SBDART对云地面长波辐射强迫的模拟研究

大气与环境光学学报 ›› 2012, Vol. ›› Issue (4): 263-.

SBDART对云地面长波辐射强迫的模拟研究

杨树臣1,2，高太长1，苏小勇1，张志越2

（1 解放军理工大学气象学院，江苏南京 211101；
2 91876部队气象台，河北秦皇岛 066203）

收稿日期:2011-12-06 修回日期:2012-02-25 出版日期:2012-07-28 发布日期:2012-07-19
通讯作者: 杨树臣（1985-），男，山东昌乐人，助理工程师，研究生，研究方向为大气探测理论与技术。 E-mail:ge19602000@126.com
作者简介:杨树臣（1985-），男，山东昌乐人，助理工程师，研究生，研究方向为大气探测理论与技术。

Research on Cloud Surface Long-wave Radiative Forcing by Using SBDART

YANG Shu-chen1, 2, GAO Tai-chang1, SU Xiao-yong1, ZHANG Zhi-yue2

(1 Institute of Meteorology, PLA University of Science and Technology, Nanjing 211101;
2 No.91876 Army of PLA Meteorological Observatory, Qinhuangdao 066203)

Received:2011-12-06 Revised:2012-02-25 Published:2012-07-28 Online:2012-07-19

摘要/Abstract

摘要：

为了研究云的地面长波辐射强迫与云的关系，利用SBDART辐射传输模式模拟了云量、云底高和云光学厚度对云的地面长波辐射强迫的影响，并对国内外学者研究的云的地面长波辐射强迫随云量变化的非线性原因进行了理论分析。结果表明：对相同的云，在不同的大气条件下，地面长波辐射强迫是不同的；云的地面长波辐射强迫随云量的增大而增大，随云底高的增大而减小，随云光学厚度的增大而增大，当光学厚度大于10以后，几乎不再增大。随云量的增加，低云和光学厚度大的云出现的概率增大，是云的地面长波辐射强迫随云量变化呈非线性的两个原因。

关键词: SBDART, 云, 辐射强迫

Abstract:

In order to study the relationships between cloud surface long-wave radiative forcing and cloud, the effects of cloud amount, cloud base height and cloud optical depth on cloud surface long-wave radiative forcing are investigated by using SBDART. And the causes of the nonlinearity of the relationships between cloud surface long-wave radiative forcing and cloud amount derived from other experts are analyzed. The results show that, the cloud surface long-wave radiative forcing of the same cloud shows different characteristics in different atmospheric conditions. The cloud surface long-wave radiative forcing increases with cloud cover, and decreases with cloud base height. The cloud surface long-wave radiative forcing also increases with cloud optical depth, but the increasing stops when the optical depth is greater than 10. The nonlinearity of the relationship is caused by the more frequent occurrence of low altitude cloud and cloud of great optical depth as the cloud cover increases.

Key words: SBDART, cloud, radiative forcing

中图分类号:

P422

杨树臣高太长苏小勇张志越. SBDART对云地面长波辐射强迫的模拟研究[J]. 大气与环境光学学报, 2012, (4): 263-.

YANG Shu-Chen, GAO Tai-Chang, SU Xiao-Yong, ZHANG Zhi-Yue. Research on Cloud Surface Long-wave Radiative Forcing by Using SBDART[J]. Journal of Atmospheric and Environmental Optics, 2012, (4): 263-.

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