the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Modulation of springtime surface sensible heating over the Tibetan Plateau on the interannual variability of East Asian dust cycle
Anmin Duan
Zhengguo Shi
Xinzhou Li
Xiaodong Liu
Xugeng Cheng
Tianliang Zhao
Huizheng Che
Yangang Liu
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For 1 century, the hemispheric summer insolation is proposed as a key pacemaker of astronomical climate change. However, an increasing number of geologic records reveal that the low-latitude hydrological cycle shows asynchronous precessional evolutions that are very often out of phase with the summer insolation. Here, we propose that the astronomically driven low-latitude hydrological cycle is not paced by summer insolation but by shifting perihelion.
Our research explored changes in ozone levels in the northwest Pacific region over 30 years, revealing a significant increase in the middle-to-upper troposphere, especially during spring and summer. This rise is influenced by both stratospheric and tropospheric sources, which affect climate and air quality in East Asia. This work underscores the need for continued study to understand underlying mechanisms.
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