Supporting the SSSC Great Observatory: S3C Active Archive Data and Services Today

The next advances in Sun Solar System Connections (S3C) / Solar-Terrestrial science require an increasingly integrated and transparent data environment, where data can be easily accessed and used across the boundaries of both missions and traditional disciplines. While the data environment to best support the longterm strategic and science goals of the S3C Great Observatory will grow over time, the S3C Active Archive within the Space Physics Data Facility (SPDF) already operates uniquely important multi-mission data services with current data from most operating space physics missions. This paper reviews the range of services now available for data and how they are now evolving to meet the future science issues of the Great Observatory program and the needs of programs like LWS/ILWS. The Coordinated Data Analysis [Workshop] Web (CDAWeb) and Satellite Situation Center Web (SSCWeb), critically supported by the Common Data Format (CDF) effort and supplemented by more focused services such as data format translations, COHOWeb, ATMOWeb, FTPBrowser, ModelWeb and HelioWeb, are important current examples suggestive of the scope and functionality needed in the future. These systems serve the broad international community now and are already capable of significant contributions to eGY. Our new Java-based "CDAWeb Plus" interface integrates unified user access to this combined set. Key services increasingly support web services APIs to allow their ready invocation from distributed external middleware and clients expected to form the framework of a new Virtual discipline Observatory (VxO) paradigm for the data environment for NASA solar and space physics data.