| United States. Congress. Senate. Committee on Commerce, Science, and Transportation - 1990 - 68 pages
...globe. • The size of this warming is broadly consistent with predictions of climate models, but it a also of the same magnitude as natural climate variability....observations is not likely for a decade or more. • There is no firm evidence that climate has become more variable over the last few decades. However, with... | |
| United States. Congress. Senate. Committee on Energy and Natural Resources - 1991 - 116 pages
...increased by 10-20 cm. These increases have not been smooth with time, nor uniform over the globe. The size of this warming is broadly consistent with...observations is not likely for a decade or more." In addition, the recent study by the National Academy of Sciences concluded that "there is a reasonable... | |
| 1992 - 260 pages
...then the implied climate sensitivity would be near the lower end of the range inferred from models. Thus, the observed increase could be largely due to...from observations is not likely for a decade or more. Measurements from ice cores going back 160,000 years show that the Earth's temperature closely paralleled... | |
| 152 pages
...magnitude as natural climate variability. Thus, the observed temperature increase could be largely due to natural variability; alternatively, this variability...greenhouse effect from observations is not likely fora decade or more. In 1985, according to estimates for the IPCC Working Group III, three-fourths... | |
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