The Impact of Extreme Weather Events on the Fluxes of Greenhouse Gases in Terrestrial Ecosystems

A special issue of Climate (ISSN 2225-1154).

Deadline for manuscript submissions: closed (31 March 2024) | Viewed by 1902

Special Issue Editors


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Guest Editor
Department of Meteorology and Climatology, Faculty of Geography, Moscow State University, 119991 Moscow, Russia
Interests: ENSO mechanismand non-linearities; tropical-midlatitude and interbasins teleconnections; MJO, synoptical meteorology
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Guest Editor
Department of Meteorology and Climatology, Faculty of Geography, Lomonosov Moscow State University, 119991 Moscow, Russia
Interests: climate change; carbon cycle; greenhouse fluxes; mathematical modeling; remote sensing; field flux measurements
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In recent decades, the frequency of extreme weather events such as heat waves, catastrophic droughts, heavy precipitation, etc., has increased significantly worldwide. These events can have extremely negative impacts on terrestrial ecosystems. They can lead to changes in ecosystem functioning and structure, result in increased vulnerability and, in some extreme cases, lead to ecosystem collapse. All alterations in ecosystem structure and functioning lead to changes in greenhouse gas (GHG) fluxes between terrestrial ecosystems and the atmosphere, which can affect the climate system at various spatial and temporal scales.

The aim of this Special Issue is to collate recent achievements in the study of extreme weather events and the GHG fluxes of terrestrial ecosystems in different geographical areas, from the tropics to the polar regions. In recent decades, a number of experimental and modeling studies have been carried out to analyze not only the temporal and spatial variability of extreme weather events, but also their possible direct and indirect impacts on terrestrial ecosystems and the feedback of changes in land use and vegetation patterns on climate. Nevertheless, a number of crucial questions, such as those pertaining to land–surface interactions, the direct and indirect response of different terrestrial ecosystems to external forcings, the sensitivity of atmospheric fluxes to environmental changes in different geographical areas, etc., remain open and require new, multifaceted studies.

For this Special Issue, we invite scientists working in the fields of meteorology and climatology, atmospheric physics, ecology, biogeochemistry, etc., to contribute new aggregated studies focusing extreme weather events, land surface–atmosphere interactions, and the impact of extreme weather events on GHG fluxes at different spatial (from ecosystem to global) and temporal scales. Contributions may include, but are not limited to, the following: extreme weather events under a changing climate; the response of terrestrial ecosystems to extreme weather events using field and model studies; long-term studies of GHG fluxes in different terrestrial ecosystems; extreme weather events and wildfires; and statistical analysis of long-term meteorological data sets, etc.

Dr. Daria Gushchina
Prof. Dr. Alexander Olchev
Guest Editors

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Keywords

  • extreme weather events
  • greenhouse gas (GHG) fluxes
  • heat waves
  • terrestrial ecosystems
  • field measurements
  • climate modeling

Published Papers (1 paper)

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Research

31 pages, 10443 KiB  
Article
The Response of Daily Carbon Dioxide and Water Vapor Fluxes to Temperature and Precipitation Extremes in Temperate and Boreal Forests
by Daria Gushchina, Maria Tarasova, Elizaveta Satosina, Irina Zheleznova, Ekaterina Emelianova, Ravil Gibadullin, Alexander Osipov and Alexander Olchev
Climate 2023, 11(10), 206; https://doi.org/10.3390/cli11100206 - 12 Oct 2023
Viewed by 1631
Abstract
Forest ecosystems in the mid-latitudes of the Northern Hemisphere are significantly affected by frequent extreme weather events. How different forest ecosystems respond to these changes is a major challenge. This study aims to assess differences in the response of daily net ecosystem exchange [...] Read more.
Forest ecosystems in the mid-latitudes of the Northern Hemisphere are significantly affected by frequent extreme weather events. How different forest ecosystems respond to these changes is a major challenge. This study aims to assess differences in the response of daily net ecosystem exchange (NEE) of CO2 and latent heat flux (LE) between different boreal and temperate ecosystems and the atmosphere to extreme weather events (e.g., anomalous temperature and precipitation). In order to achieve the main objective of our study, we used available reanalysis data and existing information on turbulent atmospheric fluxes and meteorological parameters from the global and regional FLUXNET databases. The analysis of NEE and LE responses to high/low temperature and precipitation revealed a large diversity of flux responses in temperate and boreal forests, mainly related to forest type, geographic location, regional climate conditions, and plant species composition. During the warm and cold seasons, the extremely high temperatures usually lead to increased CO2 release in all forest types, with the largest response in coniferous forests. The decreasing air temperatures that occur during the warm season mostly lead to higher CO2 uptake, indicating more favorable conditions for photosynthesis at relatively low summer temperatures. The extremely low temperatures in the cold season are not accompanied by significant NEE anomalies. The response of LE to temperature variations does not change significantly throughout the year, with higher temperatures leading to LE increases and lower temperatures leading to LE reductions. The immediate response to heavy precipitation is an increase in CO2 release and a decrease in evaporation. The cumulative effect of heavy precipitations is opposite to the immediate effect in the warm season and results in increased CO2 uptake due to intensified photosynthesis in living plants under sufficient soil moisture conditions. Full article
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