A41B:
Anthropogenic Aerosol Forcing: Mechanisms of Regional Climate Variability and Change II Posters

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Session ID#: 12893

Session Description:
There is large uncertainty in our understanding of regional changes in the climate system and the extent to which they are influenced by anthropogenic aerosols. Aerosols, the largest forcing uncertainty over the industrial period, are important since their forcing is spatially heterogeneous and can counteract greenhouse gas forcing. By modulating radiation and altering cloud properties, aerosols affect surface and atmospheric heating gradients and precipitation, resulting in atmospheric circulation changes. The objective of this session is to improve the understanding of mechanisms and pathways for the aerosol impact on regional climate worldwide. Observational and modeling studies focusing on changes in variability, long-term trends, and extremes in the hydrological cycle, in the recent past as well as the coming decades, are particularly solicited. We encourage papers investigating the impact of aerosols on monsoon systems, ITCZ, tropical-extratropical interactions and teleconnections, modes of variability, and the role of local versus remote aerosol emissions.
Primary Convener:  Massimo A Bollasina, University of Edinburgh, Edinburgh, United Kingdom
Conveners:  Yi Ming, Boston College, Chestnut Hill, MA, United States, Debbie Polson, University of Edinburgh, Edinburgh, United Kingdom and Laura Wilcox, University of Reading, National Centre for Atmospheric Science, Reading, RG6, United Kingdom
Chairs:  Massimo A Bollasina, University of Edinburgh, Edinburgh, United Kingdom and Yi Ming, Boston College, Chestnut Hill, MA, United States
OSPA Liaison:  Massimo A Bollasina, University of Edinburgh, Edinburgh, United Kingdom
Co-Organized with:
Global Environmental Change, and Global Environmental Change

Cross-Listed:
  • GC - Global Environmental Change

Proposed Co-Organized Session with:
  • GC - Global Environmental Change
Index Terms:

0305 Aerosols and particles [ATMOSPHERIC COMPOSITION AND STRUCTURE]
1620 Climate dynamics [GLOBAL CHANGE]
3305 Climate change and variability [ATMOSPHERIC PROCESSES]
3354 Precipitation [ATMOSPHERIC PROCESSES]

Abstracts Submitted to this Session:

