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Updated: Oct 15, 2025

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The Deep-Time Digital Earth program: data-driven discovery in geosciences.

Chengshan Wang1, Robert M Hazen2, Qiuming Cheng3

  • 1State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Beijing 100083, China.

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|October 25, 2021
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Summary
This summary is machine-generated.

The Deep-Time Digital Earth (DDE) program addresses barriers to data-driven discovery in Earth sciences. It aims to create a knowledge graph and FAIR data infrastructure for global geoscience data accessibility.

Keywords:
Deep-Time Digital EarthEarth evolutionbig datacyberinfrastructuredata-driven discovery

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Area of Science:

  • Earth Science
  • Geoscience
  • Digital Earth

Background:

  • Significant volumes of deep-time Earth data remain undigitized.
  • Existing databases often lack FAIR (findable, accessible, interoperable, reusable) compliance and are geographically fragmented.
  • A lack of systematic knowledge graphs and open-access formats hinders data accessibility.

Purpose of the Study:

  • To establish the Deep-Time Digital Earth (DDE) program, an international initiative.
  • To develop a systematic knowledge graph for deep-time Earth data.
  • To create a FAIR data infrastructure and tailored tools for universal data access and discovery.

Main Methods:

  • Leveraging international cooperation with geological surveys and scientific institutions.
  • Developing a comprehensive knowledge graph for Earth's evolution.
  • Implementing FAIR data principles to link and visualize existing and 'dark' data.

Main Results:

  • A foundation for a systematic deep-time Earth knowledge graph.
  • An infrastructure for linking heterogeneous and inaccessible geoscience databases.
  • The development of universally accessible tools for Earth science data analysis.

Conclusions:

  • The DDE program aims to harmonize global geoscience data.
  • It will facilitate data-driven discovery in understanding Earth's evolution.
  • Enhanced data accessibility and interoperability are crucial for advancing Earth science research.