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Session Proposal: Geoengineering and Weather Modification: Bridging Scientific Uncertainties for Climate Resilience (AGU25)

GC054
Geoengineering and Weather Modification: Bridging Scientific Uncertainties for Climate Resilience

Session ID#: 250083

Session Description:
As global warming intensifies and extreme weather events escalate, strategies such as solar radiation modification, weather modification, and carbon dioxide removal are increasingly discussed as potential interventions to mitigate climate impacts, while large uncertainties exist. This session aims to transform uncertainties into actionable knowledge for science-based climate resilience and disaster risk reduction, welcoming studies on:(1) Observational validation: Field experiments (e.g., marine cloud brightening and weather modifications) and natural analogues (e.g., volcanic eruption and ship track)  to track atmospheric microphysical changes and ecological responses.(2) Mechanistic insights: Underlying physical and chemical processes, including cloud-aerosol dynamics, stratospheric aerosol injection efficiency, and biogeochemical feedbacks.(3) Predictive modeling: Earth System modeling to quantify the effectiveness and regional implications of geoengineering strategies, including impacts on weather extremes and climate system variability. (4) Risk assessment and mitigation: Systematic assessment frameworks integrating probabilistic risk modeling and multi-criteria analysis, and scalable technologies with minimized side effects.
Co-Sponsor(s):
  • A - Atmospheric Sciences
  • C - Cryosphere
  • EP - Earth and Planetary Surface Processes
  • NH - Natural Hazards
Index Terms:

1616 Climate variability [GLOBAL CHANGE]
3309 Climatology [ATMOSPHERIC PROCESSES]
3311 Clouds and aerosols [ATMOSPHERIC PROCESSES]
3359 Radiative processes [ATMOSPHERIC PROCESSES]
Primary Convener:  Chuanfeng Zhao, Peking University, Department of Atmospheric and Oceanic Sciences, Beijing, China
Conveners:  Lili Xia, Rutgers University, Department of Environmental Sciences, New Brunswick, United States, Long Cao, ZheJiang University, Department of Atmospheric Sciences, School of Earth Sciences, Hangzhou, China and Chao Liu, Nanjing University of Information Science and Technology, Nanjing, China
 
Using empirical data to assess terrestrial carbon storage impacts under SRM (1852237)
Brendan Clark1, Daniele Visioni1, Manuel T. Lerdau2 and Shan Kothari3, (1)Cornell University, Ithaca, NY, United States, (2)University of Virginia, Department of Environmental Sciences, Charlottesville, United States, (3)University of Alberta, Edmonton, Canada
 
Numerical Experiments of Atmospheric Temperature Changes due to Specific Land Surface Conditions (1871692)
Keiichiro Fukazawa1, Shin Suzuki2, Shoji Sakoda3, Yasunobu Miyoshi4, Ryosuke Osugi5 and Masahiro Suemitsu5, (1)Research Institute for Humanity and Nature, Kyoto, Japan, (2)Aichi University, Toyohashi, Japan, (3)Kyoto University, Kyoto, Japan, (4)Kyushu University, Fukuoka, Japan, (5)SPACECOOL INC., Kyoto, Japan
 
Stratospheric Aerosol Injection: Managing Uncertainty through Learning Across Scales (Invited) (1909208)
Douglas MacMartin, Cornell University, Sibley School of Mechanical and Aerospace Engineering, Ithaca, NY, United States and Daniele Visioni, Cornell University, Ithaca, NY, United States
 
Sulfur, soot, and salt tracks: How good are ship tracks as analogues for marine cloud brightening? (Invited) (1917315)
Michael S Diamond, Florida State University, Earth, Ocean, & Atmospheric Science, Tallahassee, FL, United States
 
The Role of Water Vapor in Stratospheric Aerosol Injection: Uncertainty and Implications for Geoengineering Effectiveness (1924235)
Yuhan Wang, Stanford University, Department of Earth System Science, Stanford, United States and Yuan Wang, Stanford University, Department of Earth System Science, Stanford, CA, United States
 
Weather Jiu-Jitsu: Climate Adaptation for the 21st Century (1931056)
Qin Huang1, Moyan Liu1 and Upmanu Lall2,3, (1)Arizona State University, School of Complex Adaptive Systems, Tempe, AZ, United States, (2)Columbia University, Earth and Environmental Engineering, New York, United States, (3)Arizona State University, Water Institute, School of Complex Adaptive Systems, Tempe, United States
 
Could aggregation and sulfate coating alter the scattering and absorption efficiencies of SAI aerosol? (1938756)
Prabhav Upadhyay1, Taveen Singh Kapoor2 and Rajan Chakrabarty2, (1)Washington University in St Louis, Energy, Environmental and Chemical Engineering, St. Louis, MO, United States, (2)Washington University in St Louis, Energy, Environmental and Chemical Engineering, St. Louis, United States
 
Weather Jiu-Jitsu: Toward Controlling Atmospheric Rivers with Deep Learning Foundation Models and Adaptive Perturbation (1949593)
Moyan Liu1, Qin Huang1, Upmanu Lall2,3, Yeongbin Kwon4 and Hyun-Han Kwon5, (1)Arizona State University, School of Complex Adaptive Systems, Tempe, AZ, United States, (2)Columbia University, Earth and Environmental Engineering, New York, United States, (3)Arizona State University, Water Institute, School of Complex Adaptive Systems, Tempe, United States, (4)Seoul National University, Civil & Environmental Engineering, Seoul, South Korea, (5)Sejong University, Department of Civil and Environmental Engineering, Seoul, South Korea
 
Marine Low Clouds Detection Under Complex Cloud Vertical Structures Using Satellite Observations (1986308)
Shiwen Teng, Ocean University of China, Qingdao, China and Chao Liu, Nanjing University of Information Science and Technology, Nanjing, China
See more of: Global Environmental Change
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