Contributions of Asian pollution and SST forcings on precipitation change in the North Pacific (123526)
Sang-Wook Yeh and Lee Jong-Won, Hanyang University, Marine Sciences and Convergent Technology, Seoul, Korea, Republic of (South)
Do Differences in Future Sulfate Emission Pathways Matter for Near-term Climate? A Case Study for the Asian Monsoon (182972)
Rachel Elizabeth Bartlett1, Massimo A Bollasina2, Ben Booth3, Nick J Dunstone4, Franco Marenco5, Gabriele Messori6 and Dan Bernie4, (1)University of Edinburgh, School of GeoSciences, Edinburgh, UNITED KINGDOM, (2)University of Edinburgh, Edinburgh, United Kingdom, (3)Met Office Hadley center for Climate Change, Exeter, United Kingdom, (4)Met Office Hadley Centre, Exeter, United Kingdom, (5)Met Office, Exeter, United Kingdom, (6)Stockholm University, Stockholm, Sweden
Local and remote impacts of aerosol species on Indian summer monsoon rainfall in a GCM (174531)
Andrew G Turner1, Liang Guo2 and Eleanor Highwood1, (1)University of Reading, Reading, RG6, United Kingdom, (2)University of Reading, Reading, United Kingdom
Possible Impact of Snow Darkening by Light-absorbing Aerosols on the Hydrological Cycle over Eurasia (146261)
Maeng-Ki Kim, Kongju National University, Department of Atmospheric Science, Gongju, South Korea, William K-M Lau, University of Maryland College Park, Department of Atmospheric and Oceanic Sciences, College Park, MD, United States, Kyu-Myong Kim, NASA Goddard Space Flight Center, Greenbelt, MD, United States, Jeong Sang, Kongju National University, Atmospheric Science, Gongju, Korea, Republic of (South) and Dr. Teppei J Yasunari, PhD, Hokkaido University, Arctic Research Center, Sapporo, Japan
Regional Aerosol Forcing over India: Preliminary Results from the South West Asian Aerosol-Monsoon Interactions (SWAAMI) Aircraft Experiment (147959)
William Morgan1, James Brooks1, Cathryn Fox2, Sophie Haslett1, Dantong Liu3, Sobhan Kumar Kompalli4, Harshavardhana Pathak5, M R Manoj5, James D Allan1,6, Jim M Haywood7,8, Eleanor Highwood9, Justin Langridge2, Ravi S. Nanjundaiah5, K Krishnamoorthy5, S SURESH Babu10, S K Satheesh11, Andrew G Turner12 and Hugh Coe13, (1)University of Manchester, School of Earth and Environmental Sciences, Manchester, United Kingdom, (2)Met Office, Exeter, United Kingdom, (3)Zhejiang University, Department of Atmospheric Sciences, School of Earth Sciences, Hangzhou, China, (4)Space Physics Laboratory, Trivandrum, India, (5)Indian Institute of Science, Bangalore, India, (6)The National Centre for Atmospheric Science, University of Manchester, Manchester, United Kingdom, (7)Met Office Hadley center for Climate Change, Exeter, United Kingdom, (8)University of Exeter, College of Engineering, Mathematics and Physical Sciences, Exeter, United Kingdom, (9)University of Reading, Department of Meteorology, Reading, RG6, United Kingdom, (10)Space Physical Laboratory, Trivandrum, India, (11)Centre for Atmospheric & Oceanic Sciences, Indian Institute of Science, Bengaluru, India, (12)National Centre for Atmospheric Science, Department of Meteorology, University of Reading, Reading, United Kingdom, (13)University of Manchester, National Centre for Atmospheric Science, Manchester, United Kingdom
Timing and seasonality of the United States “warming hole” (184443)
Nora Rose Mascioli, Columbia University of New York, Palisades, NY, United States, Arlene M Fiore, Columbia University, Lamont-Doherty Earth Observatory, Palisades, NY, United States, Michael J Previdi, Columbia University, Lamont‐Doherty Earth Observatory, Palisades, United States and Mingfang Ting, Columbia Climate School, New York, United States
The Influence of Aerosol Absorption on the Extratropical Circulation (150971)
Zhaoyi Shen, Caltech, Environmental Science and Engineering, Pasadena, CA, United States and Yi Ming, Geophysical Fluid Dynamics Laboratory, Princeton, NJ, United States
Summer Rainfall over the Southwestern Tibetan Plateau Controlled by Deep Convection over the Indian Subcontinent (Invited) (141503)
Yanluan Lin1, Wenhao Dong1, Yi Ming2 and Jonathon S Wright3, (1)Center for Earth System Science, Tsinghua University, Beijing, China, (2)Geophysical Fluid Dynamics Laboratory, Princeton, NJ, United States, (3)Tsinghua University, Beijing, China
Direct and indirect aerosol effects on the climate of the Arabian Peninsula (128145)
Faisal M Al Zawad1,2, Mansour Almazroui3, M. Khodeir1, Mansour Alghamdi3 and Svante Vilhelm Henriksson4, (1)King Abdulaziz University, Environmental Sciences, Jeddah, Saudi Arabia, (2)The General Authority of Meteorology and Environmental Protection, Climate Change Unit, Jeddah, Saudi Arabia, (3)King Abdulaziz University, Jeddah, Saudi Arabia, (4)Finish Meteorological Institute, Helsinki, Finland
Impacts of Different Anthropogenic Aerosol Emission Scenarios on Hydrology in the Mekong Basins and their Effects on Irrigation and Hydropower (170639)
Lik-Khian Yeo, National University of Singapore, Singapore, Singapore and Chien Wang, Massachusetts Institute of Technology, Cambridge, MA, United States
Investigating Effects of Climate Seasonality, Catchment Characteristics and Socio-economic Factors on the Budyko Curve Parameter w at Different Spatiotemporal Scales (169960)
Weiguang Wang, Wanqiu Xing and Shan Zou, Hohai University, Nanjing, China
The significant reduction of precipitation in Southern China during the Chinese Spring Festival (170573)
Jiahui Zhang, Beijing Normal University, Beijing, China and Daoyi Gong, Beijing Normal University, State Key Laboratory of Earth Surface Processes and Resource Ecology (ESPRE), Beijing, China

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