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Global Climate Change Digest
A Guide to Information on Greenhouse Gases and Ozone Depletion
Published July 1988 through June 1999

FROM VOLUME 6, NUMBER 3, MARCH 1993

PROFESSIONAL PUBLICATIONS...
ANTHROPOGENIC EMISSIONS AND CONTROL: METHANE

Item #d93mar33

"The Greenhouse Effect and United States Landfill Methane," D. Augenstein (Emcon Assoc., 1921 Ringwood Ave., San José CA 95131), Global Environ. Change, 2(4), 311-328, Dec. 1992. Preliminary estimates suggest that landfill methane abatement is one of the more cost-effective measures for addressing the greenhouse problem.

Item #d93mar34

Two items from Soil Sci. Plant Nutrition, 38(4), Dec. 1992:

"Methane Production and its Fate in Paddy Fields. 1. Effects of Rice Straw Application and Percolation Rate on the Leaching of Methane and Other Soil Components into the Subsoil," M. Kimura (Sch. Agric., Nagoya Univ., Chikusa Ku, Nagoya 46401, Japan), Y. Miura et al., 665-672. Describes results of soil column experiments.

"Suppression of Methane Fluxes from Flooded Paddy Soil with Rice Plants by Foliar Spray of Nitrogen Fertilizers," M. Kimura (addr. immed. above), K. Asai et al., 735-740. Pot experiments evaluating effects of fertilizer type (ammonium sulfate, ammonium chloride, urea) and method of topdressing (broadcasting, foliar spray) show that topdressing of ammonium sulfate is best, considering both methane emissions and grain yield.

Item #d93mar35

"Gas Leakage in the United Kingdom," M.K. Wallis (Sch. Math., Univ. Wales, Cardiff CF2 4AG, UK), Nature, 359(6394), 355, Oct. 1, 1992. Letter calling for monitoring of methane leakage from the fuel industries, and extension of carbon/energy taxes to such leakage.

Item #d93mar36

"Flux Chamber Design and Operation for the Measurement of Municipal Solid Waste Landfill Gas Emission Rates," D.R. Reinhart (Civil Eng. Dept., Univ. Central Florida, POB 25000, Orlando FL 32816), D.C. Cooper, B.L. Walker, J. Air Waste Mgmt. Assoc., 42(8), 1067-1070, Aug. 1992.

Item #d93mar37

"Greenhouse Gas Contributions from Coal Mining in Australia and New Zealand," B.B. Beamish (Coalseam Gas Res. Inst., James Cook Univ., Townsville, Queensland 4811, Australia), W.E. Vance, J. Roy. Soc. N. Zealand, 2(2), 153-156, June 1992. This analysis shows that mining emissions of methane, CO₂ and CO are grossly miscalculated in greenhouse gas inventories. Methane emissions from coal seams are a wasted energy resource.

Item #d93mar38

"Methane Prediction in Dry and Lactating Holstein Cows," J.B. Holter (Dept. Animal Sci., Univ. New Hampshire, Durham NH 03824), A.J. Young, J. Dairy Sci., 75(8), 2165-2175, Aug. 1992.

Experiments on the effects of diet on methane emissions yield a predictive model suitable for evaluating the contribution of dairy cows to global warming.

Item #d93mar39

"Greenhouse Gas Emissions from Pasture and Arable Crops Grown on a Kairanga Soil in the Manawatu, North Island, New Zealand," J.R. Crush (N.Z. Pastoral Agr. Res. Inst. Ltd., Private Bag 11008, Palmerston, N.Z.), G.C. Waghorn, M.P. Rolston, N. Zealand J. Agric. Res., 35(3), 253-257, 1992.

Measurements over a three-year period show that no-tillage cropping of this site contributes much less methane and CO₂ to the atmosphere than either grazing with ruminants or cropping with cultivation.