Global Land Analysis and Discovery

Global Land Analysis and Discovery (GLAD)是马里兰大学地理科学系下属的实验室，专注于全球地表变化的方法、原因和影响研究。该数据库主要利用地球观测影像作为数据源，关注土地覆盖范围和变化情况。GLAD开发了多种全球土地覆盖和森林变化数据产品，并提供交互式地球引擎应用程序供用户访问和分析。Global Land Analysis and Discovery (GLAD) is a laboratory under the Department of Geographical Sciences at the University of Maryland, dedicated to researching the methods, causes, and impacts of global land surface changes. This database primarily uses Earth observation imagery as its data source, focusing on land cover extent and changes. GLAD has developed multiple global land cover and forest change data products, and provides interactive Earth Engine applications for users to access and analyze data.