Exact(1)
The International Reference Ionosphere (IRI), a joint project of URSI and COSPAR, is the de facto international standard for the climatological specification of ionospheric parameters and as such it is currently undergoing registration as Technical Specification (TS) of the International Standardization Organization (ISO).
Similar(59)
The Irkutsk LEMI model complements monthly-median climatological ionospheric specifications provided by global models like the IRI-2007 (Bilitzandnd Reinisch, 2008) by accounting for the regional specifics of the ionospheric plasma distribution that elude detailed reproduction in a global model.
The paper describes the technique for building the local empirical model and the results of comparing its diurnal, seasonal, and solar activity specifications with the standard IRI-2007 climodelogical model for the same period of time, and retrospective observational data from the Millstone Hill incoherent scatter radar (1976 2002) and a collocated Digisonde (1989 1990, 1998 2004).
The paper describes the technique used to build the local empirical model and discusses its diurnal, seasonal, and solar activity specifications in comparison with the standard IRI-2007 climodelogical model for the same period of time, long-term observations from the European Incoherent Scatter UHF radar (1988 1999), and the high-latitude ionosondes data.
In climatological terms, this timing is suggestive.
Presumably this is a strictly climatological analysis?
In matters climatological, data are sparse.
Specification changes.
We're not trying to set out the climatological arguments.
The book warned carbon dioxide emissions would have a "climatological effect" via "warming the atmosphere".
Scotland was near the climatological mean with 107 hours, or 105% of the average.
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