Physics
Scientific paper
Dec 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008agufmin22a..04p&link_type=abstract
American Geophysical Union, Fall Meeting 2008, abstract #IN22A-04
Physics
0525 Data Management, 0530 Data Presentation And Visualization, 0700 Cryosphere (4540)
Scientific paper
The Discovery, Access, and Delivery of Data for IPY (DADDI) project seeks to improve the availability of Arctic coastal data, and has the long term goal of developing a system that can be extended to support access to the spectrum of International Polar Year (IPY) data. Previously, we reported on the process of defining user needs for DADDI, especially those requirements related to data discovery and access(1). Here we discuss the implementation of the DADDI system and the components that provide the means to contribute, preserve, discover and access data relevant to all disciplines within the cryospheric domain. Our previously reported use case development for the DADDI project described a set of criteria which were particularly salient for the users of systems supported by a geoscience cyberinfrastructure. These included the ability to easily control the boundaries of scientific parameter dimensions when searching for, manipulating and obtaining data; relevant, ranked, and filterable search and browse results; and access to data quality indicators and references, including access to human experts in the use of the selected data. Several of those user priorities have been successfully incorporated into the current DADDI environment, and in particular into the Mercury search system used to provide DADDI's metadata harvesting, indexing, query, and search results presentation functions. We will discuss and demonstrate the current system and its capabilities, including a review of the metadata and related standards used to support the existing features. We will also review the capabilities yet to be implemented, and the infrastructure changes or additions that will be necessary for DADDI to more fully participate in the cryospheric cyberinfrastructure. (1) The Virtual Observatory in Action: Recurring Themes in Polar Science Use Cases. 2007 Virtual Observatories in Geosciences Conference (http://www.egy.org/VOiG/Home.html; http://www.hao.ucar.edu/projects/vsto/voig/index.php/Session_II:Recurring_Themes_in_Polar_Sciences).
Collins James J.
Parsons Maxwell
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