[1]马道铭,回毅滢,赵炯昌,等.近60年山西省降雨侵蚀力时空变化特征[J].水土保持研究,2023,30(06):24-31,48.[doi:10.13869/j.cnki.rswc.2023.06.023]
　Ma Daoming,Hui Yiying,Zhao Jiongchang,et al.Spatiotemporal Characteristics of Rainfall Erosivity in Shanxi Province in Recent 60 Years[J].Research of Soil and Water Conservation,2023,30(06):24-31,48.[doi:10.13869/j.cnki.rswc.2023.06.023]
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近60年山西省降雨侵蚀力时空变化特征

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 30 期数: 2023年06期 页码: 24-31,48 栏目: 出版日期: 2023-10-10
Title:
Spatiotemporal Characteristics of Rainfall Erosivity in Shanxi Province in Recent 60 Years
文章编号:
1005-3409(2023)06-0024-08
作者:
马道铭1, 回毅滢1, 赵炯昌1, 王百群3, 于 洋1,2
(1.北京林业大学 水土保持学院, 北京 100083; 2.北京林业大学 水土保持学院 山西吉县森林生态系统国家野外科学观测研究站, 北京 100083; 3.中国科学院 水利部 水土保持研究所 黄土高原土壤侵蚀与旱地农业国家重点实验室, 陕西 杨凌 712100)
Author(s):
Ma Daoming1, Hui Yiying1, Zhao Jiongchang1, Wang Baiqun3, Yu Yang1,2
(1.School of Soil and Water Conservation, Beijing Forestry University, Beijing 100083, China; 2.Jixian National Forest Ecosystem Observation and Research Station, CNERN, School of Soil and Water Conservation, Beijing Forestry University, Beijing 100083, China; 3.State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation, CAS&MWR, Yangling, Shaanxi 712100, China)
关键词:
降雨侵蚀力;  时空变化;  山西省;  水土流失
Keywords:
rainfall erosivity;  spatiotemporal characteristics;  Shanxi Province;  soil erosion
分类号:
S157.1
DOI:
10.13869/j.cnki.rswc.2023.06.023
文献标志码:
A
摘要:
[目的]揭示降雨引发区域土壤侵蚀的潜在能力,分析降雨侵蚀力时空变化特征,为区域生态建设和水土流失治理提供科技支撑。[方法]基于近60 a(1960—2020年)山西省气象站点均一化逐日降水数据,采用线性回归及Mann-Kendall非参数检验、Hurst检验和地理信息空间插值等方法对山西省降雨侵蚀力变化趋势和时空分布特征进行分析,探讨了近60年山西省降雨侵蚀力时空变化。[结果]山西省1960—2020年多年平均降雨侵蚀力变化范围为828.29～3 002.21 MJ·mm/(hm2·h),最低值出现在1997年,最高值出现在1964年; 各站点的降雨侵蚀力年际变化趋势迥异,其中五台山站呈显著下降趋势,除侯马站外,其他站点均呈下降趋势,且Hurst指数均高于0.5,表明该下降的趋势将长期持续; 山西省多年平均降雨侵蚀力空间分布呈现东南高西北低的特征,且与降雨侵蚀力与地形存在一定的正相关关系。[结论]山西省大部分地区降雨侵蚀力呈下降趋势,黄河沿线表现为上升趋势,未来水土保持与生态治理工作依旧艰巨,应进一步加强山西省黄河沿线生态建设与水土流失综合治理。
Abstract:
[Objective] The aims of this study are to reveal the potential capacity of regional soil erosion triggered by rainfall, to analyze the spatial and temporal characteristics of rainfall erosivity, and to provide scientific and technological support for regional ecological construction and soil erosion management. [Methods] Based on the homogenized daily precipitation data of Shanxi meteorological stations in recent 60 years(1960—2020), we analyzed the change trend and spatiotemporal distribution characteristics of annual rainfall erosivity in Shanxi Province by means of linear regression, Mann-Kendall nonparametric test, Hurst test and spatial interpolation. The spatiotemporal variation of rainfall erosivity of Shanxi Province in recent 60 years was discussed. [Results] The variation range of annual average rainfall erosivity in Shanxi Province from 1960 to 2020 was 828.29 to 3 002.21 MJ·mm/(hm2·h), with an average value of 1 667.05 MJ·mm/(hm2·h), minimum value occurring in 1997, maximum value occurring in 1964. The interannual variation trend of rainfall erosivity at each station was significantly different, rainfall erosivity at Wutaishan Station showed a significant downward trend. Except for rainfall erosivity at Houma station, rainfall erosivity at all other stations showed a decreasing trend, and the Hurst index was higher than 0.5, indicating that the decreasing trend continued in the long term. The spatial distribution of multi-year average rainfall erosion force in Shanxi Province showed the characteristics of high level in the southeast and low level in the northwest, and there was a positive correlation between rainfall erosion force and elevation. [Conclusion] In most areas of Shanxi Province, rainfall erosivity showed a decreasing trend, while the region along the Yellow River, an increasing trend was detected. The ecological construction and comprehensive control of soil and water loss along the Yellow River region of Shanxi Province should be further strengthened.

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备注/Memo

收稿日期:2022-07-27 修回日期:2022-10-07
资助项目:国家自然科学基金(42177310); 国家重点研发计划(2022YFF1300803)
第一作者:马道铭(2002—),男,河南周口人,硕士研究生,研究方向为区域生态系统服务。E-mail:mdmmistakes@outlook.com
通信作者:于洋(1985—),男,河北承德人,博士,副教授,主要从事植被恢复与流域治理研究。E-mail:theodoreyy@gmail.com

更新日期/Last Update: 2023-10-10