Key Processes in CH4 dynamics in wetlands and possible shifts with climate change

Hojeong Kang, Inyoung Jang, Sunghyun Kim

Research output: Chapter in Book/Report/Conference proceedingChapter

4 Citations (Scopus)

Abstract

Wetlands are a substantial source of CH 4 production due to emissions during anaerobic conditions in inundated sediments. Knowledge of the factors that affect CH 4 flux in wetlands is very important in estimating CH 4 dynamics and predicting future changes in global climate. This paper reviews approaches for the estimation of the controlling variables of CH 4 dynamics in wetlands. CH 4 emissions from wetlands are mainly dependent on the combined effects of temperature, water level, carbon supply, and presence/productivity of vegetation. Changes in temperature affect CH 4 emission not only by a direct in fluence on methanogens but also by modifying the quantity of carbon substrates from primary production and organic matter decomposition. Water level fluctuation is another key factor affecting CH 4 flux, which can modify methane dynamics by inhibiting or activating methanogens as well as methanotrophic bacteria. Vegetation functions as a conduit for CH 4 release and a key carbon supplier for methanogens. Global climate change is expected to modify all of these factors in addition to contributing directly to CO 2 emission and fertilization effects. The consequences of any changes in CO 2 emission level from wetlands would be additional shifts in the amount and regional distribution of CH 4 emissions from wetlands.

Original languageEnglish
Title of host publicationGlobal Change and the Function and Distribution of Wetlands
PublisherSpringer Netherlands
Pages99-114
Number of pages16
ISBN (Electronic)9789400744943
ISBN (Print)9789400744936
DOIs
Publication statusPublished - 2012 Jan 1

Fingerprint

Wetlands
Climate Change
methane
wetlands
wetland
climate change
methanogens
Carbon
Carbon Monoxide
global climate
carbon
water level
vegetation
Temperature
Water
Methane
Climate
Fertilization
anaerobic conditions
anoxic conditions

All Science Journal Classification (ASJC) codes

  • Agricultural and Biological Sciences(all)
  • Environmental Science(all)

Cite this

Kang, H., Jang, I., & Kim, S. (2012). Key Processes in CH4 dynamics in wetlands and possible shifts with climate change. In Global Change and the Function and Distribution of Wetlands (pp. 99-114). Springer Netherlands. https://doi.org/10.1007/978-94-007-4494-3_3
Kang, Hojeong ; Jang, Inyoung ; Kim, Sunghyun. / Key Processes in CH4 dynamics in wetlands and possible shifts with climate change. Global Change and the Function and Distribution of Wetlands. Springer Netherlands, 2012. pp. 99-114
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Kang, H, Jang, I & Kim, S 2012, Key Processes in CH4 dynamics in wetlands and possible shifts with climate change. in Global Change and the Function and Distribution of Wetlands. Springer Netherlands, pp. 99-114. https://doi.org/10.1007/978-94-007-4494-3_3

Key Processes in CH4 dynamics in wetlands and possible shifts with climate change. / Kang, Hojeong; Jang, Inyoung; Kim, Sunghyun.

Global Change and the Function and Distribution of Wetlands. Springer Netherlands, 2012. p. 99-114.

Research output: Chapter in Book/Report/Conference proceedingChapter

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Kang H, Jang I, Kim S. Key Processes in CH4 dynamics in wetlands and possible shifts with climate change. In Global Change and the Function and Distribution of Wetlands. Springer Netherlands. 2012. p. 99-114 https://doi.org/10.1007/978-94-007-4494-3_3