Missing hot moments of greenhouse gases in Southern Amazonia

Abstract: The superlative environmental conditions in Southern Amazonia, i.e. high temperatures and annual rainfall, create ideal conditions for high soil organic matter turnover rates and therewith the soil-atmosphere exchanges of greenhouse gases. In this study, we present daily observations of soil-related carbon dioxide (CO2), nitrous oxide (N2O), and methane (CH4) emissions from the dominant land use types in Mato Grosso (cerrado, gallery forest, cattle pasture, and cropland under soybean) and Pará (rainforest and cattle pastures) during the early rain season. We followed the hypothesis that precipitation events provoke hot moments for CO2 and N2O, and lead to alternating uptake and emission for CH4, respectively. Observed fluxes differed significantly between land use types and underlying soil type. CO2 fluxes from soils under natural vegetation ranged from 101 mg m-2 h-1 in the cerrado to 160 mg C m-2 h-1 in the rainforest. Fluxes from cattle pastures varied between locations and were.... https://www.erdkunde.uni-bonn.de/article/view/2814

Object Details

• Location: Deutsche Nationalbibliothek Frankfurt am Main
• Extent: Online-Ressource
• Language: Englisch

References and Relationships

• Bibliographic citation: Missing hot moments of greenhouse gases in Southern Amazonia ; volume:71 ; number:3 ; year:2017 ; Erdkunde ; 71, Heft 3 (2017)

Contributors, Places and Time

• Creator: Meurer, Katharina H. E. ; Franko, Uwe ; Spott, Oliver ; Schützenmeister, Klaus ; Niehaus, Engelbert ; Stange, C. Florian ; Jungkunst, Hermann F.

Further information

• DOI: 10.3112/erdkunde.2017.03.03
• URN: urn:nbn:de:101:1-2410281747255.513423780377
• Rights: Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
• Last update: 15.08.2025, 7:30 AM CEST