Global distribution of natural freshwater wetlands and rice paddies, their net primary productivity, seasonality and possible methane emissions

The geographic distribution, seasonality, and methane emissions of natural wetlands and rice paddies have been investigated. At a spatial resolution of 2.5 degree latitude and 5 degree longitude, global coverage of wetlands totals 5.7 x 10 super(6) sq km and coverage of rice paddies totals 1.3 x 10...

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Bibliographic Details
Published in:Journal of atmospheric chemistry 1989-05, Vol.8 (4), p.307-358
Main Authors: Aselmann, I. (Max-Planck-Institute for Chemistry, Mainz (Germany, F.R.). Div. of Atmospheric Chemistry), Crutzen, P.J
Format: Article
Language:English
Subjects:
ARROZ
BIOLOGICAL PRODUCTION
Chemical composition and interactions. Ionic interactions and processes
Earth, ocean, space
Exact sciences and technology
External geophysics
GEOGRAFIA
GEOGRAPHIE
GEOGRAPHY
METANO
Meteorology
METHANE
PRODUCCION BIOLOGICA
PRODUCTION BIOLOGIQUE
RICE
RIZ
SEASONAL VARIATION
TERRE HUMIDE
TIERRAS HUMEDAS
VARIACION ESTACIONAL
VARIATION SAISONNIERE
WETLANDS
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Summary:The geographic distribution, seasonality, and methane emissions of natural wetlands and rice paddies have been investigated. At a spatial resolution of 2.5 degree latitude and 5 degree longitude, global coverage of wetlands totals 5.7 x 10 super(6) sq km and coverage of rice paddies totals 1.3 x 10 super(6) sq km. Methane production for wetlands and rice paddies was estimated at 40 to 160 teragrams and 60 to 140 teragrams, respectively, although further investigation is required to better understand the ecophysiological principals of these emissions.
ISSN:0167-7764
1573-0662
DOI:10.1007/BF00052709