Abnormal Weather, Climate Events and Their Effects on Ecosystems

Dear Colleagues,

Under the impact of climate change, more abnormal events with large intensity and great impact are taking place over the globe. A variety of events, such as tropical cyclones, heat waves, forest fires, volcano eruption, drought, extreme precipitation, and dust, among others, are posing great threats to the wellbeing of terrestrial and aquatic ecosystems. However, the identification and forecasting of abnormal events and understanding their impact on ecosystems remains a challenging scientific question.

During the past few decades, there have been numerous abnormal events in different regions around the world. The unprecedented forest fires in Australia happened over more than six months from 2019 to 2020 and largely impacted the biotic life in the forest and released intensive atmospheric pollution. As another example, Asian dust swept the entire continent, leading to poor air quality in the cities along its pathway. Climate changes induce more frequent and intensive tropical cyclones, droughts and extreme precipitation events. Simultaneously, these events are largely influential on terrestrial and aquatic ecosystems. For example, phytoplankton growth in the ocean was triggered by the fire-induced atmospheric deposition, which accelerated the oceanic carbon fixation and mitigated the further climatic impacts. In addition, during major explosive eruptions huge amounts of volcanic gas, aerosol droplets, and ash are injected into the stratosphere. Volcanic gases like sulfur dioxide can cause global cooling, while volcanic carbon dioxide, a greenhouse gas, has the potential to promote global warming.

The goal of this Special Issue is to encourage new studies seeking to identify abnormal events, investigating their ecological effects and increasing the credibility to make prediction for the future Earth system. We warmly welcome papers on relevant topics using various techniques with observations and simulations.

Dr. Yuntao Wang
Dr. Xuehua Fan
Guest Editors

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• climate change
• abnormal events
• atmospheric deposition
• marine ecosystem
• remote sensing
• modeling