04 Aug 2022
 | 04 Aug 2022
Status: a revised version of this preprint is currently under review for the journal GI.

Daedalus Ionospheric Profile Continuation (DIPCont)

Joachim Vogt, Octav Marghitu, Adrian Blagau, Leonie Pick, Nele Stachlys, Stephan Buchert, Theodoros Sarris, Stelios Tourgaidis, Thanasis Balafoutis, Dimitrios Baloukidis, and Panagiotis Pirnaris

Abstract. The Daedalus Ionospheric Profile Continuation (DIPCont) project is concerned with the question how in situ measurements in the lower thermosphere and ionosphere (LTI) can be extrapolated using parametric models of observables and derived variables. To reflect the pronounced change of temperature across the LTI, non-isothermal models for neutral density and also electron density are constructed from scale height profiles that increase linearly with altitude. Ensembles of model parameters are created by means of Monte Carlo simulations using synthetic measurements based on model predictions and relative uncertainties as specified in the Daedalus Report for Assessment. The parameter ensembles give rise to ensembles of model altitude profiles for LTI variables of interest. Extrapolation quality is quantified by statistics derived from the altitude profile ensembles. The vertical extent of meaningful profile continuation is captured by the concept of extrapolation horizons defined as the boundaries of regions where the deviations remain below a prescribed error threshold. The methodology allows for assessing how cost-critical elements of the Daedalus mission proposal such as perigee and apogee distances as major factors controling the necessary amount of propellant and radiation shielding, respectively, affect the accuracy of scientific inference in the LTI. First results are presented for dual-satellite measurements at different inter-spacecraft distances but also for the single-satellite case to compare the two basic mission scenarios under consideration. DIPCont models and procedures are implemented in a collection of Python modules and Jupyter notebooks supplementing this report.

Joachim Vogt et al.

Status: final response (author comments only)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on gi-2022-12', Alessio Pignalberi, 09 Sep 2022
    • AC1: 'Reply on RC1', Joachim Vogt, 15 Mar 2023
  • RC2: 'Comment on gi-2022-12', Anonymous Referee #2, 21 Dec 2022
    • AC2: 'Reply on RC2', Joachim Vogt, 15 Mar 2023

Joachim Vogt et al.

Joachim Vogt et al.


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Short summary
Motivated by recent community interest in a satellite mission to the atmospheric LTI region between 100 km and 200 km altitude, the DIPCont project is concerned with vertical profiles of key LTI variables and their reconstruction from dual-spacecraft and single-spacecraft observations. Considering a novel non-isothermal scenario, the report presents a set of self-consistent parametric models, introduces the probabilistic DIPCont modeling framework, and discusses first results.