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  • Methane flux measurements: methods and results.

    Author(s) : Schütz, H.Seiler, W.

    Author Affiliation : Fraunhofer-Institut für Atmosphärische Umweltforschung, 8100 Garmisch-Partenkirchen, Germany.

    Editors : Andreae, M. O.Schimel, D. S.

    Book chapter : Exchange of trace gases between terrestrial ecosystems and the atmosphere. 1989 pp.209-228 ref.76

    Abstract : Techniques for the measurement of CH4 fluxes from (or to) soils, sediments, and the digestive tract of animals and humans are reviewed. The most frequently employed technique in soilsoilSubject Category: Miscellaneous
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    /sediment studies is the closed (static) chamber (box) technique. Open chambers are primarily used in animal studies. High areal and temporal variations of CH4 flux rates (over 5 orders of magnitude) have been found in wetland environments; therefore, comparative and continuous measurements are required to obtain reliable average flux rates. From the data presently available, biogenic CH4 from natural wetlands, rice paddies, and ruminants represents the predominant global source for atmospheric CH4.

    ISBN : 0471925519

    Record Number : 19911959470

    Publisher : John Wiley & Sons

    Location of publication : Chichester

    Country of publication : UK

    Language of text : English

    Language of summary : English

    Indexing terms for this abstract:

    Descriptor(s) : atmosphereatmosphereSubject Category: Miscellaneous
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    , determinationdeterminationSubject Category: Techniques, Methodologies and Equipment
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    , ecosystemsecosystemsSubject Category: Habitats
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    , emissionemissionSubject Category: Miscellaneous
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    , gas exchangegas exchangeSubject Category: Miscellaneous
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    , methanemethaneSubject Category: Chemicals and Chemical Groups
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    , Organic compoundsorganic compoundsSubject Category: Chemicals and Chemical Groups
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    , reviewsreviewsSubject Category: Publications
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    , soilsoilSubject Category: Miscellaneous
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    Identifier(s) : organic chemicals