Solar magnetic carpet I: simulation of synthetic magnetograms

This paper describes a new 2D model for the photospheric evolution of the magnetic carpet. It is the first in a series of papers working towards constructing a realistic 3D non-potential model for the interaction of small-scale solar magnetic fields. In the model, the basic evolution of the magnetic elements is governed by a supergranular flow profile. In addition, magnetic elements may evolve through the processes of emergence, cancellation, coalescence and fragmentation. Model parameters for the emergence of bipoles are based upon the results of observational studies. Using this model, several simulations are considered, where the range of flux with which bipoles may emerge is varied. In all cases the model quickly reaches a steady state where the rates of emergence and cancellation balance. Analysis of the resulting magnetic field shows that we reproduce observed quantities such as the flux distribution, mean field, cancellation rates, photospheric recycle time and a magnetic network. As expected, the simulation matches observations more closely when a larger, and consequently more realistic, range of emerging flux values is allowed (4×1016 - 1019 Mx). The model best reproduces the current observed properties of the magnetic carpet when we take the minimum absolute flux for emerging bipoles to be 4×1016 Mx. In future, this 2D model will be used as an evolving photospheric boundary condition for 3D non-potential modeling.

Spectroscopic constants and term values for the X2πi state of OH (v = 0-10)

info:eu-repo/semantics/published

The importance of being Alfred -- from the king of West Saxons to Nobel

The article appeared in a Festschrift devoted to a distinguished Polish linguist Professor Alfred F. Majewicz. It discusses the Christian name Alfred born by the Jubilarian in its various aspects: its Anglo-Saxon origins, etymology and popularity (past and present) in various European countries, with particular emphasis on Poland. It also presents some famous people, literary characters and pop culture heroes bearing this name.

Mémoire de Marie Caroline, reine de Naples, intitulé De la révolution de royaume de Sicile ... par un témoin oculaire ...

Includes bibliographical references (pages xxiii-xxv) and index.

Richard Coeur de Lion : opéra-comique en trois actes /

Mode of access: Internet.

Un projet de mariage royal /

"Publie pour la premiere fois dans la Revue des deux mondes," juillet-aout, 1862.

François Ier et le mouvement intellectuel en France (1515-1547) ...

Thèse--Faculté des lettres de Lausanne.

Correspondances du siècle dernier : un projet de mariage du duc d'Orléans (1836) Lettres de Léopold Ier de Belgique a Adolphe Thiers (1836-1864) Documents inédits publiés avec des avertissements et des notes /

Editor's autograph presentation copy to Arthur Chuquet.

Mémoires du comte Roger de Damas ...

[t. 1] Russie, Valmy et armee de conde Naples (1787-1806).--[t. 2] Vienne de 1806 à 1814, suivis de lettres inédites de Marie-Carolina, reine de Naples, au comte Roger de Damas (1801-1814).

The Bruce. And, Wallace /

Notes, preliminary remarks, and biographical sketch of John Barbour by John Jamieson.

The Bruce /

Mode of access: Internet.

A counter-blaste to tobacco /

The original was printed in 1604 in London by R. B.