中国地区3个AERONET站点气溶胶直接辐射强迫分析

doi:10.7523/j.issn.2095-6134.2014.03.002

中国科学院大学学报 ›› 2014, Vol. 31 ›› Issue (3): 297-305.DOI: 10.7523/j.issn.2095-6134.2014.03.002

• 大气颗粒物与空气污染专刊 • 上一篇下一篇

中国地区3个AERONET站点气溶胶直接辐射强迫分析

张志薇¹, 王宏斌², 张镭¹, 田鹏飞¹, 王瑾¹, 王腾蛟¹

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 730000;
2. 江苏省气象科学研究所, 南京 210009

收稿日期:2013-06-09 修回日期:2013-10-10 发布日期:2014-05-15
通讯作者: 张镭，E-mail：zhanglei@lzu.edu.cn
基金资助:
国家自然科学基金（41075104）、国家重大科研项目（2012CB955302）、江苏省气象局科研基金（KM201402）和兰州大学中央高校基本科研业务专项（lzujbky-2013-246）资助

Aerosol direct radiative forcing at three AERONET sites in China

ZHANG Zhiwei¹, WANG Hongbin², ZHANG Lei¹, TIAN Pengfei¹, WANG Jin¹, WANG Tengjiao¹

1. Key Laboratory for Semi-Arid Climate Change of the Ministry of Education, College of Atmospheric Sciences, Lanzhou University, Lanzhou 730000, China;
2. Jiangsu Institute of Meteorological Sciences, Nanjing 210009, China

Received:2013-06-09 Revised:2013-10-10 Published:2014-05-15

摘要/Abstract

摘要：

利用全球气溶胶监测网（AERONET）观测资料，借助平面平行辐射传输模式，计算兰州大学半干旱气候与环境观测站（SACOL）、香河站和太湖站多年晴空条件下的气溶胶直接辐射强迫.结果表明，SACOL、香河和太湖地区大气层顶气溶胶日平均直接辐射强迫分别为（-7.2±7.1）、（-11.7±9.5）和（-14.9±8.3）W/m²，地表处分别为（-21.9±12.2）、（-36.5±29.5）和（-42.2± 21.0） W/m²，大气中分别为（14.7±9.7）、（24.8±23.0）和（27.3±16.5） W/m².香河站和太湖站气溶胶对地表的降温和大气的增温大于SACOL站.地表和大气中辐射强迫对气溶胶光学厚度的变化敏感，而大气层顶处敏感性较弱.沙尘气溶胶直接辐射强迫大于所有气溶胶的平均值，且对地表降温和大气增温更明显.

关键词: 大气气溶胶, 沙尘, 光学厚度, 辐射强迫

Abstract:

The daily averages of the aerosol radiative forcing (ARF) at the surface and the top of the atmosphere (TOA) were calculated in several years in China. A radiative transfer model (SBDART) was utilized to simulate the solar irradiance values at the surface and TOA by using as input aerosol properties retrieved from AERONET sun photometer measurements. At the AERONET stations at SACOL, Xianghe, and Taihu, the daily mean ARF values were (-7.2±7.1), (-11.7±9.5), and (-14.9±8.3) W/m² at the TOA; (-21.9±12.2),(-36.5±29.5), and (-42.2±21.0) W/m² at the surface; and (14.7±9.7), (24.8±23.0), and (27.3±16.5) W/m² in the atmosphere, respectively. The surface cooling and the atmosphere warming caused by aerosol at Xianghe and Tiahu stations were greater than at SACOL. The daily ARF of the desert dust aerosol was significantly greater than the total average of aerosol, especially at the surface and in the atmosphere, showing that dust can produce more obvious surface cooling and atmosphere warming.

Key words: atmospheric aerosol, dust, aerosol optical depth, radiative forcing

中图分类号:

P407.1

张志薇, 王宏斌, 张镭, 田鹏飞, 王瑾, 王腾蛟. 中国地区3个AERONET站点气溶胶直接辐射强迫分析[J]. 中国科学院大学学报, 2014, 31(3): 297-305.

ZHANG Zhiwei, WANG Hongbin, ZHANG Lei, TIAN Pengfei, WANG Jin, WANG Tengjiao. Aerosol direct radiative forcing at three AERONET sites in China[J]. , 2014, 31(3): 297-305.

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中国地区3个AERONET站点气溶胶直接辐射强迫分析

Aerosol direct radiative forcing at three AERONET sites in China

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