and solar-cycle changes in the middle and upper atmosphere
Objective: to determine how solar activity influences temperatures,
winds, electric currents and minor constituents and to allow possible
anthropogenic influences to be determined. Uses primarily measurements
by the ESRAD and EISCAT radars, plus ground-based and balloon-borne
measurements of atmospheric electric fields and currents.
Scientist in charge: Sheila
of nacreous clouds in the Kiruna area.
Objective: to determine whether nacreous clouds have changed in
appearance or prevalence over the past few decades, and what is the relationship
between nacreous clouds (seen by eye or photographed) and polar
stratospheric clouds seen by lidar. The project is a cooperation
with schools and local residents in Kiruna.
Scientist in charge at IRF: Sheila
Created by JA, 2003-06-04. Latest update: Webmaster*irf.se, 2009-07-15.