Effects of transport on aerosols over the eastern slope of the Tibetan Plateau:synergistic contribution of Southeast Asia and the Sichuan Basin

被引：0

作者：

SU Hong-Juan ^{[1
,2
]}

XIN Jin-Yuan ^{[1
,2
,3
]}

MA Yong-Jing ^{[2
]}

LIU Zirui ^{[2
]}

WEN Tian-Xue ^{[2
]}

WANG Shi-Gong ^{[1
]}

FAN Guang-Zhouac ^{[1
]}

LI Wei ^{[4
]}

WANG Lu ^{[2
]}

HE Zhi-Ming ^{[5
]}

WANG Yue-Si ^{[2
]}

机构：

[1] Plateau Atmosphere and Environment Key Laboratory of Sichuan Province, Chengdu University of Information Technology

[2] State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry (LAPC), Institute of Atmospheric Physics,Chinese Academy of Sciences

[3] Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters,Nanjing University of Information Science and Technology

[4] Chinese Academy of Sciences, Institute of Mountain Hazards and Environment (IMHE)

[5] Jiangxi Weather Modification Office, Nanchang, Jiangxi Meteorological Bureau

来源：

Atmospheric and Oceanic Science Letters | 2018年 / 11卷 / 05期

基金：

中国国家自然科学基金;

关键词：

青藏高原; 大气气溶胶; 气溶胶光学厚度; 气溶胶化学成分; 生物质燃烧; 区域传输;

D O I：

暂无

中图分类号：

X513 [粒状污染物];

学科分类号：

0706 ; 070602 ;

摘要：

为探究南亚与四川盆地对青藏高原污染物传输的影响,论文利用青藏高原东坡区域背景站贡嘎山站2012–2014年地基观测数据,系统揭示了青藏高原东坡大气气溶胶浓度、化学成分与光学特性的变化特征。气溶胶光学厚度AOD年均值0.35左右,在夏冬季较高,春秋较低。干季钾离子(K+)、二次无机气溶胶(SIAs)与一次有机碳(POC)的浓度均高于湿季,湿季二次有机碳(SOC)为干季的3.1倍。结合后向轨迹分析,来自东南亚地区气团对应的高浓度K+、元素碳(EC)及POC表明生物质燃烧源对青藏高原东坡干季气溶胶有显著贡献;湿季气溶胶主要来源于四川盆地可挥发性有机物(VOCs)的氧化。

引用

页码：425 / 431

页数：7

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