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to an international project (THORPEX) for skillful extended weather forecasting. The 4DVAR technique has been developed for a global CGCM on ES to produce global analysis data for 10 years.

  • International campaigns have been organized, including ADEC (Aeolian Dust Experiment on Climate impact) and ABC (UNEP/Atmospheric Brown Cloud) to measure and analyze Asian dusts and pollutants in order to reveal their chemical and physical characteristics.

  • The National Institute of Polar Research (NIPR) has successfully recovered the deepest (3035m thick) ice core from the bottom of the Antarctic ice sheet. Its deepest part is estimated as ~720kyr old based on the oxygen isotope profile obtained.

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After several years of a feasibility study for the Program of the Antarctic Syowa MST/IS radar (PANSY) under Resolution 8 adopted at the XXIII IUGG General Assembly, NIPR will introduce a small pilot radar system at the Syowa station in the International Polar Year 2007-8.

MAHASRI, a new continental-scale experiment under GEWEX (Global Energy and Water Cycle Experiment under WCRP), has been implemented in order to develop a hydro-meteorological prediction system for Asian monsoon variability. Its intensive observation periods are planned in 2008-9 for the International Monsoon Year and the Year of Tropical Convection.

CONTRAIL, a project for high frequency, wide-coverage measurements of CO2 and other trace gases, has been started, using commercial aircrafts.

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