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| DOI | 10.1038/s41598-024-55176-5 |
| Amazon savannization and climate change are projected to increase dry season length and temperature extremes over Brazil | |
| 发表日期 | 2024 |
| ISSN | 2045-2322 |
| 起始页码 | 14 |
| 结束页码 | 1 |
| 卷号 | 14期号:1 |
| 英文摘要 | Land use change and atmospheric composition, two drivers of climate change, can interact to affect both local and remote climate regimes. Previous works have considered the effects of greenhouse gas buildup in the atmosphere and the effects of Amazon deforestation in atmospheric general circulation models. In this study, we investigate the impacts of the Brazilian Amazon savannization and global warming in a fully coupled ocean-land-sea ice-atmosphere model simulation. We find that both savannization and global warming individually lengthen the dry season and reduce annual rainfall over large tracts of South America. The combined effects of land use change and global warming resulted in a mean annual rainfall reduction of 44% and a dry season length increase of 69%, when averaged over the Amazon basin, relative to the control run. Modulation of inland moisture transport due to savannization shows the largest signal to explain the rainfall reduction and increase in dry season length over the Amazon and Central-West. The combined effects of savannization and global warming resulted in maximum daily temperature anomalies, reaching values of up to 14 degrees C above the current climatic conditions over the Amazon. Also, as a consequence of both climate drivers, both soil moisture and surface runoff decrease over most of the country, suggesting cascading negative future impacts on both agriculture production and hydroelectricity generation. |
| 语种 | 英语 |
| WOS研究方向 | Science & Technology - Other Topics |
| WOS类目 | Multidisciplinary Sciences |
| WOS记录号 | WOS:001179043600041 |
| 来源期刊 | SCIENTIFIC REPORTS
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/288346 |
| 作者单位 | Universidade Federal de Mato Grosso do Sul; Fundacao Oswaldo Cruz; Universidade de Sao Paulo |
| 推荐引用方式 GB/T 7714 | . Amazon savannization and climate change are projected to increase dry season length and temperature extremes over Brazil[J],2024,14(1). |
| APA | (2024).Amazon savannization and climate change are projected to increase dry season length and temperature extremes over Brazil.SCIENTIFIC REPORTS,14(1). |
| MLA | "Amazon savannization and climate change are projected to increase dry season length and temperature extremes over Brazil".SCIENTIFIC REPORTS 14.1(2024). |
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