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| DOI | 10.1016/j.scitotenv.2024.169963 |
| Soil freeze-thaw cycles affect spring phenology by changing phenological sensitivity in the Northern Hemisphere | |
| 发表日期 | 2024 |
| ISSN | 0048-9697 |
| EISSN | 1879-1026 |
| 起始页码 | 914 |
| 卷号 | 914 |
| 英文摘要 | The use of frozen soil-vegetation feedback for predictive models is undergoing enormous changes under rapid climate warming. However, the influence of soil freeze-thaw (SFT) cycles on vegetation phenology and the underlying mechanisms remain poorly understood. By synthesizing a variety of satellite-derived data from 2002 to 2021 in the Northern Hemisphere (NH), we demonstrated a widespread positive correlation between soil thawing and the start of the growing season (SOS). Our results also showed that the SFT cycles had a significant impact on vegetation phenology mainly by altering the phenological sensitivities to daytime and nighttime temperatures, solar radiation and precipitation. Moreover, the effects of SFT cycles on the sensitivity of the SOS were more pronounced than those on the sensitivity of the end of the growing season (EOS) and the length of growing season (LOS). Furthermore, due to the degradation of frozen soil, the changes in phenological sensitivity in the grassland and tundra biomes were significantly larger than those in the forest. These findings highlighted the importance of incorporating the SFT as an intermediate process into process-based phenological models. |
| 英文关键词 | Soil freeze-thaw; Vegetation phenology; Phenological sensitivity; Climate change; Vegetation biomes; Northern Hemisphere |
| 语种 | 英语 |
| WOS研究方向 | Environmental Sciences & Ecology |
| WOS类目 | Environmental Sciences |
| WOS记录号 | WOS:001166477100001 |
| 来源期刊 | SCIENCE OF THE TOTAL ENVIRONMENT
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/294045 |
| 作者单位 | Chinese Academy of Sciences; Research Center for Eco-Environmental Sciences (RCEES); Chinese Academy of Sciences; University of Chinese Academy of Sciences, CAS; Nanjing Agricultural University; Chinese Academy of Sciences; Research Center for Eco-Environmental Sciences (RCEES) |
| 推荐引用方式 GB/T 7714 | . Soil freeze-thaw cycles affect spring phenology by changing phenological sensitivity in the Northern Hemisphere[J],2024,914. |
| APA | (2024).Soil freeze-thaw cycles affect spring phenology by changing phenological sensitivity in the Northern Hemisphere.SCIENCE OF THE TOTAL ENVIRONMENT,914. |
| MLA | "Soil freeze-thaw cycles affect spring phenology by changing phenological sensitivity in the Northern Hemisphere".SCIENCE OF THE TOTAL ENVIRONMENT 914(2024). |
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