Inter-university Upper atmosphere Global Observation NETwork (IUGONET)

Details Inter-university Upper atmosphere Global Observation NETwork (IUGONET) Inter-university Upper atmosphere Global Observation NETwork (IUGONET)

Dec 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010agufmsm31a1854h&link_type=abstract

American Geophysical Union, Fall Meeting 2010, abstract #SM31A-1854

Physics

[1946] Informatics / Metadata, [2499] Ionosphere / General Or Miscellaneous, [2799] Magnetospheric Physics / General Or Miscellaneous, [3369] Atmospheric Processes / Thermospheric Dynamics

Scientific paper

To investigate the mechanism of long-term variations in the upper atmosphere, we need to create integrated and organic links between various types of ground-based observation made at different locations and altitudes. The databases of such observations, however, have been maintained and made available to the community by each institution that conducted the observations. That is one of the reasons why those data have been used only for studies of specific phenomena. For the same reason some of the observational data have been used by only researcher groups who were involved in the observation campaign and have never been made available to other researchers. A six-year research project, Inter-university Upper atmosphere Global Observation NETwork (IUGONET), was just initiated in 2009 to overcome such problems of data use by the five Japanese research institutes (NiPR, Tohoku Univ., Nagoya Univ., Kyoto Univ., and Kyushu Univ.) that have been leading ground-based observations of the upper atmosphere for decades. We are collaborating to build a database system for the metadata of our various kinds of observational data acquired by the global network of radars, magnetometers, optical sensors, helioscopes, etc. The metadata database (MDB) will be of great help to researchers in efficiently finding and obtaining various observational data we have accumulated over many years. The MDB system will significantly facilitate the analyses of a variety of observational data, which we believe will lead to more comprehensive studies of the mechanisms of long-term variations in the upper atmosphere. Moreover, we expect that researchers will become familiar with not only data in their area of expertise but also data from different atmospheric regions by using the MDB. This will contribute to the promotion of new interdisciplinary studies regarding the upper atmosphere. The IUGONET development team has designed the initial version of our metadata format based on the Space Physics Archive Search and Extract (SPASE) data model. Some modifications depending on characteristics of our ground-based observations of the upper atmosphere (e.g., additional coordinate systems for solar images) have been added. The MDB system has been being built on the platform of DSpace, which is widely used by digital repositories in many universities over the world. In addition to the MDB, the development of integrated data analysis tool for our observational data is in progress and the tool is based on the THEMIS Data Analysis Software Suite (TDAS) used on the Interactive Data Language (IDL). The outline of the IUGONET project, along with the current development status and future plane, will be presented.

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