Public Seminar by Earth, Ocean and Atmospheric Sciences (EOAS) Thrust, Function Hub, HKUST(GZ) - Land-Atmosphere Exchange of Biogenic Volatile Organic Compounds Under Climate Change
Supporting the below United Nations Sustainable Development Goals:支持以下聯合國可持續發展目標：支持以下联合国可持续发展目标：
Biogenic Volatile Organic Compounds (BVOCs) are highly reactive trace gases in the atmosphere, originating primarily from natural interfaces such as terrestrial vegetation, soils, and oceans. These compounds play a crucial role in atmospheric chemistry by consuming OH radicals, extending the lifetimes of other atmospheric pollutants and greenhouse gases; reacting with nitrogen oxides (NOx) to produce photochemical smog; and forming organic aerosols and cloud condensation nuclei, thus influencing Earth's radiation balance. Global change has led to significant alterations in typical BVOC exchange processes and the emergence of new land-atmosphere exchange hotspots, including melting permafrost and deepening active layers in the cryosphere. This seminar delves into the land-atmosphere exchange of BVOCs, and will cover three main aspects: (1) Investigation of BVOC exchange at land-atmosphere interfaces across various scales via field observations and lab-based simulations; (2) Examination of BVOC exchanges at land-atmosphere interfaces sensitive to climate change; (3) Discovery of new mechanisms on BVOC production and consumption controlled by metal catalysis and microbial activities. These studies have deepened our understanding of the BVOC land-atmosphere exchange processes.
Dr. Yi Jiao is currently a Marie Curie postdoctoral fellow at the Center for Volatile Interactions, University of Copenhagen, Denmark. He graduated with a bachelor's degree in Environmental Science and Engineering from the University of Science and Technology of China in 2014 and obtained his PhD from the Geography Department at the University of California, Berkeley, in 2021. His research mainly focuses on quantifying the sources and sinks of important trace gases such as VOCs, unraveling the biological and environmental control factors, identifying their physicochemical and biochemical mechanisms, and assessing their relationships with land use and climate change. To date, he has (co)authored and published 15 peer-reviewed papers in this direction, some of which are published in comprehensive or earth & environment journals such as Nature Communications, Geophysical Research Letters, Soil Biology & Biochemistry, etc. He is also a recipient of the Chinese Government Award for Outstanding Self-financed Students Abroad.
For enquiries, please contact Miss Phoenix Li (phoenixwfl@hkust-gz.edu.cn).