Zhou, X (Zhou, X.)1,2; Matthes, H (Matthes, H.)3; Rinke, A (Rinke, A.)3; Huang, B (Huang, B.)4; Yang, K (Yang, K.)1,2,5; Dethloff, K (Dethloff, K.)3
Source PublicationATMOSPHERIC RESEARCH
2019
Volume217Issue:0Pages:137-149
DOI10.1016/j.atmosres.2018.10.022
Abstract

Air temperature at 2-m (T2) in the Arctic represents its local climate. Its quantification is one of the major criteria to evaluate the performance of numerical models in reflecting the complex physical and dynamical processes associated with the surface energy balance. This study uses HIRHAM5 regional climate model to simulate the Arctic climate during 1979-2014. Evaluations with Arctic station observations reveal that HIRHAM5 can generally reproduce the temporal and spatial variation of the T2, although a systematic cold bias of ca. -2 degrees C exists in all seasons. The overestimated surface albedo in spring and autumn, and the underestimated downward solar radiation associated with the cloud cover in summer are the main causes of the cold biases in each respective season. The model also simulates the Arctic warming well (with linear trends of 0.40 degrees C decade(-1) for the annual mean T2), although the magnitude is less than that from ERA-Interim (0.55 degrees C decade(-1)) and station observations (0.60 degrees C decade(-1)). In addition, strong decadal variability is clear in the T2 trends calculated using an 11-year moving windows, especially in winter and spring, which is mainly associated with the variability of the Arctic/North Atlantic Oscillations.

Subject AreaAtmospheric Sciences
WOS IDWOS:000452931100014
Language英语
Indexed BySCI
KeywordPerformance Scheme Parameterization Amplification Variability Prediction
WOS Research AreaMeteorology & Atmospheric Sciences
WOS SubjectMeteorology & Atmospheric Sciences
Cooperation Status国际
ISSN0169-8095
Department环境变化与地表过程
URL查看原文
PublisherELSEVIER SCIENCE INC
SubtypeArticle
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Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/9392
Collection图书馆
Corresponding AuthorZhou, X (Zhou, X.)
Affiliation1.Chinese Acad Sci, Inst Tibetan Plateau Res, TEL, Beijing 100101, Peoples R Chi;
2.Chinese Acad Sci, Inst Tibetan Plateau Res, CETES, Beijing 100101, Peoples R China;
3.Helmholtz Ctr Polar & Marine Res, Alfred Wegener Inst, D-14473 Potsdam, Germany;
4.Norwegian Univ Sci & Technol NTNU, Dept Energy & Proc Engn, Ind Ecol Programme, N-7491 Trondheim, Norway;
5.Tsinghua Univ, Dept Earth Syst Sci, Minist Educ, Key Lab Earth Syst Modeling, Beijing 10084, Peoples R China.
Recommended Citation
GB/T 7714
Zhou, X ,Matthes, H ,Rinke, A ,et al. Simulating Arctic 2-m air temperature and its linear trends using the HIRHAM5 regional climate model[J]. ATMOSPHERIC RESEARCH,2019,217(0):137-149.
APA Zhou, X ,Matthes, H ,Rinke, A ,Huang, B ,Yang, K ,&Dethloff, K .(2019).Simulating Arctic 2-m air temperature and its linear trends using the HIRHAM5 regional climate model.ATMOSPHERIC RESEARCH,217(0),137-149.
MLA Zhou, X ,et al."Simulating Arctic 2-m air temperature and its linear trends using the HIRHAM5 regional climate model".ATMOSPHERIC RESEARCH 217.0(2019):137-149.
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