Distributed Arrays of Small Instruments for Solar-Terrestrial Research Report of a Workshop (2006) / Chapter Skim
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4 Infrastructure Issues
4 Infrastructure Issues
Pages 38-42
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From page 38... ...
When fully implemented, DASI should enable researchers to assimilate and interpret data in order to specify near-instantaneous space weather conditions, and possibly predict future conditions based on the "nowcast." The emergence of new data sets that result under DASI will add to the volume of experimental data that has been increasing significantly in recent years. Already there are new magnetometer chains, new polar orbiting satellites that allow a simultaneous view of the southern and northern polar regions, new ionospheric radars (SuperDARN, AMISR, and EISCAT)
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From page 39... ...
The Virtual Observatory Concept The solar and astronomical communities have spearheaded the virtual observatory concept, and that prior experience provides an excellent starting point and template for DASI. Virtual observatories can be built in several ways.
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From page 40... ...
· Standardization of the format for input of newly collected data; · Testing and validation of new data with mass balance and statistical approaches; · Utilization of visualization for quantitative understanding; and · Integration of the cyber-networked infrastructure architecture to facilitate user access. Internet/Computer Grid Technology Grid technology is providing a powerful new open, Internet-based infrastructure that combines the resources of multiple sites and that includes unprecedented computing power and storage, as well as specialized data analysis and visualization resources, all of which are connected via a dedicated highspeed national network.2 Although grid technology is still evolving, it should be open to all researchers since the Internet is now available to almost all scientists.
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From page 41... ...
INSTRUMENT DEPLOYMENT AND LOGISTICS Instrument Spacing and Array Sizes Workshop discussions highlighted the point that science goals will drive DASI infrastructure requirements related to the physical placement and distribution of instruments. The fundamental science grid size (spacing of instruments needed to achieve science goals)
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From page 42... ...
For that reason workshop participants noted that it is necessary to investigate both polar regions in an inter-hemispheric, coupled context in order to achieve the global understanding of the geospace system required for accurate modeling of space weather. The workshop highlighted a great need for distributed autonomous Antarctic instrument arrays that can operate in the extremely cold and isolated polar environment.
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