[1]赵亮,刘宇,罗勇,等.黄土高原近40年人类活动强度时空格局演变[J].水土保持研究,2019,26(04):306-313.
　ZHAO Liang,LIU Yu,LUO Yong,et al.Temporal and Spatial Evolution of Human Impact Intensity on the Loess Plateau in Recent 40 Years[J].Research of Soil and Water Conservation,2019,26(04):306-313.
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黄土高原近40年人类活动强度时空格局演变

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 26 期数: 2019年04期 页码: 306-313 栏目: 出版日期: 2019-06-11
Title:
Temporal and Spatial Evolution of Human Impact Intensity on the Loess Plateau in Recent 40 Years
作者:
赵亮1,2, 刘宇2, 罗勇1, 刘汉湖1
1. 成都理工大学 地球科学学院, 成都 610059;
2. 中国科学院 地理科学与资源研究所 生态系统网络观测与模拟重点实验室, 北京 100101
Author(s):
ZHAO Liang1,2, LIU Yu2, LUO Yong1, LIU Hanhu1
1. College of Earth Sciences, Chengdu University of Technology, Chengdu 610059, China;
2. Key Laboratory of Ecosystem Observation and Modelling, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
关键词:
黄土高原; 人类活动强度; 土地利用/覆被; 时空演变
Keywords:
the Loess Plateau; intensity of human activities; land use/cover change; temporal and spatial evolution
分类号:
TP79;Q948.15;F301.2
摘要:
为了探讨人类活动强度的时空格局演变及其驱动因素，采用土地利用/覆被折算建设用地当量方法定量化和空间化人类活动强度。以黄土高原为研究区，利用1975—2015年期间4期的土地利用/覆被数据，利用人类活动强度指数，阐释了人类活动强度的时空演变，探讨了人类活动空间分异的驱动因素。结果显示：在所研究的40年间，黄土高原人类活动强度变化大致以2000年为界，前期较为稳定，后期整体迅速降低。这一时期黄土高原人类活动强度具有较强的空间变异，其空间格局发生显著变化，主要表现为人类活动强度由中等强度广泛覆盖全区丘陵、塬面和平原、谷地的格局转变为覆盖平原谷地等地貌类型区的高强度区域镶嵌于大范围的低强度区域的空间格局，总体上趋于与地貌格局相一致；六盘山—陕北黄土高原出现大范围的人类活动冷点集聚区，关中平原—洛阳盆地形成较大范围的热点集聚区。黄土高原人类活动强度时空变化，是不同的地形地貌条件下生态政策、产业结构及社会经济等因素推动人类开发活动与生态承载力耦合的结果。
Abstract:
To explore the temporal and spatial evolution of human impact intensity and its driving factors, the land use/cover conversion construction land equivalent method is used to quantify and spatialize the intensity of human impact. We map the spatial and temporal evolution of human impact intensity on the Loess Plateau. Land use/cover data of four stages during 1975—2015 are used to construct the index of human impact intensity. By coupling information on landform pattern and policy incentives, driving factors for the variation of human activities are discussed. The results showed that, during the 40 years studied, change of the intensity of human activities in the Loess Plateau had two stages, there was a stable period before 2000, a rapid decrease stage occurred after 2000; during this period, the intensity and its spatial pattern of human activities in the Loess Plateau had changed significantly; the intensity of human activities changed from a pattern featured by moderate intensity that widely covered hills, table-lands and plains to a mosaic pattern of a widely cover of low intensity areas and patches of high human impact intensity in plains and river valleys; Liupanshan Mountain—northern Shaanxi Province on the Loess Plateau had a large area of human activity cold spots, and the Guanzhong Plain—Luoyang Basin formed a large-scale hotspot agglomeration area. Generally, spatial pattern of human activities in the Loess Plateau is on the trend to fit the topographic pattern. The temporal and spatial variations of human activities in the Loess Plateau are the results of the coupling of human policy incentives, economic development, and ecological carrying capacity promoted from topographic and physiographic conditions.

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备注/Memo

收稿日期:2018-11-02;改回日期:2018-11-20。
基金项目:国家自然科学基金重大项目“黄土高原生态系统承载力的空间格局及调控途径”（41390464）
作者简介:赵亮(1991-),男,四川南充人,在读硕士研究生,研究方向为地图制图学与地理信息工程。E-mail:zhaoliangcdut@163.com
通讯作者:刘宇(1981-),男,贵州六盘水人,博士,副研究员,主要从事景观格局与生态过程、生态系统监测与评估研究。E-mail:liuyu@igsnrr.ac.cn

更新日期/Last Update: 1900-01-01