Physics
Scientific paper
Dec 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufmsm51b..07k&link_type=abstract
American Geophysical Union, Fall Meeting 2009, abstract #SM51B-07
Physics
[1916] Informatics / Data And Information Discovery, [2134] Interplanetary Physics / Interplanetary Magnetic Fields, [2164] Interplanetary Physics / Solar Wind Plasma, [2784] Magnetospheric Physics / Solar Wind/Magnetosphere Interactions
Scientific paper
Since its 1966 inception, the National Space Science Data Center has accumulated an archive of over 1100 digital space physics data sets from 682 experiments that have flown on 187 spacecraft. This presentation starts with a brief historic overview of the value-added space physics products and interfaces created by NSSDC and, since its 1992 creation, by the Space Physics Data Facility (SPDF). We highlight the mid-1970's creation of the hourly, multi-source OMNI data set holding near-Earth solar wind field and plasma data, energetic particle data and geomagnetic activity indices and the ~2006 creation of High Resolution (1-min, 5-min) OMNI now containing largely the same physical parameters as shifted to the Earth's bow shock nose. Some parameters have been added since the initial introduction of these data sets. We trace the evolution of data dissemination modes from the Interplanetary Medium Data Books and "OMNItape" of the 1970's, through electronic and CD-ROM accessibility, to the OMNIWeb interface provided in 1995. We trace the growth in functionality of the interface from time-series lists and plots to filtering, two-parameter scatter plots, linear regression fits and parameter distribution functions. We conclude with a discussion of the newly created OMNIWeb-Plus interface that integrates multiple prior interfaces (OMNIWeb, COHOWeb, FTPBrowser, etc.) to all SPDF-resident data relevant to heliospheric research. OMNIWeb-Plus includes a number of data-comparative interfaces where offsets between like data from different sources can be evaluated statistically thus contributing to improved calibration of data.
King Joseph H.
McGuire Robert. E.
Papitashvili Natalia E.
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