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NASA EOSDIS Data Identifiers: Approach and System
Lalit Wanchoo1,2, Nathan James2, Hampapuram K Ramapriyan2,3
1ADNET Systems, Inc., Lanham, MD 20706, US.
Data Science Journal
|November 12, 2019
Summary
NASA
Area of Science:
- Earth science data management
- Scientific data archiving and distribution
Background:
- NASA's Earth Science Data and Information System (ESDIS) Project initiated DOI exploration in 2010.
- Twelve Distributed Active Archive Centers (DAACs) manage diverse Earth science data products.
- Varied data product generation and archiving processes across DAACs posed challenges for DOI implementation.
Purpose of the Study:
- To investigate and implement Digital Object Identifiers (DOIs) for NASA Earth science data products.
- To develop standardized processes and guidelines for DOI assignment across multiple data centers.
- To enhance data discoverability and citation tracking for Earth science research.
Main Methods:
- Developed processes, guidelines, and models for DOI creation and assignment.
- Utilized the California Digital Library (CDL) EZID service for DOI registration since February 2012.
- Automated the DOI assignment process to improve efficiency and scalability.
Main Results:
- Over 50% of DAAC data products were assigned DOIs by February 28, 2017.
- DOI assignments transitioned from labor-intensive to a rapidly progressing automated system.
- Citations referencing data products using DOIs increased significantly from approximately 100 to over 370 between 2015 and 2016.
Conclusions:
- The ESDIS Project successfully implemented a DOI system for Earth science data products.
- Automation and standardized processes have streamlined DOI assignment and increased data citation.
- The DOI initiative enhances the accessibility and impact of NASA's Earth science data.
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