Ion density calculator (IDC): A new efficient model of ionospheric ion densities

摘要: [1] We present a new computationally efficient and accurate model of ion concentrations in the bottomside ionosphere based on photochemistry. There has long been need for specification ionospheric molecular concentrations. Incoherent scatter radars to specify relative order accurately determine plasma temperatures. Full physical models are available but too costly cumbersome many applications. The international reference (IRI) is an empirical that specifies electron density limited data sets. Our calculator (IDC) uses chemical equilibrium all except O+ density, which cannot be derived from above ∼180 km due increasing importance diffusion. IDC overcomes this problem by using iterative technique solve given provided radar or IRI fact total concentration must sum density. This quasi-chemical produces very good agreement with satellite measured densities significantly improves temperatures incoherent radars. It also Field Line Interhemispheric Plasma (FLIP) model, solves continuity, momentum, thermal equations. Comparisons point out shortcomings most recent version, IRI-2007 representing densities.