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Updated: Jul 24, 2025

Trajectory Data Analyses for Pedestrian Space-time Activity Study
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在OpenStreetMap中对全球城市建筑数据的完整性和不平等性进行时空分析

Benjamin Herfort1,2, Sven Lautenbach3, João Porto de Albuquerque4

  • 1Heidelberg Institute for Geoinformation Technology, Heidelberg, Germany. benjamin.herfort@heigit.org.

Nature communications
|July 6, 2023
PubMed
概括

开放街地图的建筑数据显示,全球覆盖范围存在重大差距,影响了城市分析. 机器学习显示,虽然一些城市的地图绘制得很好,但许多其他城市缺乏足够的建筑数据,阻碍了可持续发展目标的评估.

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Use of Principal Components for Scaling Up Topographic Models to Map Soil Redistribution and Soil Organic Carbon

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Geographic Information Systems (GIS) operate across three levels of application, each representing an increasing degree of complexity: data management, analysis, and prediction. These levels reflect the expanding functionality and versatility of GIS technology in handling spatial data for diverse purposes.Data ManagementAt its foundational level, GIS serves as a tool for data management, enabling the input, storage, retrieval, and organization of spatial data. This level is often employed in...
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GIS manipulation and analysis functions are vital for decision-making and planning. These activities range from data retrieval tasks, such as selecting information based on specific criteria, to advanced analytical techniques that address complex spatial problems.One critical GIS analysis method is overlaying, which combines multiple data layers to examine impacts. For example, overlaying a river-dammed lake boundary with road networks can identify affected infrastructure. Another common...
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