| 来源类型 | Article |
| 规范类型 | 其他 |
| DOI | 10.1126/science.277.5323.215 |
| Glacial cycles and astronomical forcing. | |
| Muller RA; MacDonald GJ | |
| 发表日期 | 1997 |
| 出处 | Science 277 (5323): 215-218 |
| 出版年 | 1997 |
| 语种 | 英语 |
| 摘要 | Narrow spectral features in ocean sediment records offer strong evidence that the cycles of glaciation were driven by astronomical forces. Two million years ago, the cycles match the 41,000-year period of Earth's obliquity. This supports the Croll/Milankovitch theory, which attributes the cycles to variations in insolation. But for the past million years, the spectrum is dominated by a single 100,000-year feature and is a poor match to the predictions of insolation models. The spectrum can be accounted for by a theory that derives the cycles of glaciation from variations in the inclination of Earth's orbital plane. |
| 主题 | Directorate (DIR) |
| URL | http://pure.iiasa.ac.at/id/eprint/5102/ |
| 来源智库 | International Institute for Applied Systems Analysis (Austria) |
| 引用统计 | |
| 资源类型 | 智库出版物 |
| 条目标识符 | http://119.78.100.153/handle/2XGU8XDN/127637 |
| 推荐引用方式 GB/T 7714 | Muller RA,MacDonald GJ. Glacial cycles and astronomical forcing.. 1997. |
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