Record Search Query: Science Keywords>SUN-EARTH INTERACTIONS>SOLAR ACTIVITY>SOLAR RADIO WAVE EMISSIONS
Sudden Ionospheric Disturbances (SID)
Entry ID: gov.noaa.ngdc.stp.ionosphere.G00581

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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 ... View entire text

Purpose: Solar Disturbances Research
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Description: Index of Sudden Ionospheric Disturbances. ftp site to download data
Geographic Coverage
Spatial coordinates   
  N: 90.0   S: -90.0   E: 180.0   W: -180.0

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
Project
Access Constraints Access Constraints: No Constraints
Use Constraints Use Constraints: None
Ancillary Keywords
Data Set Progress
IN WORK
Data Center
National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce Supplemental Info
Data Center URL: https://ncei.noaa.gov/

Data Center Personnel
Name: ROBERT REDMON
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
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Distribution
Distribution Format: ASCII
Fees: None
Personnel
ROBERT REDMON
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
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Creation and Review Dates
DIF Creation Date: 2015-11-16
Last DIF Revision Date: 2018-05-22

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