Terra Populus, or TerraPop, is a cyberinfrastructure project that integrates, preserves, and disseminates massive data collections describing characteristics of the human population and environment over the last six decades. TerraPop has made a number of GIScience advances in the handling of big spatial data to make information interoperable between formats and across scientific communities. In this paper, we describe challenges of these data, or 'deserts in the deluge' of data, that are common to spatial big data more broadly, and explore computational solutions specific to microdata, raster, and vector data models.
Terra Populus(或TerraPop)是一个网络基础设施项目，它整合、保存和传播描述过去60年来人口和环境特征的大量数据集。TerraPop在处理大空间数据方面取得了许多GIScience的进步，使信息在不同格式和不同科学团体之间可互操作。在本文中，我们描述了这些数据的挑战，或者说是“数据洪流中的沙漠”，这在更广泛的空间大数据中是常见的，并探索了特定于微数据、栅格和矢量数据模型的计算解决方案。
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