Goddard Earth Sciences Data and Information Services Center

Goddard Earth Sciences Data and Information Services Center
Name	Goddard Earth Sciences Data and Information Services Center
Type	NASA Data Center
Parent	NASA Goddard Space Flight Center
Focus	Earth science data stewardship and distribution

Goddard Earth Sciences Data and Information Services Center. The Goddard Earth Sciences Data and Information Services Center is a core component of the NASA Earth Observing System Data and Information System, operated from the NASA Goddard Space Flight Center in Greenbelt, Maryland. It serves as a primary hub for the archive, distribution, and stewardship of key observations from numerous NASA satellite missions and field campaigns. The center supports global research on the Earth's atmospheric composition, climate processes, and hydrological cycles by providing petabytes of data to an international scientific community.

Overview

The center functions as a Distributed Active Archive Center within the broader framework managed by the Earth Science Data and Information System project. Its primary mandate is to ensure the long-term preservation and usability of critical datasets from flagship missions like the Terra and Aqua satellites. Staffed by teams of data scientists and systems engineers, the facility collaborates closely with instrument teams, the National Oceanic and Atmospheric Administration, and research institutions such as the University of Maryland, College Park. This operational model ensures data are processed, documented, and made accessible according to rigorous federal standards.

Data holdings and services

The archive encompasses vast collections from instruments including the Moderate Resolution Imaging Spectroradiometer, the Atmospheric Infrared Sounder, and the Ozone Monitoring Instrument. Key datasets involve atmospheric profiles, aerosol optical depth, sea surface temperature, and trace gas concentrations for species like ozone and carbon monoxide. Beyond simple data access, the center provides advanced services including subsetting, format conversion, and visualization tools through interfaces like the NASA Worldview application. It also generates higher-level products, such as those from the Modern-Era Retrospective analysis for Research and Applications, which integrate observations with models from the Global Modeling and Assimilation Office.

Key missions and projects

The center is the designated archive for major projects including the A-Train constellation, the Global Precipitation Measurement mission, and the Suomi National Polar-orbiting Partnership. It plays a critical role in the Earth System Science Pathfinder program, managing data from missions like CloudSat and the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations. Ongoing support extends to the TROPICS constellation and the Plankton, Aerosol, Cloud, ocean Ecosystem mission. These projects are integral to international efforts like the Global Climate Observing System and inform assessments by the Intergovernmental Panel on Climate Change.

User community and access

The primary user base consists of researchers from academia, agencies like the United States Geological Survey and the European Space Agency, and operational centers such as the Naval Research Laboratory. Data are freely accessible via online portals, including the NASA Earthdata Search tool, which leverages the Common Metadata Repository. The center supports initiatives like the NASA Earth Science Data Systems Program and provides dedicated help desks to assist users from institutions worldwide, including partners in Japan and the United Kingdom. Training and outreach are conducted through workshops and collaborations with the Group on Earth Observations.

Technology and infrastructure

The technical environment is built on a high-performance computing infrastructure that includes mass storage systems from the NASA Center for Climate Simulation. It employs cloud-based architectures aligned with the Earth Observing System Cloud Platform and utilizes metadata standards from the International Organization for Standardization. Data processing relies on algorithms developed by science teams at the Jet Propulsion Laboratory and the Goddard Institute for Space Studies. Cybersecurity protocols adhere to guidelines from the National Institute of Standards and Technology, ensuring robust protection for the multimission archive.

History and development

The center's origins trace to the early 1990s with the formulation of the Earth Observing System by NASA. It was formally established to support the launch of the Terra spacecraft in 1999, followed by the Aqua mission in 2002. Significant expansion occurred with the integration of data from the Aura satellite and the initiation of the Making Earth System Data Records for Use in Research Environments program. Evolution has been driven by partnerships with the United States Department of Energy and advancements in information technology, continually adapting to support new missions like the Joint Polar Satellite System.

Category:NASA facilities Category:Earth observation satellites Category:Scientific databases