Svalbard Dynasonde Sunrise Index

EISCAT
Scientific Association

EISCAT > EISCAT Svalbard Observatory > DN > Sunrise Index

Sunrise Index: a Proxy for Thermospheric Composition ([O]/[N2])

Data Table

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Sunrise Index as a Time Series

Latest Sunrise Sequence:
Square of the Peak Plasma Frequency vs Cosine of the Solar Zenith Angle

Image illustrating calculation of
the last point in the above series.

Specific questions? Please contact:
Mike Rietveld - Observations
Bill Wright - Data Analysis
Nick Zabotin - Data Analysis