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| DOI | 10.5194/hess-28-2081-2024 |
| Broadleaf afforestation impacts on terrestrial hydrology insignificant compared to climate change in Great Britain | |
| 发表日期 | 2024 |
| ISSN | 1027-5606 |
| EISSN | 1607-7938 |
| 起始页码 | 28 |
| 结束页码 | 9 |
| 卷号 | 28期号:9 |
| 英文摘要 | Widespread afforestation has been proposed internationally to reduce atmospheric carbon dioxide; however, the specific hydrological consequences and benefits of such large-scale afforestation (e.g. natural flood management) are poorly understood. We use a high-resolution land surface model, the Joint UK Land Environment Simulator (JULES), with realistic potential afforestation scenarios to quantify possible hydrological change across Great Britain in both present and projected climate. We assess whether proposed afforestation produces significantly different regional responses across regions; whether hydrological fluxes, stores and events are significantly altered by afforestation relative to climate; and how future hydrological processes may be altered up to 2050. Additionally, this enables determination of the relative sensitivity of land surface process representation in JULES compared to climate changes. For these three aims we run simulations using (i) past climate with proposed land cover changes and known floods and drought events; (ii) past climate with independent changes in precipitation, temperature, and CO 2 ; and (iii) a potential future climate (2020-2050). We find the proposed scale of afforestation is unlikely to significantly alter regional hydrology; however, it can noticeably decrease low flows whilst not reducing high flows. The afforestation levels minimally impact hydrological processes compared to changes in precipitation, temperature, and CO 2 . Warming average temperatures ( + 3 degrees C) decreases streamflow, while rising precipitation (130 %) and CO 2 (600 ppm) increase streamflow. Changes in high flow are generated because of evaporative parameterizations, whereas low flows are controlled by runoff model parameterizations. In this study, land surface parameters within a land surface model do not substantially alter hydrological processes when compared to climate. |
| 语种 | 英语 |
| WOS研究方向 | Geology ; Water Resources |
| WOS类目 | Geosciences, Multidisciplinary ; Water Resources |
| WOS记录号 | WOS:001217822600001 |
| 来源期刊 | HYDROLOGY AND EARTH SYSTEM SCIENCES
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| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/300978 |
| 作者单位 | University of Oxford; UK Centre for Ecology & Hydrology (UKCEH) |
| 推荐引用方式 GB/T 7714 | . Broadleaf afforestation impacts on terrestrial hydrology insignificant compared to climate change in Great Britain[J],2024,28(9). |
| APA | (2024).Broadleaf afforestation impacts on terrestrial hydrology insignificant compared to climate change in Great Britain.HYDROLOGY AND EARTH SYSTEM SCIENCES,28(9). |
| MLA | "Broadleaf afforestation impacts on terrestrial hydrology insignificant compared to climate change in Great Britain".HYDROLOGY AND EARTH SYSTEM SCIENCES 28.9(2024). |
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