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| DOI | 10.1016/j.ejrh.2024.101764 |
| Runoff variation in midstream Hei River, northwest China: Characteristics and driving factors analysis | |
| 发表日期 | 2024 |
| EISSN | 2214-5818 |
| 起始页码 | 53 |
| 卷号 | 53 |
| 英文摘要 | Study region: The midstream of the Hei River Basin (HRB). Study focus: The study investigated the changes in hydrological elements at different time scales in the basin from 1982 to 2020. We used the Budyko coupled balance equation to quantitatively assess the contributions of climate change and human activity-induced land surface changes to runoff during different periods. In addition, the driving factors of flow consumption within the basin were analyzed using wavelet coherence and generalized additive model (GAM). New hydrological insights for the region: Prior to 2001, there was a significant decrease in annualscale runoff in the midstream. After that, a partial recovery was observed due to the influence of the Ecological Water Transfer Project (EWTP), while the NDVI trend exhibited an opposite pattern. The study indicates that human-induced modification of the underlying surface is the primary driving factor for the decrease in runoff, with land surface factors contributing 84.69% and 65.27% to the runoff reduction during two periods of change, respectively. Further research on the driving forces of runoff consumption reveals that vegetation cover and climate factors jointly regulate the variations in runoff consumption in the midstream, with multifactor effects surpassing those of individual factors, and NDVI emerges as the predominant controlling factor for runoff consumption. Moreover, all anthropogenic factors exhibit a high explanatory power for runoff consumption. |
| 英文关键词 | Runoff variation; Middle reaches of HRB; Attribution analysis; Runoff consumption; Driver factor analysis |
| 语种 | 英语 |
| WOS研究方向 | Water Resources |
| WOS类目 | Water Resources |
| WOS记录号 | WOS:001217412500001 |
| 来源期刊 | JOURNAL OF HYDROLOGY-REGIONAL STUDIES
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/288355 |
| 作者单位 | Henan Polytechnic University |
| 推荐引用方式 GB/T 7714 | . Runoff variation in midstream Hei River, northwest China: Characteristics and driving factors analysis[J],2024,53. |
| APA | (2024).Runoff variation in midstream Hei River, northwest China: Characteristics and driving factors analysis.JOURNAL OF HYDROLOGY-REGIONAL STUDIES,53. |
| MLA | "Runoff variation in midstream Hei River, northwest China: Characteristics and driving factors analysis".JOURNAL OF HYDROLOGY-REGIONAL STUDIES 53(2024). |
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