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| DOI | 10.1038/s41561-024-01453-x |
| Global groundwater warming due to climate change | |
| 发表日期 | 2024 |
| ISSN | 1752-0894 |
| EISSN | 1752-0908 |
| 英文摘要 | Aquifers contain the largest store of unfrozen freshwater, making groundwater critical for life on Earth. Surprisingly little is known about how groundwater responds to surface warming across spatial and temporal scales. Focusing on diffusive heat transport, we simulate current and projected groundwater temperatures at the global scale. We show that groundwater at the depth of the water table (excluding permafrost regions) is conservatively projected to warm on average by 2.1 degrees C between 2000 and 2100 under a medium emissions pathway. However, regional shallow groundwater warming patterns vary substantially due to spatial variability in climate change and water table depth. The lowest rates are projected in mountain regions such as the Andes or the Rocky Mountains. We illustrate that increasing groundwater temperatures influences stream thermal regimes, groundwater-dependent ecosystems, aquatic biogeochemical processes, groundwater quality and the geothermal potential. Results indicate that by 2100 following a medium emissions pathway, between 77 million and 188 million people are projected to live in areas where groundwater exceeds the highest threshold for drinking water temperatures set by any country. Model projections suggest that shallow groundwater temperatures will increase by 2.1 degrees C by the end of the century, with groundwater expected to exceed drinkable temperatures in a number of populated regions under a medium-emissions pathway. |
| 语种 | 英语 |
| WOS研究方向 | Geology |
| WOS类目 | Geosciences, Multidisciplinary |
| WOS记录号 | WOS:001238627700002 |
| 来源期刊 | NATURE GEOSCIENCE
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/287711 |
| 作者单位 | Dalhousie University; Dalhousie University; Helmholtz Association; Karlsruhe Institute of Technology; Charles Darwin University; University of Newcastle; Martin Luther University Halle Wittenberg; Helmholtz Association; Karlsruhe Institute of Technology; University of Vienna |
| 推荐引用方式 GB/T 7714 | . Global groundwater warming due to climate change[J],2024. |
| APA | (2024).Global groundwater warming due to climate change.NATURE GEOSCIENCE. |
| MLA | "Global groundwater warming due to climate change".NATURE GEOSCIENCE (2024). |
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