Application of GPS Trajectory Data for Investigating the Interaction between Human Activity and Landscape Pattern: A Case Study of the Lijiang River Basin, China
Application of GPS Trajectory Data for Investigating the Interaction between Human Activity and Landscape Pattern: A Case Study of the Lijiang River Basin, China
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应用 GPS 轨迹数据研究人类活动与景观格局的相互作用：以中国漓江流域为例
DOI：
10.3390/ijgi5070104
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发表时间：
2016-06
期刊：
影响因子：
--
通讯作者：
Xiang Wang
中科院分区：
文献类型：
--
作者：
Jun Li;Yuan Zhang;Xiang Wang
人类活动与景观格局的相互作用是近几十年来研究的热点。然而，以往学者们对人类活动的衡量多采用社会、经济、人文等指标。这些指标不能直接反映人类活动，也不适合细粒度的分析，由于粗糙的空间分辨率。针对上述问题，提出了从GPS轨迹数据中获取人类活动强度，从遥感影像中提取景观信息，进而在细粒度上分析人类活动与景观格局的相互作用。以漓江流域为研究区域。实验结果表明，该地区人类活动与景观格局之间存在协同作用。建设的土地和水促进了人类活动，而林地则抑制了人类活动。人类活动对景观格局的影响因土地覆被类型而异。总体而言，人类活动使林地、水域等自然用地分散、破碎化，而使建设用地、耕地等人工用地聚集、规则化。然而，城市地区内外的人类活动却恰恰相反。本文的研究成果对设计和实施可持续经营方案具有一定的参考价值。
The interaction between human activity and landscape pattern has been a hot research topic during the last few decades. However, scholars used to measure human activity by social, economic and humanistic indexes. These indexes cannot directly reflect human activity and are not suitable for fine-grained analysis due to the coarse spatial resolution. In view of the above problems, this paper proposes a method that obtains the intensity of human activity from GPS trajectory data, collects landscape information from remote sensing images and further analyzes the interaction between human activity and landscape pattern at a fine-grained scale. The Lijiang River Basin is selected as the study area. Experimental results show that human activity and landscape pattern interact synergistically in this area. Built-up land and water boost human activity, while woodland restrains human activity. The effect of human activity on landscape pattern differs by the land cover category. Overall, human activities make natural land, such as woodland and water, scattered and fragmented, but cause man-built land, such as built-up land and farmland, clustered and regular. Nevertheless, human activities inside and outside urban areas are the opposite. The research findings in this paper are helpful for designing and implementing sustainable management plans.
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DOI：
--
发表时间：
2000
期刊：
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影响因子：
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作者：
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通讯作者：
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影响因子：
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DOI：
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发表时间：
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期刊：
Comput. Geosci.
影响因子：
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