人类活动对延河流域生态地质环境承载力影响研究
X171.1; 目的 为探究治沟造地和平山造城重大工程对延河流域生态地质环境承载力(eco-geological environment carrying capacity,EGCC)的影响,方法 利用分形理论和信息量模型构建研究区EGCC评价模型,揭示延河流域环境承载力时空模式及流转态势,构建人类活动强度指数,采用最小二乘法和皮尔逊相关系数探讨人类活动与EGCC之间的关系.结果 结果表明:延河流域1990-2018年EGCC整体状况明显改善,平均值从-0.299上升至-0.197;EGCC分布多年来呈"中部最高,东南次之,西北最低"格局;人类活动强度从1990年成片分布逐...
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| Published in | 河南理工大学学报（自然科学版） Vol. 43; no. 5; pp. 87 - 95 |
|---|---|
| Main Authors | , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
成都理工大学 地质灾害防治与地质环境保护国家重点实验室,四川 成都 610059
01.09.2024
成都理工大学 地球与行星科学学院,四川 成都 610059%成都理工大学 地球与行星科学学院,四川 成都 610059 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1673-9787 |
| DOI | 10.16186/j.cnki.1673-9787.2023040038 |
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| Abstract | X171.1; 目的 为探究治沟造地和平山造城重大工程对延河流域生态地质环境承载力(eco-geological environment carrying capacity,EGCC)的影响,方法 利用分形理论和信息量模型构建研究区EGCC评价模型,揭示延河流域环境承载力时空模式及流转态势,构建人类活动强度指数,采用最小二乘法和皮尔逊相关系数探讨人类活动与EGCC之间的关系.结果 结果表明:延河流域1990-2018年EGCC整体状况明显改善,平均值从-0.299上升至-0.197;EGCC分布多年来呈"中部最高,东南次之,西北最低"格局;人类活动强度从1990年成片分布逐渐发展到2018年"单核辐射"分布,高强度区主要分布在延河流域中部;人类活动强度与EGCC相关度较高,一定范围内呈正向促进关系;受平山造城工程活动影响,2010-2018年高水平和较高水平承载力面积分别增加了1.610,3.164 km2;EGCC变化趋势因治沟造地工程所处乡、镇地理位置和发展侧重不同而存在差异.结论 人类活动与生态地质环境承载力呈较强的正相关关系,治沟造地和平山造城工程对EGCC具有一定积极影响. |
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| AbstractList | X171.1; 目的 为探究治沟造地和平山造城重大工程对延河流域生态地质环境承载力(eco-geological environment carrying capacity,EGCC)的影响,方法 利用分形理论和信息量模型构建研究区EGCC评价模型,揭示延河流域环境承载力时空模式及流转态势,构建人类活动强度指数,采用最小二乘法和皮尔逊相关系数探讨人类活动与EGCC之间的关系.结果 结果表明:延河流域1990-2018年EGCC整体状况明显改善,平均值从-0.299上升至-0.197;EGCC分布多年来呈"中部最高,东南次之,西北最低"格局;人类活动强度从1990年成片分布逐渐发展到2018年"单核辐射"分布,高强度区主要分布在延河流域中部;人类活动强度与EGCC相关度较高,一定范围内呈正向促进关系;受平山造城工程活动影响,2010-2018年高水平和较高水平承载力面积分别增加了1.610,3.164 km2;EGCC变化趋势因治沟造地工程所处乡、镇地理位置和发展侧重不同而存在差异.结论 人类活动与生态地质环境承载力呈较强的正相关关系,治沟造地和平山造城工程对EGCC具有一定积极影响. |
| Abstract_FL | Objectives To investigate the influence of the gully land consolidation project and large-scale land infilling and excavation project on the eco-geological environment carrying capacity(EGCC)of the in the Yanhe River Basin,Methods a fractal theory and information quantity model were used to construct an EGCC evaluation model in the study area,the spatial and temporal patterns and flow dynamics of EGCC were revealed,the human activity intensity index was constructed,and the least squares method and Pearson correlation coefficient were used to explore the relationship between human activities and EGCC.Results The results showed that the overall EGCC situation in the Yanhe River improved significantly from 1990 to 2018,with an average value increased from-0.299 to-0.197.The distribution over the years showed a pat-tern of"the highest in the mcentral part,followed by the southeast,and the lowest in the northwest".The in-tensity of human activities gradually developed from a patchy distribution in 1990 to a"single nuclear radia-tion"distribution in 2018,with the high-intensity area mainly distributed in the central part of Yanhe River Basin.Furthermore,the correlation between human activity intensity and EGCC was high,and there was a positive promoting relationship within a certain range.Under the influence of large-scale land infilling and excavation project,the area of high-level and higher-level EGCC increased by 1.610 km2 and 3.164 km2 from 2010 to 2018,respectively.The trend of the gully management project and EGCC varied according to the geographical location and development focus of townships where the the gully land consolidation project was locate.Conclusions Overall,There was a strong positive correlation between human activities and the EGCC,and the gully land consolidation project and large-scale land infilling and excavation project had a positive impact on the EGCC. |
| Author | 严丽华 郝利娜 张明颖 钟佳悦 |
| AuthorAffiliation | 成都理工大学 地球与行星科学学院,四川 成都 610059%成都理工大学 地球与行星科学学院,四川 成都 610059;成都理工大学 地质灾害防治与地质环境保护国家重点实验室,四川 成都 610059 |
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| Author_FL | ZHANG Mingying ZHONG Jiayue HAO Lina YAN Lihua |
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| DocumentTitle_FL | The impact of human activities on the carrying capacity of eco-geological environment in the Yanhe River Basin |
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| Keywords | 治沟造地 large-scale land infilling and excava-tion project loess hilly and gully region 平山造城 gully land consolidation project 生态地质环境 ecological and geological environment carrying capacity 黄土丘陵沟壑区 承载力 |
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| PublicationTitle | 河南理工大学学报（自然科学版） |
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| Publisher | 成都理工大学 地质灾害防治与地质环境保护国家重点实验室,四川 成都 610059 成都理工大学 地球与行星科学学院,四川 成都 610059%成都理工大学 地球与行星科学学院,四川 成都 610059 |
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| Title | 人类活动对延河流域生态地质环境承载力影响研究 |
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