Digital library of free, customized earth science data from the University of New Hampshire.
Earth Rotation Portal
Scientists at several institutions are investigating aspects of the Earth's rotation in ten thematic projects with the aim of accounting for the unexplained variations.
Geoscience Data Repository
A collection of earth science databases managed by Canadian Natural Resources, allows for viewing and download.
International Earth Rotation and Reference Systems Service
IERS provides data, publications and general information on the Earth`s orientation, the International Celestial Reference Frame (ICRF) and the International Terrestrial Reference Frame (ITRF), as well as geophysical data and conventions.
NERC: Data Centres
Directory of Designated Data Centres from the Natural Environment Research Council in the United Kingdom.
Unidata Internet Data Distribution (IDD)
Community of over 130 universities building a system for disseminating near real-time earth observations via the Internet. The system is designed so that a university can request that certain data sets be delivered to their computers as soon as they are available from the observing system.