Global analysis of the potential for N 2 O production in natural soils

Global analysis of the potential for N 2 O production in natural soils A simple global model of the production potential of nitrous oxide (N2O) in natural soils is developed to analyze the relative importance, both geographically and seasonally, of the different controls on N2O production at the global scale. Five major controls on N2O production are included: (1) input of organic matter, (2) soil fertility, (3) soil moisture status, (4) temperature, and (5) soil oxygen status. Indices for the controls are derived from global gridded (1°×1° resolution) data bases of soil type, soil texture, NDVI and climate. The model explains close to 60% of the variability found in measurements reported at about 30 sites in six different ecosystems throughout the world. Although this result is reasonable for global analyses, the correlation is considered insufficient to make global estimates of nitrous oxide emission with confidence. The model confirms conclusions from earlier studies that the major source regions of nitrous oxide are in the tropics. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Global Biogeochemical Cycles Wiley

Global analysis of the potential for N 2 O production in natural soils

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Publisher
Wiley
Copyright
Copyright © 1993 by the American Geophysical Union.
ISSN
0886-6236
eISSN
1944-9224
D.O.I.
10.1029/93GB01186
Publisher site
See Article on Publisher Site

Abstract

A simple global model of the production potential of nitrous oxide (N2O) in natural soils is developed to analyze the relative importance, both geographically and seasonally, of the different controls on N2O production at the global scale. Five major controls on N2O production are included: (1) input of organic matter, (2) soil fertility, (3) soil moisture status, (4) temperature, and (5) soil oxygen status. Indices for the controls are derived from global gridded (1°×1° resolution) data bases of soil type, soil texture, NDVI and climate. The model explains close to 60% of the variability found in measurements reported at about 30 sites in six different ecosystems throughout the world. Although this result is reasonable for global analyses, the correlation is considered insufficient to make global estimates of nitrous oxide emission with confidence. The model confirms conclusions from earlier studies that the major source regions of nitrous oxide are in the tropics.

Journal

Global Biogeochemical CyclesWiley

Published: Sep 1, 1993

References

  • Semiannual losses of nitrogen as NO and N 2 O from unburned and burned chaparral
    Anderson, Anderson; Poth, Poth
  • Effects of different nitrogen fertilizers on emission of nitrous oxide from soil
    Breitenbeck, Breitenbeck; Blackmer, Blackmer; Bremner, Bremner
  • Seasonal variability in emission of nitrous oxide from soil
    Bremner, Bremner; Robbins, Robbins; Blackmer, Blackmer
  • Production of nitrous oxide and consumption of methane by forest soils
    Keller, Keller; Goreau, Goreau; Wofsy, Wofsy; Kaplan, Kaplan; McElroy, McElroy
  • Nitrous oxide flux following tropical land clearing
    Luizao, Luizao; Matson, Matson; Livingston, Livingston; Luizao, Luizao; Vitousek, Vitousek
  • Cross‐ecosystem comparisons of soil nitrogen and nitrous oxide flux in tropical ecosystems
    Matson, Matson; Vitousek, Vitousek
  • Methane emission from natural wetlands: Global distribution, area, and environmental characteristics of sources
    Matthews, Matthews; Fung, Fung
  • An artifact in the measurement of N 2 O from combustion sources
    Muzio, Muzio; Kramlich, Kramlich
  • Nitrous oxide flux from dry tropical forests
    Vitousek, Vitousek; Matson, Matson; Volkman, Volkman; Mass, Mass; Garcia, Garcia
  • Nutrient cycling in moist tropical forest
    Vitousek, Vitousek; Sanford, Sanford

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