干旱区生态环境知识资源中心(Arid): 利用CERES(SYN)资料分析青藏高原云辐射强迫的时空变化

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	利用CERES(SYN)资料分析青藏高原云辐射强迫的时空变化
其他题名	Analysis on Temporal and Spatial Variations for Cloud RadiationForcing over Qinghai-Xizang Plateau Using CERES(SYN) Data
	张丁玲 1; 黄建平 1; 刘玉芝 1; 陈斌 1; 张磊 2
来源期刊	高原气象
ISSN	1000-0534
出版年	2012
卷号	31 期号:5 页码:1192-1202
中文摘要	利用2001年11月-2005年10月"云与地球辐射能量系统(CERES)"辐射和云资料SYN(Synoptic Radiation Fluxes and Clouds),分析了青藏高原(下称高原)地区不同高度云辐射强迫的时空变化特征。结果表明:(1)高原整体为云强迫正、负值的过渡区域,这种过渡性有显著的季节差异和区域划分。高原东南部表现出较强的冷却效应,其西部和东北部干旱区在冬、春季表现为较弱的加热效应。(2)高云、高的中云和低的中云对云短波辐射强迫的季节变化都有贡献,其中中云是导致区域差异的主要因素;云长波辐射强迫的区域差异不明显,但季节差异显著,这主要是由高的中云和高云的变化引起的,且云量是主要的影响因子,高云云量虽小但其影响不可忽视。(3)高云在高原地区产生净加热效应,高的中云既产生加热作用也产生冷却作用,低的中云产生净冷却效应。(4)云短波辐射强迫在云辐射强迫的日变化中仍然占主导地位,日变化的区域差异主要是由云量引起的。白天,在云短波辐射强迫的日变化中,低的中云贡献更大。高云对云长波辐射强迫的日变化贡献主要在晚上,低的中云在夜间对云长波辐射强迫有抑制作用。
英文摘要	The cloud and radiation data, archived in CERES (Clouds and the Earth′s Radiant Energy System) SYN (Synoptic Radiation Fluxes and Clouds) product, are applied to gain a better understanding of the temporal and spatial variations of cloud radiation forcing over the Qinghai-Xizang Plateau(QXP) from November 2001 to October 2005. The results indicate four important points: Firstly, the whole QXP is the transition area of cloud radiation forcing, and this transition has significant seasonal and regional variations. The southeast of QXP makes a cooling effect, the western and northeastern QXP regions, an arid area, showed a weaker warming effect. Secondly, high cloud, upper-middle cloud and lower-middle clouds all contribute to the seasonal and regional differences of cloud shortwave radiation forcing, and the middle cloud is the main factor of regional differences; regional differences of longwave radiation forcing is not so obvious, but it has significant seasonal difference, which is mainly caused by the high cloud and upper-middle clouds, and cloud amount is a main factor of influence. Although the cloud amount of high cloud is small, but its impact is unnegligible. Thirdly, over QXP, high cloud causes a net heating effect, upper-middle clouds have both heating effect and cooling effect, and low cloud cause a net cooling effect. Fourthly, for the diurnal variation of cloud radiation forcing, the shortwave plays a dominating role. The significant regional differences of diurnal variation are mainly caused by the cloud amount. During the daytime, the lower-middle clouds have the greatest contribution on the diurnal variation of shortwave radiation. At night, the high cloud plays an important role of diurnal variation of shortwave radiation, while the lower-middle clouds inhibit the for longwave radiation forcing.
中文关键词	青藏高原 ; 云辐射强迫 ; 时空变化
英文关键词	CERES(SYN) Qinghai-Xizang Plateau CERES (SYN) Cloud radiation forcing Temporal and spatial variations
语种	中文
国家	中国
收录类别	CSCD
WOS类目	METEOROLOGY ATMOSPHERIC SCIENCES
WOS研究方向	Meteorology & Atmospheric Sciences
CSCD记录号	CSCD:4666018
来源机构	兰州大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/228170
作者单位	1.兰州大学大气科学学院, 半干旱气候变化教育部重点实验室, 兰州, 甘肃 730000, 中国; 2.中国人民解放军92543部队, 济源, 河南 454650, 中国
推荐引用方式 GB/T 7714	张丁玲,黄建平,刘玉芝,等. 利用CERES(SYN)资料分析青藏高原云辐射强迫的时空变化[J]. 兰州大学,2012,31(5):1192-1202.
APA	张丁玲,黄建平,刘玉芝,陈斌,&张磊.(2012).利用CERES(SYN)资料分析青藏高原云辐射强迫的时空变化.高原气象,31(5),1192-1202.
MLA	张丁玲,et al."利用CERES(SYN)资料分析青藏高原云辐射强迫的时空变化".高原气象 31.5(2012):1192-1202.