Gogoberidze, Grigol, Chapman, Sandra C., Hnat, B. and Dunlop, M. W. (2012) Impact of measurement uncertainties on universal scaling of MHD turbulence. Monthly Notices of the Royal Astronomical Society, Vol. 426 (No. 2). pp. 951-955. doi:10.1111/j.1365-2966.2012.21775.x ISSN 003-58711.

Research output not available from this repository.

Request-a-Copy directly from author or use local Library Get it For Me service.

Request Changes to record.

Abstract

Quantifying the scaling of fluctuations in the solar wind is central to testing predictions of turbulence theories. We study spectral features of Alfvénic turbulence in fast solar wind. We propose a general, instrument-independent method to estimate the uncertainty in velocity fluctuations obtained by in situ satellite observations in the solar wind. We show that when the measurement uncertainties of the velocity fluctuations are taken into account the less energetic Elsasser spectrum obeys a unique power law scaling throughout the inertial range as prevailing theories of magnetohydrodynamic (MHD) turbulence predict. Moreover, in the solar wind interval analysed, the two Elsasser spectra are observed to have the same scaling exponent γ = −1.54 throughout the inertial range.

Item Type:	Journal Article
Divisions:	Faculty of Science, Engineering and Medicine > Science > Physics
Journal or Publication Title:	Monthly Notices of the Royal Astronomical Society
Publisher:	Wiley
ISSN:	003-58711
Official Date:	2012
Dates:	Date Event 2012 Published
Volume:	Vol. 426
Number:	No. 2
Page Range:	pp. 951-955
DOI:	10.1111/j.1365-2966.2012.21775.x
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access

Request changes or add full text files to a record

Repository staff actions (login required)

View Item