By M. A. K. Khalil (auth.), M. A. K. Khalil (eds.)
Methane performs many very important roles within the earth's setting. it's a powerful "greenhouse gasoline" that warms the earth; controls the oxidizing ability of the ambience (OH) in some way affecting the cycles and abundances of many atmospheric hint gases; presents water vapor to the stratosphere; scavenges chlorine atoms from the stratosphere, terminating the catalytic ozone destruction via chlorine atoms, together with the chlorine published from the man-made chlorofluorocarbons; produces ozone, CO, and CO2 within the troposphere; and it's an index of existence in the world and so is found in better amounts in the course of hot interglacial epochs and dwindles to low degrees in the course of the chilly of ice a long time. through all measures, methane is the second one basically to CO2 in inflicting destiny international warming. The publication provides a finished account of the present figuring out of atmospheric methane, and it really is an finish aspect for summarizing greater than a decade of in depth examine at the international resources, sinks, concentrations, and environmental function of methane.
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Extra info for Atmospheric Methane: Sources, Sinks, and Role in Global Change
Fitzjarrald. 1992. Micrometeorological measurements of CH4 and CO exchange between the atmosphere and the arctic tundra. I. Geophys. , 97:16,627-16,643. H. Duyzer. 1989. Micrometeorological techniques for the measurement of trace gas exchange. In: Exchange of Trace Gases between Terrestrial Ecosystems and the Atmosphere. O. S. ), Wiley, Chichester, pp 189-207. , P. AK. Khalil. 1986. Methane, carbon monoxide and methylchloroform in the southern hemisphere. 1. Atmos. , 4:3-42. , B. Thebrath, R Conrad.
However, these methods are not suitable to assess the methane oxidation, which is potentially active in a shallow oxic layer around the rice roots. , 1989b). The latter studies mostly relied on retrieving of soil samples from the field and thus may be biased by sampling artifacts. , 1992). At present, no feasible technique is available to determine the gross fluxes of methane in rice soil under field conditions. Inhibitors of methane-oxidizing bacteria could be applied to the soil, but difficulties arise in distributing the inhibitor homogeneously into the soil and in assessing the effectivity and specificity of the inhibitor under field conditions.
1978. Soils and Rice, International Rice Research Institute, Los Banos (Phillippines), 82 pp. 33 IRRI. 1987. Physical Measurements in Flooded Rice Soils, International Rice Research Institute, Los Banos (Philippines), 65 pp. A 1987. Mechanisms and observations for isotope fractionations of Rev. Geophysics, molecular species in planetary atmospheres. 25:1,609-1,658. R. Fried. 1969. Avionics Navigation Systems, Wiley, New York, 666 pp. A Rasmussen. 1988. Trace gases over the western Atlantic Ocean: Fluxes from the eastern United States and distributions in and above the planetary boundary layer.
Atmospheric Methane: Sources, Sinks, and Role in Global Change by M. A. K. Khalil (auth.), M. A. K. Khalil (eds.)