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Warming and drying climate over Loess plateau area in China and its effect on land surface energy exchange
Alternative Title黄土高原区域气候暖干化对地表能量交换特征的影响
Zhang Qiang1,2,3; Huang Jing1,2,4; Zhang Liang1,2,5; Zhang Li-Yang5
2013-07
Source PublicationACTA PHYSICA SINICA   Impact Factor & Quartile Of Published Year  The Latest Impact Factor & Quartile
ISSN1000-3290
Volume62Issue:13Pages:-
AbstractChina's Loess plateau, as one of the areas in the world, is vulnerable to ecological environment and sensitive to climate change. The characteristic of land surface process has been changing in this area, and it affects the formation and evolution of regional weather and climate. However, limited by observational land surface data, exchange process variation of the surface energy of the Loess plateau and its mechanism of response to climate change is limited. In this study, we combine the observed experimental data with the land surface model simulated data, test the previous four land surface models. It shows the CLM is reliable in Loess plateau. Then we use the observed data and model simulated data to analyze the variation of regional climate and the characteristics of land surface energy exchange, and discuss the effect of climate change on land surface energy exchange. It shows that Loess plateau is warming and drying in recent decades. It induces the increase in solar radiation, surface reflected radiation and surface longwave upward radiation. This makes the net radiation decrease. Correspondingly, surface latent heat flux, sensible heat flux and soil heat flux all have a decreasing trend. But the distribution ratio of components of surface heat flux is basically unchanged. In addition, the annual variation of sensible heat flux is controlled by solar radiation, and latent heat flux is controlled by solar radiation and precipitation. The annual variation of each component of surface heat flux is sensitive to precipitation, not sensitive to temperature. The climate acidification affected surface energy balance farmore than temperature rise.
Other Abstract本文将观测试验资料与陆面过程模式模拟资料相结合,对目前4个流行的陆面过程模式的模拟资料进行了验证分析,发现通用陆面模式(CLM)模式的模拟资料在黄土高原地区比较可靠.在此基础上,利用近几十年CLM模式模拟资料和气象站观测资料,分析了黄土高原地区的区域气候和地表能量交换特征的变化规律,研究了该地区地表能量交换对降水和温度变化的响应特征,讨论了该地区气候变化对地表能量交换特征的影响机理.研究发现,近几十年来黄土高原区域气候表现为明显的暖干化趋势,从而引起太阳总辐射、地表反射辐射和地表长波向上辐射的增加及地表长波向下辐射的减小,并由此造成地表净辐射通量减少.与之相对应,不仅地表潜热通量呈减小趋势,而...
KeywordLoess Plateau regional climate warming and drying land process simulation land surface energy exchange
Subject AreaPhysics
PublisherCHINESE PHYSICAL SOC
DOI10.7498/aps.62.139202
Publication PlaceBEIJING
Indexed BySCIE ; EI ; CSCD
Language中文
First Inst
Funding Project国家自然科学基金项目 ; 国家重点基础研究发展计划以及国家重大科学研究计划(973计划)
Host of Journal中国物理学会
Project NumberNational Basic Research Program of China [2013CB430206] ; National Natural Science Foundation of China [40830957]
WOS IDWOS:000322566300076
CSCD IDCSCD:4888304
Funding OrganizationNSFC ; MOST
SubtypeArticle
EI ID20133216588436
IRIDCNKI:0058820
Department
[Zhang Qiang;
Huang Jing;
Zhang Liang] CMA, Inst Arid Meteorol, Key Lab Arid Climat Change & Reducing Disaster Ga, Lanzhou 730020, Peoples R China;
[Zhang Qiang;
Huang Jing;
Zhang Liang] CMA, Key Open Lab Arid Climat Change & Disaster Reduct, Lanzhou 730020, Peoples R China;
[Zhang Qiang] Gansu Prov Meteorol Bur, Lanzhou 730020, Peoples R China;
[Huang Jing] Meteorol Bur YongJia, Wenzhou 325100, Peoples R China;
[Zhang Liang;
Zhang Li-Yang] Lanzhou Univ, Coll Atmospher Sci, Lanzhou 730000, Peoples R China...更多
Citation statistics
Cited Times:6[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttps://ir.lzu.edu.cn/handle/262010/119357
Collection大气科学学院
Corresponding AuthorZhang Qiang
Affiliation
1.CMA, Inst Arid Meteorol, Key Lab Arid Climat Change & Reducing Disaster Ga, Lanzhou 730020, Peoples R China
2.CMA, Key Open Lab Arid Climat Change & Disaster Reduct, Lanzhou 730020, Peoples R China
3.Gansu Prov Meteorol Bur, Lanzhou 730020, Peoples R China
4.Meteorol Bur YongJia, Wenzhou 325100, Peoples R China
5.Lanzhou Univ, Coll Atmospher Sci, Lanzhou 730000, Peoples R China
Recommended Citation
GB/T 7714
Zhang Qiang,Huang Jing,Zhang Liang,et al. Warming and drying climate over Loess plateau area in China and its effect on land surface energy exchange[J]. ACTA PHYSICA SINICA,2013,62(13):-.
APA Zhang Qiang,Huang Jing,Zhang Liang,&Zhang Li-Yang.(2013).Warming and drying climate over Loess plateau area in China and its effect on land surface energy exchange.ACTA PHYSICA SINICA,62(13),-.
MLA Zhang Qiang,et al."Warming and drying climate over Loess plateau area in China and its effect on land surface energy exchange".ACTA PHYSICA SINICA 62.13(2013):-.
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