The Aurora Australis - the Southern lights - over the new South Pole Station.
This beautiful image was taken by Jonathan Berry, NSF.
We are currently in the process of revising this website and our data distribution system. We hope to complete the work in July 2009.
The decades since the advent of space flight have witnessed the increasing importance and relevance of the Earth's space environment: for understanding the functioning of planet Earth within the solar system; for understanding numerous aspects of laboratory physics and astrophysics; and for understanding the Sun's influence on technological systems deployed on Earth and in space. Antarctica plays a crucial role in understanding the mechanisms which couple solar processes into the terrestrial environment. Please explore our website to learn more.
PENGUIn multi-instrument observations of dayside high-latitude injections during the 23 March 2007 substorm
This paper presents ground-based observations from Antarctic stations during a substorm observed on 23 March 2007. Using fluxgate magnetometer data, supported by numerical modeling, the locations of the stations are shown to straddle the open-closed magnetic field boundary. Near these locations (on closed field lines), VLF and riometer signatures are observed to show effects of energetic particle precipitation in the morning sector (extending to the postdawn region), confirmed by observations at geosynchronous orbit. In the VLF data, both the initial injection as well as echoes are observed. The mechanism responsible for such high-latitude injections is thought to be a combination of dynamics of the injection process and drift-shell splitting. Further work will address whether similar observations can be used to infer the dynamics and/or location of the injection region. See
PENGUIn Observations of the THEMIS March 23, 2007 Substorm Event
for further details.