Abstract
Summary The Deep-time Digital Earth (DDE) programme of the International Union of Geological Sciences (IUGS) is addressing the formidable challenge of so called ‘long tail’ data in the deep-time geosciences - the unstructured and inherently heterogeneous geoscience data that resides in institutions, universities and on individual geoscientists’ computers. DDE will do this by developing new protocols, platforms and programs to secure compatible and interoperable databases, so that the vast amounts of existing (and new) deep-time geoscience data can be linked. The results of these and other studies will help us understand Earth’s natural environment and help in the wise use of natural resources. Projects so far include the ‘Geoscience Knowledge System Standardization Project’ establishing practical core data standards for DDE, the ‘Marginal Seas Project’ which will integrate interdisciplinary data describing the structure and evolution of three exemplary Eurasian marginal seas (North Sea, Baltic Sea and South China Sea) during the last 130 kyr, the ‘1:5M Digital Geological Mapping Project’ to work towards a digital geological map of the world at a scale 1:5 million, the ‘Geological Timeline Project’ and the ‘China Node Project’.
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