IPY 2007-2008 Expression of Intent #422 Interhemispheric Study on Conjugacy and N on-conjugacy of Auroral and Polar Ionosph eric Disturbances using Ground-based Obse rvation Network Interhemispheric Study on Auroral Phenomena Akira Kadokura 1 , Natsuo Sato 1 , Hisao Yamagishi 1 , Hiroshi Miyaoka 1 , Makoto Taguchi 1 , Akira S. Yukim atu 1 , Yusuke Ebihara 1 , and many other collaborators 1 National Institute of Polar Research, Japan
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IPY 2007-2008 Expression of Intent #422 Interhemispheric Study on Conjugacy and Non- conjugacy of Auroral and Polar Ionospheric Disturbances using Ground-based.
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IPY 2007-2008 Expression of Intent #422
Interhemispheric Study on Conjugacy and Non-conjugacy of Auroral and Polar Ionospheric Disturbances using Grou
① To maintain and intensify the pre-existing conjugate auroral latitude observations between Syowa Station in Antarctica and observatories in Iceland. We have carried out the conjugate ground-based observations continuously since 1984, using the 3-axis fluxgate magnetometer, 3-component induction magnetometer, riometer, and VLF receiver. We have also carried out auroral optical observation in the whole season at Syowa and mainly during the equinox period at Iceland. So far, many studies concerning the interhemispheric comparison of various auroral latitude phenomena have been done using the observed data. Such a long-term observation is very valuable to monitor the long-term variation of the geospace environment surrounding the earth and can contribute to the Space Weather study. During the IPY 2007-2008 period, we would like to renew the data acquisition system to transfer the data to Japan in near real time and the data archiving system to make the data accessible for the community more quickly and more easily. We would like to also introduce a well-calibrated automatic optical observation system in Iceland, which enables us the auroral observation in the whole season.
Concise outline of proposed activity
② To develop the network of the unmanned magnetometer system in the Antarctic. We have already introduced 6 sets of the unmanned magnetometer system. Four of them were supplied from British Antarctic Survey (BAS) and two were developed in National Institute of Polar Research (NIPR). The data from our system can be obtained via Iridium satellite system in near real time. We will further develop and sophisticate our own system, and would like to increase the number of the observation points during the IPY 2007-2008 period, collaborating with pre-existing and planning manned and unmanned magnetometers by other countries.
Concise outline of proposed activity
③ To maintain other ground-based facilities at Syowa Station, including the Super Dual Auroral Radar Network (SuperDARN) Syowa South and Syowa East HF-radars and the imaging riometer. Both are operated in the framework of the international collaboration for global network observation. We will make the data archiving system of these observations more easily accessible for the community.
Mapping of Northern/Southern hemispheres with geomagnetic coordinate