| Intergovernmental Panel on Climate Change - 1996 - 594 pages
...concentrations be stabilised in the future? If global CO2 emissions were maintained at near current ( 1 994) levels, they would lead to a nearly constant rate...centuries, reaching about 500 ppmv (approaching twice the pre-industrial concentration of 280 ppmv) by the end of the 21st century. In IPCC (1994), carbon... | |
| Prue Taylor - 1998 - 462 pages
...carbon dioxide it stated that:97 If carbon dioxide emissions are maintained at near current (1994) levels, they would lead to a nearly constant rate...centuries, reaching about 500 ppmv (approaching twice the pre-industrial concentration of 280 ppmv) by the end of the 21st century. A range of carbon cycle... | |
| G. O. Obasi, E. Dowdeswell - 1998 - 72 pages
...forcing during the 21st century. • If carbon dioxide emissions were maintained at near current (1994) levels, they would lead to a nearly constant rate...centuries, reaching about 500 ppmv (approaching twice the pre-industrial concentration of 280 ppmv) by the end of the 21st century. • A range of carbon... | |
| Joyce E. Penner, David Lister, David J. Griggs, David J. Dokken, Mack McFarland - 1999 - 392 pages
...centuries). As a result of this, if carbon dioxide emissions were maintained at near current (1994) levels, they would lead to a nearly constant rate...for at least two centuries, reaching about 500 ppmv (approximately twice the pre-industrial concentration of 280 ppmv) by the end of the 21st century.... | |
| David E. Lorey - 2003 - 342 pages
...(about 7 GtC/yr including emissions from fossil-fuel combustion, cement production and land-use change), they would lead to a nearly constant rate of increase...centuries, reaching about 500 ppmv (approaching twice the preindustrial concentration of 280 ppmv) by the end of the 21st century. Carbon cycle models show... | |
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