The equatorial latitude of auroral activity during 1972-1977
Advanced Search
Select up to three search categories and corresponding keywords using the fields to the right. Refer to the Help section for more detailed instructions.

Search our Collections & Repository

For very narrow results

When looking for a specific result

Best used for discovery & interchangable words

Recommended to be used in conjunction with other fields

Dates

to

Document Data
Library
People
Clear All
Clear All

For additional assistance using the Custom Query please check out our Help Page

i

The equatorial latitude of auroral activity during 1972-1977

Filetype[PDF-5.19 MB]


Select the Download button to view the document
This document is over 5mb in size and cannot be previewed
Details You May Also Like

Details:

  • Personal Author:
  • Corporate Authors:
    World Data Center A for Solar-Terrestrial Physics
  • NOAA Program & Office:
    NESDIS (National Environmental Satellite, Data, and Information Service)
  • Description:
    The equatorial latitude of auroral activity has been derived from both electron and optical observations with the DMSP satellites. Essentially all of these observations have been used to produce a nearly continuous plot of invariant geomagnetic latitude versus time during the 5-year interval June 1972 - September 1977. This plot has two main characteristics: (1) a diurnal variation of approximately ±5° which is somehow associated with the precession of the Earth's magnetic dipole axis about the Earth's rotation axis and (2) an irregular variation of roughly 5-10° for intervals of one to several days associated with the occurrences of solar flares and coronal holes. With the help of a condensed, Bartels-type display of these measurements, we conclude that (1) modest auroral expansions (to [lambda] ~ °) occur during the main body of high-speed streams from coronal holes and (2) great expansions (to [lambda] < 55°) occur at the leading edge of a high-speed stream or at a flat-produced interplanetary shock.
  • Content Notes:
    by N.R. Sheeley, Jr. and R.A. Howard and B.S. Dandekar.

    "E.O. Hulbert Center for Space Research, US Naval Research Laboratory."

    "Air Force Geophysics Laboratory."

    "October 1980."

    Also available online in PDF.

    Includes bibliographical references (page 8).

  • Keywords:
  • Series:
    Report UAG ; 78
  • Document Type:
    Technical Report
  • Rights Information:
    Public Domain
  • Compliance:
    Library
  • Main Document Checksum:
  • Download URL:
  • File Type:

Supporting Files

  • No Additional Files
More +

You May Also Like

Checkout today's featured content at repository.library.noaa.gov

Version 3.27.1