Review on Sources and Sinks of Main GHGes in Atmosphere

Abstract:

Global warming is one of the key fields of global change ecology．The sources and sinks of the Greenhouse Gases (GHGes) in the atmosphere：which result in climate warming have been widely investigated around the world in the last 1 0 years．In this paper, sources and sinks of main GHGes in the atmosphere(CO2，CH4，N20)were reviewed．It is believed that the emission／uptake flux of the 3 GHGes between the atmosphere and various ecosystems were not precisely quauntified yet and there are some uncertainties with aspect to the：kind of source and sink．By analyzing related literature, the trends of international：research on the source and sink of the main GHGes were summarized as follows：more and more advanced instruments have been used in the research，more an d more regions have been investigated，more and more concerns have been on the response of emission／uptake flux of the 3 GHGes to the global change an d integrated research comprising ecology ,soil biology, meteorology, microbiology, atmospheric physics，etc．In our country, the research on source and sink of the 3 GHGes were developed since 1 980s．Compared with advanced countries，our related researches were conducted in fewer sites with less frequency and were less systematic． the rapid development so far involved CH4 emission from rice paddies, wetlands, CH4 and N2O emissions from the study of loess - paleosol sequence composition characteristics of greenhouse gases, and forest, agriculture, Soil CO2 emission and absorption of research in the field.

• Periodical: Applied Mechanics and Materials (Volume 730)
• Pages: 213-220
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.730.213
• Online since: January 2015
• Authors: Zhi Qiang Yu*, Yi Feng Wang
• Keywords: GHGes, Review, Sink, Source

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