Sudden Ionospheric Disturbances (SID)
Entry ID:
gov.noaa.ngdc.stp.ionosphere.G00581
Summary
Abstract:
Sudden ionospheric disturbances (SID) are caused by solar flare enhanced X-rays in the 1 to 10 angstrom range. Solar flares can produce large increases of ionization in the D-region of the ionosphere over the daylit hemisphere of the Earth. SID's typically begin simultaneously or a few minutes after the start of a solar flare, and can have a time duration somewhat longer than the flare with a rise ...
![]() Purpose: Solar Disturbances Research
Related URL
Geographic Coverage
Spatial coordinates
Data Set Citation
Dataset Originator/Creator:
DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
Dataset Title:
Sudden Ionospheric Disturbances (SID)
Dataset Release Date:
1958-01-01
Version:
First
Temporal Coverage
Start Date:
1958-01-01
Location Keywords
Science Keywords
ISO Topic Category
Access Constraints
Access Constraints: No Constraints
Use Constraints
Use Constraints: None
Ancillary Keywords
Data Set Progress
IN WORK
Data Center
Distribution
Distribution Format:
ASCII
Fees:
None
Personnel
Role:
DIF AUTHOR
Role:
TECHNICAL CONTACT
Phone:
303-497-4331
Email:
ionosonde at noaa.gov
Contact Address:
325 Broadway
City:
Boulder
Province or State:
CO
Postal Code:
80305-3328
Country:
USA
Extended Metadata Properties
![]() Creation and Review Dates
DIF Creation Date:
2015-11-16
Last DIF Revision Date:
2018-05-22
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