Urban Center Database 2025 - Water & Natural Systems

The GHS Urban Centre Database (GHS-UCDB) describes spatial entities called “Urban Centres” described through a set of multi-temporal thematic attributes from the GHSL data combined with other free and open data sets. The UCDB is a global dataset of over 10,000 urban centers developed by the European Commission, providing multi-temporal and multi-thematic information based on a globally harmonized methodology. It supports global monitoring of policy frameworks and provides data for urban studies. Resolution is 1km. This Layer covers the Water and Natural Systems thematic domains. Under these the GHS-UCDB groups a variety of families and indicators, further divided in specific attributes, multitemporal (2019-2025). Attributes include groundwater types, sea surface temperature, wave height, protected areas & earth boundaries system transgressions. Zusätzliche Informationen The Global Human Settlement Layer (GHSL) project produces global spatial information, evidencebased analytics, and knowledge describing the human presence on the planet. The GHSL relies on the design and implementation of spatial data processing technologies that allow automatic data analytics and information extraction from large amounts of heterogeneous geospatial data including global, fine-scale satellite image data streams, census data, and crowd sourced or volunteered geographic information sources. More information here. Quelle Global Human Settlement - Urban Centre database R2024A - European Commission | Zuletzt Aufgerufen am 06.11.2025 Datenbestand 2025 Data processing (Esri Germany) GeoPackage was imported in ArcGIS Pro, transformed in a File Geodatabase in Web Mercator, attribute names (alias) and field types were optimised and layer is published in ArcGIS Online as a Feature Service.GHS城市中心数据库（GHS Urban Centre Database，简称GHS-UCDB）旨在描述名为"城市中心"的空间实体，其通过整合全球人类居住图层（Global Human Settlement Layer，简称GHSL）的多时态专题属性与其他免费开放数据集的相关属性完成构建。该数据集由欧盟委员会开发，是涵盖超1万个城市中心的全球数据集，基于全球统一的方法学提供多时态、多专题信息，可支撑政策框架的全球监测工作，并为城市研究提供数据支撑，空间分辨率为1千米。本图层涵盖水与自然系统专题领域，下设多个类别与指标，进一步细分为具体属性，数据时态覆盖2019-2025年，相关属性包括地下水类型、海表温度、波高、保护区及地表边界系统变迁。 补充信息：全球人类居住图层（GHSL）项目可产出全球空间信息、基于实证的分析成果与相关知识，用以描述地球上的人类活动分布情况。该项目依托空间数据处理技术的设计与落地，能够从海量异构地理空间数据中自动开展数据分析与信息提取，此类数据涵盖全球高精度卫星影像数据流、人口普查数据以及众源或志愿地理信息来源。更多信息请见此处。 数据来源：全球人类居住图层-城市中心数据库 R2024A - 欧盟委员会 | 最后访问时间：2025年11月6日；数据集覆盖2025年数据。数据处理由Esri德国完成：将GeoPackage导入ArcGIS Pro，转换为Web Mercator投影的文件地理数据库，优化属性名称（别名）与字段类型，并以要素服务（Feature Service）形式发布至ArcGIS Online。